:root{--bg: #FAFAF7;--surface: #FFFFFF;--ink: #111111;--ink-muted: #6B6B66;--line: #E9E9E4;--accent-orange: #FF6B35;--accent-blue: #3B82F6;--accent-lime: #A3E635;--accent-purple: #8B5CF6;--accent-yellow: #FBBF24;--accent-teal: #2DD4BF;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-card: 0 8px 24px rgba(17,17,17,.06);--shadow-hover: 0 12px 32px rgba(17,17,17,.1);--font-display: "Space Grotesk", sans-serif;--font-body: "Inter", sans-serif;--font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, Menlo, monospace;--irc-bg: #16161E;--irc-surface: #1E1E28;--irc-surface-2: #262633;--irc-fg: #D8D8E0;--irc-fg-dim: #8A8A99;--irc-line: #2E2E3D;--irc-system: #6FBF73;--irc-error: #E06C75;--irc-accent: #FF6B35;--dur-fast: .12s;--dur-base: .22s;--dur-slow: .4s;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--elev-1: 0 1px 2px rgba(0, 0, 0, .4);--elev-2: 0 4px 14px rgba(0, 0, 0, .45);--elev-3: 0 12px 40px rgba(0, 0, 0, .55);--glow-accent: 0 0 16px rgba(255, 107, 53, .55);--ring: 0 0 0 3px rgba(59, 130, 246, .55);--glass-bg: rgba(30, 30, 40, .62);--glass-blur: blur(14px) saturate(1.3);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 18px;--space-5: 24px;--space-6: 32px;--radius-pill: 999px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh}body{background:var(--irc-bg);color:var(--irc-fg);font-family:var(--font-body);font-size:15px;line-height:1.5}h1,h2,h3,h4{font-family:var(--font-display);margin:0}button{font-family:var(--font-display);font-size:15px;font-weight:500;border:none;border-radius:var(--radius-sm);padding:10px 18px;cursor:pointer;min-height:44px;transition:box-shadow var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}button:focus-visible,input:focus-visible{outline:none;box-shadow:var(--ring)}button.primary{background:var(--accent-orange);color:#fff}button.primary:hover{box-shadow:var(--glow-accent);transform:translateY(-1px)}button.primary:active{transform:translateY(0) scale(.98)}button.primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}button.ghost:hover{border-color:var(--irc-fg-dim)}button.ghost.selected{background:var(--accent-orange);color:#fff;border-color:var(--accent-orange)}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);min-height:100vh}.app-loading h2{font-family:var(--font-display);color:#fff;letter-spacing:-.3px}.app-spinner{width:38px;height:38px;border-radius:50%;border:3px solid var(--irc-line);border-top-color:var(--accent-orange);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.app-spinner{animation-duration:2s}}input[type=text],input[type=email],input[type=password],input[type=number]{font-family:var(--font-body);font-size:15px;padding:10px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);width:100%;min-height:44px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px}.field-error{color:var(--accent-orange);font-size:13px;margin:4px 0 0}@keyframes float{0%{transform:translateY(0) rotate(0)}50%{transform:translateY(-12px) rotate(4deg)}to{transform:translateY(0) rotate(0)}}.floating-3d{animation:float 7s ease-in-out infinite;pointer-events:none;-webkit-user-select:none;user-select:none;position:absolute}@media (prefers-reduced-motion: reduce){.floating-3d{animation:none}}.scroll-panel{overflow-y:auto;scrollbar-width:thin}.toast-host{position:fixed;top:16px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none;max-width:min(360px,calc(100vw - 32px))}.toast{pointer-events:auto;cursor:pointer;display:flex;align-items:center;gap:var(--space-2);padding:10px 14px;border-radius:10px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--irc-line);border-left:3px solid var(--irc-fg-dim);box-shadow:var(--elev-2);color:var(--irc-fg);font-family:var(--font-mono);font-size:13px;animation:toastIn var(--dur-base) var(--ease-spring)}.toast-error{border-left-color:var(--irc-error)}.toast-success{border-left-color:var(--irc-system)}.toast-info{border-left-color:var(--accent-blue)}.toast-icon{font-size:14px;flex-shrink:0}.toast-error .toast-icon{color:var(--irc-error)}.toast-success .toast-icon{color:var(--irc-system)}.toast-info .toast-icon{color:var(--accent-blue)}.toast-text{overflow-wrap:anywhere}@keyframes toastIn{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion: reduce){.toast{animation:none}}.cube{position:relative;transform-style:preserve-3d;transform:rotateX(-24deg) rotateY(38deg)}.cube-face{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,color-mix(in