/* The Study District: study assistant.
   One structure, seven looks: the open book (all 8 classic themes, coloured by the theme's own variables)
   and one design per skin (blueprint, arcade, terminal, neon, gazette, deco). Drawn with CSS and inline SVG. */

/* ===================== base ===================== */
#sda {
  --sda-paper: var(--paper, #FBF7EF); --sda-ink: var(--ink, #2C2520); --sda-accent: var(--crimson, var(--accent, #7A1830));
  --sda-gold: var(--mid, var(--gold, #C9A86A)); --sda-line: var(--line, #D7C8B6); --sda-wash: var(--wash, #EFE4D2);
  --sda-muted: var(--muted, #6E6258); --sda-on: var(--on-accent, #FBF7EF);
  --sda-hi: var(--sda-accent); --sda-onhi: var(--sda-on); --sda-rule: var(--sda-line); --sda-hl: var(--sda-wash); --sda-err: #B3261E;
  --sda-gap: 18px; --sda-size: 64px; --sda-w: 400px; --sda-h: 600px;
  font-size: 16px; line-height: 1.45; font-size-adjust: none; text-shadow: none; letter-spacing: normal; text-transform: none; font-weight: 400;
  color: var(--sda-ink); -webkit-text-size-adjust: 100%;
}
#sda, #sda *, #sda *::before, #sda *::after { box-sizing: border-box; }
#sda button, #sda input, #sda textarea, #sda label, #sda legend { font: inherit; color: inherit; letter-spacing: inherit; text-transform: none; margin: 0; font-size-adjust: none; }
#sda button { cursor: pointer; background: none; border: 0; padding: 0; box-shadow: none; -webkit-tap-highlight-color: transparent; }
#sda h2, #sda h3, #sda p { margin: 0; font-family: inherit; font-size-adjust: none; text-transform: none; text-shadow: none; letter-spacing: normal; color: inherit; }
#sda [hidden] { display: none !important; }
#sda svg { display: block; }
#sda .sda-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
#sda :focus-visible { outline: 2px solid var(--sda-hi); outline-offset: 2px; }

/* launcher */
#sda .sda-launch {
  position: fixed; z-index: 43; right: calc(var(--sda-gap) + env(safe-area-inset-right, 0px)); bottom: calc(var(--sda-gap) + env(safe-area-inset-bottom, 0px));
  width: var(--sda-size); height: var(--sda-size); display: grid; place-items: center; border-radius: 50%;
  transition: transform .25s cubic-bezier(.3, 1.4, .5, 1), opacity .2s, visibility 0s;
}
#sda .sda-launch:hover { transform: translateY(-3px) rotate(-3deg); }
#sda .sda-launch:active { transform: scale(.94); }
#sda .sda-launch .sda-art { width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 5px 7px rgba(0, 0, 0, .3)); }
#sda .sda-launch-dot { position: absolute; top: 1px; right: 1px; width: 13px; height: 13px; border-radius: 50%; background: var(--sda-gold); box-shadow: 0 0 0 2px var(--sda-paper); display: none; }
#sda .sda-launch.sda-new .sda-launch-dot { display: block; animation: sda-pulse 2s ease-in-out infinite; }
#sda.sda-open .sda-launch { opacity: 0; visibility: hidden; transform: scale(.5); pointer-events: none; transition: transform .2s, opacity .2s, visibility 0s .2s; }
body:has(.tutor-fab) #sda .sda-launch { bottom: calc(var(--sda-gap) + env(safe-area-inset-bottom, 0px) + 56px); }

/* panel skeleton */
#sda .sda-panel {
  position: fixed; z-index: 49; right: calc(var(--sda-gap) + env(safe-area-inset-right, 0px)); bottom: calc(var(--sda-gap) + env(safe-area-inset-bottom, 0px));
  width: var(--sda-w); height: var(--sda-h); max-width: calc(100vw - 2 * var(--sda-gap)); max-height: calc(100vh - 2 * var(--sda-gap)); max-height: calc(100dvh - 2 * var(--sda-gap));
  display: flex; flex-direction: column; transform-origin: 100% 100%;
}
#sda .sda-shell { position: relative; flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; transform-origin: 100% 100%; }
#sda .sda-frame { position: relative; flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
#sda .sda-slot:empty { display: none; }
#sda .sda-framedeco { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
#sda .sda-head { position: relative; display: flex; align-items: center; gap: 10px; flex: none; z-index: 2; }
#sda .sda-emblem { flex: none; display: grid; place-items: center; }
#sda .sda-emblem svg { width: 100%; height: 100%; }
#sda .sda-id { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
#sda .sda-kicker { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
#sda .sda-name { font-size: 1.25rem; line-height: 1.15; font-weight: 600; overflow-wrap: anywhere; }
#sda .sda-sub { font-size: .8rem; display: flex; flex-wrap: wrap; gap: 1px 10px; opacity: .85; }
#sda .sda-status::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .55; margin-right: 6px; vertical-align: 1px; }
#sda .sda-where { min-width: 0; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#sda .sda-meta { display: none; }
#sda .sda-tools { display: flex; gap: 4px; flex: none; align-self: flex-start; }
#sda .sda-tool { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 8px; transition: background .15s; }
#sda .sda-tool:hover, #sda .sda-tool[aria-pressed="true"] { background: var(--sda-hl); }
#sda .sda-tool svg { width: 20px; height: 20px; }
#sda .sda-main { position: relative; flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; z-index: 1; }
#sda .sda-log { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; display: flex; flex-direction: column; gap: 12px; padding: 14px; scrollbar-width: thin; scrollbar-color: var(--sda-rule) transparent; outline: none; }
#sda .sda-log:focus-visible { box-shadow: inset 0 0 0 2px var(--sda-hi); }
#sda .sda-msg { position: relative; max-width: 90%; align-self: flex-start; flex: none; }
#sda .sda-user { align-self: flex-end; }
#sda .sda-who { display: block; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; opacity: .75; margin-bottom: 2px; }
#sda .sda-text { white-space: pre-wrap; overflow-wrap: anywhere; }
#sda .sda-empty { opacity: .75; font-style: italic; text-align: center; margin: auto 10px; font-size: .95rem; }
#sda .sda-fresh { animation: sda-in-msg .35s ease-out both; }
#sda .sda-form { flex: none; display: flex; gap: 8px; align-items: flex-end; padding: 10px 12px; position: relative; }
#sda .sda-input { flex: 1 1 auto; min-width: 0; resize: none; height: 42px; min-height: 42px; max-height: 132px; padding: 9px 11px; line-height: 1.4; background: transparent; border: 1px solid var(--sda-rule); border-radius: 8px; outline: none; }
#sda .sda-input:focus { border-color: var(--sda-hi); box-shadow: 0 0 0 1px var(--sda-hi); }
#sda .sda-input::placeholder { color: inherit; opacity: .55; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sda .sda-send { flex: none; height: 42px; min-width: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 12px; border-radius: 8px; background: var(--sda-hi); color: var(--sda-onhi); font-weight: 600; }
#sda .sda-send svg { width: 20px; height: 20px; flex: none; }
#sda .sda-send-t { font-size: .85rem; }
#sda.sda-busy .sda-send { opacity: .55; cursor: progress; }
#sda .sda-dots { display: inline-flex; gap: 4px; margin-right: 8px; vertical-align: middle; }
#sda .sda-dots i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: sda-bounce 1.1s ease-in-out infinite; }
#sda .sda-dots i:nth-child(2) { animation-delay: .15s; }
#sda .sda-dots i:nth-child(3) { animation-delay: .3s; }
#sda .sda-typing-t { font-size: .85em; opacity: .75; }

/* setup and settings */
#sda .sda-view { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; outline: none; scrollbar-width: thin; }
#sda .sda-steps { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; opacity: .85; display: flex; align-items: center; gap: 10px; }
#sda .sda-pips { display: inline-flex; gap: 5px; }
#sda .sda-pips i { width: 18px; height: 4px; border-radius: 2px; background: currentColor; opacity: .25; }
#sda .sda-pips i.on { opacity: 1; }
#sda .sda-h { font-size: 1.3rem; line-height: 1.2; font-weight: 600; }
#sda .sda-hint { font-size: .9rem; opacity: .8; margin-top: -4px; }
#sda .sda-label { display: block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; opacity: .85; margin-top: 8px; padding: 0; }
#sda .sda-field { width: 100%; padding: 9px 11px; border: 1px solid var(--sda-rule); border-radius: 8px; background: transparent; font-size: 1.1rem; outline: none; }
#sda .sda-field:focus { border-color: var(--sda-hi); box-shadow: 0 0 0 1px var(--sda-hi); }
#sda .sda-field[aria-invalid="true"] { border-color: var(--sda-err); }
#sda .sda-err { font-size: .85rem; color: var(--sda-err); }
#sda .sda-err:empty, #sda .sda-note:empty { display: none; }
#sda .sda-note { font-size: .88rem; font-style: italic; }
#sda .sda-chips { display: flex; flex-wrap: wrap; gap: 6px; }
#sda .sda-chip { padding: 5px 13px; border: 1px solid var(--sda-rule); border-radius: 999px; font-size: .92rem; transition: background .15s, border-color .15s; }
#sda .sda-chip:hover { background: var(--sda-hl); border-color: var(--sda-hi); }
#sda .sda-cards { display: grid; gap: 8px; }
#sda .sda-card { position: relative; display: grid; gap: 3px; padding: 11px 12px 11px 42px; border: 1px solid var(--sda-rule); border-radius: 10px; cursor: pointer; transition: border-color .15s, background .15s; }
#sda .sda-card:hover:not(.sda-locked), #sda .sda-opt:hover { border-color: var(--sda-hi); }
#sda .sda-card input, #sda .sda-opt input { position: absolute; left: 14px; top: 14px; width: 17px; height: 17px; margin: 0; accent-color: var(--sda-hi); }
#sda .sda-card.sda-on, #sda .sda-opt.sda-on { border-color: var(--sda-hi); box-shadow: inset 0 0 0 1px var(--sda-hi); background: var(--sda-hl); }
#sda .sda-card-b { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
#sda .sda-card-b b, #sda .sda-opt b { font-weight: 600; }
#sda .sda-badge { font-style: normal; font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; padding: 1px 7px; border-radius: 999px; border: 1px solid currentColor; opacity: .85; }
#sda .sda-card-d { font-size: .87rem; opacity: .8; }
#sda .sda-locked { cursor: not-allowed; border-style: dashed; }
#sda .sda-locked .sda-card-b, #sda .sda-locked .sda-card-d { opacity: .6; }
#sda .sda-lock { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; font-weight: 600; margin-top: 3px; color: var(--sda-hi); }
#sda .sda-lock svg { width: 15px; height: 15px; flex: none; }
#sda .sda-fs { border: 0; padding: 0; margin: 0; min-width: 0; }
#sda .sda-opts { display: grid; gap: 6px; }
#sda .sda-fs:last-of-type .sda-opts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
#sda .sda-opt { position: relative; display: block; padding: 8px 10px 8px 38px; border: 1px solid var(--sda-rule); border-radius: 8px; cursor: pointer; font-size: .95rem; line-height: 1.25; }
#sda .sda-opt input { top: 50%; transform: translateY(-50%); left: 12px; }
#sda .sda-opt small { display: block; font-size: .8rem; opacity: .75; }
#sda .sda-fs:last-of-type .sda-opt { padding: 8px 6px 8px 32px; }
#sda .sda-fs:last-of-type .sda-opt input { left: 9px; }
