feat: redesign UI with themes, animations, procedural ASCII engine
- Split app.py into routes + ascii_engine.py (stdlib-only procedural generation: figlet banners, creatures, patterns, scenes, classics) - API: /api/random?category=..., /api/categories, richer JSON payload - New frontend: templates/index.html + static/ (vanilla JS/CSS) - 4 themes (graphite/paper/phosphor/amber), localStorage persist, no-flash boot, prefers-color-scheme default - Scramble-resolve art transition, reduced-motion support - Responsive: rail collapses to chips <760px, art auto-fits width - Fix grid blowout on mobile (min-width: 0 on stage children) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Claude Fable 5
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/* ==========================================================================
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asciigen — terminal instrument UI
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Themes are token sets on <html data-theme="...">.
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========================================================================== */
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:root {
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--font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas,
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"DejaVu Sans Mono", monospace;
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--ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
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--art-base: 15px;
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}
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/* --------------------------------------------------------------------------
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Theme tokens
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-------------------------------------------------------------------------- */
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/* graphite — modern dark: warm near-black, bone ink, ember accent */
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:root,
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[data-theme="graphite"] {
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--bg: #101211;
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--panel: #0a0c0b;
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--ink: #e9e4d6;
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--dim: #98937f;
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--accent: #ff6b35;
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--accent-ink: #14100c;
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--line: #2b2f2c;
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--dot: rgba(233, 228, 214, 0.05);
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--glow: none;
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--scan: 0;
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--sel: rgba(255, 107, 53, 0.28);
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}
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/* paper — modern light: warm paper, near-black ink, persimmon accent */
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[data-theme="paper"] {
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--bg: #f2eee3;
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--panel: #faf7ee;
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--ink: #211f18;
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--dim: #6e6a5c;
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--accent: #b93a20;
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--accent-ink: #faf7ee;
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--line: #d5cfba;
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--dot: rgba(33, 31, 24, 0.07);
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--glow: none;
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--scan: 0;
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--sel: rgba(185, 58, 32, 0.2);
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}
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/* phosphor — P1 green terminal */
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[data-theme="phosphor"] {
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--bg: #041007;
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--panel: #020a04;
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--ink: #46e883;
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--dim: #2f9e5c;
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--accent: #46e883;
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--accent-ink: #041007;
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--line: #10381e;
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--dot: rgba(70, 232, 131, 0.05);
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--glow: 0 0 6px rgba(70, 232, 131, 0.55);
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--scan: 0.14;
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--sel: rgba(70, 232, 131, 0.25);
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}
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/* amber — P3 amber CRT */
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[data-theme="amber"] {
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--bg: #150d02;
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--panel: #0e0801;
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--ink: #ffb300;
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--dim: #b57f14;
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--accent: #ffb300;
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--accent-ink: #150d02;
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--line: #453006;
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--dot: rgba(255, 179, 0, 0.05);
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--glow: 0 0 6px rgba(255, 179, 0, 0.5);
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--scan: 0.14;
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--sel: rgba(255, 179, 0, 0.25);
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}
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/* --------------------------------------------------------------------------
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Base
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-------------------------------------------------------------------------- */
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*,
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*::before,
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*::after {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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html {
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height: 100%;
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}
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body {
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min-height: 100dvh;
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font-family: var(--font-mono);
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font-size: 14px;
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line-height: 1.5;
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background-color: var(--bg);
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/* subtle dot-grid texture */
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background-image: radial-gradient(var(--dot) 1px, transparent 1px);
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background-size: 22px 22px;
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color: var(--ink);
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transition: background-color 0.25s ease, color 0.25s ease;
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overflow-x: hidden;
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}
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::selection {
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background: var(--sel);
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}
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button {
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font-family: inherit;
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}
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:focus-visible {
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outline: 2px dashed var(--accent);
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outline-offset: 3px;
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}
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/* --------------------------------------------------------------------------
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Ambient layers: scanlines (CRT themes) + drifting glyphs
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-------------------------------------------------------------------------- */
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.scan {
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position: fixed;
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inset: 0;
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z-index: 50;
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pointer-events: none;
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opacity: var(--scan);
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background:
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repeating-linear-gradient(
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0deg,
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rgba(0, 0, 0, 0.55) 0 1px,
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transparent 1px 3px
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),
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radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.35) 100%);
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transition: opacity 0.25s ease;
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}
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.drift {
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position: fixed;
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inset: 0;
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z-index: 0;
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pointer-events: none;
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overflow: hidden;
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}
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.drift span {
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position: absolute;
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top: 105%;
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left: var(--x);
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font-size: calc(14px * var(--s));
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color: var(--ink);
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opacity: 0.07;
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animation: rise var(--d) linear var(--dl) infinite;
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text-shadow: var(--glow);
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}
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@keyframes rise {
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to {
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transform: translateY(-130vh) rotate(8deg);
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}
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}
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/* --------------------------------------------------------------------------
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Shell
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-------------------------------------------------------------------------- */
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.app {
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position: relative;