srgb,var(--c) 70%,white) 0%,var(--c) 55%,color-mix(in srgb,var(--c) 65%,black) 100%);border-radius:6px;opacity:.92}.pyramid{position:relative;width:var(--s);height:var(--s)}.pyramid-face{position:absolute;width:0;height:0;border-left:calc(var(--s) / 2) solid transparent;border-right:calc(var(--s) / 2) solid transparent}.pyramid-left{border-bottom:var(--s) solid var(--c);filter:brightness(1.15);transform:skewY(-8deg)}.pyramid-right{left:18%;border-bottom:var(--s) solid color-mix(in srgb,var(--c) 70%,black);transform:skewY(8deg) scaleX(.6)}.sphere{border-radius:50%;background:radial-gradient(circle at 32% 28%,color-mix(in srgb,var(--c) 30%,white) 0%,var(--c) 45%,color-mix(in srgb,var(--c) 55%,black) 100%);box-shadow:0 12px 24px #1111111f}.tetromino-decor{position:absolute}.tetromino-cell{position:absolute;border-radius:4px;background:linear-gradient(180deg,color-mix(in srgb,var(--c) 60%,white) 0%,var(--c) 45%,color-mix(in srgb,var(--c) 70%,black) 100%);border-top:2px solid color-mix(in srgb,var(--c) 40%,white);border-left:2px solid color-mix(in srgb,var(--c) 40%,white);border-bottom:2px solid color-mix(in srgb,var(--c) 55%,black);border-right:2px solid color-mix(in srgb,var(--c) 55%,black);box-shadow:inset 0 0 10px color-mix(in srgb,var(--c) 55%,transparent);transition:filter .2s ease}.tetromino-decor:hover .tetromino-cell{filter:drop-shadow(0 0 8px var(--c))}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--irc-bg)}.auth-wordmark{font-size:32px;font-weight:700;margin-bottom:8px;letter-spacing:-.5px;background:linear-gradient(100deg,#fff 20%,var(--accent-orange) 60%,var(--accent-yellow) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.auth-glow{position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(255,107,53,.16),rgba(139,92,246,.1) 45%,transparent 70%);filter:blur(20px);pointer-events:none;animation:authGlow 9s var(--ease-out) infinite}@keyframes authGlow{0%,to{transform:scale(1);opacity:.85}50%{transform:scale(1.12);opacity:1}}@media (prefers-reduced-motion: reduce){.auth-glow{animation:none}}.auth-tagline{font-family:var(--font-mono);font-size:12.5px;color:var(--irc-fg-dim);margin:0 0 24px}.auth-tagline strong{color:var(--irc-accent);font-weight:700}.auth-card{position:relative;z-index:1;width:100%;max-width:440px;padding:32px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--irc-line);border-radius:var(--radius-md);box-shadow:var(--elev-3)}.auth-tabs{position:relative;display:flex;gap:4px;margin-bottom:24px;border-bottom:1px solid var(--irc-line)}.auth-tab{flex:1;background:none;border:none;border-radius:0;padding:12px;color:var(--irc-fg-dim);transition:color var(--dur-base) var(--ease-out)}.auth-tab.active{color:#fff;font-weight:700}.auth-tab:hover{color:var(--irc-fg)}.auth-tab-indicator{position:absolute;bottom:-1px;left:0;width:50%;height:3px;background:var(--irc-accent);border-radius:2px;box-shadow:var(--glow-accent);transition:transform var(--dur-base) var(--ease-spring)}.auth-tabs[data-tab=signup] .auth-tab-indicator{transform:translate(100%)}@media (prefers-reduced-motion: reduce){.auth-tab-indicator{transition:none}}.auth-card form label{display:block;margin-bottom:14px;font-weight:500;font-size:14px;color:var(--irc-fg)}.auth-card form input{margin-top:6px;background:var(--irc-surface-2);border:1px solid var(--irc-line);color:var(--irc-fg)}.auth-card form input::placeholder{color:var(--irc-fg-dim)}.auth-card form input:focus-visible{outline:2px solid var(--irc-accent);outline-offset:1px}.auth-card .field-error{color:var(--irc-error)}.irc-buffer{position:relative;display:flex;flex-direction:column;flex:1;min-height:0;background:var(--irc-bg)}.chat-messages{flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--irc-line) var(--irc-bg);padding:8px 12px;font-family:var(--font-mono);font-size:13.5px;line-height:1.55;color:var(--irc-fg)}.chat-line{padding:1px 0;overflow-wrap:anywhere;white-space:pre-wrap}.irc-ts{color:var(--irc-fg-dim)}.irc-nick{font-weight:700}.irc-star{color:var(--irc-system);font-weight:700}.chat-line.irc-system{color:var(--irc-system)}.chat-line.irc-system.irc-error,.chat-line.irc-system.irc-error .irc-star{color:var(--irc-error)}.chat-line.irc-action{font-style:italic;color:var(--irc-fg)}.irc-jump-pill{position:absolute;bottom:10px;left:50%;transform:translate(-50%);min-height:30px;padding:4px 14px;border-radius:999px;background:var(--irc-accent);color:#fff;font-family:var(--font-mono);font-size:12.5px;box-shadow:0 