#sda .sda-nav { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: auto; padding-top: 14px; flex-wrap: wrap; }
#sda .sda-navr { display: flex; gap: 8px; margin-left: auto; }
#sda .sda-btn { padding: 8px 16px; min-height: 40px; border-radius: 8px; background: var(--sda-hi); color: var(--sda-onhi); border: 1px solid var(--sda-hi); font-weight: 600; }
#sda .sda-btn.sda-ghost { background: transparent; color: inherit; border-color: var(--sda-rule); font-weight: 400; }
#sda .sda-btn.sda-ghost:hover { background: var(--sda-hl); }
#sda .sda-btn.sda-armed { background: var(--sda-err); border-color: var(--sda-err); color: #fff; }

/* opening and closing (each look can override) */
#sda .sda-panel.sda-in .sda-shell { animation: sda-grow .34s cubic-bezier(.2, .9, .3, 1.15) both; }
#sda .sda-panel.sda-out { animation: sda-shrink .2s ease-in both; }

/* ===================== 1. the open book: every classic theme ===================== */
#sda[data-look="book"] {
  --sda-w: 740px; --sda-h: 540px; --sda-rl: 28px; --sda-split: 37%;
  --sda-hand: "Caveat", "Segoe Print", "Bradley Hand", "Comic Sans MS", cursive;
  --sda-cover: var(--sda-accent); --sda-cover-dk: color-mix(in srgb, #000 28%, var(--sda-accent)); --sda-cover-lt: color-mix(in srgb, #fff 14%, var(--sda-accent));
  --sda-rule: color-mix(in srgb, var(--sda-line) 85%, var(--sda-ink)); --sda-hl: var(--sda-wash);
  --sda-pen: var(--sda-accent);
}
#sda[data-look="book"] .sda-panel { font-family: var(--serif, Georgia, "Times New Roman", serif); color: var(--sda-ink); padding-bottom: 20px; filter: drop-shadow(0 16px 26px rgba(0, 0, 0, .3)); }
#sda[data-look="book"] .sda-shell {
  padding: 10px 12px 14px; border-radius: 9px 12px 12px 9px;
  background: radial-gradient(ellipse at 28% 18%, color-mix(in srgb, #fff 10%, transparent), transparent 60%),
    linear-gradient(90deg, var(--sda-cover-dk) 0, var(--sda-cover) 2.5%, var(--sda-cover) 49%, var(--sda-cover-dk) 50%, var(--sda-cover) 51%, var(--sda-cover) 97.5%, var(--sda-cover-dk) 100%);
  box-shadow: inset 0 0 0 1px var(--sda-cover-dk), inset 0 1px 0 var(--sda-cover-lt);
}
#sda[data-look="book"] .sda-shell::before { content: ""; position: absolute; inset: 4px; border: 1px solid color-mix(in srgb, var(--sda-gold) 65%, transparent); border-radius: 7px 9px 9px 7px; pointer-events: none; }
/* the ribbon's tail hangs out below the book */
#sda[data-look="book"] .sda-shell::after { content: ""; position: absolute; bottom: -20px; left: calc(var(--sda-split) + 40px); width: 15px; height: 28px; background: linear-gradient(90deg, color-mix(in srgb, #000 20%, var(--sda-gold)), var(--sda-gold) 45%, color-mix(in srgb, #fff 18%, var(--sda-gold))); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 74%, 0 100%); z-index: -1; }
#sda[data-look="book"] .sda-frame {
  display: grid; grid-template-columns: var(--sda-split) calc(100% - var(--sda-split)); grid-template-rows: auto minmax(0, 1fr);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sda-paper) 0, var(--sda-paper) calc(var(--sda-split) - 34px), color-mix(in srgb, var(--sda-ink) 13%, var(--sda-paper)) var(--sda-split), var(--sda-paper) calc(var(--sda-split) + 30px), var(--sda-paper) calc(100% - 10px), color-mix(in srgb, var(--sda-ink) 7%, var(--sda-paper)) 100%);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--sda-ink) 22%, transparent),
    2px 2px 0 -1px var(--sda-paper), 2px 2px 0 0 var(--sda-rule), -2px 2px 0 -1px var(--sda-paper), -2px 2px 0 0 var(--sda-rule),
    4px 4px 0 -1px var(--sda-paper), 4px 4px 0 0 var(--sda-rule), -4px 4px 0 -1px var(--sda-paper), -4px 4px 0 0 var(--sda-rule),
    6px 6px 0 -1px var(--sda-paper), 6px 6px 0 0 var(--sda-rule), -6px 6px 0 -1px var(--sda-paper), -6px 6px 0 0 var(--sda-rule);
}
#sda[data-look="book"] .sda-framedeco { perspective: 1800px; z-index: 6; }
#sda[data-look="book"] .sda-gutter { position: absolute; top: 0; bottom: 0; left: var(--sda-split); width: 1px; background: color-mix(in srgb, var(--sda-ink) 20%, transparent); }
#sda[data-look="book"] .sda-ribbon { position: absolute; top: -12px; left: calc(var(--sda-split) + 40px); width: 15px; height: 46px; background: linear-gradient(90deg, color-mix(in srgb, #000 20%, var(--sda-gold)), var(--sda-gold) 45%, color-mix(in srgb, #fff 18%, var(--sda-gold))); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%); filter: drop-shadow(1px 1px 0 rgba(0, 0, 0, .15)); }
#sda[data-look="book"] .sda-pno { position: absolute; bottom: 8px; font: italic .8rem var(--serif, Georgia, serif); color: var(--sda-muted); }
#sda[data-look="book"] .sda-pno-l { left: calc(var(--sda-split) / 2); transform: translateX(-50%); }
#sda[data-look="book"] .sda-pno-r { display: none; }
#sda[data-look="book"] .sda-flip { display: none; position: absolute; top: -10px; bottom: -14px; left: var(--sda-split); right: -12px; transform-origin: 0 50%; transform-style: preserve-3d; }
#sda[data-look="book"] .sda-flip-front { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 0 12px 12px 0;
  background: radial-gradient(ellipse at 40% 25%, color-mix(in srgb, #fff 12%, transparent), transparent 60%), linear-gradient(90deg, var(--sda-cover-dk), var(--sda-cover) 6%, var(--sda-cover) 96%, var(--sda-cover-dk));
  box-shadow: inset 0 0 0 5px var(--sda-cover), inset 0 0 0 6px color-mix(in srgb, var(--sda-gold) 70%, transparent); }
#sda[data-look="book"] .sda-flip-front span { position: absolute; left: 50%; top: 26%; width: 46%; height: 18%; transform: translateX(-50%); border: 2px solid var(--sda-gold); border-radius: 3px; box-shadow: inset 0 0 0 3px var(--sda-cover), inset 0 0 0 4px var(--sda-gold); }
#sda[data-look="book"] .sda-panel.sda-in .sda-flip { display: block; animation: sda-flip .8s .12s cubic-bezier(.45, .05, .3, 1) both; }
#sda[data-look="book"] .sda-panel.sda-in .sda-shell { animation: sda-grow .36s cubic-bezier(.2, .9, .3, 1.1) both; }
/* left page: the bookplate */
#sda[data-look="book"] .sda-head { grid-column: 1; grid-row: 1 / 3; position: static; flex-direction: column; align-items: stretch; justify-content: center; gap: 12px; padding: 50px 36px 34px 26px; text-align: center; }
#sda[data-look="book"] .sda-id { order: 1; flex: none; align-items: center; gap: 6px; padding: 18px 12px 16px; border: 3px double var(--sda-gold); border-radius: 3px; background: color-mix(in srgb, var(--sda-wash) 45%, transparent); }
#sda[data-look="book"] .sda-kicker { font-variant: small-caps; text-transform: none; letter-spacing: .2em; font-size: .95rem; color: var(--sda-accent); opacity: 1; }
#sda[data-look="book"] .sda-name { font-family: var(--serif, Georgia, serif); font-style: italic; font-weight: 600; font-size: 2.1rem; line-height: 1.05; color: var(--sda-accent); }
#sda[data-look="book"] .sda-sub { flex-direction: column; align-items: center; gap: 2px; font-size: .86rem; opacity: 1; color: var(--sda-muted); }
#sda[data-look="book"] .sda-status { font-variant: small-caps; letter-spacing: .08em; }
#sda[data-look="book"] .sda-where { white-space: normal; font-style: italic; }
#sda[data-look="book"] .sda-emblem { order: 2; height: 14px; color: var(--sda-gold); width: 60%; margin: 2px auto 0; }
#sda[data-look="book"] .sda-meta { order: 3; display: block; font-family: var(--sda-hand); font-size: 1.3rem; line-height: 1.25; color: var(--sda-muted); transform: rotate(-2deg); margin-top: 6px; }
#sda[data-look="book"] .sda-tools { position: absolute; top: 8px; right: 10px; z-index: 7; }
#sda[data-look="book"] .sda-tool { color: var(--sda-muted); }
#sda[data-look="book"] .sda-tool:hover { color: var(--sda-accent); }
/* right page: ruled notes */
#sda[data-look="book"] .sda-main { grid-column: 2; grid-row: 1 / 3; padding-top: 46px; }
#sda[data-look="book"] .sda-log {
  gap: 0; padding: 0 24px 0 56px;
  background-image: linear-gradient(90deg, transparent 42px, color-mix(in srgb, var(--sda-accent) 40%, transparent) 42px 43px, transparent 43px),
    repeating-linear-gradient(180deg, transparent 0 calc(var(--sda-rl) - 1px), var(--sda-rule) calc(var(--sda-rl) - 1px) var(--sda-rl));
  background-attachment: local;
}
#sda[data-look="book"] .sda-msg { max-width: 100%; align-self: stretch; font-family: var(--sda-hand); font-size: 1.42rem; line-height: var(--sda-rl); font-weight: 500; padding-bottom: var(--sda-rl); }
#sda[data-look="book"] .sda-msg:last-child { padding-bottom: 6px; }
#sda[data-look="book"] .sda-user { color: var(--sda-ink); padding-left: 14px; }
#sda[data-look="book"] .sda-bot { color: var(--sda-pen); }
#sda[data-look="book"] .sda-who { position: absolute; left: -48px; top: 2px; width: 26px; height: 24px; margin: 0; font-size: 0; opacity: 1; }
#sda[data-look="book"] .sda-who::before { content: attr(data-i); display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font: 600 .82rem/1 var(--serif, Georgia, serif); letter-spacing: 0; }
#sda[data-look="book"] .sda-bot .sda-who::before { background: var(--sda-accent); color: var(--sda-on); }
#sda[data-look="book"] .sda-user .sda-who::before { border: 1.5px solid var(--sda-muted); color: var(--sda-muted); }
#sda[data-look="book"] .sda-empty { font-family: var(--sda-hand); font-size: 1.35rem; line-height: var(--sda-rl); text-align: left; margin: 0; color: var(--sda-muted); opacity: 1; font-style: normal; }
#sda[data-look="book"] .sda-typing .sda-typing-t { font-size: 1.1rem; }
#sda[data-look="book"] .sda-form { padding: 8px 16px 14px 56px; align-items: center; }
#sda[data-look="book"] .sda-input { font-family: var(--sda-hand); font-size: 1.4rem; line-height: 26px; padding: 6px 4px 6px; border: 0; border-bottom: 1.5px dashed var(--sda-rule); border-radius: 0; height: 40px; min-height: 40px; color: var(--sda-ink); }
#sda[data-look="book"] .sda-input:focus { box-shadow: none; border-bottom: 1.5px solid var(--sda-accent); }
#sda[data-look="book"] .sda-send { width: 44px; height: 44px; padding: 0; border-radius: 50%; box-shadow: 0 2px 0 var(--sda-cover-dk); }
#sda[data-look="book"] .sda-send svg { width: 22px; height: 22px; }
#sda[data-look="book"] .sda-send-t { display: none; }
#sda[data-look="book"] .sda-send:hover { transform: rotate(-12deg); transition: transform .2s; }
#sda[data-look="book"] .sda-view { padding: 0 24px 16px 26px; }
#sda[data-look="book"] .sda-h { font-family: var(--serif, Georgia, serif); font-style: italic; color: var(--sda-accent); font-size: 1.45rem; }
#sda[data-look="book"] .sda-steps { color: var(--sda-muted); font-variant: small-caps; text-transform: none; letter-spacing: .1em; font-size: .9rem; }
#sda[data-look="book"] .sda-field { font-family: var(--sda-hand); font-size: 1.6rem; border: 0; border-bottom: 1.5px solid var(--sda-rule); border-radius: 0; padding: 4px 2px; }
#sda[data-look="book"] .sda-field:focus { box-shadow: none; border-bottom-color: var(--sda-accent); }