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z-index: 1;
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max-width: 1060px;
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margin: 0 auto;
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padding: 0 clamp(16px, 4vw, 40px);
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min-height: 100dvh;
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display: flex;
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flex-direction: column;
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}
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/* topbar ------------------------------------------------------------------ */
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.topbar {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 16px;
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flex-wrap: wrap;
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padding: 18px 0 14px;
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border-bottom: 1px solid var(--line);
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}
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.brand {
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display: flex;
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align-items: baseline;
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gap: 10px;
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}
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.brand-mark {
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color: var(--accent);
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font-size: 18px;
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text-shadow: var(--glow);
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}
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.brand-name {
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font-size: 17px;
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font-weight: 700;
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letter-spacing: 0.22em;
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text-transform: uppercase;
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text-shadow: var(--glow);
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}
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.brand-tag {
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font-size: 11px;
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color: var(--dim);
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letter-spacing: 0.08em;
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}
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.themes {
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display: flex;
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gap: 8px;
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}
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.theme-btn {
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width: 26px;
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height: 26px;
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padding: 4px;
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background: transparent;
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border: 1px solid var(--line);
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cursor: pointer;
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transition: border-color 0.15s ease, transform 0.15s var(--ease-out-expo);
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}
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.theme-btn:hover {
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transform: translateY(-2px);
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border-color: var(--dim);
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}
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.theme-btn.is-active {
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border-color: var(--accent);
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}
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.theme-btn .sw {
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display: block;
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width: 100%;
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height: 100%;
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}
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.theme-btn[data-set-theme="graphite"] .sw { background: linear-gradient(135deg, #101211 55%, #ff6b35 55%); }
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.theme-btn[data-set-theme="paper"] .sw { background: linear-gradient(135deg, #f2eee3 55%, #b93a20 55%); }
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.theme-btn[data-set-theme="phosphor"] .sw { background: linear-gradient(135deg, #041007 55%, #46e883 55%); }
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.theme-btn[data-set-theme="amber"] .sw { background: linear-gradient(135deg, #150d02 55%, #ffb300 55%); }
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/* stage: asymmetric rail + canvas ----------------------------------------- */
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.stage {
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flex: 1;
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display: grid;
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grid-template-columns: 190px minmax(0, 1fr);
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gap: clamp(24px, 5vw, 56px);
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align-items: start;
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padding: clamp(24px, 5vh, 48px) 0;
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}
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.stage > * {
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min-width: 0;
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}
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.rail-label {
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font-size: 10px;
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letter-spacing: 0.35em;
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text-transform: uppercase;
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color: var(--dim);
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margin-bottom: 12px;
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}
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.cats {
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display: flex;
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flex-direction: column;
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border-left: 1px solid var(--line);
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}
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.cat {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 9px 12px;
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background: transparent;
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border: none;
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border-left: 2px solid transparent;
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margin-left: -1px;
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color: var(--dim);
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font-size: 13px;
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letter-spacing: 0.12em;
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text-transform: uppercase;
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text-align: left;
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cursor: pointer;
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transition: color 0.15s ease, transform 0.2s var(--ease-out-expo),
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border-color 0.15s ease;
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}
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.cat:hover {
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color: var(--ink);
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transform: translateX(3px);
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}
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.cat-cursor {
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opacity: 0;
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transform: translateX(-4px);
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transition: opacity 0.15s ease, transform 0.2s var(--ease-out-expo);
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color: var(--accent);
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}
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.cat.is-active {
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color: var(--ink);
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border-left-color: var(--accent);
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}
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.cat.is-active .cat-cursor,
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.cat:hover .cat-cursor {
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opacity: 1;
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transform: translateX(0);
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}
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.hints {
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margin-top: 36px;
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font-size: 11px;
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color: var(--dim);
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display: flex;
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flex-direction: column;
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gap: 6px;
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}
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kbd {
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font-family: inherit;
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border: 1px solid var(--line);
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padding: 1px 5px;
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font-size: 10px;
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color: var(--ink);
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}
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/* canvas ------------------------------------------------------------------ */
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.canvas {
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min-width: 0;
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}
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.frame {
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position: relative;
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background: var(--panel);
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border: 1px solid var(--line);
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padding: clamp(18px, 3.5vw, 40px);
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transition: background-color 0.25s ease, border-color 0.25s ease;
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}
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.corner {
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position: absolute;
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width: 14px;
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height: 14px;
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border-color: var(--accent);
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border-style: solid;
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border-width: 0;
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}
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.c-tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
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.c-tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
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.c-bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