4px 14px #00000073}.chat-input-row{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--irc-surface);border-top:1px solid var(--irc-line)}.irc-mynick{font-family:var(--font-mono);font-size:13px;font-weight:700;white-space:nowrap}.chat-input-row input{flex:1;min-height:36px;padding:6px 10px;font-family:var(--font-mono);font-size:13.5px;background:var(--irc-surface-2);border:1px solid var(--irc-line);border-radius:6px;color:var(--irc-fg)}.chat-input-row input::placeholder{color:var(--irc-fg-dim)}.irc-send{min-height:36px;padding:6px 16px;background:var(--irc-accent);color:#fff;border-radius:6px;font-size:13px}.chatbox{display:flex;flex-direction:column;flex:1;min-height:0}.chatbox-compact .chat-messages{max-height:96px;font-size:12.5px}.chatbox-compact .chat-input-row{padding:6px 10px}.chatbox-compact .chat-input-row input,.chatbox-compact .irc-send{min-height:32px}.game-page{height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:var(--irc-bg);color:var(--irc-fg)}.wordmark{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.5px;color:#fff}.panel-title{font-family:var(--font-mono);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;color:var(--irc-fg-dim)}.game-top-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 28px;background:var(--irc-surface);border-bottom:1px solid var(--irc-line)}.score-panel{display:flex;align-items:center;gap:18px;font-family:var(--font-mono);color:var(--irc-fg)}.score-item strong{color:#fff}.level-pill{background:var(--accent-teal);color:#102220;font-family:var(--font-display);font-weight:700;border-radius:999px;padding:4px 14px}.mute-button{font-size:18px;min-width:52px;background:transparent;color:var(--irc-fg);border:1px solid var(--irc-line)}.mute-button:hover{border-color:var(--irc-fg-dim)}.mute-button{transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.mute-button:active{transform:scale(.92)}.mute-button.ghost-on{border-color:var(--accent-teal);box-shadow:0 0 10px #2dd4bf66}.top-bar-buttons{display:flex;gap:var(--space-2);align-items:center}.stop-button{color:var(--irc-error);border-color:var(--irc-error);font-weight:700}.stop-button:hover{background:#e06c7526;border-color:var(--irc-error)}.help-wrap{position:relative}.help-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.help-popover{position:absolute;top:calc(100% + 8px);right:0;z-index:41;width:260px;padding:14px 16px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--irc-line);border-radius:10px;box-shadow:var(--elev-3);animation:overlayIn var(--dur-fast) var(--ease-out)}.help-popover h4{font-family:var(--font-display);font-size:13px;color:#fff;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.help-popover dl{margin:0;display:flex;flex-direction:column;gap:5px}.help-popover dl>div{display:flex;justify-content:space-between;gap:12px;font-family:var(--font-mono);font-size:12px}.help-popover dt{color:var(--irc-accent);font-weight:700;white-space:nowrap}.help-popover dd{margin:0;color:var(--irc-fg);text-align:right}.help-note{margin:10px 0 0;font-size:11.5px;color:var(--irc-fg-dim);font-family:var(--font-mono)}.level-pill{transition:box-shadow var(--dur-fast) var(--ease-out)}.level-pill.bump{animation:pillBump .5s var(--ease-spring);box-shadow:0 0 14px #2dd4bfb3}@keyframes pillBump{0%{transform:scale(1)}40%{transform:scale(1.28)}to{transform:scale(1)}}.score-item strong{transition:color var(--dur-fast) var(--ease-out)}.score-item strong.flash{color:var(--accent-lime)}@media (prefers-reduced-motion: reduce){.level-pill.bump{animation:none}}.next-stack{display:flex;gap:var(--space-3);align-items:flex-start}.next-main{border-radius:8px;border:1px solid var(--irc-line);box-shadow:var(--elev-1)}.next-subs{display:flex;flex-direction:column;gap:var(--space-2)}.next-sub{border-radius:6px;border:1px solid var(--irc-line);opacity:.72}.sudden-death-banner{background:#2b0a0a;color:#ff6b6b;text-align:center;padding:6px;font-family:var(--font-display);font-weight:700;letter-spacing:1px}.game-grid{flex:1;min-height:0;overflow:auto;display:grid;grid-template-columns:230px minmax(420px,auto) 260px;gap:18px;justify-content:center;padding:16px 24px}.opponent-column,.side-column{display:flex;flex-direction:column;gap:12px;min-height:0;overflow-y:auto;scrollbar-width:thin}.right-opponents{display:flex;flex-direction:column;gap:12px;margin-top:8px}.opponent-board{position:relative}.opponent-canvas-wrap{position:relative;display:inline-block;line-height:0}.opponent-canvas-wrap