@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap";:root,[data-color-mode=light]{color-scheme:light;--bg-main: #ffffff;--bg-subtle: #f6f5fc;--bg-muted: #efecfa;--bg-panel: #ffffff;--bg-header: rgba(255, 255, 255, .92);--bg-sidebar: #faf9ff;--bg-code: #f5f4fb;--border-color: #e2ddf2;--border-strong: #c9c0e8;--border-active: #7700ff;--rf-brand: #7700ff;--rf-brand-hover: #6200d6;--rf-accent: #ff0072;--rf-edge: #b1b1b7;--rf-handle: #1a192b;--accent-blue: #2563eb;--accent-emerald: #059669;--accent-rose: #e11d48;--accent-amber: #b45309;--text-main: #18181b;--text-muted: #5b5b66;--text-dim: #85838f;--canvas-bg: #faf9ff;--canvas-dot: #d6cfec;--canvas-glow: radial-gradient(ellipse 70% 45% at 50% -6%, rgba(119, 0, 255, .07), transparent 55%), radial-gradient(ellipse 42% 32% at 96% 88%, rgba(255, 0, 114, .05), transparent 52%);--body-texture: radial-gradient(ellipse 62% 40% at 10% -4%, rgba(119, 0, 255, .055), transparent 55%), radial-gradient(ellipse 48% 34% at 92% 8%, rgba(255, 0, 114, .045), transparent 50%), radial-gradient(ellipse 42% 30% at 45% 102%, rgba(37, 99, 235, .04), transparent 50%);--node-bg: #ffffff;--node-border: #1a192b;--node-shadow: 0 2px 6px rgba(24, 16, 48, .08);--node-selected-ring: rgba(119, 0, 255, .25);--handle-ring: #ffffff;--port-connect-ring: rgba(119, 0, 255, .2);--brand-muted-bg: rgba(119, 0, 255, .09);--brand-muted-border: rgba(119, 0, 255, .22);--focus-ring: rgba(119, 0, 255, .14);--focus-ring-strong: rgba(119, 0, 255, .1);--credits-fg: #047857;--credits-border: rgba(4, 120, 87, .28);--credits-bg: rgba(16, 185, 129, .09);--pass-fg: #047857;--btn-primary-bg: linear-gradient(135deg, #7700ff 0%, #9333ea 100%);--btn-primary-hover: linear-gradient(135deg, #6200d6 0%, #7e22ce 100%);--btn-primary-shadow: rgba(119, 0, 255, .28);--btn-success-bg: var(--text-main);--btn-success-fg: #ffffff;--btn-success-hover: #27272a;--modal-overlay: rgba(24, 24, 27, .4);--search-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2385838f' stroke-width='2'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='M11 11l3 3'/%3E%3C/svg%3E");--font-ui: "Poppins", ui-sans-serif, system-ui, -apple-system, sans-serif;--font-code: "Poppins", ui-sans-serif, system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px rgba(24, 16, 48, .06);--shadow-md: 0 6px 16px rgba(24, 16, 48, .1);--shadow-panel: 0 0 0 1px var(--border-color), 0 2px 8px rgba(24, 16, 48, .05);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--header-height: 56px;--footer-height: 52px}[data-color-mode=dark]{color-scheme:dark;--bg-main: #111113;--bg-subtle: #161618;--bg-muted: #1c1c1f;--bg-panel: #141416;--bg-header: rgba(8, 8, 10, .9);--bg-sidebar: #0e0e11;--bg-code: #0c0c0f;--border-color: #2a2a2e;--border-strong: #3f3f46;--border-active: #ff0072;--rf-brand: #ff0072;--rf-brand-hover: #ff3390;--rf-edge: #52525b;--rf-handle: #ff0072;--text-main: #fafafa;--text-muted: #a1a1aa;--text-dim: #71717a;--canvas-bg: #08080a;--canvas-dot: #3f3f46;--canvas-glow: radial-gradient(ellipse 90% 55% at 50% -5%, rgba(255, 0, 114, .16), transparent 58%), radial-gradient(ellipse 45% 35% at 95% 85%, rgba(119, 0, 255, .12), transparent 55%), radial-gradient(ellipse 40% 30% at 5% 70%, rgba(255, 0, 114, .08), transparent 50%);--body-texture: radial-gradient(ellipse 70% 45% at 15% 0%, rgba(255, 0, 114, .12), transparent 55%), radial-gradient(ellipse 55% 40% at 85% 15%, rgba(119, 0, 255, .1), transparent 50%), radial-gradient(ellipse 50% 35% at 50% 100%, rgba(255, 0, 114, .06), transparent 45%);--node-bg: #1a1a1f;--node-border: #3f3f46;--node-shadow: 0 4px 20px rgba(0, 0, 0, .45);--node-selected-ring: rgba(255, 0, 114, .4);--handle-ring: #1a1a1f;--port-connect-ring: rgba(255, 0, 114, .35);--brand-muted-bg: rgba(255, 0, 114, .1);--brand-muted-border: rgba(255, 0, 114, .28);--focus-ring: rgba(255, 0, 114, .22);--focus-ring-strong: rgba(255, 0, 114, .16);--credits-fg: #34d399;--credits-border: rgba(52, 211, 153, .28);--credits-bg: rgba(52, 211, 153, .08);--pass-fg: #34d399;--btn-primary-bg: linear-gradient(135deg, #ff0072 0%, #7700ff 100%);--btn-primary-hover: linear-gradient(135deg, #ff3390 0%, #8a2be2 100%);--btn-primary-shadow: rgba(255, 0, 114, .35);--btn-success-bg: #fafafa;--btn-success-fg: #18181b;--btn-success-hover: #e4e4e7;--modal-overlay: rgba(0, 0, 0, .72);--search-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='M11 11l3 3'/%3E%3C/svg%3E");--shadow-sm: 0 1px 2px rgba(0, 0, 0, .45);--shadow-md: 0 8px 28px rgba(0, 0, 0, .55);--shadow-panel: 0 0 0 1px var(--border-color), 0 4px 20px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-ui);background-color:var(--bg-main);background-image:var(--body-texture);background-attachment:fixed;color:var(--text-main);height:100vh;overflow:hidden;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;transition:background-color .25s ease,color .2s ease}[data-color-mode=light] .app-header{box-shadow:0 1px #7700ff0f,0 6px 16px #1810300a}[data-color-mode=light] .module-card:hover{border-color:#7700ff4d;box-shadow:0 0 0 1px #7700ff1f,var(--shadow-md)}[data-color-mode=dark] .brand-logo .logo-node{stroke:#52525b;fill:#1a1a1f}[data-color-mode=dark] .module-card:hover{border-color:#ff007259;box-shadow:0 0 0 1px #ff00721f,var(--shadow-md)}.app-header{height:var(--header-height);background:var(--bg-header);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:100;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}.brand-icon{width:28px;height:28px;flex-shrink:0}.brand-icon svg{width:100%;height:100%;display:block}.brand-text{display:flex;flex-direction:column;gap:0;line-height:1.2}.brand-name{font-weight:700;font-size:1rem;letter-spacing:-.02em;color:var(--text-main)}.brand-tag{font-size:.6875rem;font-weight:500;color:var(--text-muted)}.header-nav{display:flex;align-items:center;gap:4px;margin-left:28px}.header-nav