/* TGPlay Chess — design system components. * * All rules are scoped to .tgc so they coexist peacefully with the legacy * main.css until the migration is complete. To opt a page into the new * design system, add `class="tgc"` to (or any wrapper). * * Sections: * 1. Reset & base (scoped) * 2. Layout: shell / page / screen * 3. Buttons & primitives (chip, dot) * 4. Topbar * 5. Sidebar * 6. Card / Mode card / Stat tile * 7. Player strip & captured rack * 8. Chess board * 9. Helpers (typography, scroller, eyebrow, section-title) */ /* --- 1. Reset & base ------------------------------------- */ .tgc, .tgc *, .tgc *::before, .tgc *::after { box-sizing: border-box; } .tgc { font-family: var(--font-body); font-size: 14px; line-height: 1.5; color: var(--text-1); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .tgc button, .tgc input, .tgc select, .tgc textarea { font: inherit; color: inherit; } .tgc button { cursor: pointer; border: none; background: none; padding: 0; } .tgc a { color: inherit; text-decoration: none; } /* --- 2. Layout ------------------------------------------- */ .tgc .screen { width: 100%; min-height: 100vh; background: var(--ink-0); color: var(--text-1); position: relative; overflow: hidden; } .tgc .screen::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(60% 40% at 80% -10%, oklch(0.45 0.22 var(--hue-primary) / 0.18), transparent 60%), radial-gradient(40% 30% at 10% 0%, oklch(0.45 0.22 calc(var(--hue-primary) + 60) / 0.10), transparent 60%); pointer-events: none; z-index: 0; } .tgc .shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; position: relative; z-index: 1; } .tgc .shell--no-side { grid-template-columns: 1fr; } .tgc .page { overflow-y: auto; overflow-x: hidden; min-height: 100vh; padding: 0 var(--page-pad) 40px; } .tgc .page__inner { max-width: 1100px; margin: 0 auto; } /* --- 3. Buttons & primitives ----------------------------- */ .tgc .btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; min-height: 40px; background: var(--brand); color: white; border-radius: 10px; font-weight: 600; box-shadow: 0 8px 20px -8px var(--brand-glow); transition: transform .1s var(--tap), background .15s; } .tgc .btn-primary:hover { background: var(--brand-hi); transform: translateY(-1px); } .tgc .btn-amber { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; min-height: 40px; background: var(--amber); color: oklch(0.2 0.04 55); border-radius: 10px; font-weight: 700; box-shadow: 0 8px 20px -8px var(--amber-glow); transition: transform .1s var(--tap); } .tgc .btn-amber:hover { transform: translateY(-1px); } .tgc .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; min-height: 40px; background: oklch(1 0 0 / 0.07); color: var(--text-1); border-radius: 10px; font-weight: 500; transition: background .15s; } .tgc .btn-ghost:hover { background: oklch(1 0 0 / 0.13); } .tgc .btn-danger { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; min-height: 40px; background: oklch(0.35 0.12 25 / 0.25); color: oklch(0.82 0.14 25); border: 1px solid oklch(0.5 0.2 25 / 0.3); border-radius: 10px; font-weight: 600; } .tgc .btn-danger:hover { background: oklch(0.4 0.14 25 / 0.35); } .tgc .chips { display: flex; gap: 8px; flex-wrap: wrap; } .tgc .chip { padding: 6px 12px; border-radius: 999px; background: var(--ink-2); border: 1px solid var(--ink-4); font-size: 12px; color: var(--text-2); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; transition: background .15s var(--tap), color .15s, border-color .15s; } .tgc .chip:hover { background: var(--ink-3); color: var(--text-1); } .tgc .chip--active { background: var(--brand); border-color: var(--brand); color: white; } .tgc .chip--amber { background: oklch(0.3 0.08 var(--hue-chess) / 0.2); border-color: oklch(0.5 0.15 var(--hue-chess) / 0.3); color: var(--amber); } .tgc .