:root{--bg-base: #07111f;--bg-surface: rgba(7, 17, 31, .78);--bg-elevated: rgba(10, 21, 38, .88);--bg-muted: rgba(15, 23, 42, .78);--text-main: #f8fafc;--text-muted: #cbd5e1;--text-soft: #94a3b8;--accent: #7dd3fc;--border: rgba(148, 163, 184, .16);--border-soft: rgba(148, 163, 184, .12);--shadow: 0 24px 80px rgba(2, 6, 23, .45);--radius-sm: 10px;--radius-md: 18px;--radius-lg: 26px;--space-1: 6px;--space-2: 10px;--space-3: 14px;--space-4: 18px;--space-5: 24px;--space-6: 30px;color-scheme:dark;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg-base);color:var(--text-main)}*{box-sizing:border-box}body{margin:0;height:100vh;overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;background:radial-gradient(circle at top left,rgba(255,255,255,.06),transparent 32%),radial-gradient(circle at top right,rgba(14,165,233,.16),transparent 28%),radial-gradient(circle at 50% 90%,rgba(11,58,110,.55),transparent 40%),radial-gradient(circle at 15% 55%,rgba(255,255,255,.04),transparent 22%),radial-gradient(circle at 85% 70%,rgba(14,165,233,.1),transparent 26%),linear-gradient(160deg,#040a13,#0b1628 55%,#111827)}button{font:inherit}#root{height:100vh;overflow:hidden}img{-webkit-user-drag:none}.app-shell{position:relative;height:100vh;overflow:hidden;display:grid;grid-template-columns:320px minmax(0,1fr);gap:var(--space-4);padding:var(--space-3)}.atmosphere{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 20% 20%,rgba(14,165,233,.16) 0,transparent 24%),radial-gradient(circle at 80% 10%,rgba(255,255,255,.06) 0,transparent 24%),radial-gradient(circle at 60% 75%,rgba(255,255,255,.04) 0,transparent 22%),radial-gradient(circle at 45% 45%,rgba(11,58,110,.45) 0,transparent 30%),radial-gradient(circle at 10% 85%,rgba(14,165,233,.12) 0,transparent 28%),radial-gradient(circle at 70% 50%,rgba(255,255,255,.03) 0,transparent 18%),radial-gradient(circle at 92% 55%,rgba(11,58,110,.38) 0,transparent 25%),radial-gradient(circle at 35% 10%,rgba(255,255,255,.05) 0,transparent 20%);pointer-events:none}.sidebar-shell,.workspace-shell{position:relative;z-index:1;min-height:0;min-width:0}.workspace-shell{display:flex;flex-direction:column;gap:var(--space-2)}.panel{background:var(--bg-surface);border:1px solid var(--border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.hero-panel{height:100%;min-height:0;border-radius:var(--radius-lg);background:linear-gradient(165deg,#0a1526eb,#081322c7);padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-5)}.hero-section{display:flex;flex-direction:column;gap:var(--space-2)}.profile-block{padding-bottom:var(--space-4);border-bottom:1px solid var(--border-soft)}.profile-block{display:flex;flex-direction:row;align-items:center;gap:var(--space-3)}.avatar{width:70px;height:70px;border-radius:22px;border:2px solid rgba(56,189,248,.45);flex-shrink:0}.eyebrow{color:var(--accent);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase}.profile-name,.timer-value{font-weight:700}.profile-name{font-size:1.2rem;line-height:1.2}.timer-value{font-size:clamp(2.2rem,3vw,3.2rem);line-height:1}.subtitle,.status-text{color:var(--text-muted)}.actions-block{margin-top:auto;align-items:stretch}.top-list{display:flex;flex-direction:column;gap:var(--space-2)}.top1-entry{display:flex;align-items:center;gap:var(--space-2);background:#0f172aa6;border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3)}.top3-rank{color:var(--accent);font-size:.76rem;font-weight:700;letter-spacing:.05em;min-width:24px}.top3-info{display:flex;flex-direction:column;gap:2px;min-width:0}.top3-name{font-size:.84rem;font-weight:600;color:#f1f5f9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top3-time{font-size:.76rem;color:var(--text-soft);font-variant-numeric:tabular-nums}.top1-empty{color:var(--text-soft);font-size:.82rem}.header-action-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;text-align:center}.actions-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2)}.header-action-btn--full{grid-column:1 / -1}.