a{font-size:.8125rem;font-weight:500;color:var(--text-muted);text-decoration:none;padding:6px 12px;border-radius:var(--radius-sm);transition:color .15s,background .15s}.header-nav a:hover{color:var(--text-main);background:var(--bg-muted)}.header-nav a.is-active{color:var(--rf-brand);background:var(--brand-muted-bg)}.header-center{display:flex;align-items:center;gap:12px;flex:1;justify-content:center;max-width:480px}.mission-select-wrapper{display:flex;align-items:center;gap:8px;flex:1}.mission-select-wrapper label{font-size:.8125rem;font-weight:500;color:var(--text-muted);white-space:nowrap}.mission-select{flex:1;background:var(--bg-main);border:1px solid var(--border-color);color:var(--text-main);padding:7px 12px;border-radius:var(--radius-sm);outline:none;font-size:.8125rem;font-family:var(--font-ui);cursor:pointer;transition:border-color .15s,box-shadow .15s}.mission-select:hover{border-color:var(--border-strong)}.mission-select:focus{border-color:var(--rf-brand);box-shadow:0 0 0 3px var(--focus-ring)}.badge{padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:600;white-space:nowrap}.badge-round{background:var(--brand-muted-bg);color:var(--rf-brand);border:1px solid var(--brand-muted-border)}.header-right{display:flex;align-items:center;gap:10px}.stat-pill{display:flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-main);box-shadow:var(--shadow-sm)}.stat-pill-icon{width:16px;height:16px;color:var(--text-muted);flex-shrink:0}.timer-box{color:var(--accent-rose);border-color:#e11d4833;background:#e11d480a}.timer-box #timer-display{font-family:var(--font-code);font-size:.875rem;font-weight:600}.timer-label{font-size:.6875rem;font-weight:600;color:var(--text-muted)}.main-timer-box{color:var(--rf-brand);border-color:var(--brand-muted-border);background:var(--brand-muted-bg)}.main-timer-box #main-timer-display{font-family:var(--font-code);font-size:.875rem;font-weight:700}.credits-counter{color:var(--credits-fg);border-color:var(--credits-border);background:var(--credits-bg)}.event-credits-counter{color:var(--rf-brand);border-color:var(--brand-muted-border);background:var(--brand-muted-bg)}.event-credits-counter #event-credits-display{font-weight:700}.credits-counter #credits-display{font-family:var(--font-code);font-size:.8125rem}.player-level-pill{display:flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid rgba(217,119,6,.3);border-radius:999px;background:#d9770614;color:var(--accent-amber);font-size:.6875rem;font-weight:700;white-space:nowrap}.player-level-icon{font-size:.875rem}.timer-box.is-paused,.timer-box.is-waiting,.main-timer-box.is-waiting,.main-timer-box.is-paused{opacity:.65}.admin-timer-heading,.admin-timer-actions,.admin-timer-readouts{display:flex;align-items:center;gap:14px}.admin-timer-heading{justify-content:space-between}.admin-timer-heading p{margin:4px 0 0;color:var(--text-muted);font-size:.8rem}.admin-timer-readouts{margin:18px 0;flex-wrap:wrap}.admin-timer-readouts>div{min-width:130px;padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-subtle)}.admin-timer-readouts span,.admin-timer-readouts strong,.admin-timer-readouts small{display:block}.admin-timer-readouts span{color:var(--text-muted);font-size:.75rem}.admin-timer-readouts strong{margin-top:3px;font-family:var(--font-code);font-size:1.15rem}.admin-timer-readouts small{margin-top:2px;color:var(--text-muted);font-size:.7rem}.admin-timer-actions{justify-content:flex-start;flex-wrap:wrap}.participant-lock-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;display:grid;place-items:center;padding:24px;background:var(--bg-main)}.participant-lock-overlay[hidden]{display:none}.participant-lock-card{width:min(440px,100%);padding:32px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-panel);box-shadow:var(--shadow-md);text-align:center}.participant-lock-card h2{margin:10px 0 8px}.participant-lock-card p{margin:0 0 22px;color:var(--text-muted)}.participant-lock-icon{color:var(--rf-brand);font-size:2rem}.app-container{display:flex;flex:1;min-height:0;overflow:hidden}.sidebar-left,.sidebar-right{width:280px;background:var(--bg-sidebar);display:flex;flex-direction:column;z-index:20;flex-shrink:0}.sidebar-left{border-right:1px solid var(--border-color)}.sidebar-right{width:320px;border-left:1px solid var(--border-color)}.panel-header{padding:14px 16px;border-bottom:1px solid var(--border-color);font-size:.8125rem;font-weight:600;color:var(--text-main);display:flex;justify-content:space-between;align-items:center;background:var(--bg-panel)}.panel-header-hint{font-size:.6875rem;font-weight:500;color:var(--text-dim)}.hint-panel-btn{border:1px solid var(--brand-muted-border);border-radius:999px;padding:5px 11px;background:var(--brand-muted-bg);color:var(--rf-brand);font:inherit;font-size:.6875rem;font-weight:700;cursor:pointer;transition:background .2s ease,border-color .2s ease}.hint-panel-btn:hover,.hint-panel-btn:focus-visible{background:var(--focus-ring);border-color:var(--border-active);outline:none}.level-navigation{padding:12px 14px;border-bottom:1px solid var(--border-color);background:var(--bg-subtle)}.level-tabs{display:flex;gap:6px}.level-tab{flex:1;padding:7px 8px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-main);color:var(--text-muted);font:inherit;font-size:.6875rem;font-weight:700;cursor:pointer;transition:color .2s ease,background .2s ease,border-color .2s