:root{color-scheme:light;--bg: #edf3f9;--bg-strong: #dde7f2;--surface: #ffffff;--surface-muted: #f5f8fc;--surface-accent: #ebf4fc;--line: #cad5e1;--line-strong: #9eb1c4;--text: #1a3146;--text-strong: #0f2236;--text-muted: #61778f;--accent: #1e79b8;--accent-strong: #0e6aa8;--accent-soft: #d9edf9;--success: #309247;--success-soft: #e8f7eb;--danger: #cd4f4f;--danger-soft: #fdecec;--gold: #f0b744;--gold-deep: #d49313;--tile-purple-top: #7a42be;--tile-purple-bottom: #592493;--tile-gold-top: #ffd25d;--tile-gold-bottom: #f0aa18;--tw: #c43c34;--dw: #f3b7c2;--tl: #1f80bc;--dl: #a7dced;--star: #f8df74;--shadow: 0 18px 42px rgba(35, 67, 103, .12);--shadow-soft: 0 8px 20px rgba(35, 67, 103, .08);--radius: 20px;--board-radius: 24px;--cell-size: clamp(24px, 4.5vw, 40px);--cell-gap: clamp(2px, .55vw, 4px);--rack-tile-size: clamp(48px, 8vw, 64px);--coord-size: 22px;font-family:Avenir Next,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at top left,rgba(71,139,193,.12),transparent 30%),linear-gradient(180deg,#f8fbfe 0%,var(--bg) 56%,#e3ecf5 100%);color:var(--text)}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid rgba(30,121,184,.28);outline-offset:2px}.app-shell{width:min(1320px,calc(100vw - 28px));margin:0 auto;padding:20px 0 36px}.app-header{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px}.app-header h1,.hero-card h1,.panel h2,.panel h3{margin:0;color:var(--text-strong)}.header-subtitle,.lede,.meta-text,.history-row span,.summary-line,.presence-card p,.empty-state p{color:var(--text-muted)}.eyebrow{margin:0 0 6px;color:var(--gold-deep);text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;font-weight:800}.hero-card,.panel,.modal-card,.rack-shell,.board-stage{background:var(--surface);border:1px solid rgba(202,213,225,.92);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.hero-card{display:grid;grid-template-columns:1.2fr minmax(320px,420px);gap:28px;padding:32px}.hero-copy h1{font-size:clamp(2rem,5vw,4rem);line-height:.93;max-width:10ch}.guest-form,.inline-form,.list-stack,.history-list,.score-stack,.panel{display:grid;gap:14px}.field span,.meta-grid span,.score-card span{display:block;margin-bottom:6px;color:var(--text-muted);font-size:.82rem}.field input,.inline-form input{width:100%;min-height:52px;padding:0 14px;border-radius:14px;border:1px solid var(--line);background:#fbfdff;color:var(--text);box-shadow:inset 0 1px #fffc}.primary-button,.ghost-button{min-height:46px;padding:0 16px;border-radius:12px;border:1px solid transparent;transition:transform .14s ease,box-shadow .14s ease,background-color .14s ease,border-color .14s ease}.primary-button{background:linear-gradient(180deg,#2c90d6,var(--accent));color:#fff;font-weight:800;box-shadow:0 10px 18px #1e79b833}.ghost-button{background:linear-gradient(180deg,#fff,#f4f8fc);border-color:var(--line);color:var(--text)}.ghost-button.danger{border-color:#cd4f4f47;color:var(--danger)}.primary-button:hover,.ghost-button:hover{transform:translateY(-1px);box-shadow:0 10px 20px #284c701f}.screen-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.panel{padding:20px}.panel-tight{padding:18px}.panel-head,.rack-head,.action-row,.history-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-accent{border-color:#1e79b842;box-shadow:0 14px 30px #1e79b814}.action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.presence-card,.challenge-card,.score-card,.pill-banner,.history-row,.connection-banner{border:1px solid var(--line);border-radius:16px;background:var(--surface-muted)}.presence-card,.challenge-card,.pill-banner,.history-row{padding:14px 