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,320px);gap:var(--space-2);flex:1;height:100%;min-height:0}.layout-grid--board-only{grid-template-columns:minmax(0,1fr)}.board-shell{border-radius:var(--radius-lg);padding:var(--space-2);display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:0;overflow:hidden}.board-loading{display:grid;place-items:center}.board-grid{display:grid;gap:0;width:100%;max-width:100%;aspect-ratio:1;margin:0 auto}.board-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);width:100%;height:100%;min-height:0}@media (min-width: 901px){.board-shell{display:flex;width:100%;height:auto;max-width:100%;max-height:100%}}.board-indicator{display:none;justify-content:center;align-items:center}.board-indicator-pill{background:var(--bg-elevated);border:1px solid var(--border);border-radius:999px;padding:5px 14px;font-size:.8rem;font-weight:600;color:var(--text-soft);letter-spacing:.05em;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);white-space:nowrap}.board-cell{display:grid;place-items:center;min-width:0;aspect-ratio:1;border-style:solid;border-color:#fff3;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform .14s ease-out,filter .14s ease-out,box-shadow .14s ease-out}.board-cell:hover:not(:disabled){transform:scale(1.02);filter:brightness(1.08);box-shadow:0 8px 22px #0ea5e933}@media (hover: none){.board-cell{transition:none}.board-cell:hover:not(:disabled){transform:none;filter:none;box-shadow:none}}@media (pointer: coarse){.board-cell{transition:none}}.board-cell:disabled{cursor:progress}.cell-icon{width:88%;height:88%}.x-icon path{fill:none;stroke:#111;stroke-width:2.5;stroke-linecap:round}.side-panel{border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;justify-content:flex-start;gap:var(--space-2);overflow:auto}.success-message,.error-message{border-radius:999px;padding:8px 12px}.success-message{background:#ffffff14;color:#f8fafc}.error-message{background:#f8717124;color:#fecaca}.primary-button,.secondary-button,.icon-button{border:0;border-radius:999px;cursor:pointer;transition:transform .12s ease-out,filter .12s ease-out,border-color .12s ease-out}.primary-button,.secondary-button{padding:11px 16px}.primary-button{background:linear-gradient(110deg,#0b3a6e,#0ea5e9 30%,#fff,#0ea5e9 70%,#0b3a6e);background-size:300% 100%;animation:ctaShimmer 5s linear infinite;color:#02121f;font-weight:700}.primary-button--white{background:linear-gradient(110deg,#b8d4e8,#dde6f0 30%,#fff,#dde6f0 70%,#b8d4e8);background-size:300% 100%;animation:ctaShimmer 4s linear infinite,btnBreathe 2.4s ease-in-out infinite;color:#02121f;box-shadow:0 0 18px #ffffff2e,0 0 40px #0ea5e924,0 6px 20px #02061780}.secondary-button,.icon-button{background:#0f172ae0;color:#f8fafc;border:1px solid rgba(148,163,184,.18)}.primary-button:hover:not(:disabled),.secondary-button:hover:not(:disabled),.icon-button:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px)}.primary-button:focus-visible,.secondary-button:focus-visible,.icon-button:focus-visible,.board-cell:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.primary-button:disabled{opacity:.45;cursor:not-allowed}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#020617b3;display:grid;place-items:center;padding:var(--space-5);z-index:50}.modal-panel{width:min(720px,100%);max-height:90vh;overflow:auto;border-radius:var(--radius-lg);padding:var(--space-5);background:#050d1a;border:1px solid rgba(56,189,248,.22);box-shadow:0 24px 60px #000000b3}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid rgba(56,189,248,.2);color:#f8fafc}.icon-button{width:40px;height:40px;font-size:1.4rem}.leaderboard-table{width:100%;border-collapse:collapse}.leaderboard-table th,.leaderboard-table td{padding:12px;text-align:left;color:#e2e8f0}.leaderboard-table thead th{color:#7dd3fc;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-size:.78rem;border-bottom:2px solid rgba(56,189,248,.3)}.leaderboard-table tbody tr{border-bottom:1px solid