ease}.level-tab:hover,.level-tab.is-active{border-color:var(--border-active);background:var(--brand-muted-bg);color:var(--rf-brand)}.level-tab[data-level=easy].is-active{border-color:#10b9818c;background:#10b9811f;color:var(--credits-fg)}.level-tab[data-level=medium].is-active{border-color:#d977068c;background:#d977061f;color:var(--accent-amber)}.level-tab[data-level=hard].is-active{border-color:#e11d4880;background:#e11d481a;color:var(--accent-rose)}.level-tab.is-active .level-count{color:#fff}.level-tab[data-level=easy].is-active .level-count{background:#059669}.level-tab[data-level=medium].is-active .level-count{background:#b45309}.level-tab[data-level=hard].is-active .level-count{background:#e11d48}.level-count{display:inline-flex;min-width:18px;height:18px;align-items:center;justify-content:center;margin-left:3px;border-radius:999px;background:var(--bg-subtle);color:var(--text-muted);font-size:.625rem}.level-tab.is-active .level-count{background:var(--rf-brand);color:var(--bg-main)}.question-selector{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.question-chip{padding:5px 9px;border:1px solid var(--border-color);border-radius:999px;background:var(--bg-main);color:var(--text-muted);font:inherit;font-size:.625rem;font-weight:600;cursor:pointer}.question-chip:hover,.question-chip.is-current{border-color:var(--rf-brand);color:var(--rf-brand)}.question-chip.is-complete{border-color:#10b98199;background:#10b98129;color:var(--pass-fg, #047857)}.question-chip.is-tried{border-color:#ea7808a6;background:#f9731629;color:#c2570c}.question-chip.is-unattempted,.question-chip.is-wrong{border-color:#e11d4899;background:#e11d4824;color:var(--accent-rose)}.question-navigation{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.question-nav-btn{padding:5px 8px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-main);color:var(--text-muted);font:inherit;font-size:.625rem;font-weight:600;cursor:pointer}.question-nav-btn:hover:not(:disabled){border-color:var(--rf-brand);color:var(--rf-brand)}.question-nav-btn:disabled{cursor:not-allowed;opacity:.4}.question-position{color:var(--text-dim);font-size:.625rem;font-weight:600}.search-box{padding:12px 14px;background:var(--bg-panel);border-bottom:1px solid var(--border-color)}.search-input{width:100%;background:var(--bg-main);border:1px solid var(--border-color);padding:8px 12px 8px 34px;border-radius:var(--radius-sm);color:var(--text-main);font-size:.8125rem;font-family:var(--font-ui);outline:none;background-image:var(--search-icon);background-repeat:no-repeat;background-position:10px center;transition:border-color .15s,box-shadow .15s}.search-input:focus{border-color:var(--rf-brand);box-shadow:0 0 0 3px var(--focus-ring-strong)}.search-input::placeholder{color:var(--text-dim)}.module-list{flex:1;overflow-y:auto;padding:12px 14px 16px;display:flex;flex-direction:column;gap:20px}.module-category{display:flex;flex-direction:column;gap:6px}.category-title{font-size:.6875rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;padding:0 2px 4px}.module-card{background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:10px 12px;cursor:grab;-webkit-user-select:none;user-select:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-sm)}.module-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-1px)}.module-card:active{cursor:grabbing}.module-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}.cat-data{background:linear-gradient(135deg,#3b82f6,#2563eb)}.cat-math{background:linear-gradient(135deg,var(--rf-brand),#9333ea)}.cat-string{background:linear-gradient(135deg,var(--accent-amber),#b45309)}.cat-logic{background:linear-gradient(135deg,var(--accent-emerald),#059669)}.cat-chart{background:linear-gradient(135deg,var(--rf-accent),#db2777)}.cat-algo{background:linear-gradient(135deg,var(--accent-amber, #f59e0b),#d97706)}.module-info{display:flex;flex-direction:column;min-width:0}.module-name{font-size:.8125rem;font-weight:600;color:var(--text-main)}.module-desc{font-size:.6875rem;color:var(--text-muted);margin-top:2px;line-height:1.35}.output-content{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.output-block{background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow-sm)}.block-title{font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}.output-block p.mission-desc{font-size:.8125rem;color:var(--text-muted);line-height:1.5}.mission-details{display:grid;gap:8px;margin-top:12px}.mission-details>div{padding:8px 9px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-subtle)}.mission-details span{display:block;margin-bottom:4px;color:var(--text-muted);font-size:.625rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.mission-details p,.mission-details pre{margin:0;color:var(--text-main);font:.75rem/1.45 var(--font-code);white-space:pre-wrap;word-break:break-word}.mission-reference-image{display:block;width:100%;max-height:220px;margin-top:12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-subtle);object-fit:contain}.mission-reference-image[hidden]{display:none}#mission-title{font-size:.9375rem;font-weight:700;color:var(--text-main);text-transform:none;letter-spacing:-.01em}.result-view{font-family:var(--font-code);font-size:.8125rem;color:var(--rf-brand);background:var(--bg-code);padding:12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);white-space:pre-wrap;word-break:break-word;min-height:56px;line-height:1.5}.result-view.is-error{color:var(--accent-rose);border-color:#e11d4840;background:#e11d480a}.mapping-toast{position:fixed;z-index:1000;top:72px;left:50%;max-width:min(360px,calc(100vw - 32px));padding:12px 18px;border:1px solid var(--brand-muted-border);border-radius:var(--radius-md);background:var(--bg-panel);color:var(--text-main);box-shadow:var(--shadow-md);font-size:.8125rem;font-weight:600;text-align:center;opacity:0;pointer-events:none;transform:translate(-50%,-10px);transition:opacity .2s ease,transform .2s ease}.mapping-toast.is-visible{opacity:1;transform:translate(-50%)}.mapping-toast.is-success{border-color:#10b98159;color:var(--pass-fg)}.mapping-toast.is-error{border-color:#e11d484d;color:var(--accent-rose)}.progress-heading,.xp-summary,.mission-progress-label{display:flex;justify-content:space-between;align-items:center}.xp-summary{margin:2px 0 7px;font-size:.75rem}.xp-summary strong{color:var(--text-main)}.xp-summary span,.mission-progress-label{color:var(--text-muted);font-size:.6875rem}.xp-track,.mission-progress-track{height:7px;overflow:hidden;border-radius:999px;background:var(--bg-muted)}.xp-bar,.mission-progress-bar{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--rf-brand),var(--rf-accent));transition:width .35s ease}.mission-progress-label{margin:14px 0 6px}.mission-progress-label strong{color:var(--text-main)}.mission-progress-bar{background:var(--accent-emerald)}.badges-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.badge-chip{padding:4px 8px;border:1px solid rgba(217,119,6,.25);border-radius:999px;background:#d9770614;color:var(--accent-amber);font-size:.625rem;font-weight:600}.badge-chip.is-locked{border-color:var(--border-color);background:var(--bg-muted);color:var(--text-dim)}.trial-counter{align-self:center;color:var(--text-muted);font-size:.75rem;font-weight:600;white-space:nowrap}.hint-cost{margin-top:14px;color:var(--accent-rose)}.hint-modal-actions{display:flex;justify-content:flex-end;margin-top:16px}.chart-preview-img{max-width:100%;border-radius:var(--radius-sm);border:1px solid var(--border-color);margin-top:10px}.test-list{display:flex;flex-direction:column;gap:6px}.test-item{background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 12px;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem}.test-item.pass{border-color:#10b98159;background:#10b9810f}.test-item.fail{border-color:#e11d484d;background:#e11d480a}.test-status{font-weight:600;font-size:.75rem;padding:2px 8px;border-radius:999px}.test-status.pass{color:var(--pass-fg);background:#10b98126}.test-status.fail{color:var(--accent-rose);background:#e11d481a}.scoring-breakdown{display:flex;flex-direction:column;gap:6px;font-size:.8125rem;color:var(--text-muted)}.scoring-row{display:flex;justify-content:space-between}.scoring-row strong{color:var(--text-main);font-weight:600}.scoring-row.bonus{color:var(--rf-brand)}.scoring-placeholder{font-size:.8125rem;color:var(--text-dim)}.app-footer{height:var(--footer-height);background:var(--bg-header);border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:100;flex-shrink:0}.footer-meta{font-size:.75rem;color:var(--text-dim);font-weight:500}.action-btns{display:flex;gap:8px}.btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:.8125rem;font-weight:600;font-family:var(--font-ui);cursor:pointer;border:none;display:inline-flex;align-items:center;gap:6px;transition:background .15s,border-color .15s,box-shadow .15s,transform .1s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--btn-primary-bg);color:#fff;box-shadow:0 1px 2px var(--btn-primary-shadow)}.btn-primary:hover:not(:disabled){background:var(--btn-primary-hover)}.btn-secondary{background:var(--bg-main);color:var(--text-main);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--bg-muted);border-color:var(--border-strong)}.btn-success{background:var(--btn-success-bg);color:var(--btn-success-fg)}.btn-danger{background:#dc2626;color:#fff;box-shadow:0 1px 2px #dc262659}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-success:hover:not(:disabled){background:var(--btn-success-hover)}.btn-icon{width:16px;height:16px;flex-shrink:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--modal-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-content{background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:420px;max-width:92%;padding:20px;box-shadow:var(--shadow-md)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-title{font-size:1rem;font-weight:700;letter-spacing:-.02em}.modal-body{display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8125rem;font-weight:500;color:var(--text-muted)}.form-control{background:var(--bg-main);border:1px solid var(--border-color);padding:8px 12px;border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--font-ui);font-size:.875rem;outline:none}.form-control:focus{border-color:var(--rf-brand);box-shadow:0 0 0 3px var(--focus-ring-strong)}.node-btn{background:transparent;border:none;color:var(--text-dim);cursor:pointer;padding:4px 6px;border-radius:var(--radius-sm);font-size:.875rem;transition:color .15s,background .15s}.node-btn:hover{color:var(--text-main);background:var(--bg-muted)}.theme-toggle{width:36px;height:36px;padding:0;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-main);color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);transition:border-color .15s,color .15s,background .15s}.theme-toggle:hover{border-color:var(--border-strong);color:var(--rf-brand);background:var(--bg-muted)}.theme-toggle svg{width:18px;height:18px}.theme-toggle .icon-sun,.theme-toggle .icon-moon{display:none}[data-color-mode=light] .theme-toggle .icon-moon,[data-color-mode=dark] .theme-toggle .icon-sun{display:block}body.admin-page{overflow:auto;height:auto;min-height:100vh;background:var(--bg-subtle);padding:32px 24px 48px}.admin-login[hidden],.admin-container[hidden],.app-gated[hidden]{display:none}.admin-login{min-height:calc(100vh - 80px);display:grid;place-items:center}.admin-login-card{position:relative;width:min(100%,390px);padding:32px;background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.admin-login-card:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,#70f,#ff0072)}.admin-login-card .brand-name{color:var(--rf-brand);font-size:.8125rem;font-weight:800;letter-spacing:.08em}.admin-login-card h1{margin-top:18px;font-size:1.5rem}.admin-login-card p{margin:8px 0 22px;color:var(--text-muted);font-size:.8125rem;line-height:1.5}.admin-login-card form{display:flex;flex-direction:column;gap:8px}.admin-login-card label{color:var(--text-muted);font-size:.75rem;font-weight:600}.admin-login-card input{width:100%;padding:10px 12px;margin-bottom:8px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--text-main);font:inherit}.admin-login-error{min-height:18px;color:var(--accent-rose);font-size:.75rem}.admin-container{max-width:960px;margin:0 auto}.admin-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px;flex-wrap:wrap}.admin-header h1{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:var(--text-main)}.admin-header p{color:var(--text-muted);font-size:.875rem;margin-top:6px;line-height:1.5}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.admin-section-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.metric-list,.participant-list{display:flex;flex-direction:column;gap:8px}.metric-list>div,.participant-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border-color);font-size:.8125rem}.metric-list strong,.participant-row span:first-child{color:var(--text-main);font-weight:700}.participant-add{display:flex;gap:8px;margin:16px 0 10px}.participant-add .search-input{min-width:0;flex:1;border:1px solid var(--border-color);background:var(--bg-subtle)}.participant-add .btn,.participant-row .btn{padding:8px 12px;font-size:.75rem}.level-grid,.question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.level-card,.question-grid>div{padding:14px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-subtle)}.level-card strong,.question-grid strong{display:block;color:var(--rf-brand);font-size:1.25rem}.level-card span,.question-grid span{display:block;color:var(--text-muted);font-size:.75rem;margin-top:5px}.level-card[data-level=easy]{border-color:#10b98159;background:#10b98112}.level-card[data-level=easy] strong{color:var(--credits-fg)}.level-card[data-level=medium]{border-color:#d9770659;background:#d9770612}.level-card[data-level=medium] strong{color:var(--accent-amber)}.level-card[data-level=hard]{border-color:#e11d4852;background:#e11d480f}.level-card[data-level=hard] strong{color:var(--accent-rose)}.question-summary-card{margin-bottom:24px}.question-grid{grid-template-columns:repeat(4,1fr)}@media (min-width: 1440px){.sidebar-left{width:300px}.sidebar-right{width:360px}.admin-container{max-width:1280px}}@media (max-width: 1439px) and (min-width: 1025px){.sidebar-left{width:260px}.sidebar-right{width:300px}}@media (max-width: 1024px){.header-nav{display:none}.header-center{max-width:320px}.mission-select-wrapper label{display:none}.sidebar-left,.sidebar-right{width:220px}.module-desc{display:none}.stats-row,.admin-section-grid,.level-grid,.question-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 900px){.app-header{flex-wrap:wrap;height:auto;min-height:var(--header-height);padding:8px 14px;gap:8px}.header-center{order:3;flex-basis:100%;max-width:none;justify-content:flex-start}.header-right{flex-wrap:wrap;gap:6px}.stat-pill{padding:5px 9px;font-size:.75rem}}@media (max-width: 767px){body{height:auto;min-height:100vh;overflow:auto}.app-container{flex-direction:column;overflow:auto;height:auto}.sidebar-left,.sidebar-right{width:100%;max-height:46vh}.sidebar-left{border-right:none;border-bottom:1px solid var(--border-color)}.sidebar-right{border-left:none;border-top:1px solid var(--border-color)}.canvas-wrapper{min-height:50vh;flex-shrink:0}.module-desc{display:block}.canvas-toolbar{flex-wrap:wrap}.app-footer{flex-wrap:wrap;height:auto;padding:10px 14px;gap:8px}.action-btns{flex-wrap:wrap;width:100%;justify-content:flex-start}.modal-content{width:92vw;max-width:92vw;max-height:88vh}.stats-row,.admin-section-grid,.level-grid,.question-grid{grid-template-columns:1fr}.admin-container{padding:16px}}@media (max-width: 480px){.brand-tag{display:none}.header-right .stat-pill .timer-label,.header-right .player-level-pill span:not(.player-level-icon){display:none}.sidebar-left,.sidebar-right{max-height:42vh}.panel-header{padding:10px 12px;font-size:.75rem}.module-card{padding:8px}.canvas-wrapper{min-height:40vh}.app-footer .btn{flex:1 1 auto;text-align:center}.trial-counter{width:100%;text-align:center}.admin-timer-actions,.participant-add{flex-direction:column;align-items:stretch}.admin-table{display:block;overflow-x:auto;white-space:nowrap}}.stat-card{position:relative;background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);overflow:hidden}.stat-card:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--rf-brand)}.stats-row .stat-card:nth-child(1):before{background:var(--rf-brand)}.stats-row .stat-card:nth-child(2):before{background:var(--accent-blue)}.stats-row .stat-card:nth-child(3):before{background:var(--accent-emerald)}.stat-val{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:var(--rf-brand);line-height:1.1}.stat-lbl{font-size:.8125rem;color:var(--text-muted);margin-top:6px;font-weight:500}.table-card{background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm)}.table-card h3{font-size:.9375rem;font-weight:700;margin-bottom:16px;letter-spacing:-.02em}.admin-table{width:100%;border-collapse:collapse;font-size:.875rem}.admin-table th,.admin-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border-color)}.admin-table thead th{color:var(--text-muted);font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--bg-subtle);border-bottom:1px