:root{--bg: #f6f1e7;--bg-2: #e1efe8;--ink: #1d1a16;--muted: #6e665c;--accent: #e4572e;--accent-2: #1f6f8b;--accent-3: #f0b429;--panel: rgba(255, 255, 255, .75);--panel-strong: rgba(255, 255, 255, .92);--grid: #231f1a;--grid-soft: rgba(35, 31, 26, .25);--shadow: 0 20px 60px rgba(29, 26, 22, .18);--radius: 20px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Chivo,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,#fef8ed 0%,var(--bg) 45%,var(--bg-2) 100%);min-height:100%}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(0,0,0,.08) 1px,transparent 0);background-size:28px 28px;opacity:.15;pointer-events:none;mix-blend-mode:multiply}#app{min-height:100vh;display:flex;flex-direction:column}.app-shell{width:min(1200px,94vw);margin:0 auto;padding:32px 0 64px;display:flex;flex-direction:column;gap:28px}.app-header{align-items:center}.header-badge{justify-self:end}.page{display:grid;gap:28px;animation:pageEnter .7s ease}@keyframes pageEnter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.hero-title{font-family:Gloock,serif;font-size:clamp(2.6rem,4vw,4rem);letter-spacing:.02em;margin:0}.hero-subtitle{max-width:680px;font-size:1rem;color:var(--muted);line-height:1.6}.card{background:var(--panel);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid rgba(35,31,26,.08);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.section-title{font-family:Gloock,serif;margin:0 0 12px;font-size:1.4rem}.button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:999px;padding:12px 24px;font-weight:600;letter-spacing:.02em;background:var(--accent);color:#fff;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 12px 20px #e4572e4d}.button.secondary{background:var(--accent-2);box-shadow:0 12px 20px #1f6f8b40}.button.ghost{background:transparent;color:var(--ink);border:1px solid rgba(35,31,26,.2);box-shadow:none}.button:hover{transform:translateY(-2px)}.input,.select{width:100%;padding:12px 14px;border-radius:14px;border:1px solid rgba(35,31,26,.2);background:var(--panel-strong);font-size:.95rem}.inline-form{display:grid;gap:14px}.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.badge{display:inline-flex;align-items:center;gap:8px;background:#1f6f8b1f;color:var(--accent-2);border-radius:999px;padding:6px 12px;font-weight:600;font-size:.85rem}.room-code{font-size:2rem;letter-spacing:.25em;font-weight:700;background:#fff7e6;padding:16px 20px;border-radius:14px;border:1px dashed rgba(35,31,26,.25);display:inline-flex}.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.status-pill{background:#ffffffe6;padding:14px;border-radius:16px;border:1px solid rgba(35,31,26,.08)}.status-card{margin-bottom:18px;display:grid;gap:8px}.status-row{display:flex;justify-content:space-between;gap:12px}.game-layout{display:grid;grid-template-columns:minmax(280px,2fr) minmax(260px,1fr);gap:28px}.game-layout>*{min-width:0}@media (max-width: 900px){.game-layout{grid-template-columns:1fr}}.sudoku-board{width:min(100%,560px);margin:0 auto;position:relative;height:0;padding-top:100%;background:#fff;border-radius:18px;overflow:hidden;border:2px solid var(--grid);box-shadow:var(--shadow)}.sudoku-grid{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr))}.cell{display:flex;align-items:center;justify-content:center;font-size:clamp(.95rem,4.2vw,1.5rem);line-height:1;min-width:0;min-height:0;border-right:1px solid var(--grid-soft);border-bottom:1px solid var(--grid-soft);cursor:pointer;position:relative;font-weight:600}.cell.thick-right{border-right:2px solid var(--grid)}.cell.thick-bottom{border-bottom:2px solid var(--grid)}.cell.prefilled{background:#f2ede3;color:#2d2924;cursor:default}.cell.editable{color:var(--accent-2)}.cell.selected{outline:2px solid var(--accent);outline-offset:-2px;background:#e4572e1f}.cell.highlight{background:#1f6f8b14}.cell.error{color:#b21f1f;background:#b21f1f1f}.cell-notes{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);width:100%;height:100%;font-size:clamp(.45rem,1.6vw,.6rem);line-height:1;color:#231f1a8c;align-items:center;justify-items:center}.number-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.number-panel{display:grid;gap:18px}.number-pad button{padding:16px 0;border-radius:16px;border:none;background:#fff;box-shadow:0 12px 24px #1d1a161a;font-size:1.2rem;font-weight:700;cursor:pointer;transition:transform .2s ease}.number-pad button:hover{transform:translateY(-2px)}.opponent-progress{height:10px;background:#1f6f8b1a;border-radius:999px;overflow:hidden}.opponent-progress span{display:block;height:100%;background:linear-gradient(90deg,#1f6f8b,#f0b429)}.game-stage{position:relative}.game-layout.is-paused{filter:grayscale(.85) blur(4px);pointer-events:none;-webkit-user-select:none;user-select:none}.game-mask{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:grid;place-items:center;background:#181613d1;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:18px;padding:24px}.game-mask-card{max-width:420px;text-align:center;display:grid;gap:12px;background:#ffffffe6;padding:24px;border-radius:18px;border:1px solid rgba(35,31,26,.1);box-shadow:var(--shadow)}.mask-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.action-row{display:flex;gap:12px;flex-wrap:wrap}.alert{padding:14px 18px;border-radius:14px;background:#e4572e1f;border:1px solid rgba(228,87,46,.3);color:#7a2a1f;font-weight:600}.result-banner{display:grid;gap:12px;padding:32px;border-radius:24px;background:linear-gradient(135deg,#e4572e33,#1f6f8b33);border:1px solid rgba(35,31,26,.15)}.fade-enter-active,.fade-leave-active{transition:opacity .3s ease}.fade-enter-from,.fade-leave-to{opacity:0}@media (max-width: 720px){.app-shell{width:min(1200px,92vw);padding:calc(24px + env(safe-area-inset-top)) 0 48px;gap:20px}.page{gap:20px}.app-header{align-items:flex-start}.header-badge{justify-self:start}.hero-title{font-size:clamp(2.1rem,7vw,3rem)}.hero-subtitle{font-size:.95rem}.card{padding:20px;border-radius:18px}.section-title{font-size:1.2rem}.split{grid-template-columns:1fr}.status-row{flex-wrap:wrap;justify-content:flex-start}.status-row--meta{font-size:.95rem;row-gap:6px}.room-code{font-size:clamp(1.2rem,6vw,1.8rem);letter-spacing:clamp(.12em,1.6vw,.2em);padding:12px 14px}.game-layout{gap:20px}.sudoku-board{border-radius:16px}.cell{font-size:clamp(.9rem,4.2vw,1.3rem)}.number-pad{gap:8px}.number-pad button{padding:11px 0;font-size:clamp(.95rem,4.2vw,1.1rem)}.number-panel{gap:12px}.input,.select{font-size:1rem}.action-row{flex-direction:column;align-items:stretch}}@media (max-width: 480px){.app-shell{padding:calc(20px + env(safe-area-inset-top)) 0 40px}.hero-title{font-size:clamp(1.9rem,8vw,2.6rem)}.hero-subtitle{font-size:.9rem}.badge{font-size:.8rem}.button{width:100%}.number-pad button{padding:10px 0}}@supports (width: 1cqw){.sudoku-board{container-type:inline-size}.cell{font-size:clamp(.9rem,4.6cqw,1.5rem)}.cell-notes{font-size:clamp(.4rem,1.6cqw,.6rem)}}