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.c-br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }
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.art-scroll {
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overflow-x: auto;
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display: grid;
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justify-items: center;
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min-height: 240px;
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align-items: center;
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}
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#art {
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font-family: var(--font-mono);
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font-size: var(--art-base);
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line-height: 1.25;
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white-space: pre;
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text-shadow: var(--glow);
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}
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/* status readout ----------------------------------------------------------- */
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.status {
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display: flex;
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align-items: baseline;
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gap: 10px;
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padding: 10px 2px;
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font-size: 11px;
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letter-spacing: 0.1em;
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text-transform: uppercase;
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color: var(--dim);
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}
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.st-title {
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color: var(--ink);
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}
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.st-msg {
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margin-left: auto;
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transition: color 0.2s ease;
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}
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.st-msg.is-hot {
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color: var(--accent);
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text-shadow: var(--glow);
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}
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/* actions ------------------------------------------------------------------ */
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.actions {
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display: flex;
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gap: 12px;
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margin-top: 8px;
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}
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.btn {
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display: inline-flex;
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align-items: center;
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gap: 10px;
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padding: 13px 26px;
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font-size: 13px;
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letter-spacing: 0.18em;
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text-transform: uppercase;
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background: transparent;
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color: var(--accent);
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border: 1px solid var(--accent);
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border-radius: 0;
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cursor: pointer;
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transition: transform 0.18s var(--ease-out-expo), background-color 0.15s ease,
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color 0.15s ease, box-shadow 0.18s ease;
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}
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.btn:hover {
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transform: translateY(-2px);
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box-shadow: 0 4px 0 -1px var(--accent);
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}
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.btn:active {
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transform: translateY(1px) scale(0.98);
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box-shadow: none;
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}
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.btn-glyph {
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transition: transform 0.2s var(--ease-out-expo);
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}
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.btn:hover .btn-glyph {
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transform: translateX(3px);
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}
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.btn-primary {
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background: var(--accent);
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color: var(--accent-ink);
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}
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.btn[disabled] {
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opacity: 0.55;
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cursor: wait;
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transform: none;
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box-shadow: none;
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}
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/* footer ------------------------------------------------------------------- */
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.foot {
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display: flex;
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justify-content: space-between;
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gap: 12px;
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flex-wrap: wrap;
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padding: 14px 0 18px;
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border-top: 1px solid var(--line);
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font-size: 11px;
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letter-spacing: 0.08em;
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color: var(--dim);
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}
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/* --------------------------------------------------------------------------
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Responsive
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-------------------------------------------------------------------------- */
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@media (max-width: 760px) {
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.stage {
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grid-template-columns: 1fr;
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gap: 20px;
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padding-top: 20px;
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}
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.rail-label {
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margin-bottom: 8px;
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}
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.cats {
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flex-direction: row;
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overflow-x: auto;
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border-left: none;
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border-bottom: 1px solid var(--line);
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padding-bottom: 8px;
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gap: 4px;
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scrollbar-width: thin;
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}
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.cat {
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border-left: none;
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border-bottom: 2px solid transparent;
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margin-left: 0;
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white-space: nowrap;
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padding: 7px 10px;
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}
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.cat.is-active {
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border-bottom-color: var(--accent);
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}
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.cat:hover {
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transform: none;
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}
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||||
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.hints {
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display: none;
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||||
}
|
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.actions {
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flex-direction: column;
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||||
}
|
||||
|
||||
.btn {
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justify-content: center;
|
||||
}
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||||
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||||
.art-scroll {
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||||
min-height: 180px;
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||||
}
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||||
}
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||||
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/* --------------------------------------------------------------------------
|
||||
Reduced motion
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||||
-------------------------------------------------------------------------- */
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|
||||
@media (prefers-reduced-motion: reduce) {
|
||||
*,
|
||||
*::before,
|
||||
*::after {
|
||||
animation-duration: 0.01ms !important;
|
||||
animation-iteration-count: 1 !important;
|
||||
transition-duration: 0.01ms !important;
|
||||
}
|
||||
|
||||
.drift {
|
||||
display: none;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,227 @@
|
||||
/* asciigen frontend — vanilla JS, no dependencies. */
|
||||
(function () {
|
||||
"use strict";
|
||||
|
||||
var artEl = document.getElementById("art");
|
||||
var scrollEl = document.getElementById("artScroll");
|
||||
var stTitle = document.getElementById("stTitle");
|
||||
var stDims = document.getElementById("stDims");
|
||||
var stMsg = document.getElementById("stMsg");
|
||||
var genBtn = document.getElementById("genBtn");
|
||||
var copyBtn = document.getElementById("copyBtn");
|
||||
var copyLabel = document.getElementById("copyLabel");
|
||||
|
||||
var current = window.__initial || { art: artEl.textContent, title: "", cols: 0, rows: 0 };
|
||||
var activeCat = "any";
|
||||
var busy = false;
|
||||
var msgTimer = null;
|
||||
|
||||
var reduceMotion = window.matchMedia("(prefers-reduced-motion: reduce)");
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Fit-to-width: scale art font down so the widest line fits the frame,
|
||||
flooring at a readable minimum (horizontal scroll takes over below).