#sda[data-look="book"] .sda-chip { font-family: var(--sda-hand); font-size: 1.2rem; padding: 1px 12px; background: var(--sda-paper); }
#sda[data-look="book"] .sda-card, #sda[data-look="book"] .sda-opt { background: var(--sda-paper); }
#sda[data-look="book"] .sda-card.sda-on, #sda[data-look="book"] .sda-opt.sda-on { background: color-mix(in srgb, var(--sda-accent) 7%, var(--sda-paper)); }
/* closed book launcher */
#sda[data-look="book"] .sda-bk-pages { fill: var(--sda-paper); stroke: color-mix(in srgb, var(--sda-ink) 45%, transparent); stroke-width: 1; }
#sda[data-look="book"] .sda-bk-edge { fill: none; stroke: color-mix(in srgb, var(--sda-ink) 30%, transparent); stroke-width: .8; }
#sda[data-look="book"] .sda-bk-front { fill: var(--sda-accent); stroke: color-mix(in srgb, #000 30%, var(--sda-accent)); stroke-width: 1; }
#sda[data-look="book"] .sda-bk-spine { fill: color-mix(in srgb, #000 25%, var(--sda-accent)); }
#sda[data-look="book"] .sda-bk-band { stroke: var(--sda-gold); stroke-width: 1.6; }
#sda[data-look="book"] .sda-bk-plate { fill: none; stroke: var(--sda-gold); stroke-width: 1.4; }
#sda[data-look="book"] .sda-bk-lines { stroke: var(--sda-gold); stroke-width: 1.3; stroke-linecap: round; }
#sda[data-look="book"] .sda-bk-orn { fill: var(--sda-gold); }
#sda[data-look="book"] .sda-bk-ribbon { fill: var(--sda-gold); }
#sda[data-look="book"] .sda-bk-cover { transform-origin: 14px 32px; transition: transform .35s ease; }
#sda[data-look="book"] .sda-launch:hover .sda-bk-cover { transform: perspective(200px) rotateY(-28deg); }
#sda[data-look="book"] .sda-launch:hover { transform: translateY(-3px); }

/* ===================== 2. blueprint: a drafted map ===================== */
#sda[data-look="blueprint"] {
  --bp: #123D73; --bp2: #164784; --bpw: #EEF5FF; --bpm: #B8CDE8; --bpa: #9FD3FF;
  --sda-hi: #FFFFFF; --sda-onhi: #123D73; --sda-rule: rgba(238, 245, 255, .5); --sda-hl: rgba(255, 255, 255, .09); --sda-err: #FFB4A8;
  --sda-w: 430px; --sda-h: 640px; --bpmono: "Space Mono", "Courier New", monospace;
}
#sda[data-look="blueprint"] .sda-panel { color: var(--bpw); font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif; filter: drop-shadow(0 16px 28px rgba(0, 0, 0, .45)); }
#sda[data-look="blueprint"] .sda-shell { background: var(--bp) repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 5px); padding: 18px 12px 24px; border: 1px solid rgba(238, 245, 255, .35); }
#sda[data-look="blueprint"] .sda-zones { position: absolute; top: 2px; left: 12px; right: 12px; display: flex; font: 700 9px/14px var(--bpmono); color: var(--bpm); }
#sda[data-look="blueprint"] .sda-zones span { flex: 1; text-align: center; border-left: 1px solid rgba(238, 245, 255, .35); }
#sda[data-look="blueprint"] .sda-zones span:first-child { border-left: 0; }
#sda[data-look="blueprint"] .sda-sheet { position: absolute; left: 12px; right: 12px; bottom: 4px; display: flex; justify-content: space-between; gap: 10px; font: 9px/14px var(--bpmono); letter-spacing: .08em; text-transform: uppercase; color: var(--bpm); white-space: nowrap; overflow: hidden; }
#sda[data-look="blueprint"] .sda-frame {
  border: 2px solid var(--bpw); outline: 1px solid rgba(238, 245, 255, .55); outline-offset: 3px;
  background-color: var(--bp2);
  background-image: linear-gradient(rgba(255, 255, 255, .13) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .13) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 50px 50px, 50px 50px, 10px 10px, 10px 10px; background-position: -1px -1px;
}
/* title block */
#sda[data-look="blueprint"] .sda-head { align-items: stretch; gap: 0; border-bottom: 2px solid var(--bpw); background: rgba(18, 61, 115, .9); }
#sda[data-look="blueprint"] .sda-emblem { width: 66px; padding: 8px; border-right: 1px solid var(--bpw); color: var(--bpw); }
#sda[data-look="blueprint"] .sda-emblem svg text { font-family: var(--bpmono); font-weight: 700; }
#sda[data-look="blueprint"] .sda-id { padding: 7px 10px 6px; gap: 2px; }
#sda[data-look="blueprint"] .sda-kicker { font: 700 9px/1.2 var(--bpmono); letter-spacing: .14em; color: var(--bpa); opacity: 1; }
#sda[data-look="blueprint"] .sda-name { font: 700 1.2rem/1.15 var(--bpmono); letter-spacing: .1em; text-transform: uppercase; }
#sda[data-look="blueprint"] .sda-sub { font: 9.5px/1.4 var(--bpmono); letter-spacing: .06em; text-transform: uppercase; opacity: 1; color: var(--bpm); flex-direction: column; border-top: 1px solid rgba(238, 245, 255, .45); padding-top: 3px; margin-top: 2px; }
#sda[data-look="blueprint"] .sda-status::before { border-radius: 0; background: none; border: 1px solid currentColor; width: 7px; height: 7px; }
#sda[data-look="blueprint"] .sda-tools { flex-direction: column; gap: 0; border-left: 1px solid var(--bpw); align-self: stretch; }
#sda[data-look="blueprint"] .sda-tool { border-radius: 0; width: 42px; flex: 1; }
#sda[data-look="blueprint"] .sda-tool + .sda-tool { border-top: 1px solid var(--bpw); }
/* dimension lines */
#sda[data-look="blueprint"] .sda-dimh { position: relative; display: flex; align-items: center; gap: 8px; padding: 10px 30px 0 18px; font: 700 9.5px/1 var(--bpmono); letter-spacing: .16em; text-transform: uppercase; color: var(--bpa); }
#sda[data-look="blueprint"] .sda-dimh i { flex: 1; height: 1px; background: var(--bpa); position: relative; }
#sda[data-look="blueprint"] .sda-dimh i:first-child::before { content: ""; position: absolute; left: 0; top: -3.5px; border: 4px solid transparent; border-left: 0; border-right: 9px solid var(--bpa); }
#sda[data-look="blueprint"] .sda-dimh i:last-child::after { content: ""; position: absolute; right: 0; top: -3.5px; border: 4px solid transparent; border-right: 0; border-left: 9px solid var(--bpa); }
#sda[data-look="blueprint"] .sda-dimh::before, #sda[data-look="blueprint"] .sda-dimh::after { content: ""; position: absolute; top: 4px; width: 1px; height: 14px; background: var(--bpa); }
#sda[data-look="blueprint"] .sda-dimh::before { left: 18px; }
#sda[data-look="blueprint"] .sda-dimh::after { right: 30px; }
#sda[data-look="blueprint"] .sda-dimv { position: absolute; right: 7px; top: 36%; bottom: 96px; width: 12px; display: flex; flex-direction: column; align-items: center; gap: 6px; font: 700 9px/1 var(--bpmono); color: var(--bpa); }
#sda[data-look="blueprint"] .sda-dimv i { flex: 1; width: 1px; background: var(--bpa); position: relative; }
#sda[data-look="blueprint"] .sda-dimv i:first-child::before { content: ""; position: absolute; top: 0; left: -3.5px; border: 4px solid transparent; border-top: 0; border-bottom: 9px solid var(--bpa); }
#sda[data-look="blueprint"] .sda-dimv i:last-child::after { content: ""; position: absolute; bottom: 0; left: -3.5px; border: 4px solid transparent; border-bottom: 0; border-top: 9px solid var(--bpa); }
/* callouts */
#sda[data-look="blueprint"] .sda-log { padding: 18px 32px 14px 20px; gap: 22px; }
#sda[data-look="blueprint"] .sda-msg { padding: 15px 12px 9px; border: 1.5px solid var(--bpw); background: rgba(18, 61, 115, .88); font-size: .92rem; line-height: 1.5; max-width: 92%; }
#sda[data-look="blueprint"] .sda-bot::before { content: ""; position: absolute; left: -12px; top: 18px; width: 11px; height: 1px; background: var(--bpw); }
#sda[data-look="blueprint"] .sda-bot::after { content: ""; position: absolute; left: -15px; top: 15.5px; width: 6px; height: 6px; border-radius: 50%; background: var(--bpw); }
#sda[data-look="blueprint"] .sda-user { border-style: dashed; background: rgba(22, 71, 132, .9); }
#sda[data-look="blueprint"] .sda-who { position: absolute; top: -9px; left: 8px; margin: 0; padding: 3px 6px; background: var(--bpw); color: var(--bp); font: 700 9px/1 var(--bpmono); letter-spacing: .12em; opacity: 1; }
#sda[data-look="blueprint"] .sda-user .sda-who { left: auto; right: 8px; background: var(--bp); color: var(--bpw); outline: 1px dashed var(--bpw); }
#sda[data-look="blueprint"] .sda-empty { font: 10.5px/1.6 var(--bpmono); font-style: normal; letter-spacing: .08em; text-transform: uppercase; color: var(--bpm); border: 1px dashed rgba(238, 245, 255, .45); padding: 12px; background: rgba(18, 61, 115, .85); }
#sda[data-look="blueprint"] .sda-form { border-top: 2px solid var(--bpw); background: rgba(18, 61, 115, .94); }
#sda[data-look="blueprint"] .sda-input { border: 1px dashed rgba(238, 245, 255, .7); border-radius: 0; font-family: var(--bpmono); font-size: .88rem; }
#sda[data-look="blueprint"] .sda-input:focus { border-style: solid; }
#sda[data-look="blueprint"] .sda-send { border-radius: 0; font-family: var(--bpmono); text-transform: uppercase; letter-spacing: .1em; }
#sda[data-look="blueprint"] .sda-view { background: rgba(18, 61, 115, .55); }
#sda[data-look="blueprint"] .sda-h { font-family: var(--bpmono); text-transform: uppercase; letter-spacing: .08em; font-size: 1.05rem; }
#sda[data-look="blueprint"] .sda-steps, #sda[data-look="blueprint"] .sda-label { font-family: var(--bpmono); }
#sda[data-look="blueprint"] .sda-card, #sda[data-look="blueprint"] .sda-opt { background: rgba(18, 61, 115, .9); border-radius: 0; }
#sda[data-look="blueprint"] .sda-field { border-radius: 0; font-family: var(--bpmono); border-style: dashed; }
#sda[data-look="blueprint"] .sda-btn { border-radius: 0; font-family: var(--bpmono); text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; }
#sda[data-look="blueprint"] .sda-chip { border-radius: 0; font-family: var(--bpmono); font-size: .82rem; background: rgba(18, 61, 115, .9); }
#sda[data-look="blueprint"] .sda-panel.sda-in .sda-shell { animation: sda-unroll .6s cubic-bezier(.3, .7, .3, 1) both; }
/* rolled-up blueprint launcher */
#sda[data-look="blueprint"] .sda-bp-sheet { fill: none; }
#sda[data-look="blueprint"] .sda-bp-roll { fill: #1A4F90; stroke: #EEF5FF; stroke-width: 1.4; }
#sda[data-look="blueprint"] .sda-bp-grid { stroke: rgba(238, 245, 255, .45); stroke-width: .7; }
#sda[data-look="blueprint"] .sda-bp-end { fill: #123D73; stroke: #EEF5FF; stroke-width: 1.4; }
#sda[data-look="blueprint"] .sda-bp-spiral { fill: none; stroke: #EEF5FF; stroke-width: 1; }
#sda[data-look="blueprint"] .sda-bp-band { stroke: #9FD3FF; stroke-width: 1.6; }
#sda[data-look="blueprint"] .sda-bp-flap { fill: #164784; stroke: #EEF5FF; stroke-width: 1.3; stroke-linejoin: round; }
#sda[data-look="blueprint"] .sda-bp-mark { stroke: #EEF5FF; stroke-width: 1.1; }
#sda[data-look="blueprint"] .sda-launch .sda-art { filter: drop-shadow(0 5px 8px rgba(0, 0, 0, .45)); }

/* ===================== 3. arcade: a handheld console ===================== */
#sda[data-look="arcade"] {
  --sda-hi: #FFD84A; --sda-onhi: #0E0B1F; --sda-rule: #4B3F8F; --sda-hl: rgba(255, 216, 74, .14); --sda-err: #FF8FB0;
  --sda-w: 370px; --sda-h: 660px; --px: "Press Start 2P", "Courier New", monospace; --vt: "VT323", "Courier New", monospace;
}