canvas{border-radius:6px;border:2px solid transparent}.opponent-board.immune .opponent-canvas-wrap canvas{border-color:var(--accent-yellow);animation:immunePulse 1.2s ease-in-out infinite}@keyframes immunePulse{0%,to{box-shadow:0 0 #fbbf2400}50%{box-shadow:0 0 14px #fbbf24cc}}@media (prefers-reduced-motion: reduce){.opponent-board.immune .opponent-canvas-wrap canvas{animation:none}}.opp-hit-flash{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:6px;pointer-events:none;background:#ff6b3580;box-shadow:0 0 16px #ff6b35e6 inset;animation:oppHit .45s ease-out forwards}@keyframes oppHit{0%{opacity:0}15%{opacity:1}to{opacity:0}}@media (prefers-reduced-motion: reduce){.opp-hit-flash{animation:none;opacity:0}}.eliminated-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#3c3c46b8;display:flex;align-items:center;justify-content:center;border-radius:6px}.eliminated-overlay span{color:#fff;font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:1px}.opponent-label{font-family:var(--font-mono);font-size:12.5px;font-weight:700;color:var(--irc-fg);padding-top:4px}.opponent-slot,.opponent-level{color:var(--irc-fg-dim);font-weight:400}.board-column{display:flex;justify-content:center}.board-wrap{position:relative;line-height:0}.main-board{border-radius:var(--radius-sm);border:1px solid var(--irc-line);height:min(748px,calc(100dvh - 260px));width:auto}.board-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#12121e9e;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-sm);color:#fff;font-family:var(--font-display);line-height:1.4;text-align:center;animation:overlayIn var(--dur-base) var(--ease-out)}@keyframes overlayIn{0%{opacity:0}to{opacity:1}}.board-overlay.countdown span{font-size:96px;font-weight:700;display:inline-block;animation:countPop .9s var(--ease-out)}.board-overlay.countdown span.go{font-size:108px;color:var(--accent-lime);text-shadow:0 0 24px rgba(163,230,53,.6)}@keyframes countPop{0%{transform:scale(2.2);opacity:0}25%{transform:scale(1);opacity:1}70%{transform:scale(1);opacity:1}to{transform:scale(.7);opacity:0}}.board-overlay.eliminated span{font-size:30px;font-weight:700;letter-spacing:2px}.board-overlay.victory span{font-size:26px;font-weight:700}.board-overlay p{font-size:14px;color:#c9c9d4;margin:0}@media (prefers-reduced-motion: reduce){.board-overlay,.board-overlay.countdown span{animation:none}}.placement-list{list-style:none;margin:0;padding:0;font-size:16px}.placement-list li{padding:2px 0}.placement-list em{color:var(--accent-lime);font-style:normal}.next-piece canvas{border-radius:6px;border:1px solid var(--irc-line)}.inventory-bar{display:grid;grid-template-columns:repeat(6,1fr);gap:4px}.inv-slot{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:5px;border:1px solid var(--irc-line);font-family:var(--font-mono);font-weight:700;font-size:13px;background:var(--irc-surface-2);color:var(--irc-fg)}.inv-slot.attack{background:#ff6b3533;border-color:var(--accent-orange)}.inv-slot.defense{background:#3b82f633;border-color:var(--accent-blue)}.inv-slot.field{background:#8b5cf638;border-color:var(--accent-purple)}.inv-slot{transition:background var(--dur-fast) var(--ease-out)}.inv-slot.next-up{outline:2px solid var(--irc-fg);outline-offset:-1px;animation:nextUpPulse 1.4s var(--ease-out) infinite}@keyframes nextUpPulse{0%,to{box-shadow:0 0 #fff0}50%{box-shadow:0 0 10px #ffffff8c}}.inv-letter{display:inline-block;animation:invPop var(--dur-base) var(--ease-spring)}@keyframes invPop{0%{transform:scale(1.7)}to{transform:scale(1)}}.inventory-bar{border-radius:6px;transition:box-shadow var(--dur-base) var(--ease-out)}.inventory-bar.gained{box-shadow:var(--glow-accent)}.target-hints{display:flex;align-items:center;gap:6px;margin-top:8px;flex-wrap:wrap}.target-hint{width:26px;height:26px;min-height:26px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--irc-surface-2);border:1px solid var(--irc-line);color:var(--irc-fg);font-family:var(--font-mono);font-weight:700;font-size:13px;cursor:pointer;transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)}.target-hint:hover{transform:translateY(-2px);box-shadow:var(--glow-accent)}.target-hint:active{transform:scale(.9)}.target-hint.self{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.target-hint.self:hover{box-shadow:0 0 12px 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