solid var(--border-strong)}.admin-table tbody tr:last-child td{border-bottom:none}.admin-table tbody tr:hover td{background:var(--bg-subtle)}.rank-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;font-weight:700;font-size:.75rem;color:var(--text-muted)}.rank-badge-1{background:#d9770629;color:#92400e}.rank-badge-2{background:#71717a29;color:#3f3f46}.rank-badge-3{background:#b4530924;color:#7c2d12}.leaderboard-row-rank-1 td{background:#d977060d}.leaderboard-row-rank-2 td{background:#71717a0d}.leaderboard-row-rank-3 td{background:#b453090a}.admin-table .cell-team{font-weight:600;font-family:var(--font-code);color:var(--rf-brand)}.admin-table .cell-credits{font-weight:600;color:var(--credits-fg)}.mapping-preview{max-width:340px;max-height:180px;overflow:auto;margin-top:8px;padding:8px;border-radius:var(--radius-sm);background:var(--bg-code);color:var(--text-muted);font-family:var(--font-code);font-size:.6875rem;white-space:pre-wrap}.mapping-editor{display:block;width:min(420px,55vw);min-height:150px;margin-top:8px;padding:8px;resize:vertical;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-code);color:var(--text-main);font-family:var(--font-code);font-size:.6875rem}.save-mapping-btn{margin-top:6px;padding:7px 10px;font-size:.6875rem}.status-badge{display:inline-block;padding:4px 10px;border-radius:999px;border:1px solid transparent;font-size:.6875rem;font-weight:700;letter-spacing:.03em}.status-accepted{background:#10b98124;border-color:#10b9814d;color:var(--pass-fg)}.status-rejected{background:#e11d481f;border-color:#e11d4847;color:var(--accent-rose)}.hint-guide h4{margin:14px 0 4px;font-size:.85rem}.hint-guide p,.hint-guide li{font-size:.82rem;line-height:1.5;margin:2px 0}.hint-guide ol{margin:4px 0 0 18px;padding:0}.hint-guide{max-height:50vh;overflow-y:auto}.question-input-card{margin:10px 12px 4px;padding:10px 12px;border:1px dashed var(--border, #94a3b8);border-radius:8px}.question-input-title{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;opacity:.75}.question-input-value{margin:6px 0;font-family:Consolas,monospace;font-size:.82rem;white-space:pre-wrap;word-break:break-word;max-height:140px;overflow-y:auto}.question-input-hint{font-size:.72rem;opacity:.7;line-height:1.4}.question-chip.is-current{box-shadow:0 0 0 2px currentColor}.question-chip.is-complete:hover,.question-chip.is-tried:hover,.question-chip.is-unattempted:hover,.question-chip.is-wrong:hover{filter:brightness(.96)}.exit-event-btn{border-color:var(--accent-rose);color:var(--accent-rose);font-weight:600}.exit-event-btn[hidden]{display:none}.exit-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10001;display:grid;place-items:center;padding:24px;background:var(--bg-main);overflow:auto}.exit-overlay[hidden],.exit-card[hidden],.exit-final[hidden]{display:none}.exit-card{width:min(460px,100%);padding:32px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-panel);box-shadow:var(--shadow-md);text-align:center}.exit-card p{color:var(--text-muted)}.exit-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}.exit-final{position:relative;width:min(760px,100%);padding:44px 28px;border-radius:24px;text-align:center;color:#fff;background:linear-gradient(135deg,#4c00b0,#70f 45%,#ff0072);box-shadow:0 24px 60px #7700ff59;overflow:hidden;animation:exit-rise .7s ease both}.exit-final .brand-name{color:#ffffffd9;letter-spacing:.3em}.exit-thanks{margin:14px 0 6px;font-size:clamp(1.6rem,4.6vw,2.8rem);line-height:1.2;letter-spacing:.04em;text-shadow:0 4px 18px rgba(0,0,0,.3)}.exit-player{margin:0 0 18px;color:#ffffffd9}.exit-total{display:inline-flex;flex-direction:column;align-items:center;padding:14px 36px;border-radius:18px;background:#ffffff29}.exit-total span{font-size:3.4rem;font-weight:800;line-height:1}.exit-total small{opacity:.85;text-transform:uppercase;letter-spacing:.12em}.exit-levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:22px}.exit-level{padding:14px;border-radius:14px;background:#ffffff24;text-align:left}.exit-level strong{display:block;text-transform:capitalize;margin-bottom:4px}.exit-level span{display:block;font-size:.85rem;opacity:.9}.exit-rank{margin:20px 0 0;font-weight:600}.exit-confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.6;background-image:radial-gradient(circle,rgba(255,255,255,.55) 2px,transparent 3px),radial-gradient(circle,rgba(255,210,90,.7) 3px,transparent 4px);background-size:90px 90px,140px 140px;background-position:0 0,40px 60px;animation:exit-fall 9s linear infinite}@keyframes exit-fall{to{background-position:0 900px,40px 960px}}@keyframes exit-rise{0%{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){.exit-final,.exit-confetti{animation:none}}#hint-confirm-view[hidden],#hint-steps-view[hidden]{display:none}.hint-step-list{margin:8px 0 0;padding-left:20px}.hint-step-list li{margin-bottom:10px}body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}img,canvas,video{max-width:100%;height:auto}.canvas-wrapper{touch-action:none;overscroll-behavior:contain}.node-header{touch-action:none}@supports (height: 100dvh){body{height:100dvh}}@media (pointer: coarse){.port{width:20px;height:20px}.port-input{top:-10px}.port-output{bottom:-10px}.tool-btn{width:44px;height:44px}.node-btn{min-width:32px;min-height:32px}.btn,button,select{min-height:40px}.module-card{min-height:48px;cursor:pointer}input,select,textarea{font-size:16px}}@media (max-width: 767px){body{height:auto;min-height:100dvh}.canvas-wrapper{min-height:60dvh}.sidebar-left,.sidebar-right{max-height:40dvh}.canvas-toolbar{flex-direction:row;bottom:10px;left:10px}.app-footer{padding-bottom:calc(10px + env(safe-area-inset-bottom))}.modal-content{width:96vw;max-width:96vw;max-height:90dvh;overflow:auto}body.admin-page{padding:16px 