16px}.presence-card,.challenge-card{display:flex;justify-content:space-between;align-items:center;gap:12px}.status-dot{display:inline-block;width:10px;height:10px;border-radius:999px;margin-right:8px}.status-available{background:var(--success)}.status-away,.status-inviting{background:var(--gold)}.status-queued,.status-in_game{background:var(--accent)}.empty-state{padding:24px;border:1px dashed var(--line);border-radius:18px;background:#ffffff9e}.empty-state.compact{padding:16px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}.side-panel{order:2;display:grid;gap:18px}.board-panel{order:1;display:grid;gap:14px}.room-summary-card .summary-line{margin:6px 0 0}.history-card{min-height:0}.history-list-scroll{max-height:320px;overflow:auto;padding-right:4px}.history-row-vertical{display:grid;justify-items:start;align-items:start;gap:4px}.board-stage{display:grid;gap:16px;padding:18px}.board-stage-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.board-stage-head h2{font-size:clamp(1.05rem,2vw,1.38rem)}.board-stage-meta{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.connection-banner{padding:12px 16px;background:linear-gradient(180deg,#f6fbff,#ebf4fc);color:var(--accent-strong);border-color:#bfd4e8;font-weight:700}.connection-banner.is-reconnecting{border-color:#cd4f4f47;background:linear-gradient(180deg,#fff6f6,var(--danger-soft));color:var(--danger)}.connection-banner.is-connected{border-color:#bfd4e8;color:var(--accent-strong)}.board-shell{display:grid;gap:8px;min-width:max-content;justify-content:center}.board-coordinate-row{display:grid;grid-template-columns:var(--coord-size) repeat(15,var(--cell-size));gap:var(--cell-gap);align-items:center}.board-grid-frame{display:grid;grid-template-columns:var(--coord-size) auto;gap:8px;align-items:start}.board-coordinate-column{display:grid;grid-template-rows:repeat(15,var(--cell-size));gap:var(--cell-gap)}.board-coordinate-spacer,.board-coordinate-label,.board-row-label{display:grid;place-items:center;min-height:var(--coord-size);color:#72859a;font-size:.78rem;font-weight:800}.board-wrap{overflow:auto;display:flex;justify-content:center;border-radius:var(--board-radius);border:1px solid #bfd0df;background:linear-gradient(180deg,#eef4f9,#e2ebf5);padding:10px;box-shadow:inset 0 1px #ffffffd1}.scrabble-board{display:grid;grid-template-columns:repeat(15,var(--cell-size));gap:var(--cell-gap);width:max-content}.board-cell{width:var(--cell-size);height:var(--cell-size);padding:0;border:1px solid #c1cad4;border-radius:9px;background:#fff;color:#536677;display:grid;place-items:center;box-shadow:inset 0 -2px #1128410f;transform:translateZ(0);transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.board-cell:hover{transform:translateY(-1px);border-color:#76abd3;box-shadow:0 5px 12px #1f538929}.board-cell.premium-tw{background:linear-gradient(180deg,#d35a53,var(--tw));border-color:#aa2f29;color:#fff}.board-cell.premium-dw,.board-cell.premium-star{background:linear-gradient(180deg,#ffd8df,var(--dw));border-color:#df91a2;color:#8f4757}.board-cell.premium-tl{background:linear-gradient(180deg,#55a8dc,var(--tl));border-color:#1b6799;color:#fff}.board-cell.premium-dl{background:linear-gradient(180deg,#dcf4fb,var(--dl));border-color:#84bdd2;color:#1d6887}.board-cell.premium-star{box-shadow:inset 0 0 0 1px #ffffff59,0 0 0 2px #f8df7447}.board-cell.is-locked,.board-cell.is-pending{border-color:transparent;background:transparent;box-shadow:none}.premium-label{font-size:.54rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.board-cell.premium-star .premium-label{font-size:1rem;letter-spacing:0}.tile-face{width:100%;height:100%;display:grid;place-items:center;border-radius:8px;position:relative;background:linear-gradient(180deg,var(--tile-gold-top),var(--tile-gold-bottom));color:#6d3d08;border:1px