|
||||
--------------------------------------------------------------------- */
|
||||
var ART_BASE = 15;
|
||||
var ART_MIN = 7;
|
||||
|
||||
function fitArt() {
|
||||
artEl.style.fontSize = ART_BASE + "px";
|
||||
var avail = scrollEl.clientWidth;
|
||||
var need = artEl.scrollWidth;
|
||||
if (need > avail && need > 0) {
|
||||
var size = Math.max(ART_MIN, Math.floor(ART_BASE * (avail / need) * 10) / 10);
|
||||
artEl.style.fontSize = size + "px";
|
||||
}
|
||||
}
|
||||
|
||||
var resizeTimer = null;
|
||||
window.addEventListener("resize", function () {
|
||||
clearTimeout(resizeTimer);
|
||||
resizeTimer = setTimeout(fitArt, 120);
|
||||
});
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Scramble-resolve transition. Whitespace stays fixed so the silhouette
|
||||
appears instantly; visible characters resolve at staggered times.
|
||||
--------------------------------------------------------------------- */
|
||||
var GLYPHS = "#@%&$?!<>[]{}/\\|=+*~^;:";
|
||||
|
||||
function setArt(text) {
|
||||
artEl.textContent = text;
|
||||
fitArt();
|
||||
if (reduceMotion.matches) {
|
||||
return Promise.resolve();
|
||||
}
|
||||
var chars = Array.from(text);
|
||||
var resolveAt = chars.map(function (c) {
|
||||
return c === "\n" || c === " " ? 0 : 120 + Math.random() * 480;
|
||||
});
|
||||
var t0 = performance.now();
|
||||
return new Promise(function (done) {
|
||||
function frame(t) {
|
||||
var dt = t - t0;
|
||||
var out = "";
|
||||
var pending = false;
|
||||
for (var i = 0; i < chars.length; i++) {
|
||||
var c = chars[i];
|
||||
if (c === "\n" || c === " " || dt >= resolveAt[i]) {
|
||||
out += c;
|
||||
} else {
|
||||
pending = true;
|
||||
out += GLYPHS[(Math.random() * GLYPHS.length) | 0];
|
||||
}
|
||||
}
|
||||
artEl.textContent = out;
|
||||
if (pending) {
|
||||
requestAnimationFrame(frame);
|
||||
} else {
|
||||
artEl.textContent = text;
|
||||
done();
|
||||
}
|
||||
}
|
||||
requestAnimationFrame(frame);
|
||||
});
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Status readout
|
||||
--------------------------------------------------------------------- */
|
||||
function msg(text, hot) {
|
||||
clearTimeout(msgTimer);
|
||||
stMsg.textContent = text;
|
||||
stMsg.classList.toggle("is-hot", !!hot);
|
||||
if (hot) {
|
||||
msgTimer = setTimeout(function () {
|
||||
stMsg.textContent = "ready";
|
||||
stMsg.classList.remove("is-hot");
|
||||
}, 1600);
|
||||
}
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Generate
|
||||
--------------------------------------------------------------------- */
|
||||
function generate() {
|
||||
if (busy) return;
|
||||
busy = true;
|
||||
genBtn.disabled = true;
|
||||
msg("tuning…", true);
|
||||
var q = activeCat === "any" ? "" : "?category=" + encodeURIComponent(activeCat);
|
||||
fetch("/api/random" + q)
|
||||
.then(function (r) {
|
||||
if (!r.ok) throw new Error("http " + r.status);
|
||||
return r.json();
|
||||
})
|
||||
.then(function (d) {
|
||||
current = d;
|
||||
stTitle.textContent = d.title;
|
||||
stDims.textContent = d.cols + "×" + d.rows;
|
||||
return setArt(d.art);
|
||||
})
|
||||
.then(function () {
|
||||
msg("ready");
|
||||
})
|
||||
.catch(function () {
|
||||
msg("signal lost", true);
|
||||
})
|
||||
.then(function () {
|
||||
busy = false;
|
||||
genBtn.disabled = false;
|
||||
});
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Copy to clipboard (with execCommand fallback for non-secure contexts)
|
||||