12px 32px}table{max-width:100%}}@media (max-width: 360px){.app-header{padding:6px 8px}.stat-pill{padding:4px 6px;font-size:.6875rem}.canvas-node{width:160px}}@media (max-height: 500px) and (orientation: landscape){body{height:auto;min-height:100dvh;overflow:auto}.app-container{flex-direction:column;height:auto;overflow:visible}.sidebar-left,.sidebar-right{width:100%;max-height:60dvh}.canvas-wrapper{min-height:85dvh;flex-shrink:0}}.level-tab.is-locked{opacity:.5;cursor:not-allowed}.canvas-wrapper{flex:1;position:relative;background-color:var(--canvas-bg);background-image:var(--canvas-glow),radial-gradient(circle,var(--canvas-dot) 1px,transparent 1px);background-size:100% 100%,20px 20px;background-position:center,0 0;overflow:hidden;cursor:grab;transition:background-color .25s ease}.canvas-wrapper.is-panning{cursor:grabbing}.canvas-viewport{width:100%;height:100%;position:absolute;top:0;left:0;transform-origin:0 0}#connections-svg{position:absolute;top:0;left:0;width:5000px;height:5000px;pointer-events:none;z-index:5;overflow:visible}.connection-track{stroke:var(--rf-edge);stroke-width:3px;fill:none;stroke-linecap:round;opacity:.12;pointer-events:none}.connection-path{stroke:#d9d9e2;stroke-width:1.6px;fill:none;stroke-linecap:round;cursor:pointer;pointer-events:stroke;stroke-dasharray:1.25 7.5;animation:rf-flow 1.35s linear infinite;transition:stroke .15s,stroke-width .15s,opacity .15s}.connection-path:hover{stroke:var(--rf-accent);stroke-width:2px;stroke-dasharray:1.5 6.5}.connection-path.drawing{stroke:var(--rf-brand);stroke-width:2px;stroke-dasharray:5 5;animation:rf-dash .6s linear infinite}[data-color-mode=light] .connection-track{stroke:#1f1f2e;stroke-width:3.5px;opacity:.35}[data-color-mode=light] .connection-path{stroke:#1f1f2e;stroke-width:2.6px;stroke-dasharray:2.5 7}[data-color-mode=light] .connection-path:hover{stroke:var(--rf-accent);stroke-width:3px}[data-color-mode=light] .connection-path.drawing{stroke:var(--rf-brand);stroke-width:2.8px;stroke-dasharray:5 5}@keyframes rf-dash{to{stroke-dashoffset:-10}}@keyframes rf-flow{to{stroke-dashoffset:-11}}@media (prefers-reduced-motion: reduce){.connection-path,.connection-path.drawing{animation:none}}.canvas-node{position:absolute;width:180px;-webkit-user-select:none;user-select:none;background:var(--node-bg);border:1px solid var(--node-border);border-radius:var(--radius-sm);box-shadow:var(--node-shadow);z-index:10;transition:box-shadow .15s,border-color .15s,background .2s;font-size:12px}.canvas-node.selected{border-color:var(--rf-brand);box-shadow:0 0 0 2px var(--node-selected-ring),var(--node-shadow)}.canvas-node.status-success{border-color:var(--accent-emerald)}.canvas-node.status-error{border-color:var(--accent-rose)}.node-header{padding:8px 10px;border-bottom:1px solid var(--border-color);border-radius:calc(var(--radius-sm) - 1px) calc(var(--radius-sm) - 1px) 0 0;display:flex;align-items:center;justify-content:space-between;cursor:move;background:var(--bg-subtle)}.node-title-group{display:flex;align-items:center;gap:8px;min-width:0}.node-type-icon{width:22px;height:22px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.625rem;font-weight:800;color:#fff;flex-shrink:0}.node-title{font-size:.8125rem;font-weight:600;color:var(--text-main);letter-spacing:-.01em}.node-actions{display:flex;align-items:center;gap:2px}.node-body{padding:10px;font-size:.6875rem;color:var(--text-muted);line-height:1.4}.node-config-summary{font-family:var(--font-code);font-size:.625rem;background:var(--bg-code);padding:4px 8px;border-radius:4px;color:var(--rf-brand);margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:1px solid var(--border-color)}.node-ports{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.port{width:10px;height:10px;border-radius:50%;background:var(--rf-handle);border:2px solid var(--handle-ring);position:absolute;cursor:crosshair;transition:transform .12s,background-color .12s,box-shadow .12s;z-index:15;pointer-events:auto;box-shadow:0 0 0 1px #0000001f}.port:hover{transform:scale(1.25);background:var(--rf-accent)}.port-input{left:50%;transform:translate(-50%);top:-5px}.port-input:hover{transform:translate(-50%) scale(1.25)}.port-output{left:50%;transform:translate(-50%);bottom:-5px;top:auto}.port-output:hover{transform:translate(-50%) scale(1.25)}.port.is-connecting{background:var(--rf-brand);box-shadow:0 0 0 4px var(--port-connect-ring)}.canvas-toolbar{position:absolute;bottom:16px;left:16px;background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-sm);display:flex;flex-direction:column;gap:0;padding:4px;z-index:30;box-shadow:var(--shadow-panel)}.tool-btn{background:transparent;border:none;color:var(--text-muted);width:32px;height:32px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s,color .12s}.tool-btn:hover{background:var(--bg-muted);color:var(--rf-brand)}.tool-btn svg{width:16px;height:16px}.tool-btn-divider{height:1px;background:var(--border-color);margin:2px 4px}.node-fields{display:flex;flex-direction:column;gap:4px;margin-top:6px}.node-field{width:100%;box-sizing:border-box;padding:4px 6px;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-main);color:var(--text-main, inherit);font:inherit;font-size:.6875rem;user-select:text;-webkit-user-select:text}.node-field::placeholder{color:var(--text-muted);opacity:.7}.node-field:focus{outline:none;border-color:var(--rf-brand)}textarea.node-field{resize:vertical;min-height:34px}#root{display:contents}.header-action-btn{padding:4px 10px;font-size:12px;white-space:nowrap}.intro-overlay{z-index:10002}.intro-content{width:min(680px,94vw);max-height:86vh;display:flex;flex-direction:column}.intro-body{overflow-y:auto;font-size:13px;line-height:1.55}.intro-body