rgba(56,189,248,.08);transition:background .12s}.leaderboard-table tbody tr:nth-child(odd){background:#0ea5e90d}.leaderboard-table tbody tr:hover{background:#0ea5e91a}.streak-badge{display:inline-flex;align-items:center;gap:5px;background:#fbbf241f;border:1px solid rgba(251,191,36,.32);border-radius:999px;padding:5px 13px;font-size:.9rem;font-weight:700;color:#fbbf24;letter-spacing:.02em}.streak-inline{display:inline-flex;align-items:center;margin-left:6px;font-size:.85em;font-weight:700;color:#fbbf24;letter-spacing:.01em;vertical-align:middle}.stats-block{margin-top:var(--space-4);display:grid;gap:var(--space-2);padding-top:var(--space-3);border-top:1px solid rgba(56,189,248,.15)}.stat-row{display:flex;justify-content:space-between;gap:var(--space-4);color:#94a3b8;font-size:.9rem}.stat-row strong{color:#f1f5f9}.start-gate{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);flex:1;min-height:0}.start-card{width:min(500px,100%);border-radius:var(--radius-lg);padding:36px 30px;display:flex;flex-direction:column;align-items:center;gap:var(--space-3);text-align:center}.solved-card{gap:var(--space-4)}.solve-overlay-backdrop{background:radial-gradient(circle at 22% 18%,rgba(255,255,255,.07),transparent 45%),radial-gradient(circle at 82% 26%,rgba(14,165,233,.2),transparent 42%),#020617db;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:35;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3)}.solve-overlay-panel{width:min(620px,100%);padding:34px 30px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;border:1px solid rgba(56,189,248,.28);box-shadow:0 28px 70px #02061799;animation:overlayPop .28s ease-out}.solve-overlay-title{margin:0;font-size:clamp(1.9rem,4.4vw,2.6rem);line-height:1.05}.solve-overlay-copy{margin:2px 0 0;font-size:1rem;line-height:1.55;color:#e5e7eb}.solve-overlay-copy--soft{color:#93c5fd}.solve-overlay-cta{margin-top:var(--space-2);padding:14px 44px;font-size:1.1rem;letter-spacing:.03em;background:linear-gradient(110deg,#061529,#0d3580 38%,#2196d0 52%,#0d3580 65%,#061529);background-size:300% 100%;animation:ctaShimmer 6s linear infinite;border:1px solid rgba(34,211,238,.35);box-shadow:0 0 22px #22d3ee38,0 8px 24px #02061780;transition:transform .15s ease-out,filter .15s ease-out,box-shadow .15s ease-out}.solve-overlay-cta:hover:not(:disabled){filter:brightness(1.13);transform:translateY(-3px);border-color:#22d3ee8c;box-shadow:0 0 34px #22d3ee61,0 14px 36px #02061799}.cta-word-star{color:#fff;font-weight:800}.cta-word-battle{color:#dbeafe;text-shadow:0 0 10px rgba(2,6,23,.95),0 1px 4px rgba(2,6,23,.85)}.solve-overlay-kicker{margin-top:var(--space-3);font-size:.78rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:#c7d2fe;text-shadow:0 0 18px rgba(56,189,248,.45)}.solve-overlay-leaderboard{margin-top:var(--space-1);width:min(620px,100%);border:1px solid rgba(125,211,252,.22)}.solve-loader{position:relative;width:84px;height:84px;margin:4px auto 18px}.solve-loader-ring{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:4px solid rgba(125,211,252,.22);border-top-color:#22d3ee;border-right-color:#fff;animation:spin .9s linear infinite}.solve-loader-star{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:1.5rem;color:#facc15;animation:pulseStar 1.1s ease-in-out infinite}.solve-avatar-stack{position:relative;width:80px;height:80px;margin:4px auto 24px}.solve-avatar-img{position:absolute;top:0;left:0;width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.55);z-index:0}.solve-success-badge{position:absolute;bottom:-8px;right:-1px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:1.5rem;color:#fff;background:linear-gradient(140deg,#0ea5e9,#1d4ed8);border:2px solid #0f172a;z-index:1;box-shadow:0 0 0 8px #0ea5e926,0 8px 24px #02061799}.start-card-title{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700}.start-card-meta{color:var(--text-soft);font-size:.95rem}.start-auth-status{display:flex;align-items:center;gap:8px;color:var(--text-soft);font-size:.85rem}.start-auth-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(125,211,252,.25);border-top-color:#7dd3fc;border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.start-button{margin-top:var(--space-1);padding:14px 