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; } .tgc .dot--live { background: var(--live); box-shadow: 0 0 8px var(--live); animation: tgc-pulse 1.6s infinite; } .tgc .dot--online { background: var(--live); } .tgc .dot--away { background: var(--amber); } @keyframes tgc-pulse { 0%,100%{opacity:1} 50%{opacity:.35} } /* --- 4. Topbar ------------------------------------------- */ .tgc .top { display: flex; align-items: center; gap: 12px; padding: 14px var(--page-pad); position: sticky; top: 0; z-index: 5; background: linear-gradient(180deg, var(--ink-0) 70%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); } .tgc .top__title { font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; } .tgc .top__title small { color: var(--text-3); font-weight: 500; font-family: var(--font-body); font-size: 12px; } .tgc .top__right { margin-left: auto; display: flex; align-items: center; gap: 8px; } .tgc .top__icon { width: 34px; height: 34px; border-radius: 10px; background: var(--ink-2); border: 1px solid var(--ink-4); color: var(--text-2); display: grid; place-items: center; transition: background .12s, color .12s; } .tgc .top__icon:hover { color: var(--text-1); background: var(--ink-3); } .tgc .top__avatar { display: flex; align-items: center; gap: 8px; padding: 4px 10px 4px 4px; height: 34px; border-radius: 100px; background: var(--ink-2); border: 1px solid var(--ink-4); font-size: 13px; font-weight: 600; } .tgc .top__avatar i { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--hot), oklch(0.55 0.22 40)); display: grid; place-items: center; color: white; font-size: 11px; font-weight: 700; font-style: normal; } /* --- 5. Sidebar ------------------------------------------ */ .tgc .side { height: 100vh; padding: 18px 14px; border-right: 1px solid var(--ink-4); background: linear-gradient(180deg, var(--ink-0) 0%, oklch(0.09 0.018 265) 100%); display: flex; flex-direction: column; gap: 14px; overflow-y: auto; position: sticky; top: 0; } .tgc .side__logo { display: flex; align-items: center; gap: 10px; padding: 2px 8px 14px; } .tgc .side__mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--brand-hi), var(--brand-lo)); display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; color: white; font-size: 13px; box-shadow: 0 6px 20px -6px var(--brand-glow); } .tgc .side__brand { font-family: var(--font-display); font-weight: 800; font-size: 17px; letter-spacing: -0.02em; } .tgc .side__brand span { color: var(--brand-hi); } .tgc .side__crumb { margin-left: auto; font-family: var(--font-display); font-size: 12px; font-weight: 600; color: var(--text-3); padding: 4px 8px; border-radius: 6px; background: var(--ink-2); display: flex; align-items: center; gap: 6px; } .tgc .side__back { color: var(--text-3); } .tgc .side__section { display: flex; flex-direction: column; gap: 2px; } .tgc .side__label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); padding: 6px 12px 4px; } .tgc .side__item { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text-2); font-size: 13px; font-weight: 500; width: 100%; text-align: left; position: relative; min-height: 36px; transition: background .15s, color .15s; } .tgc .side__item:hover { background: var(--ink-2); color: var(--text-1); } .tgc .side__item--active { background: var(--ink-2); color: var(--text-1); } .tgc .side__item--active::before { content: ''; position: absolute; left: -14px; top: 50%; transform: translateY(-50%); width: 3px; height: 18px; background: var(--brand); border-radius: 0 3px 3px 0; } .tgc .side__item i { width: 18px; display: inline-flex; justify-content: center; color: var(--text-3); font-style: normal; } .tgc .side__item--active i { color: var(--brand-hi); } .tgc .side__item u { margin-left: auto; font-size: 10px; color: var(--text-4); font-variant-numeric: tabular-nums; text-decoration: none; font-family: var(--font-mono); } .tgc .side__foot { margin-top: auto; padding: 12px; border-radius: var(--radius-md); background: linear-gradient(135deg, oklch(0.22 0.08 var(--hue-primary) / 0.3), oklch(0.18 0.05 var(--hue-primary) / 0.2)); border: 1px solid oklch(0.5 0.2 var(--hue-primary) / 0.2); } .tgc .side__foot h4 { margin: 0 0 2px; font-size: 12px; font-weight: 700; font-family: var(--font-display); } .tgc .side__foot p { margin: 0 0 8px; font-size: 11px; color: var(--text-2); line-height: 1.4; } .tgc .side__foot button { width: 100%; padding: 7px; border-radius: 6px; background: var(--brand); color: white; font-size: 11px; font-weight: 600; } /* --- 6. Card / Mode / Stat ------------------------------- */ .tgc .card { background: var(--ink-2); border: 1px solid var(--ink-4); border-radius: var(--radius-lg); overflow: hidden; position: relative; transition: transform .2s var(--tap), border-color .15s, box-shadow .2s; } .tgc .card:hover { transform: translateY(-2px); border-color: oklch(0.45 0.15 var(--hue-primary) / 0.5); box-shadow: var(--shadow-card); } .tgc .card__pad { padding: 18px; } .tgc .card__name { font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 2px; } .tgc .card__desc { font-size: 12px; color: var(--text-3); margin: 0; } .tgc .mode { display: flex; flex-direction: column; min-height: 180px; cursor: pointer; } .tgc .mode__hdr { display: flex; align-items: center; gap: 10px; padding: 16px 16px 0; } .tgc .mode__body { padding: 12px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; } .tgc .mode__icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: oklch(0.28 0.08 var(--hue-primary) / 0.5); color: var(--brand-hi); font-size: 17px; } .tgc .mode__icon--amber { background: oklch(0.32 0.08 var(--hue-chess) / 0.4); color: var(--amber); } .tgc .mode__icon--live { background: oklch(0.28 0.08 150 / 0.4); color: var(--live); } .tgc .mode__icon--hot { background: oklch(0.30 0.10 var(--hue-accent-hot) / 0.35); color: var(--hot); } .tgc .mode__title { font-family: var(--font-display); font-weight: 700; font-size: 16px; letter-spacing: -0.01em; } .tgc .mode__sub { font-size: 12px; color: var(--text-3); } .tgc .mode__meta { display: flex; gap: 12px; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); margin-top: auto; padding-top: 8px; border-top: 1px solid var(--ink-3); } .tgc .mode__meta b { color: var(--text-1); font-weight: 600; } .tgc .mode__motif { position: absolute; inset: 0; opacity: 0.08; pointer-events: none; } .tgc .stat { padding: 14px 16px; background: var(--ink-2); border: 1px solid var(--ink-4); border-radius: var(--radius-md); } .tgc .stat__v { font-family: var(--font-display); font-size: 22px; font-weight: 800; letter-spacing: -0.02em; } .tgc .stat__v--brand { color: var(--brand-hi); } .tgc .stat__v--amber { color: var(--amber); } .tgc .stat__v--live { color: var(--live); } .tgc .stat__k { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-top: 2px; } .tgc .stat__spark { height: 24px; margin-top: 6px; display: flex; align-items: flex-end; gap: 2px; } .tgc .stat__spark span { flex: 1; background: var(--brand-lo); border-radius: 1px; opacity: 0.6; } .tgc .stat__spark span:last-child { background: var(--brand-hi); opacity: 1; } /* --- 7. Player strip & rack ------------------------------ */ .tgc .pstrip { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--ink-2); border: 1px solid var(--ink-4); border-radius: var(--radius-md); } .tgc .pstrip--turn { border-color: oklch(0.5 0.18 var(--hue-chess) / 0.5); box-shadow: 0 0 0 1px oklch(0.5 0.18 var(--hue-chess) / 0.3), 0 10px 30px -12px var(--amber-glow); } .tgc .pstrip__avatar { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; font-weight: 700; color: white; background: linear-gradient(135deg, oklch(0.5 0.15 var(--hue-primary)), oklch(0.35 0.1 var(--hue-primary))); flex-shrink: 0; } .tgc .pstrip__avatar--bot { background: linear-gradient(135deg, oklch(0.5 0.1 210), oklch(0.32 0.08 210)); } .tgc .pstrip__avatar--you { background: linear-gradient(135deg, var(--hot), oklch(0.5 0.22 40)); } .tgc .pstrip__info { flex: 1; min-width: 0; } .tgc .pstrip__name { font-family: var(--font-display); font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 6px; } .tgc .pstrip__rating { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); } .tgc .pstrip__clock { font-family: var(--font-mono); font-size: 26px; font-weight: 700; letter-spacing: -0.02em; color: var(--text-1); padding: 4px 12px; background: oklch(0 0 0 / 0.3); border-radius: 8px; min-width: 96px; text-align: center; font-variant-numeric: tabular-nums; } .tgc .pstrip__clock--active { color: oklch(0.2 0.04 55); background: var(--amber); box-shadow: 0 0 24px -6px var(--amber-glow); } .tgc .pstrip__clock--low { color: oklch(0.85 0.16 25); } .tgc .rack { display: flex; flex-wrap: wrap; gap: 2px; align-items: center; min-height: 22px; font-size: 18px; line-height: 1; } .tgc .rack__plus { margin-left: 6px; font-size: 11px; font-family: var(--font-mono); color: var(--amber); font-weight: 700; } /* --- 8. Chess board (document-wide; no .tgc scope) ------ */ .board { display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(8, 1fr); aspect-ratio: 1; width: 100%; background: var(--sq-dark); border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 1px 0 oklch(1 0 0 / 0.06) inset, 0 20px 50px -20px oklch(0 0 0 / 0.8), 0 0 0 1px var(--ink-4); position: relative; user-select: none; /* Container queries let pieces auto-size to actual board width. */ container-type: inline-size; /* Block native browser drag of glyphs as fallback */ -webkit-user-select: none; touch-action: none; } .board__sq { position: relative; display: grid; place-items: center; font-size: 9.5cqi; /* fallback for older browsers handled below */ line-height: 1; transition: background .12s; } @supports not (font-size: 1cqi) { .board__sq { font-size: clamp(18px, 4vw, 44px); } } .board__sq--l { background: var(--sq-light); } .board__sq--d { background: var(--sq-dark); } .board__sq--sel-l { background: var(--sq-light-sel); } .board__sq--sel-d { background: var(--sq-dark-sel); } .board__sq--last-l { background: color-mix(in oklch, var(--sq-light) 60%, var(--sq-last)); } .board__sq--last-d { background: color-mix(in oklch, var(--sq-dark) 60%, var(--sq-last)); } .board__sq--check { background: var(--sq-check) !important; } .board__hint { position: absolute; width: 28%; height: 28%; border-radius: 50%; background: oklch(0 0 0 / 0.32); pointer-events: none; } .board__hint--capture { width: 82%; height: 82%; background: transparent; border: 4px solid oklch(0 0 0 / 0.3); } .board__piece { font-family: var(--font-piece); text-shadow: 0 2px 3px oklch(0 0 0 / 0.25); position: relative; z-index: 1; pointer-events: none; } .board__piece--w { color: oklch(0.98 0.01 90); } .board__piece--b { color: oklch(0.15 0.02 265); } /* Animated move: piece slides from origin square. JS sets --mx/--my. */ .board__piece--moving { --mx: 0px; --my: 0px; transition: transform 220ms cubic-bezier(0.2, 0.9, 0.2, 1); transform: translate(var(--mx), var(--my)); z-index: 2; } /* Drag ghost — fixed-position copy that follows the cursor. */ .board__drag { position: fixed; top: 0; left: 0; z-index: 9999; display: grid; place-items: center; pointer-events: none; font-family: var(--font-piece); text-shadow: 0 6px 10px oklch(0 0 0 / 0.5); transform: translate(-9999px, -9999px); /* hidden until first move event */ will-change: transform; } /* Coordinate overlay */ .board__rank, .board__file { position: absolute; font-size: 9px; font-weight: 700; font-family: var(--font-mono); opacity: 0.55; pointer-events: none; } .board__rank { top: 2px; left: 3px; } .board__file { bottom: 1px; right: 3px; } .board__sq--l .board__rank, .board__sq--l .board__file { color: var(--sq-dark); } .board__sq--d .board__rank, .board__sq--d .board__file { color: var(--sq-light); } /* Flipped: rotate the whole board. Pieces stay upright via inverse rotate. */ .board--flipped { transform: rotate(180deg); } .board--flipped .board__piece, .board--flipped .board__rank, .board--flipped .board__file, .board--flipped .board__hint { transform: rotate(180deg); } /* --- 9. Helpers ------------------------------------------ */ .tgc .font-display { font-family: var(--font-display); letter-spacing: -0.02em; } .tgc .font-mono { font-family: var(--font-mono); } .tgc .tabular { font-variant-numeric: tabular-nums; } .tgc .scroller::-webkit-scrollbar { width: 8px; height: 8px; } .tgc .scroller::-webkit-scrollbar-track { background: transparent; } .tgc .scroller::-webkit-scrollbar-thumb { background: var(--ink-4); border-radius: 4px; } .tgc .scroller::-webkit-scrollbar-thumb:hover { background: var(--ink-5); } .tgc .scroller { scrollbar-width: thin; scrollbar-color: var(--ink-4) transparent; } .tgc .page__eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brand-hi); } .tgc .page__eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-hi); box-shadow: 0 0 10px var(--brand-glow); } .tgc .section-title { display: flex; align-items: center; justify-content: space-between; margin: 26px 0 14px; } .tgc .section-title h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin: 0; letter-spacing: -0.01em; } .tgc .section-title a { color: var(--text-3); font-size: 12px; font-weight: 600; cursor: pointer; } .tgc .section-title a:hover { color: var(--text-1); }