#sda[data-look="arcade"] .sda-panel { color: #FFFFFF; font-family: var(--vt); font-size: 20px; line-height: 1.15; filter: drop-shadow(6px 8px 0 rgba(0, 0, 0, .45)); }
#sda#sda[data-look="arcade"] .sda-shell { border-radius: 14px 14px 56px 14px !important; }
#sda[data-look="arcade"] .sda-shell { background: linear-gradient(160deg, #7058E8 0%, #5038C0 55%, #3E2A9C 100%); padding: 10px 16px 12px; box-shadow: inset 0 -6px 0 rgba(0, 0, 0, .25), inset 0 3px 0 rgba(255, 255, 255, .28), 0 0 0 3px #0E0B1F; }
#sda[data-look="arcade"] .sda-ac-top { display: flex; align-items: center; gap: 8px; font: 7px/1 var(--px); letter-spacing: .12em; color: rgba(255, 255, 255, .75); padding: 2px 4px 9px; text-transform: uppercase; }
#sda[data-look="arcade"] .sda-ac-top::after { content: ""; margin-left: auto; width: 46px; height: 7px; background: repeating-linear-gradient(90deg, rgba(0, 0, 0, .3) 0 3px, transparent 3px 6px); }
#sda#sda[data-look="arcade"] .sda-ac-led { width: 8px; height: 8px; border-radius: 50% !important; background: #FF4F87; box-shadow: 0 0 6px #FF4F87, 0 0 0 2px rgba(0, 0, 0, .3); animation: sda-led 2.4s steps(1) infinite; }
#sda#sda[data-look="arcade"] .sda-frame { border-radius: 10px 10px 34px 10px !important; }
#sda[data-look="arcade"] .sda-frame { background: #2A2350; padding: 8px 12px 16px; box-shadow: inset 0 0 0 3px #0E0B1F, inset 0 4px 0 rgba(0, 0, 0, .3); }
#sda[data-look="arcade"] .sda-head { padding: 2px 2px 8px; gap: 8px; }
#sda[data-look="arcade"] .sda-emblem { width: 18px; height: 16px; color: #FF4F87; animation: sda-heart 1.2s steps(2) infinite; }
#sda[data-look="arcade"] .sda-kicker { display: none; }
#sda[data-look="arcade"] .sda-name { font: 11px/1.3 var(--px); color: #FFD84A; text-shadow: 2px 2px 0 #0E0B1F; text-transform: uppercase; }
#sda[data-look="arcade"] .sda-sub { font: 16px/1 var(--vt); color: #B7B0E0; opacity: 1; margin-top: 3px; }
#sda[data-look="arcade"] .sda-status::before { border-radius: 0; background: #FF4F87; opacity: 1; }
#sda[data-look="arcade"] .sda-tool { border-radius: 0; width: 30px; height: 30px; background: #0E0B1F; color: #FFD84A; box-shadow: 2px 2px 0 #000; }
#sda[data-look="arcade"] .sda-tool svg { width: 16px; height: 16px; }
#sda[data-look="arcade"] .sda-tool:hover { background: #FFD84A; color: #0E0B1F; }
#sda[data-look="arcade"] .sda-main { background: #0E0B1F radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1.2px) 0 0 / 4px 4px; box-shadow: inset 0 0 0 3px #000, inset 0 0 30px rgba(95, 80, 255, .25); transform-origin: 50% 50%; }
#sda[data-look="arcade"] .sda-log { padding: 18px 12px 12px; gap: 20px; scrollbar-color: #FFD84A #0E0B1F; }
#sda[data-look="arcade"] .sda-msg { padding: 12px 10px 8px; background: #0E0B1F; border: 3px solid #FFFFFF; box-shadow: 0 0 0 3px #0E0B1F, 4px 4px 0 3px #000; font-size: 20px; line-height: 1.12; max-width: 94%; }
#sda[data-look="arcade"] .sda-user { border-color: #7EF3A8; color: #DFFFEA; }
#sda[data-look="arcade"] .sda-who { position: absolute; top: -12px; left: 8px; margin: 0; padding: 4px 6px 3px; font: 8px/1 var(--px); letter-spacing: .05em; background: #FFD84A; color: #0E0B1F; opacity: 1; }
#sda[data-look="arcade"] .sda-user .sda-who { left: auto; right: 8px; background: #7EF3A8; }
#sda[data-look="arcade"] .sda-bot:not(.sda-typing):last-child::after { content: ""; position: absolute; right: 8px; bottom: 6px; border: 5px solid transparent; border-top: 6px solid #FFD84A; border-bottom: 0; animation: sda-blink 1s steps(1) infinite; }
#sda#sda[data-look="arcade"] .sda-dots i { border-radius: 0 !important; background: #FFD84A; animation: sda-blink 1s steps(1) infinite; }
#sda[data-look="arcade"] .sda-dots i:nth-child(2) { animation-delay: .33s; }
#sda[data-look="arcade"] .sda-dots i:nth-child(3) { animation-delay: .66s; }
#sda[data-look="arcade"] .sda-empty { font: 18px/1.2 var(--vt); color: #B7B0E0; font-style: normal; border: 3px dashed #3A3170; padding: 12px; }
#sda[data-look="arcade"] .sda-form { padding: 8px; border-top: 3px solid #241D48; }
#sda[data-look="arcade"] .sda-input { border: 3px solid #FFFFFF; border-radius: 0; background: #000; font: 20px/1.1 var(--vt); caret-color: #FFD84A; padding: 7px 8px; }
#sda[data-look="arcade"] .sda-input:focus { border-color: #FFD84A; box-shadow: none; }
#sda[data-look="arcade"] .sda-send { border-radius: 0; font: 8px/1 var(--px); box-shadow: 3px 3px 0 #000; padding: 0 10px; }
#sda[data-look="arcade"] .sda-send svg { display: none; }
#sda[data-look="arcade"] .sda-send-t { font-size: 8px; }
#sda[data-look="arcade"] .sda-view { font-size: 19px; }
#sda[data-look="arcade"] .sda-h { font: 11px/1.4 var(--px); color: #FFD84A; text-transform: uppercase; }
#sda[data-look="arcade"] .sda-steps, #sda[data-look="arcade"] .sda-label { font: 7px/1.4 var(--px); letter-spacing: .08em; }
#sda[data-look="arcade"] .sda-hint { font-size: 18px; }
#sda[data-look="arcade"] .sda-field, #sda[data-look="arcade"] .sda-card, #sda[data-look="arcade"] .sda-opt, #sda[data-look="arcade"] .sda-chip, #sda[data-look="arcade"] .sda-btn { border-radius: 0; border-width: 3px; }
#sda[data-look="arcade"] .sda-field { background: #000; font: 22px var(--vt); border-color: #fff; }
#sda[data-look="arcade"] .sda-card, #sda[data-look="arcade"] .sda-opt { border-color: #3A3170; }
#sda[data-look="arcade"] .sda-card.sda-on, #sda[data-look="arcade"] .sda-opt.sda-on { border-color: #FFD84A; box-shadow: none; }
#sda[data-look="arcade"] .sda-card-d, #sda[data-look="arcade"] .sda-opt small, #sda[data-look="arcade"] .sda-lock { font-size: 17px; }
#sda[data-look="arcade"] .sda-badge { border-radius: 0; font-size: 14px; }
#sda[data-look="arcade"] .sda-btn { font: 8px/1 var(--px); box-shadow: 3px 3px 0 #000; padding: 10px 12px; min-height: 0; }
#sda[data-look="arcade"] .sda-pips i { border-radius: 0; height: 6px; width: 14px; }
/* controls */
#sda[data-look="arcade"] .sda-shellbottom { flex: none; position: relative; height: 152px; }
#sda[data-look="arcade"] .sda-ac-brand { font: italic 11px/1 var(--px); color: #FFD84A; text-shadow: 2px 2px 0 #0E0B1F; padding: 12px 4px 0; letter-spacing: .04em; }
#sda[data-look="arcade"] .sda-ac-pad { display: grid; grid-template-columns: auto 1fr auto; align-items: center; padding: 12px 4px 0 6px; }
#sda[data-look="arcade"] .sda-ac-dpad { display: grid; grid-template-columns: repeat(3, 26px); grid-template-rows: repeat(3, 26px); filter: drop-shadow(2px 3px 0 rgba(0, 0, 0, .4)); }
#sda[data-look="arcade"] .sda-d, #sda[data-look="arcade"] .sda-d-mid { background: #1A1530; position: relative; }
#sda[data-look="arcade"] .sda-d-up { grid-area: 1 / 2; } #sda[data-look="arcade"] .sda-d-l { grid-area: 2 / 1; } #sda[data-look="arcade"] .sda-d-mid { grid-area: 2 / 2; }
#sda[data-look="arcade"] .sda-d-r { grid-area: 2 / 3; } #sda[data-look="arcade"] .sda-d-dn { grid-area: 3 / 2; }
#sda[data-look="arcade"] .sda-d::before { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 5px solid transparent; }
#sda[data-look="arcade"] .sda-d-up::before { border-bottom-color: #4B3F8F; border-top-width: 0; }
#sda[data-look="arcade"] .sda-d-dn::before { border-top-color: #4B3F8F; border-bottom-width: 0; }
#sda[data-look="arcade"] .sda-d-l::before { border-right-color: #4B3F8F; border-left-width: 0; }
#sda[data-look="arcade"] .sda-d-r::before { border-left-color: #4B3F8F; border-right-width: 0; }
#sda[data-look="arcade"] .sda-d:active { background: #0E0B1F; }
#sda[data-look="arcade"] .sda-ac-ss { display: flex; justify-content: center; gap: 10px; align-self: end; padding-bottom: 2px; }
#sda[data-look="arcade"] .sda-ac-ss button { display: flex; flex-direction: column; align-items: center; gap: 5px; transform: rotate(-25deg); }
#sda#sda[data-look="arcade"] .sda-ac-ss i { display: block; width: 34px; height: 9px; border-radius: 6px !important; background: #2A2350; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .4); }
#sda[data-look="arcade"] .sda-ac-ss span { font: 6px/1 var(--px); color: rgba(255, 255, 255, .7); letter-spacing: .06em; text-transform: uppercase; }
#sda[data-look="arcade"] .sda-ac-ab { display: flex; gap: 12px; align-items: center; transform: rotate(-25deg); padding: 6px 2px 18px; }
#sda#sda[data-look="arcade"] .sda-ab { width: 44px; height: 44px; border-radius: 50% !important; background: radial-gradient(circle at 35% 30%, #FF8FB0, #FF4F87 50%, #C22A62 100%); box-shadow: 0 4px 0 #7A1840, 0 0 0 3px #0E0B1F; display: grid; place-items: center; transition: transform .08s; }
#sda[data-look="arcade"] .sda-ab b { font: 11px/1 var(--px); color: #3A0A20; }
#sda[data-look="arcade"] .sda-ab:active { transform: translateY(3px); box-shadow: 0 1px 0 #7A1840, 0 0 0 3px #0E0B1F; }
#sda[data-look="arcade"] .sda-a { margin-top: -26px; }
#sda[data-look="arcade"] .sda-ac-speaker { position: absolute; right: 16px; bottom: 2px; display: flex; gap: 6px; transform: rotate(-30deg); }
#sda#sda[data-look="arcade"] .sda-ac-speaker i { width: 5px; height: 26px; border-radius: 3px !important; background: rgba(0, 0, 0, .3); box-shadow: inset 0 2px 0 rgba(0, 0, 0, .3); }
#sda[data-look="arcade"] .sda-panel.sda-in .sda-shell { animation: sda-rise .42s steps(6) both; }
#sda[data-look="arcade"] .sda-panel.sda-in .sda-main { animation: sda-power .55s .35s ease-out both; }
/* mini console launcher */
#sda[data-look="arcade"] .sda-ac-body { fill: #6A52E2; stroke: #0E0B1F; stroke-width: 2.4; }
#sda[data-look="arcade"] .sda-ac-bezel { fill: #2A2350; }
#sda[data-look="arcade"] .sda-ac-screen { fill: #0E0B1F; }
#sda[data-look="arcade"] .sda-ac-face { fill: #FFD84A; }
#sda[data-look="arcade"] .sda-ac-face rect { transform-box: fill-box; transform-origin: center; animation: sda-eye 4s steps(1) infinite; }
#sda[data-look="arcade"] .sda-ac-dpad { fill: #0E0B1F; }
#sda[data-look="arcade"] .sda-launch .sda-ac-btn { fill: #FF4F87; stroke: #0E0B1F; stroke-width: 1.2; }
#sda[data-look="arcade"] .sda-launch .sda-ac-slot { stroke: #0E0B1F; stroke-width: 2; }
#sda[data-look="arcade"] .sda-launch .sda-art { filter: drop-shadow(3px 4px 0 rgba(0, 0, 0, .55)); }
#sda[data-look="arcade"] .sda-launch:hover { animation: sda-wiggle .4s steps(4); }

/* ===================== 4. terminal: a friendly robot ===================== */
#sda[data-look="terminal"] {
  --g: #36FF7A; --g2: #7DFFA3; --g3: #C9FFD9; --gd: #1A8A40; --metal: #2E3A33; --metal2: #161E19;
  --sda-hi: #36FF7A; --sda-onhi: #030603; --sda-rule: #1C4A2A; --sda-hl: rgba(54, 255, 122, .1); --sda-err: #FFB3B3;
  --sda-w: 390px; --sda-h: 650px; --vt: "VT323", "IBM Plex Mono", "Courier New", monospace; --mono: "IBM Plex Mono", "Courier New", monospace;
}
#sda[data-look="terminal"] .sda-panel { color: var(--g2); font-family: var(--mono); padding: 30px 12px 0; filter: drop-shadow(0 18px 26px rgba(0, 0, 0, .6)); }
#sda[data-look="terminal"] .sda-top { position: absolute; top: 0; left: 50%; width: 30px; height: 34px; transform: translateX(-50%); z-index: 0; }