36px;font-size:1.05rem}@keyframes spin{to{transform:rotate(360deg)}}@keyframes overlayPop{0%{transform:translateY(10px) scale(.97);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@keyframes btnBreathe{0%,to{transform:scale(1)}50%{transform:scale(1.045)}}@keyframes pulseStar{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.22);opacity:.72}}@keyframes ctaShimmer{0%{background-position:200% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion: reduce){.primary-button{animation:none;background-position:50% 0}.solve-overlay-cta{animation:none;background-position:0 0}}@media (max-height: 780px){.app-shell{padding:var(--space-2);gap:var(--space-2);grid-template-columns:280px minmax(0,1fr)}.hero-panel{padding:var(--space-4);gap:var(--space-4)}.avatar{width:54px;height:54px;border-radius:16px}.timer-value{font-size:clamp(1.5rem,2.7vw,2.4rem)}.layout-grid{gap:var(--space-2)}.board-shell,.side-panel{padding:var(--space-2);border-radius:var(--radius-md)}.board-grid{width:100%;max-height:none}}@media (max-width: 1150px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:var(--space-2);padding:var(--space-2)}.hero-panel{height:auto;padding:var(--space-3);border-radius:var(--radius-md);display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:var(--space-3)}.profile-block{border-bottom:0;padding-bottom:0}.actions-block{margin-top:0}}@media (min-width: 901px) and (max-width: 1150px){.hero-panel{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.actions-block{grid-column:1 / -1}}@media (max-width: 900px){.app-shell{padding:max(52px,env(safe-area-inset-top,52px)) var(--space-2) var(--space-2);grid-template-rows:auto auto;align-content:start}.workspace-shell{gap:var(--space-1)}.hero-panel{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-rows:auto;gap:var(--space-1);padding:var(--space-1) var(--space-2);align-items:center}.hero-section{gap:4px}.layout-grid{grid-template-columns:1fr;flex:0 0 auto;align-items:start;min-height:0}.profile-block{grid-column:1;grid-row:1;padding-right:var(--space-2);border-right:1px solid var(--border-soft);margin-right:0;height:auto;display:flex;align-items:center;gap:var(--space-2)}.timer-block{grid-column:2;grid-row:1;min-width:0}.actions-block{grid-column:3;grid-row:1;margin-top:0;justify-self:end}.actions-block>.eyebrow,.top-list,.top1-empty,.subtitle{display:none}.avatar{width:40px;height:40px;border-radius:10px;border-width:1.5px}.profile-name{font-size:1rem;line-height:1.1}.eyebrow{font-size:.66rem;letter-spacing:.08em}.timer-value{font-size:clamp(1.15rem,4.5vw,1.45rem);line-height:1}.secondary-button{padding:8px 12px;font-size:.9rem}.actions-row{grid-template-columns:1fr;gap:var(--space-1);margin-top:0}.board-shell{padding:2px var(--space-1) 0;align-items:flex-start;justify-content:center;width:100%;max-width:100%;height:auto;min-height:0}.board-grid{width:100%;max-width:100%;max-height:none;margin:0 auto}.board-indicator{display:flex;flex-shrink:0}.side-panel{max-height:none}}@media (max-width: 700px){.app-shell{padding-top:max(58px,env(safe-area-inset-top,58px))}.hero-panel{padding:4px var(--space-2)}.timer-value{font-size:clamp(1.05rem,4.2vw,1.25rem)}.secondary-button{padding:7px 10px;font-size:.85rem}.board-grid,.board-shell{width:100%;max-width:100%}.solve-overlay-panel{padding:var(--space-4)}.solve-overlay-title{font-size:clamp(1.55rem,7vw,2rem)}.solve-overlay-copy{font-size:.95rem}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;transition-duration:1ms!important}}.settings-trigger-btn{position:fixed;z-index:40;width:44px;height:44px;border-radius:50%;padding:0;display:flex;align-items:center;justify-content:center;background:#0f172ae6;color:#f8fafc;border:1px solid rgba(148,163,184,.22);cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 