solid rgba(154,95,9,.22);box-shadow:0 5px 14px #dda32242,inset 0 -2px #8a5a072e;text-transform:uppercase}.tile-face.is-locked{background:linear-gradient(180deg,var(--tile-purple-top),var(--tile-purple-bottom));color:#fff;border-color:#3f177575;box-shadow:0 8px 18px #6137a638,inset 0 -2px #280a5047}.tile-face strong{font-size:clamp(.82rem,1.7vw,1.02rem);font-weight:800}.tile-face small{position:absolute;right:5px;bottom:3px;font-size:.52rem;color:inherit;opacity:.86}.rack-shell{padding:18px;display:grid;gap:14px}.rack-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.rack-tile{width:var(--rack-tile-size);min-height:var(--rack-tile-size);border-radius:16px;border:1px solid rgba(63,23,117,.32);background:linear-gradient(180deg,var(--tile-purple-top),var(--tile-purple-bottom));color:#fff;display:grid;place-items:center;position:relative;box-shadow:0 8px 18px #6137a633,inset 0 -2px #280a5047;transition:transform .14s ease,box-shadow .14s ease,opacity .14s ease}.rack-tile small{position:absolute;right:8px;bottom:6px;color:#ffffffd6}.rack-tile.is-selected,.rack-tile.is-exchange{transform:translateY(-4px);box-shadow:0 14px 26px #28609238,inset 0 -2px #280a5047}.rack-tile.is-exchange{background:linear-gradient(180deg,var(--tile-gold-top),var(--tile-gold-bottom));color:#6d3d08;border-color:#9a5f093d}.rack-tile.is-exchange small{color:#6d3d08d1}.rack-tile.is-pending{opacity:.36}.score-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px 16px;background:linear-gradient(180deg,#fbfdff,#eff5fb)}.score-card strong{font-size:1.75rem;color:var(--accent-strong)}.score-card.is-active{border-color:#3092475c;background:linear-gradient(180deg,#f2fbf3,var(--success-soft))}.score-card.is-active strong{color:var(--success)}.meta-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.meta-grid strong{font-size:1.15rem;color:var(--text-strong)}.bag-card{gap:16px}.bag-letter-block{display:grid;gap:8px;padding:12px 14px;border-radius:16px;border:1px solid var(--line);background:var(--surface-muted)}.bag-letter-row{font-family:ui-monospace,SFMono-Regular,SF Mono,Consolas,monospace;font-size:.9rem;letter-spacing:.14em;color:#425a72}.bag-bars{display:flex;overflow:hidden;border-radius:999px;border:1px solid var(--line)}.bag-bar{min-width:0;padding:10px 12px;text-align:center;font-size:.82rem;font-weight:800}.bag-bar-vowels{background:#d2ecfb;color:#125f8f}.bag-bar-consonants{background:#1979b7;color:#fff}.modal-overlay{position:fixed;inset:0;background:#1222347a;display:grid;place-items:center;padding:20px}.modal-card{width:min(100%,540px);padding:20px}.blank-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:18px 0}.error-text,.global-error{color:var(--danger)}.global-error{margin-bottom:14px;padding:12px 16px;border:1px solid rgba(205,79,79,.26);border-radius:16px;background:var(--danger-soft)}.top-status,.meta-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--surface-accent);color:var(--accent-strong);font-weight:700}.room-actions{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:1080px){.hero-card,.screen-grid,.game-layout{grid-template-columns:1fr}.app-header{flex-direction:column;align-items:flex-start}.side-panel{order:2}.board-panel{order:1}}@media(max-width:760px){.app-shell{width:min(100vw - 18px,100%);padding-top:12px}.panel,.hero-card,.rack-shell,.board-stage{padding:16px}.panel-head,.rack-head,.board-stage-head{flex-direction:column;align-items:flex-start}.board-stage-meta{justify-content:flex-start}.action-grid,.room-actions{grid-template-columns:1fr}.blank-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}