#sda[data-look="terminal"] .sda-rb-antenna { position: absolute; left: 50%; bottom: 0; width: 5px; height: 24px; transform: translateX(-50%); background: linear-gradient(90deg, #4C5A51, #8A9A90, #4C5A51); }
#sda#sda[data-look="terminal"] .sda-rb-antenna i { position: absolute; left: 50%; top: -12px; width: 15px; height: 15px; transform: translateX(-50%); border-radius: 50% !important; background: radial-gradient(circle at 35% 35%, #E2FFEA, var(--g) 55%, var(--gd)); box-shadow: 0 0 12px var(--g); animation: sda-led 2s ease-in-out infinite; }
#sda#sda[data-look="terminal"] .sda-shell { border-radius: 38px !important; }
#sda[data-look="terminal"] .sda-shell { background: radial-gradient(ellipse at 28% 0%, rgba(255, 255, 255, .18), transparent 55%), linear-gradient(180deg, var(--metal), var(--metal2)); padding: 18px 16px 10px; box-shadow: inset 0 2px 0 rgba(255, 255, 255, .2), inset 0 -5px 0 rgba(0, 0, 0, .4), 0 0 0 2px #0B110D; }
#sda#sda[data-look="terminal"] .sda-earp { position: absolute; top: 34%; width: 12px; height: 84px; background: linear-gradient(90deg, #1A221D, #3A4840); border-radius: 8px 0 0 8px !important; box-shadow: 0 0 0 2px #0B110D; }
#sda[data-look="terminal"] .sda-earp-l { left: -13px; }
#sda#sda[data-look="terminal"] .sda-earp-r { right: -13px; transform: scaleX(-1); }
#sda#sda[data-look="terminal"] .sda-bolt { position: absolute; top: 12px; width: 9px; height: 9px; border-radius: 50% !important; background: radial-gradient(circle at 35% 35%, #9AA9A0, #3A4840); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .4); }
#sda[data-look="terminal"] .sda-bolt-l { left: 26px; } #sda[data-look="terminal"] .sda-bolt-r { right: 26px; }
#sda[data-look="terminal"] .sda-shelltop { display: contents; }
#sda#sda[data-look="terminal"] .sda-frame { border-radius: 26px !important; overflow: hidden; }
#sda[data-look="terminal"] .sda-frame { background: #030603; box-shadow: 0 0 0 4px #0F1611, 0 0 0 6px #3A4840, inset 0 0 40px rgba(54, 255, 122, .12); text-shadow: 0 0 5px rgba(54, 255, 122, .45); }
#sda[data-look="terminal"] .sda-crt { position: absolute; inset: 0; background: repeating-linear-gradient(0deg, rgba(0, 0, 0, .3) 0 1px, transparent 1px 3px), radial-gradient(ellipse at 50% 50%, transparent 60%, rgba(0, 0, 0, .55) 100%); }
#sda[data-look="terminal"] .sda-crt::after { content: ""; position: absolute; left: 0; right: 0; top: -30%; height: 30%; background: linear-gradient(transparent, rgba(54, 255, 122, .22), transparent); opacity: 0; }
#sda[data-look="terminal"] .sda-panel.sda-in .sda-crt::after { animation: sda-sweep .9s .3s ease-in both; }
/* the face */
#sda[data-look="terminal"] .sda-head { flex-direction: column; gap: 6px; padding: 18px 14px 10px; text-align: center; border-bottom: 1px dashed var(--sda-rule); }
#sda[data-look="terminal"] .sda-emblem { height: 38px; }
#sda[data-look="terminal"] .sda-eyes { display: flex; gap: 42px; align-items: center; height: 38px; }
#sda#sda[data-look="terminal"] .sda-eyes i { display: block; width: 24px; height: 36px; border-radius: 12px !important; background: var(--g); box-shadow: 0 0 14px var(--g), 0 0 4px var(--g3) inset; animation: sda-robot-blink 5s infinite; transform-origin: 50% 50%; }
#sda[data-look="terminal"].sda-busy .sda-eyes i { animation: sda-robot-look 1.2s ease-in-out infinite alternate; }
#sda[data-look="terminal"] .sda-id { align-items: center; }
#sda[data-look="terminal"] .sda-kicker { display: none; }
#sda[data-look="terminal"] .sda-name { font: 400 1.75rem/1 var(--vt); letter-spacing: .14em; text-transform: uppercase; color: var(--g); }
#sda[data-look="terminal"] .sda-sub { font: 400 1rem/1.1 var(--vt); letter-spacing: .06em; justify-content: center; opacity: .9; text-transform: uppercase; }
#sda[data-look="terminal"] .sda-status::before { border-radius: 0; background: var(--g); width: 8px; height: 8px; animation: sda-blink 1.2s steps(1) infinite; opacity: 1; }
#sda[data-look="terminal"] .sda-tools { position: absolute; top: 10px; right: 12px; }
#sda[data-look="terminal"] .sda-tool { border-radius: 0; width: 32px; height: 32px; color: var(--g); }
#sda[data-look="terminal"] .sda-tool svg { width: 18px; height: 18px; filter: drop-shadow(0 0 3px rgba(54, 255, 122, .6)); }
#sda[data-look="terminal"] .sda-log { padding: 12px 18px 8px; gap: 10px; font: 400 1.25rem/1.15 var(--vt); scrollbar-color: var(--gd) transparent; }
#sda[data-look="terminal"] .sda-msg { max-width: 100%; align-self: stretch; }
#sda[data-look="terminal"] .sda-who { display: inline; font-size: inherit; letter-spacing: 0; text-transform: none; opacity: 1; margin: 0 8px 0 0; font-weight: 400; }
#sda[data-look="terminal"] .sda-text { display: inline; }
#sda[data-look="terminal"] .sda-bot .sda-who { color: var(--g); text-transform: uppercase; }
#sda[data-look="terminal"] .sda-bot .sda-who::after { content: ":"; }
#sda[data-look="terminal"] .sda-user { color: var(--g3); }
#sda[data-look="terminal"] .sda-user .sda-who { color: var(--g); opacity: .8; }
#sda[data-look="terminal"] .sda-user .sda-who::after { content: " $"; color: var(--g2); }
#sda[data-look="terminal"] .sda-log > .sda-msg:last-child:not(.sda-typing) .sda-text::after,
#sda[data-look="terminal"] .sda-log > .sda-empty::after { content: ""; display: inline-block; width: .55em; height: .95em; margin-left: 4px; vertical-align: -2px; background: var(--g); box-shadow: 0 0 6px var(--g); animation: sda-blink 1s steps(1) infinite; }
#sda[data-look="terminal"] .sda-typing .sda-text { display: inline-flex; align-items: center; }
#sda#sda[data-look="terminal"] .sda-dots i { border-radius: 0 !important; width: 8px; height: 14px; background: var(--g); animation: sda-blink 1s steps(1) infinite; }
#sda[data-look="terminal"] .sda-dots i:nth-child(2) { animation-delay: .25s; } #sda[data-look="terminal"] .sda-dots i:nth-child(3) { animation-delay: .5s; }
#sda[data-look="terminal"] .sda-empty { font: 1.15rem/1.2 var(--vt); font-style: normal; text-align: left; margin: 0; color: var(--g2); }
#sda[data-look="terminal"] .sda-empty::before { content: "> "; color: var(--g); }
#sda[data-look="terminal"] .sda-form { border-top: 1px dashed var(--sda-rule); padding: 8px 14px 14px; align-items: center; }
#sda[data-look="terminal"] .sda-form::before { content: "$"; font: 1.4rem/1 var(--vt); color: var(--g); }
#sda[data-look="terminal"] .sda-input { border: 0; border-radius: 0; background: transparent; font: 1.3rem/1.1 var(--vt); color: var(--g3); caret-color: var(--g); padding: 8px 4px; text-shadow: inherit; }
#sda[data-look="terminal"] .sda-input:focus { box-shadow: none; background: rgba(54, 255, 122, .05); }
#sda[data-look="terminal"] .sda-send { border-radius: 0; background: transparent; color: var(--g); border: 1px solid var(--g); font: 1.1rem/1 var(--vt); letter-spacing: .1em; text-transform: uppercase; height: 36px; }
#sda[data-look="terminal"] .sda-send:hover { background: var(--g); color: #030603; }
#sda[data-look="terminal"] .sda-send svg { display: none; }
#sda[data-look="terminal"] .sda-send-t { font-size: 1.1rem; }
#sda[data-look="terminal"] .sda-view { font-family: var(--mono); font-size: .9rem; }
#sda[data-look="terminal"] .sda-h { font: 1.5rem/1 var(--vt); letter-spacing: .08em; text-transform: uppercase; color: var(--g); }
#sda[data-look="terminal"] .sda-field { border-radius: 0; font: 1.4rem var(--vt); background: rgba(54, 255, 122, .04); }
#sda[data-look="terminal"] .sda-card, #sda[data-look="terminal"] .sda-opt, #sda[data-look="terminal"] .sda-chip, #sda[data-look="terminal"] .sda-btn { border-radius: 0; }
#sda[data-look="terminal"] .sda-btn { font-family: var(--vt); font-size: 1.15rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 400; }
#sda[data-look="terminal"] .sda-shellbottom { flex: none; padding: 10px 0 2px; display: flex; flex-direction: column; align-items: center; gap: 4px; }
#sda[data-look="terminal"] .sda-mouth { display: flex; gap: 5px; align-items: center; height: 18px; }
#sda#sda[data-look="terminal"] .sda-mouth i { width: 5px; height: 12px; border-radius: 3px !important; background: #0B110D; box-shadow: inset 0 1px 0 rgba(0, 0, 0, .6), 0 1px 0 rgba(255, 255, 255, .12); }
#sda[data-look="terminal"].sda-busy .sda-mouth i { background: var(--gd); animation: sda-eq .5s ease-in-out infinite alternate; }
#sda[data-look="terminal"].sda-busy .sda-mouth i:nth-child(2n) { animation-delay: .15s; }
#sda[data-look="terminal"].sda-busy .sda-mouth i:nth-child(3n) { animation-delay: .3s; }
#sda[data-look="terminal"] .sda-rb-brand { font: 600 9px/1 var(--mono); letter-spacing: .4em; color: rgba(255, 255, 255, .32); text-shadow: 0 -1px 0 rgba(0, 0, 0, .6); }
#sda[data-look="terminal"] .sda-panel.sda-in .sda-shell { animation: sda-popup .55s cubic-bezier(.3, 1.5, .5, 1) both; }
#sda[data-look="terminal"] .sda-panel.sda-in .sda-top { animation: sda-popup .55s .08s cubic-bezier(.3, 1.5, .5, 1) both; }
/* robot head launcher */
#sda[data-look="terminal"] .sda-rb-ant { stroke: #7A8A80; stroke-width: 3; stroke-linecap: round; }
#sda[data-look="terminal"] .sda-rb-light { fill: #36FF7A; animation: sda-led 2s ease-in-out infinite; }
#sda[data-look="terminal"] .sda-rb-ear { fill: #2A352F; stroke: rgba(54, 255, 122, .4); stroke-width: 1.2; }
#sda[data-look="terminal"] .sda-rb-head { fill: #34413A; stroke: rgba(54, 255, 122, .55); stroke-width: 1.6; }
#sda[data-look="terminal"] .sda-rb-screen { fill: #030603; stroke: #10170F; stroke-width: 1.5; }
#sda[data-look="terminal"] .sda-rb-eyes rect { fill: #36FF7A; transform-box: fill-box; transform-origin: center; animation: sda-robot-blink 4.5s infinite; }
#sda[data-look="terminal"] .sda-rb-smile { fill: none; stroke: #36FF7A; stroke-width: 2; stroke-linecap: round; }
#sda[data-look="terminal"] .sda-rb-grille { stroke: #0B110D; stroke-width: 3; stroke-linecap: round; stroke-dasharray: 2 3; }
#sda[data-look="terminal"] .sda-launch .sda-art { filter: drop-shadow(0 4px 6px rgba(0, 0, 0, .5)) drop-shadow(0 0 8px rgba(54, 255, 122, .25)); }
#sda[data-look="terminal"] .sda-launch:hover .sda-rb-eyes rect { animation: none; transform: scaleY(.35); }

/* ===================== 5. neon 2099: a hologram ===================== */
#sda[data-look="neon"] {
  --c: #5FF4FF; --m: #FF2BD6; --sda-hi: #5FF4FF; --sda-onhi: #07060F; --sda-rule: rgba(95, 244, 255, .38); --sda-hl: rgba(95, 244, 255, .1); --sda-err: #FF8FD8;
  --sda-w: 390px; --sda-h: 660px; --orb: "Orbitron", "Exo 2", sans-serif;
}
#sda[data-look="neon"] .sda-panel { color: #E8F7FF; font-family: "Exo 2", "Segoe UI", sans-serif; padding-bottom: 62px; }
#sda[data-look="neon"] .sda-shell {
  background: linear-gradient(180deg, rgba(22, 16, 52, .88), rgba(8, 7, 20, .9)); border: 1px solid rgba(95, 244, 255, .75); border-radius: 6px;