4px 20px #0206178c;transition:transform .12s ease-out,filter .12s ease-out,box-shadow .12s ease-out;bottom:calc(var(--space-4) + env(safe-area-inset-bottom,0px));left:calc(var(--space-4) + env(safe-area-inset-left,0px));top:auto;right:auto}.help-trigger-btn{position:fixed;z-index:40;width:44px;height:44px;border-radius:50%;padding:0;display:flex;align-items:center;justify-content:center;background:#0f172ae6;color:#f8fafc;border:1px solid rgba(148,163,184,.22);cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 4px 20px #0206178c;transition:transform .12s ease-out,filter .12s ease-out,box-shadow .12s ease-out;bottom:calc(var(--space-4) + env(safe-area-inset-bottom,0px));right:calc(var(--space-4) + env(safe-area-inset-right,0px));top:auto;left:auto;font-size:1rem;font-weight:700}.settings-trigger-btn:hover:not(:disabled){filter:brightness(1.12);transform:scale(1.06);box-shadow:0 6px 28px #0ea5e947}.help-trigger-btn:hover:not(:disabled){filter:brightness(1.12);transform:scale(1.06);box-shadow:0 6px 28px #0ea5e947}.settings-trigger-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.help-trigger-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media (min-width: 901px){.settings-trigger-btn{top:calc(var(--space-3) + env(safe-area-inset-top,0px));right:calc(var(--space-3) + env(safe-area-inset-right,0px));bottom:auto;left:auto}.help-trigger-btn{top:calc(var(--space-3) + env(safe-area-inset-top,0px));right:calc(56px + var(--space-3) + env(safe-area-inset-right,0px));bottom:auto;left:auto}}.settings-panel{width:min(480px,100%)}.settings-section{margin-top:var(--space-5)}.settings-section:first-of-type{margin-top:var(--space-2)}.settings-section-title{margin:0 0 var(--space-3) 0;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.theme-options{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-2)}.theme-option{display:flex;flex-direction:column;align-items:center;min-width:0;gap:var(--space-2);padding:var(--space-3) var(--space-2);border-radius:var(--radius-md);background:#0f172aa6;border:2px solid transparent;cursor:pointer;transition:border-color .14s,background .14s,transform .1s}.theme-option:hover:not(.theme-option--active){background:#0f172ad9;border-color:#94a3b840;transform:translateY(-1px)}.theme-option--active{border-color:var(--accent);background:#0ea5e91a}.theme-option:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-swatch{display:flex;gap:4px;align-items:center}.theme-swatch-dot{display:block;width:14px;height:14px;border-radius:50%;flex-shrink:0;box-shadow:0 1px 3px #0006}.theme-label{font-size:.82rem;font-weight:600;color:var(--text-muted)}.theme-option--active .theme-label{color:var(--accent)}@media (max-width: 500px){.theme-options{gap:var(--space-1)}.theme-option{gap:6px;padding:var(--space-2) var(--space-1);border-radius:var(--radius-sm)}.theme-swatch{gap:3px}.theme-swatch-dot{width:10px;height:10px}.theme-label{font-size:.72rem}}.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-3);border-radius:var(--radius-sm);background:#0f172aa6;border:1px solid var(--border-soft)}.settings-toggle-label{font-size:.9rem;font-weight:600;color:var(--text-main)}.toggle-switch{position:relative;flex-shrink:0;width:44px;height:24px;border-radius:999px;padding:2px;border:none;cursor:pointer;background:#64748b59;transition:background .2s}.toggle-switch--on{background:var(--accent)}.toggle-switch-thumb{display:block;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #0006;transition:transform .2s cubic-bezier(.4,0,.2,1);pointer-events:none}.toggle-switch--on .toggle-switch-thumb{transform:translate(20px)}.toggle-switch:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media (prefers-reduced-motion: reduce){.toggle-switch,.toggle-switch-thumb,.theme-option,.settings-trigger-btn,.help-trigger-btn{transition-duration:1ms!important}}.countdown-pill{display:inline-flex;align-items:center;gap:6px;background:#0ea5e91a;border:1px solid