--------------------------------------------------------------------- */
|
||||
function copyArt() {
|
||||
var text = current.art || artEl.textContent;
|
||||
var ok = function () {
|
||||
copyLabel.textContent = "copied ✓";
|
||||
msg("copied", true);
|
||||
setTimeout(function () { copyLabel.textContent = "copy"; }, 1400);
|
||||
};
|
||||
if (navigator.clipboard && window.isSecureContext) {
|
||||
navigator.clipboard.writeText(text).then(ok, function () { fallbackCopy(text, ok); });
|
||||
} else {
|
||||
fallbackCopy(text, ok);
|
||||
}
|
||||
}
|
||||
|
||||
function fallbackCopy(text, ok) {
|
||||
var ta = document.createElement("textarea");
|
||||
ta.value = text;
|
||||
ta.style.position = "fixed";
|
||||
ta.style.opacity = "0";
|
||||
document.body.appendChild(ta);
|
||||
ta.select();
|
||||
try {
|
||||
document.execCommand("copy");
|
||||
ok();
|
||||
} catch (e) {
|
||||
msg("copy failed", true);
|
||||
}
|
||||
document.body.removeChild(ta);
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Categories
|
||||
--------------------------------------------------------------------- */
|
||||
var catBtns = Array.prototype.slice.call(document.querySelectorAll(".cat"));
|
||||
catBtns.forEach(function (btn) {
|
||||
btn.addEventListener("click", function () {
|
||||
activeCat = btn.dataset.cat;
|
||||
catBtns.forEach(function (b) { b.classList.toggle("is-active", b === btn); });
|
||||
generate();
|
||||
});
|
||||
});
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Themes
|
||||
--------------------------------------------------------------------- */
|
||||
var THEMES = ["graphite", "paper", "phosphor", "amber"];
|
||||
var themeBtns = Array.prototype.slice.call(document.querySelectorAll(".theme-btn"));
|
||||
|
||||
function applyTheme(name) {
|
||||
document.documentElement.dataset.theme = name;
|
||||
try { localStorage.setItem("asciigen.theme", name); } catch (e) {}
|
||||
themeBtns.forEach(function (b) {
|
||||
b.classList.toggle("is-active", b.dataset.setTheme === name);
|
||||
});
|
||||
}
|
||||
|
||||
themeBtns.forEach(function (btn) {
|
||||
btn.addEventListener("click", function () { applyTheme(btn.dataset.setTheme); });
|
||||
});
|
||||
|
||||
function cycleTheme() {
|
||||
var cur = document.documentElement.dataset.theme;
|
||||
var idx = THEMES.indexOf(cur);
|
||||
applyTheme(THEMES[(idx + 1) % THEMES.length]);
|
||||
}
|
||||
|
||||
/* mark the boot theme's button as active */
|
||||
applyTheme(document.documentElement.dataset.theme || "graphite");
|
||||
|
||||
/* ---------------------------------------------------------------------
|
||||
Keyboard: space = generate, c = copy, t = cycle theme
|
||||
--------------------------------------------------------------------- */
|
||||
document.addEventListener("keydown", function (e) {
|
||||
if (e.repeat || e.metaKey || e.ctrlKey || e.altKey) return;
|
||||
var tag = (e.target.tagName || "").toLowerCase();
|
||||
var interactive = tag === "button" || tag === "input" || tag === "textarea" || tag === "select";
|
||||
if (e.code === "Space" && !interactive) {
|
||||
e.preventDefault();
|
||||
generate();
|
||||
} else if (e.key === "c" && !interactive) {
|
||||
copyArt();
|
||||
} else if (e.key === "t" && !interactive) {
|
||||
cycleTheme();
|
||||
}
|
||||
});
|
||||
|
||||
genBtn.addEventListener("click", generate);
|
||||
copyBtn.addEventListener("click", copyArt);
|
||||
|
||||
fitArt();
|
||||
})();
|
||||
Reference in New Issue
Block a user