  box-shadow: 0 0 18px rgba(95, 244, 255, .45), inset 0 0 30px rgba(95, 244, 255, .14), 0 0 70px rgba(255, 43, 214, .16);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); animation: sda-holo 7s linear infinite; transform-origin: 50% 100%;
}
#sda[data-look="neon"] .sda-frame { overflow: hidden; border-radius: 6px; }
#sda[data-look="neon"] .sda-cn { position: absolute; width: 18px; height: 18px; border: 2px solid var(--m); filter: drop-shadow(0 0 4px var(--m)); }
#sda[data-look="neon"] .sda-cn-tl { top: 3px; left: 3px; border-right: 0; border-bottom: 0; }
#sda[data-look="neon"] .sda-cn-tr { top: 3px; right: 3px; border-left: 0; border-bottom: 0; }
#sda[data-look="neon"] .sda-cn-bl { bottom: 3px; left: 3px; border-right: 0; border-top: 0; }
#sda[data-look="neon"] .sda-cn-br { bottom: 3px; right: 3px; border-left: 0; border-top: 0; }
#sda[data-look="neon"] .sda-scan { position: absolute; inset: 0; background: repeating-linear-gradient(0deg, rgba(95, 244, 255, .06) 0 1px, transparent 1px 4px); animation: sda-scan 5s linear infinite; }
#sda[data-look="neon"] .sda-scan::after { content: ""; position: absolute; left: 0; right: 0; height: 90px; bottom: -90px; background: linear-gradient(0deg, transparent, rgba(95, 244, 255, .05), transparent); animation: sda-band 4.5s linear infinite; }
#sda[data-look="neon"] .sda-bottom { position: absolute; left: 0; right: 0; bottom: 0; height: 62px; pointer-events: none; }
#sda[data-look="neon"] .sda-beam { position: absolute; left: 50%; bottom: 18px; width: 86%; height: 48px; transform: translateX(-50%); background: linear-gradient(0deg, rgba(95, 244, 255, .6), rgba(95, 244, 255, .05)); clip-path: polygon(41% 100%, 59% 100%, 100% 0, 0 0); animation: sda-beam 3s ease-in-out infinite; }
#sda[data-look="neon"] .sda-proj { position: absolute; left: 50%; bottom: 6px; width: 130px; height: 26px; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(ellipse at 50% 40%, #F2FEFF 0, #5FF4FF 16%, #3B2A8A 46%, #140F2E 72%); box-shadow: 0 0 24px rgba(95, 244, 255, .7), 0 0 0 1px rgba(255, 43, 214, .8), 0 6px 0 #0B0A1D, 0 6px 0 1px rgba(255, 43, 214, .5), 0 12px 24px rgba(255, 43, 214, .35); }
#sda[data-look="neon"] .sda-proj i { position: absolute; inset: 4px 12px; border-radius: 50%; border: 1px dashed rgba(255, 43, 214, .9); animation: sda-led 1.6s ease-in-out infinite; }
#sda[data-look="neon"] .sda-head { padding: 16px 18px 12px; border-bottom: 1px solid rgba(95, 244, 255, .3); background: linear-gradient(180deg, rgba(95, 244, 255, .08), transparent); }
#sda[data-look="neon"] .sda-emblem { width: 40px; height: 40px; color: var(--c); filter: drop-shadow(0 0 6px var(--c)); }
#sda[data-look="neon"] .sda-emblem .sda-spin, #sda[data-look="neon"] .sda-emblem .sda-spin2 { transform-box: fill-box; transform-origin: center; animation: sda-spin 6s linear infinite; }
#sda[data-look="neon"] .sda-emblem .sda-spin2 { animation-duration: 9s; animation-direction: reverse; }
#sda[data-look="neon"] .sda-kicker { font: 600 9px/1.2 var(--orb); letter-spacing: .3em; color: var(--m); text-shadow: 0 0 6px rgba(255, 43, 214, .7); opacity: 1; }
#sda[data-look="neon"] .sda-name { font: 700 1.2rem/1.2 var(--orb); letter-spacing: .14em; text-transform: uppercase; color: #E9FEFF; text-shadow: 0 0 8px rgba(95, 244, 255, .8), 0 0 20px rgba(24, 168, 255, .45); }
#sda[data-look="neon"] .sda-sub { font-size: .76rem; letter-spacing: .06em; color: #9AA3C7; opacity: 1; }
#sda[data-look="neon"] .sda-status::before { background: var(--m); box-shadow: 0 0 6px var(--m); opacity: 1; animation: sda-led 1.6s ease-in-out infinite; }
#sda[data-look="neon"] .sda-tool { color: var(--c); }
#sda[data-look="neon"] .sda-tool:hover { box-shadow: 0 0 0 1px rgba(95, 244, 255, .6), 0 0 10px rgba(95, 244, 255, .4); }
#sda[data-look="neon"] .sda-log { padding: 16px 18px; gap: 14px; scrollbar-color: rgba(95, 244, 255, .5) transparent; }
#sda[data-look="neon"] .sda-msg { padding: 9px 13px 10px; font-size: .95rem; line-height: 1.5; background: linear-gradient(135deg, rgba(95, 244, 255, .14), rgba(95, 244, 255, .04)); border: 1px solid rgba(95, 244, 255, .55); clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px)); box-shadow: inset 0 0 18px rgba(95, 244, 255, .1); }
#sda[data-look="neon"] .sda-user { background: linear-gradient(135deg, rgba(255, 43, 214, .16), rgba(255, 43, 214, .04)); border-color: rgba(255, 43, 214, .6); clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px); }
#sda[data-look="neon"] .sda-who { font: 600 8.5px/1.4 var(--orb); letter-spacing: .24em; color: var(--c); opacity: 1; text-shadow: 0 0 6px rgba(95, 244, 255, .6); }
#sda[data-look="neon"] .sda-user .sda-who { color: #FF6BE6; text-shadow: 0 0 6px rgba(255, 43, 214, .6); text-align: right; }
#sda[data-look="neon"] .sda-dots i { background: var(--c); box-shadow: 0 0 6px var(--c); }
#sda[data-look="neon"] .sda-empty { color: #9AA3C7; font-style: normal; letter-spacing: .02em; }
#sda[data-look="neon"] .sda-form { border-top: 1px solid rgba(95, 244, 255, .3); background: rgba(95, 244, 255, .04); padding: 12px 14px 14px; }
#sda[data-look="neon"] .sda-input { background: rgba(7, 6, 15, .6); border-color: rgba(95, 244, 255, .5); border-radius: 4px; }
#sda[data-look="neon"] .sda-input:focus { box-shadow: 0 0 0 1px var(--c), 0 0 14px rgba(95, 244, 255, .4); }
#sda[data-look="neon"] .sda-send { border-radius: 4px; box-shadow: 0 0 14px rgba(95, 244, 255, .6); font-family: var(--orb); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
#sda[data-look="neon"] .sda-send-t { font-size: .68rem; }
#sda[data-look="neon"] .sda-h { font-family: var(--orb); letter-spacing: .08em; text-transform: uppercase; font-size: 1rem; text-shadow: 0 0 8px rgba(95, 244, 255, .6); }
#sda[data-look="neon"] .sda-steps, #sda[data-look="neon"] .sda-label { font-family: var(--orb); color: var(--c); }
#sda[data-look="neon"] .sda-card, #sda[data-look="neon"] .sda-opt { background: rgba(7, 6, 15, .5); }
#sda[data-look="neon"] .sda-card.sda-on, #sda[data-look="neon"] .sda-opt.sda-on { box-shadow: inset 0 0 0 1px var(--c), 0 0 12px rgba(95, 244, 255, .3); }
#sda[data-look="neon"] .sda-btn { box-shadow: 0 0 12px rgba(95, 244, 255, .5); }
#sda[data-look="neon"] .sda-btn.sda-ghost { box-shadow: none; }
#sda[data-look="neon"] .sda-panel.sda-in .sda-shell { animation: sda-holo-in .7s ease-out both; }
#sda[data-look="neon"] .sda-panel.sda-in .sda-bottom { animation: sda-fade .3s both; }
/* glowing orb launcher */
#sda[data-look="neon"] .sda-nn-halo { fill: rgba(95, 244, 255, .1); stroke: rgba(95, 244, 255, .35); stroke-width: .8; transform-box: fill-box; transform-origin: center; animation: sda-halo 2.6s ease-in-out infinite; }
#sda[data-look="neon"] .sda-nn-orb { filter: drop-shadow(0 0 6px #5FF4FF); }
#sda[data-look="neon"] .sda-nn-rings { transform-box: view-box; transform-origin: 32px 32px; animation: sda-spin 8s linear infinite; }
#sda[data-look="neon"] .sda-nn-ring { fill: none; stroke: #5FF4FF; stroke-width: 1.4; }
#sda[data-look="neon"] .sda-nn-ring2 { fill: none; stroke: #FF2BD6; stroke-width: 1.2; }
#sda[data-look="neon"] .sda-nn-glint { fill: rgba(255, 255, 255, .7); }
#sda[data-look="neon"] .sda-launch .sda-art { filter: drop-shadow(0 0 10px rgba(95, 244, 255, .7)) drop-shadow(0 0 22px rgba(255, 43, 214, .35)); }

/* ===================== 6. gazette 1890: telegrams and clippings ===================== */
#sda[data-look="gazette"] {
  --np: #F7EDD8; --ni: #1D1A16; --nm: #5A4E3F; --nl: #B9A684;
  --sda-hi: #1D1A16; --sda-onhi: #F7EDD8; --sda-rule: #B9A684; --sda-hl: #E6D6B4; --sda-err: #8B1A1A;
  --sda-w: 420px; --sda-h: 650px; --tw: "Special Elite", "Courier Prime", "Courier New", monospace; --fell: "IM Fell English SC", "Old Standard TT", Georgia, serif;
}
#sda[data-look="gazette"] .sda-panel { color: var(--ni); font-family: "Old Standard TT", "Times New Roman", Georgia, serif; filter: drop-shadow(5px 7px 0 rgba(29, 26, 22, .3)); }
#sda[data-look="gazette"] .sda-shell { padding: 8px 16px 0; border: 1px solid var(--ni); background: var(--np) radial-gradient(circle at 20% 8%, rgba(255, 255, 255, .55), transparent 55%); background-image: radial-gradient(circle at 20% 8%, rgba(255, 255, 255, .55), transparent 55%), repeating-linear-gradient(0deg, rgba(60, 40, 10, .035) 0 1px, transparent 1px 3px); }
#sda[data-look="gazette"] .sda-gz-fold { position: absolute; left: -16px; right: -16px; top: 52%; height: 1px; background: linear-gradient(90deg, transparent, rgba(29, 26, 22, .14) 20%, rgba(29, 26, 22, .14) 80%, transparent); box-shadow: 0 1px 0 rgba(255, 255, 255, .7); }
/* masthead */
#sda[data-look="gazette"] .sda-head { flex-direction: column; gap: 2px; padding: 6px 0 6px; text-align: center; border-bottom: 4px double var(--ni); }
#sda[data-look="gazette"] .sda-emblem { width: 120px; height: 12px; color: var(--ni); order: 0; }
#sda[data-look="gazette"] .sda-id { width: 100%; align-items: center; }
#sda[data-look="gazette"] .sda-name { order: 1; font: 400 1.85rem/1.05 var(--fell); letter-spacing: .01em; padding: 0 64px; }
#sda[data-look="gazette"] .sda-kicker { order: 2; width: 100%; margin-top: 5px; padding: 2px 0; border-top: 1px solid var(--ni); border-bottom: 1px solid var(--ni); font-size: .66rem; letter-spacing: .14em; opacity: 1; }
#sda[data-look="gazette"] .sda-sub { order: 3; justify-content: center; font-style: italic; font-size: .8rem; color: var(--nm); opacity: 1; margin-top: 3px; }
#sda[data-look="gazette"] .sda-status::before { border-radius: 0; width: 6px; height: 6px; transform: rotate(45deg); opacity: .7; }
#sda[data-look="gazette"] .sda-tools { position: absolute; top: 0; right: -6px; }
#sda[data-look="gazette"] .sda-tool { border-radius: 0; width: 32px; height: 32px; }
#sda[data-look="gazette"] .sda-log { padding: 16px 4px 14px; gap: 16px; scrollbar-color: var(--nl) transparent; }
/* telegram slips */
#sda[data-look="gazette"] .sda-bot { max-width: 94%; padding: 7px 12px 10px; background: linear-gradient(180deg, #FAF0CC, #F3E4B4); border: 1px solid #C2A86C; box-shadow: 1px 2px 0 rgba(29, 26, 22, .2); transform: rotate(-.6deg); }
#sda[data-look="gazette"] .sda-bot:nth-child(4n+3) { transform: rotate(.5deg); }
#sda[data-look="gazette"] .sda-bot .sda-who { font: 700 .62rem/1.3 "Old Standard TT", Georgia, serif; letter-spacing: .2em; border-bottom: 1px solid var(--ni); padding-bottom: 4px; margin-bottom: 7px; opacity: 1; display: flex; gap: 8px; align-items: center; }
#sda[data-look="gazette"] .sda-bot .sda-who::before { content: "✦"; font-size: .7rem; }
#sda[data-look="gazette"] .sda-bot .sda-text { font: .92rem/1.6 var(--tw); text-transform: uppercase; letter-spacing: .02em; background: repeating-linear-gradient(180deg, transparent 0 .16em, #FFFCEB .16em 1.46em, transparent 1.46em 1.6em); padding: 0 4px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