rgba(14,165,233,.25);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600;color:var(--accent);letter-spacing:.02em;white-space:nowrap}.countdown-pill--at-risk{background:#fb923c1a;border-color:#fb923c52;color:#fb923c}.countdown-pill-label{color:var(--text-muted);font-weight:500}.countdown-pill--at-risk .countdown-pill-label{color:#fb923cbf}.countdown-pill-time{font-weight:700;font-variant-numeric:tabular-nums}.leaderboard-modal-stack{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);width:min(720px,100%);max-height:90vh}.leaderboard-modal-stack .modal-panel{width:100%;max-height:none;flex:1 1 auto;min-height:0}.leaderboard-countdown-row{display:flex;justify-content:center}.solve-overlay-countdown{margin-top:var(--space-1)}.tutorial-panel{width:min(680px,100%);max-height:calc(100dvh - 48px);overflow:hidden;display:flex;flex-direction:column;gap:var(--space-3)}.tutorial-modal-title{margin:0;font-size:1.1rem}.tutorial-body{flex:1;min-height:0;display:flex;flex-direction:column;gap:var(--space-2);overflow:hidden}.tutorial-step-header{display:flex;flex-direction:column;gap:4px}.tutorial-step-eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.tutorial-step-title{margin:0;font-size:1.25rem;font-weight:700;color:#f1f5f9}.tutorial-step-body{margin:0;font-size:.95rem;line-height:1.6;color:var(--text-muted)}.tutorial-step-note{margin:0;font-size:.84rem;font-weight:600;color:#f87171;background:#f871711a;border:1px solid rgba(248,113,113,.22);border-radius:var(--radius-sm);padding:8px 12px}.tutorial-illustration{flex:1;min-height:0;display:flex;justify-content:center;align-items:center;padding:var(--space-1) 0;overflow:hidden}.tutorial-mini-grid{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:2px;padding:8px;background:#02061780;border:1px solid var(--border);border-radius:var(--radius-sm);width:min(100%,340px,38dvh);aspect-ratio:1}.tutorial-cell{aspect-ratio:1;border-radius:6px;display:grid;place-items:center;font-size:.9rem;font-weight:700;color:#ffffffe6;transition:box-shadow .2s;position:relative;-webkit-user-select:none;user-select:none}.tutorial-cell--highlight{box-shadow:0 0 0 2px #7dd3fce6,0 0 12px #7dd3fc4d}.tutorial-cell--star{color:#facc15;text-shadow:0 0 8px rgba(250,204,21,.6)}.tutorial-cell--x{color:#ffffff73;font-size:.9rem}.tutorial-cell--violation{box-shadow:0 0 0 2px #f87171e6,0 0 14px #f8717166;color:#fca5a5;text-shadow:0 0 8px rgba(248,113,113,.6)}.tutorial-dots{flex-shrink:0;display:flex;justify-content:center;gap:8px}.tutorial-dot{width:8px;height:8px;border-radius:50%;border:none;background:#94a3b84d;cursor:pointer;padding:0;transition:background .16s,transform .16s}.tutorial-dot--active{background:var(--accent);transform:scale(1.3)}.tutorial-dot:hover:not(.tutorial-dot--active){background:#94a3b899}.tutorial-nav{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding-top:var(--space-1);border-top:1px solid var(--border-soft)}.tutorial-nav-right{display:flex;align-items:center;gap:var(--space-2)}.tutorial-nav-btn{padding:9px 18px;font-size:.9rem}.tutorial-play-btn{padding:10px 22px;font-size:.95rem;letter-spacing:.02em}.settings-how-to-play-btn{width:100%;text-align:center}@media (max-width: 600px){.tutorial-cell{font-size:.72rem;border-radius:4px}.tutorial-cell--x{font-size:.65rem}.tutorial-mini-grid{gap:2px;padding:4px;width:min(100%,280px,38dvh)}.tutorial-step-title{font-size:1.1rem}.tutorial-panel{width:min(100%,560px)}.tutorial-nav-btn{padding:8px 14px;font-size:.85rem}.tutorial-play-btn{padding:8px 16px}}@media (max-height: 640px){.tutorial-panel{gap:var(--space-2)}.tutorial-step-title{font-size:1rem}.tutorial-step-body{font-size:.85rem;line-height:1.45}.tutorial-mini-grid{width:min(100%,240px,30dvh)}.tutorial-cell{font-size:.7rem;border-radius:4px}.tutorial-nav-btn{padding:7px 13px;font-size:.82rem}.tutorial-play-btn{padding:7px 15px}}@media (max-height: 480px){.tutorial-step-eyebrow{display:none}.tutorial-mini-grid{width:min(100%,180px,24dvh)}.tutorial-step-body{font-size:.8rem;line-height:1.35}}