h4{margin:14px 0 4px}.intro-body ul{margin:6px 0;padding-left:20px;display:grid;gap:6px}.intro-content .hint-modal-actions{margin-top:14px}.avatar{display:inline-block;border-radius:50%;object-fit:cover;vertical-align:middle;flex:none;background:var(--bg-panel);border:1px solid var(--border-color)}.avatar-initials{display:inline-grid;place-items:center;font-weight:700;color:var(--text-main)}.avatar-picker{margin:4px 0 14px}.avatar-picker-title{font-size:12px;font-weight:600;margin-bottom:8px}.avatar-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;justify-items:center}.avatar-option{padding:2px;border-radius:50%;border:2px solid transparent;background:transparent;cursor:pointer;line-height:0;transition:border-color .12s,transform .12s}.avatar-option:hover{transform:scale(1.06)}.avatar-option.is-selected{border-color:#70f;box-shadow:0 0 0 3px #7700ff40}.avatar-picker-empty{grid-column:1 / -1;font-size:12px;color:var(--text-dim)}#player-identity-pill{display:inline-flex;align-items:center;gap:6px}html{-webkit-text-size-adjust:100%}img,svg,video{max-width:100%}.app-header{flex-wrap:wrap;height:auto;min-height:var(--header-height);row-gap:6px;padding-top:max(6px,env(safe-area-inset-top));padding-bottom:6px}.header-right{flex-wrap:wrap;justify-content:flex-end;gap:6px;min-width:0}.stat-pill,.header-action-btn,.brand-name,.trial-counter,.level-tab{white-space:nowrap}.brand{min-width:0}#participant-register{flex:1;min-height:0;overflow-y:auto;padding:16px;place-items:start center}#participant-register .admin-login-card{margin:auto;width:min(100%,440px)}@media (min-width: 1800px){html{font-size:17px}.sidebar-left{width:340px}.sidebar-right{width:400px}.admin-container{max-width:1500px}}@media (min-width: 2400px){html{font-size:20px}.sidebar-left{width:400px}.sidebar-right{width:460px}.admin-container{max-width:1900px}}@media (min-width: 3200px){html{font-size:26px}.sidebar-left{width:520px}.sidebar-right{width:580px}.admin-container{max-width:2600px}}@media (max-width: 1280px){.header-nav,.brand-tag{display:none}.stat-pill{padding:5px 8px;gap:5px;font-size:.75rem}.header-action-btn{padding:4px 8px}}@media (max-width: 1100px){.stat-pill-icon{display:none}.sidebar-left{width:220px}.sidebar-right{width:270px}}@media (max-width: 900px){body{height:auto;min-height:100dvh;overflow:auto}.app-container{flex-direction:column;flex:none;height:auto;overflow:visible}.sidebar-left,.sidebar-right{width:100%;max-height:38dvh;flex-shrink:0}.sidebar-left{border-right:none;border-bottom:1px solid var(--border-color)}.sidebar-right{max-height:none;border-left:none;border-top:1px solid var(--border-color)}.canvas-wrapper{min-height:62dvh;flex:none}.module-desc{display:block}.app-footer{height:auto;flex-wrap:wrap;gap:8px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));position:sticky;bottom:0}.action-btns{flex-wrap:wrap;width:100%;justify-content:flex-start;gap:8px}.header-right{justify-content:flex-start;width:100%}.intro-content,.modal-content{width:96vw;max-width:96vw;max-height:90dvh;overflow:auto}}@media (max-width: 600px){.app-header{padding-left:10px;padding-right:10px}.header-action-btn{flex:1 1 auto;text-align:center}.footer-meta{display:none}.action-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.action-btns .btn{text-align:center;padding-left:6px;padding-right:6px}.trial-counter{grid-column:1 / -1;order:-1;text-align:center}.sidebar-left{max-height:48dvh}.avatar-grid{grid-template-columns:repeat(4,1fr)}.canvas-wrapper{min-height:56dvh}.exit-final{padding:28px 16px}.exit-levels{grid-template-columns:1fr}.question-selector{flex-wrap:wrap}}@media (max-width: 360px){.avatar-grid{grid-template-columns:repeat(3,1fr)}.stat-pill{font-size:.6875rem}}@media (max-height: 560px){body{height:auto;min-height:100dvh;overflow:auto}.app-container{flex-direction:column;flex:none;height:auto;overflow:visible}.sidebar-left,.sidebar-right{width:100%;max-height:70dvh}.canvas-wrapper{min-height:90dvh;flex:none}.app-footer{position:sticky;bottom:0}}.table-card{overflow-x:auto}.admin-table{min-width:560px}.admin-header{flex-wrap:wrap;gap:12px}.participant-row,.admin-alerts .table-card{flex-wrap:wrap}@media (max-width: 700px){body.admin-page{padding:12px 10px 28px}.admin-container{padding:0}.admin-timer-actions .btn{flex:1 1 140px}.admin-timer-readouts>div{flex:1 1 130px}}@media (max-width: 1500px){.header-nav,.brand-tag,.stat-pill-icon{display:none}.stat-pill{padding:4px 7px;gap:4px;font-size:.72rem}.header-right{gap:5px}.header-action-btn{padding:3px 7px;font-size:11px}.header-right .theme-toggle{width:30px;height:30px}}.category-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 8px}.category-chip{border:1px solid var(--border-color);background:var(--bg-main);color:var(--text-muted);border-radius:999px;padding:4px 10px;font-size:.6875rem;font-weight:600;cursor:pointer}.category-chip.is-active{background:var(--rf-brand, #7c3aed);border-color:transparent;color:#fff}.module-name{font-size:.875rem}.mission-operation-code{margin:4px 0 0;padding:8px 10px;background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-sm, 6px);font-family:ui-monospace,Consolas,monospace;font-size:.75rem;line-height:1.45;white-space:pre;overflow-x:auto;color:var(--text-main)}.mission-operation-code.is-structured{font-family:inherit;font-size:.78rem;white-space:pre-wrap}body.participant-locked{-webkit-user-select:none;user-select:none}body.participant-locked input,body.participant-locked textarea,body.participant-locked select,body.participant-locked [contenteditable=true]{-webkit-user-select:text;user-select:text}