/* newspaper clippings */
#sda[data-look="gazette"] .sda-user { max-width: 86%; padding: 12px 14px 12px; background: #FFFAEE; transform: rotate(.7deg);
  clip-path: polygon(0 3px, 4% 0, 9% 3px, 14% 1px, 20% 4px, 26% 0, 31% 3px, 37% 1px, 43% 4px, 49% 0, 55% 3px, 61% 1px, 67% 4px, 72% 0, 78% 3px, 84% 1px, 90% 4px, 95% 0, 100% 3px, 100% calc(100% - 3px), 96% 100%, 91% calc(100% - 3px), 85% calc(100% - 1px), 79% calc(100% - 4px), 73% 100%, 67% calc(100% - 3px), 61% calc(100% - 1px), 55% calc(100% - 4px), 49% 100%, 43% calc(100% - 3px), 37% calc(100% - 1px), 31% calc(100% - 4px), 25% 100%, 19% calc(100% - 3px), 13% calc(100% - 1px), 7% calc(100% - 4px), 0 100%);
  background-image: linear-gradient(90deg, rgba(29, 26, 22, .07), transparent 6%, transparent 94%, rgba(29, 26, 22, .07)); }
#sda[data-look="gazette"] .sda-user .sda-who { font: 400 .78rem/1.2 var(--fell); letter-spacing: .1em; text-align: center; border-bottom: 1px solid var(--ni); padding-bottom: 3px; margin-bottom: 6px; opacity: 1; }
#sda[data-look="gazette"] .sda-user .sda-text { font-size: 1rem; line-height: 1.45; }
#sda[data-look="gazette"] .sda-dots i:nth-child(1), #sda[data-look="gazette"] .sda-dots i:nth-child(3) { width: 5px; height: 5px; }
#sda#sda[data-look="gazette"] .sda-dots i:nth-child(2) { width: 14px; height: 4px; border-radius: 2px !important; }
#sda#sda[data-look="gazette"] .sda-dots i { border-radius: 50% !important; animation: sda-blink 1s steps(1) infinite; }
#sda[data-look="gazette"] .sda-typing .sda-typing-t { font: .78rem var(--tw); text-transform: uppercase; letter-spacing: .08em; }
#sda[data-look="gazette"] .sda-empty { font-style: italic; color: var(--nm); border-top: 1px solid var(--nl); border-bottom: 1px solid var(--nl); padding: 10px 6px; }
#sda[data-look="gazette"] .sda-form { border-top: 4px double var(--ni); padding: 10px 0 14px; }
#sda[data-look="gazette"] .sda-input { background: #FFFBF0; border: 1px solid var(--ni); border-radius: 0; font: .95rem/1.4 var(--tw); }
#sda[data-look="gazette"] .sda-input:focus { box-shadow: 2px 2px 0 var(--ni); }
#sda[data-look="gazette"] .sda-send { border-radius: 0; font: 700 .72rem/1 "Old Standard TT", Georgia, serif; letter-spacing: .18em; text-transform: uppercase; }
#sda[data-look="gazette"] .sda-send-t { font-size: .72rem; }
#sda[data-look="gazette"] .sda-view { padding: 14px 2px 16px; }
#sda[data-look="gazette"] .sda-h { font: 400 1.5rem/1.1 var(--fell); }
#sda[data-look="gazette"] .sda-steps { font-style: italic; letter-spacing: .14em; }
#sda[data-look="gazette"] .sda-field { border-radius: 0; background: #FFFBF0; font: 1.15rem var(--tw); border-color: var(--ni); }
#sda[data-look="gazette"] .sda-card, #sda[data-look="gazette"] .sda-opt, #sda[data-look="gazette"] .sda-chip, #sda[data-look="gazette"] .sda-btn { border-radius: 0; }
#sda[data-look="gazette"] .sda-card, #sda[data-look="gazette"] .sda-opt { background: #FFFBF0; }
#sda[data-look="gazette"] .sda-btn { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; }
#sda[data-look="gazette"] .sda-panel.sda-in .sda-shell { animation: sda-unfold .55s cubic-bezier(.25, .8, .35, 1.1) both; }
/* rolled newspaper launcher */
#sda[data-look="gazette"] .sda-gz-paper { fill: #F7EDD8; stroke: #1D1A16; stroke-width: 1.4; }
#sda[data-look="gazette"] .sda-gz-text { stroke: #5A4E3F; stroke-width: 1.3; }
#sda[data-look="gazette"] .sda-gz-end { fill: #EADBB8; stroke: #1D1A16; stroke-width: 1.4; }
#sda[data-look="gazette"] .sda-gz-curl { fill: none; stroke: #1D1A16; stroke-width: 1; }
#sda[data-look="gazette"] .sda-gz-head { fill: #1D1A16; }
#sda[data-look="gazette"] .sda-gz-headtxt { stroke: #F7EDD8; stroke-width: 1.4; stroke-dasharray: 2 1.2; }
#sda[data-look="gazette"] .sda-gz-string { stroke: #8A6A2E; stroke-width: 1.4; }
#sda[data-look="gazette"] .sda-launch .sda-art { filter: drop-shadow(3px 4px 0 rgba(29, 26, 22, .35)); }

/* ===================== 7. art deco 1925: a brass radio ===================== */
#sda[data-look="deco"] {
  --au: #D4AF5F; --au2: #E6C57C; --au3: #8A7A55; --cr: #F3E7C9;
  --sda-hi: #D4AF5F; --sda-onhi: #0F0F10; --sda-rule: rgba(212, 175, 95, .45); --sda-hl: rgba(212, 175, 95, .1); --sda-err: #FFB4A0;
  --sda-w: 390px; --sda-h: 670px; --poiret: "Poiret One", "Josefin Sans", sans-serif;
}
#sda[data-look="deco"] .sda-panel { color: var(--cr); font-family: "Josefin Sans", "Segoe UI", sans-serif; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .65)); }
#sda[data-look="deco"] .sda-shell {
  padding: 0 14px 8px; border: 2px solid var(--au); border-radius: 190px 190px 18px 18px / 130px 130px 18px 18px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .018) 0 2px, transparent 2px 9px), linear-gradient(180deg, #241C14 0%, #120F0C 100%);
  box-shadow: inset 0 0 0 5px #0F0F10, inset 0 0 0 6px var(--au3), 0 0 0 3px #0F0F10;
}
#sda[data-look="deco"] .sda-shelltop { flex: none; height: 116px; padding: 14px 18px 0; }
#sda[data-look="deco"] .sda-grille { height: 100%; }
#sda[data-look="deco"] .sda-grille svg { width: 100%; height: 100%; }
#sda[data-look="deco"] .sda-dc-rays2 path { stroke: var(--au); stroke-width: 2.4; opacity: .9; }
#sda[data-look="deco"] .sda-dc-arc { fill: none; stroke: var(--au); stroke-width: 2; }
#sda[data-look="deco"] .sda-frame { margin-top: 8px; border: 1px solid var(--au); border-radius: 6px; background: radial-gradient(ellipse at 50% 20%, rgba(230, 197, 124, .14), transparent 70%), #141210; box-shadow: inset 0 0 0 3px #0F0F10, inset 0 0 0 4px rgba(212, 175, 95, .35), inset 0 0 40px rgba(230, 170, 80, .1); }
#sda[data-look="deco"] .sda-head { flex-direction: column; gap: 2px; padding: 10px 14px 8px; text-align: center; }
#sda[data-look="deco"] .sda-emblem { width: 70px; height: 16px; color: var(--au); }
#sda[data-look="deco"] .sda-id { align-items: center; }
#sda[data-look="deco"] .sda-kicker { order: 2; font-size: .58rem; letter-spacing: .32em; color: var(--au); opacity: 1; margin-top: 3px; }
#sda[data-look="deco"] .sda-name { order: 1; font: 400 1.6rem/1.1 var(--poiret); letter-spacing: .3em; text-transform: uppercase; color: var(--cr); padding-left: .3em; text-shadow: 0 0 12px rgba(255, 200, 120, .3); }
#sda[data-look="deco"] .sda-sub { order: 3; justify-content: center; font-size: .72rem; letter-spacing: .08em; color: #B9AB88; opacity: 1; }
#sda[data-look="deco"] .sda-status::before { background: #FF7A4A; box-shadow: 0 0 6px #FF7A4A; opacity: .9; }
#sda[data-look="deco"] .sda-tools { position: absolute; top: 6px; right: 6px; }
#sda[data-look="deco"] .sda-tool { color: var(--au); width: 32px; height: 32px; }
#sda[data-look="deco"] .sda-dial { position: relative; margin: 0 14px 4px; height: 30px; border: 1px solid var(--au3); border-radius: 3px; background: linear-gradient(180deg, #4A3816, #241A0A); box-shadow: inset 0 0 14px rgba(255, 190, 90, .45), 0 0 16px rgba(255, 190, 90, .18); overflow: hidden; }
#sda[data-look="deco"] .sda-ticks { display: flex; justify-content: space-between; align-items: flex-end; height: 100%; padding: 0 8px 3px; font: 600 9px/1 "Josefin Sans", sans-serif; color: #FFE3A3; background: repeating-linear-gradient(90deg, rgba(255, 227, 163, .75) 0 1px, transparent 1px 7px) 8px 0 / calc(100% - 16px) 8px no-repeat; text-shadow: 0 0 4px rgba(255, 200, 100, .7); }
#sda[data-look="deco"] .sda-needle { position: absolute; top: 2px; bottom: 2px; left: 24%; width: 2px; background: #FF5A3C; box-shadow: 0 0 6px #FF5A3C; transition: left 1.4s cubic-bezier(.3, 1.4, .5, 1); }
#sda[data-look="deco"].sda-busy .sda-needle { left: 71%; }
#sda[data-look="deco"] .sda-log { padding: 14px 16px; gap: 14px; scrollbar-color: var(--au3) transparent; }
#sda[data-look="deco"] .sda-msg { font-size: .95rem; line-height: 1.55; text-shadow: 0 0 10px rgba(255, 200, 120, .18); }
#sda[data-look="deco"] .sda-bot { padding: 11px 14px 11px; border: 1px solid rgba(212, 175, 95, .6); background: linear-gradient(180deg, rgba(212, 175, 95, .09), rgba(212, 175, 95, .03)); }
#sda[data-look="deco"] .sda-bot::before, #sda[data-look="deco"] .sda-bot::after { content: ""; position: absolute; width: 10px; height: 10px; border: 2px solid var(--au); }
#sda[data-look="deco"] .sda-bot::before { top: -4px; left: -4px; border-right: 0; border-bottom: 0; }
#sda[data-look="deco"] .sda-bot::after { bottom: -4px; right: -4px; border-left: 0; border-top: 0; }
#sda[data-look="deco"] .sda-user { padding: 4px 12px 4px 0; border-right: 2px solid var(--au); text-align: right; font-style: italic; color: #E8DCC0; }
#sda[data-look="deco"] .sda-who { font: 400 .66rem/1.3 var(--poiret); letter-spacing: .3em; color: var(--au); opacity: 1; font-weight: 600; }
#sda[data-look="deco"] .sda-user .sda-who { font-style: normal; }
#sda[data-look="deco"] .sda-dots i { background: var(--au2); box-shadow: 0 0 6px rgba(255, 200, 120, .7); }
#sda[data-look="deco"] .sda-empty { color: #B9AB88; font-style: normal; letter-spacing: .04em; }
#sda[data-look="deco"] .sda-form { padding: 10px 12px 12px; border-top: 1px solid rgba(212, 175, 95, .35); }
#sda[data-look="deco"] .sda-input { background: #0F0F10; border-color: var(--au3); border-radius: 3px; }
#sda[data-look="deco"] .sda-send { border-radius: 3px; font-family: var(--poiret); font-weight: 400; letter-spacing: .2em; text-transform: uppercase; background: linear-gradient(180deg, #E6C57C, #B88F3E); }
#sda[data-look="deco"] .sda-send-t { font-size: .8rem; font-weight: 600; }
#sda[data-look="deco"] .sda-h { font: 400 1.4rem/1.2 var(--poiret); letter-spacing: .14em; text-transform: uppercase; color: var(--au2); }
#sda[data-look="deco"] .sda-steps, #sda[data-look="deco"] .sda-label { color: var(--au); letter-spacing: .24em; }
#sda[data-look="deco"] .sda-card, #sda[data-look="deco"] .sda-opt { background: rgba(15, 15, 16, .6); border-radius: 3px; }
#sda[data-look="deco"] .sda-btn { border-radius: 3px; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; }
#sda[data-look="deco"] .sda-field { border-radius: 3px; background: #0F0F10; font-family: var(--poiret); letter-spacing: .14em; font-size: 1.3rem; }
#sda[data-look="deco"] .sda-shellbottom { flex: none; }
#sda[data-look="deco"] .sda-knobs { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 20px 4px; }
#sda[data-look="deco"] .sda-knob { position: relative; width: 40px; height: 40px; border-radius: 50%; background: repeating-conic-gradient(from 0deg, rgba(0, 0, 0, .25) 0 6deg, transparent 6deg 18deg), radial-gradient(circle at 35% 30%, #FAE6B0, #D4AF5F 42%, #6E5322 100%); box-shadow: 0 3px 0 #3A2C14, 0 0 0 2px #0F0F10, 0 0 0 3px var(--au3); transition: transform .4s; }
#sda[data-look="deco"] .sda-knob i { position: absolute; left: 50%; top: 5px; width: 3px; height: 12px; margin-left: -1.5px; border-radius: 2px; background: #2A1E0A; }
#sda[data-look="deco"] .sda-knob:hover { transform: rotate(40deg); }
#sda[data-look="deco"] .sda-plaque { font: 400 .72rem/1 var(--poiret); letter-spacing: .4em; color: var(--au); padding: 5px 2px 4px 10px; border-top: 1px solid var(--au3); border-bottom: 1px solid var(--au3); text-transform: uppercase; }
#sda[data-look="deco"] .sda-panel.sda-in .sda-shell { animation: sda-grow .45s cubic-bezier(.2, .9, .3, 1.1) both; }
#sda[data-look="deco"] .sda-panel.sda-in .sda-frame, #sda[data-look="deco"] .sda-panel.sda-in .sda-mid { animation: sda-warm 1.2s .25s ease-out both; }
/* little radio launcher */
#sda[data-look="deco"] .sda-dc-body { fill: #1E1712; stroke: #D4AF5F; stroke-width: 1.8; }
#sda[data-look="deco"] .sda-dc-trim { fill: none; stroke: #8A7A55; stroke-width: 1; }
#sda[data-look="deco"] .sda-dc-grille { fill: #3A2E16; }
#sda[data-look="deco"] .sda-dc-rays { stroke: #D4AF5F; stroke-width: 1.3; }
#sda[data-look="deco"] .sda-dc-dial { fill: #FFC66B; animation: sda-glow 3s ease-in-out infinite; }
#sda[data-look="deco"] .sda-dc-needle { stroke: #B3261E; stroke-width: 1.3; }
#sda[data-look="deco"] .sda-dc-knob { fill: #D4AF5F; stroke: #6E5322; stroke-width: .8; }
#sda[data-look="deco"] .sda-launch .sda-art { filter: drop-shadow(0 5px 8px rgba(0, 0, 0, .6)) drop-shadow(0 0 10px rgba(255, 190, 90, .25)); }

/* ===================== phones: a full-height sheet ===================== */
@media (max-width: 560px), (max-height: 520px) {
  #sda { --sda-gap: 12px; --sda-size: 54px; }
  #sda .sda-panel { top: 0; left: 0; right: 0; bottom: 0; width: auto; height: auto; max-width: none; max-height: none;
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px); }
  #sda .sda-msg { max-width: 94%; }
  #sda .sda-input { font-size: 16px; }
  /* book: one page with the spine on the left */
  #sda[data-look="book"] .sda-panel { padding-bottom: env(safe-area-inset-bottom, 0px); filter: none; }
  #sda[data-look="book"] .sda-shell { border-radius: 0; padding: 8px 10px 12px 14px; background: linear-gradient(90deg, var(--sda-cover-dk), var(--sda-cover) 10px, var(--sda-cover)); }
  #sda[data-look="book"] .sda-shell::before { border-radius: 0; }
  #sda[data-look="book"] .sda-shell::after { display: none; }
  #sda[data-look="book"] .sda-frame { grid-template-columns: 100%; grid-template-rows: auto minmax(0, 1fr);
    background: linear-gradient(90deg, color-mix(in srgb, var(--sda-ink) 14%, var(--sda-paper)) 0, var(--sda-paper) 22px, var(--sda-paper) calc(100% - 8px), color-mix(in srgb, var(--sda-ink) 6%, var(--sda-paper)));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--sda-ink) 22%, transparent), 2px 2px 0 -1px var(--sda-paper), 2px 2px 0 0 var(--sda-rule), 4px 4px 0 -1px var(--sda-paper), 4px 4px 0 0 var(--sda-rule); }
  #sda[data-look="book"] .sda-gutter, #sda[data-look="book"] .sda-pno, #sda[data-look="book"] .sda-emblem, #sda[data-look="book"] .sda-meta { display: none; }
  #sda[data-look="book"] .sda-ribbon { left: auto; right: 92px; top: -8px; height: 36px; }
  #sda[data-look="book"] .sda-flip { left: 0; }
  #sda[data-look="book"] .sda-head { grid-column: 1; grid-row: 1; padding: 12px 96px 10px 22px; text-align: left; border-bottom: 1px solid var(--sda-rule); }
  #sda[data-look="book"] .sda-id { padding: 0; border: 0; background: none; align-items: flex-start; gap: 1px; }
  #sda[data-look="book"] .sda-kicker { font-size: .8rem; }
  #sda[data-look="book"] .sda-name { font-size: 1.55rem; }
  #sda[data-look="book"] .sda-sub { flex-direction: row; align-items: baseline; gap: 0 10px; font-size: .8rem; }
  #sda[data-look="book"] .sda-main { grid-column: 1; grid-row: 2; padding-top: 10px; }
  #sda[data-look="book"] .sda-log { padding: 0 14px 0 48px; background-image: linear-gradient(90deg, transparent 36px, color-mix(in srgb, var(--sda-accent) 40%, transparent) 36px 37px, transparent 37px), repeating-linear-gradient(180deg, transparent 0 calc(var(--sda-rl) - 1px), var(--sda-rule) calc(var(--sda-rl) - 1px) var(--sda-rl)); }
  #sda[data-look="book"] .sda-who { left: -44px; }
  #sda[data-look="book"] .sda-form { padding: 8px 12px 12px 48px; }
  #sda[data-look="book"] .sda-view { padding: 4px 16px 14px 24px; }
  /* blueprint */
  #sda[data-look="blueprint"] .sda-shell { padding: 16px 8px 20px; }
  #sda[data-look="blueprint"] .sda-emblem { width: 52px; padding: 6px; }
  #sda[data-look="blueprint"] .sda-log { padding: 16px 26px 12px 18px; }
  /* arcade */
  #sda[data-look="arcade"] .sda-panel { filter: none; }
  #sda#sda[data-look="arcade"] .sda-shell { border-radius: 0 0 40px 0 !important; }
  #sda[data-look="arcade"] .sda-shell { padding: 8px 10px 8px; box-shadow: inset 0 -6px 0 rgba(0, 0, 0, .25); }
  #sda[data-look="arcade"] .sda-shellbottom { height: 128px; }
  #sda[data-look="arcade"] .sda-ac-brand { padding-top: 8px; }
  #sda[data-look="arcade"] .sda-ac-pad { padding-top: 8px; }
  #sda[data-look="arcade"] .sda-ac-speaker { display: none; }
  /* terminal */
  #sda[data-look="terminal"] .sda-panel { padding: calc(26px + env(safe-area-inset-top, 0px)) 10px env(safe-area-inset-bottom, 0px); background: #030603; filter: none; }
  #sda#sda[data-look="terminal"] .sda-shell { border-radius: 30px 30px 18px 18px !important; }
  #sda[data-look="terminal"] .sda-shell { padding: 14px 10px 8px; }
  #sda#sda[data-look="terminal"] .sda-frame { border-radius: 20px !important; }
  #sda[data-look="terminal"] .sda-earp { display: none; }
  #sda[data-look="terminal"] .sda-head { padding: 12px 12px 8px; }
  #sda[data-look="terminal"] .sda-eyes { gap: 34px; height: 30px; }
  #sda#sda[data-look="terminal"] .sda-eyes i { width: 20px; height: 28px; }
  #sda[data-look="terminal"] .sda-emblem { height: 30px; }
  /* neon */
  #sda[data-look="neon"] .sda-panel { background: #07060F radial-gradient(ellipse at 50% 100%, rgba(95, 244, 255, .14), transparent 45%); padding: calc(10px + env(safe-area-inset-top, 0px)) 10px calc(54px + env(safe-area-inset-bottom, 0px)); }
  #sda[data-look="neon"] .sda-bottom { bottom: env(safe-area-inset-bottom, 0px); height: 56px; }
  /* gazette */
  #sda[data-look="gazette"] .sda-panel { filter: none; }
  #sda[data-look="gazette"] .sda-shell { border: 0; padding: 6px 14px 0; }
  #sda[data-look="gazette"] .sda-name { font-size: 1.5rem; padding: 0 70px; }
  /* deco */
  #sda[data-look="deco"] .sda-panel { background: #0F0F10; padding: calc(6px + env(safe-area-inset-top, 0px)) 6px env(safe-area-inset-bottom, 0px); filter: none; }
  #sda[data-look="deco"] .sda-shell { border-radius: 140px 140px 12px 12px / 64px 64px 12px 12px; padding: 0 10px 6px; }
  #sda[data-look="deco"] .sda-shelltop { height: 64px; padding: 8px 30px 0; }
  #sda[data-look="deco"] .sda-head { padding: 8px 12px 6px; }
  #sda[data-look="deco"] .sda-name { font-size: 1.35rem; }
  #sda[data-look="deco"] .sda-knobs { padding: 6px 16px 2px; }
  #sda[data-look="deco"] .sda-knob { width: 34px; height: 34px; }
}
@media (max-height: 520px) {
  #sda[data-look="arcade"] .sda-shellbottom, #sda[data-look="deco"] .sda-shelltop, #sda[data-look="deco"] .sda-shellbottom, #sda[data-look="terminal"] .sda-shellbottom, #sda[data-look="terminal"] .sda-top { display: none; }
  #sda[data-look="terminal"] .sda-panel { padding-top: 0; }
  #sda[data-look="terminal"] .sda-emblem { display: none; }
}

/* ===================== motion ===================== */
@keyframes sda-grow { from { opacity: 0; transform: translate(14px, 18px) scale(.28); } to { opacity: 1; transform: none; } }
@keyframes sda-shrink { to { opacity: 0; transform: translate(10px, 14px) scale(.9); } }
@keyframes sda-in-msg { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }
@keyframes sda-bounce { 0%, 80%, 100% { transform: translateY(0); opacity: .4; } 40% { transform: translateY(-4px); opacity: 1; } }
@keyframes sda-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.25); } }
@keyframes sda-flip { 0% { transform: rotateY(0); } 100% { transform: rotateY(-180deg); } }
@keyframes sda-unroll { from { clip-path: inset(0 0 0 100%); } to { clip-path: inset(0 0 0 0); } }
@keyframes sda-rise { from { opacity: 0; transform: translateY(70px) scale(.4); } to { opacity: 1; transform: none; } }
@keyframes sda-power { 0% { transform: scale(.7, .01); filter: brightness(4); } 55% { transform: scale(1, .02); filter: brightness(3); } 100% { transform: none; filter: none; } }
@keyframes sda-popup { 0% { opacity: 0; transform: translateY(80px) scale(.3); } 100% { opacity: 1; transform: none; } }
@keyframes sda-sweep { 0% { top: -30%; opacity: 1; } 100% { top: 110%; opacity: 1; } }
@keyframes sda-holo-in { 0% { opacity: 0; transform: scale(.3, .01); filter: brightness(3); } 35% { opacity: 1; transform: scale(1, .02); } 55% { opacity: .5; } 70% { opacity: 1; transform: none; } 80% { opacity: .7; } 100% { opacity: 1; transform: none; filter: none; } }
@keyframes sda-holo { 0%, 92%, 100% { opacity: 1; } 93% { opacity: .86; } 94% { opacity: 1; } 96% { opacity: .92; } }
@keyframes sda-scan { from { background-position: 0 0; } to { background-position: 0 -120px; } }
@keyframes sda-band { from { bottom: -90px; } to { bottom: 110%; } }
@keyframes sda-beam { 0%, 100% { opacity: .75; } 50% { opacity: 1; } }
@keyframes sda-halo { 0%, 100% { transform: scale(.92); opacity: .8; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes sda-spin { to { transform: rotate(360deg); } }
@keyframes sda-unfold { 0% { opacity: 0; transform: perspective(900px) rotateX(-75deg) scale(.7); } 60% { opacity: 1; } 100% { opacity: 1; transform: none; } }
@keyframes sda-warm { 0% { filter: brightness(.2) saturate(0); } 60% { filter: brightness(1.15) saturate(1.1); } 100% { filter: none; } }
@keyframes sda-glow { 0%, 100% { fill: #FFC66B; } 50% { fill: #FFE3A3; } }
@keyframes sda-led { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@keyframes sda-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes sda-heart { 0% { transform: scale(1); } 50% { transform: scale(1.2); } }
@keyframes sda-eye { 0%, 92%, 100% { transform: scaleY(1); } 94% { transform: scaleY(.2); } }
@keyframes sda-wiggle { 0% { transform: rotate(0); } 25% { transform: rotate(-6deg); } 50% { transform: rotate(5deg); } 75% { transform: rotate(-3deg); } 100% { transform: rotate(0); } }
@keyframes sda-robot-blink { 0%, 90%, 100% { transform: scaleY(1); } 93% { transform: scaleY(.1); } 96% { transform: scaleY(1); } }
@keyframes sda-robot-look { from { transform: translateX(-6px); } to { transform: translateX(6px); } }
@keyframes sda-eq { from { height: 4px; } to { height: 16px; } }
@keyframes sda-fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  #sda *, #sda *::before, #sda *::after { animation: none !important; transition: none !important; }
}
#sda.sda-still *, #sda.sda-still *::before, #sda.sda-still *::after { animation: none !important; transition: none !important; }
@media print { #sda { display: none !important; } }
