:root{--bg:#0a0e1a;--bg-mid:#111827;--bg-card:#1a2035;--glass-bg:rgba(255,255,255,0.05);--glass-border:rgba(255,255,255,0.1);--gold:#f59e0b;--gold-light:#fcd34d;--gold-dark:#d97706;--green:#10b981;--red:#ef4444;--blue:#3b82f6;--purple:#a855f7;--text:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--border:rgba(255,255,255,0.08);--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--shadow:0 8px 32px rgba(0,0,0,0.4);--shadow-gold:0 4px 20px rgba(245,158,11,0.25);--transition:0.25s cubic-bezier(0.4,0,0.2,1);--accent:var(--gold);--accent-light:var(--gold-light);--accent-dark:var(--gold-dark);--success:var(--green);--success-muted:rgba(16,185,129,0.12);--danger:var(--red);--danger-muted:rgba(239,68,68,0.12);--warning:var(--gold);--chrome-bg:rgba(255,255,255,0.07);--chrome-border:rgba(255,255,255,0.14);--chrome-hover-bg:color-mix(in srgb,var(--accent) 7%,transparent);--chrome-active-bg:color-mix(in srgb,var(--accent) 14%,transparent);--chrome-active-border:color-mix(in srgb,var(--accent) 42%,rgba(255,255,255,0.1));--chrome-fab-bg:var(--chrome-hover-bg);--chrome-fab-border:var(--chrome-active-border);--chrome-fab-color:var(--accent-light);--chrome-fab-shadow:0 2px 12px rgba(0,0,0,0.2);--chrome-fab-on-bg:var(--chrome-active-bg);--chrome-fab-on-border:var(--accent);--chrome-fab-on-color:var(--accent-light);--chrome-fab-on-shadow:var(--shadow-gold);--font-family:'Outfit',system-ui,sans-serif;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{height:100%;overflow-x:hidden;}body{font-family:var(--font-family);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-tap-highlight-color:transparent;overflow-x:hidden;}body::before{content:'';position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 20%,rgba(245,158,11,0.04) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(245,158,11,0.03) 0%,transparent 50%);pointer-events:none;z-index:0;}#app{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;}#confetti-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;display:none;}.view-exit{animation:fadeOut 0.2s ease forwards;}.view-enter{animation:slideUp 0.35s ease forwards;}@keyframes fadeOut{to{opacity:0;transform:translateY(-10px);}}@keyframes slideUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:none;}}.glass-card{background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-md);padding:20px;}h1{font-size:1.8rem;font-weight:var(--font-weight-extrabold);line-height:1.2;}h2{font-size:1.4rem;font-weight:var(--font-weight-bold);}h3{font-size:1.1rem;font-weight:var(--font-weight-semibold);}p{color:var(--text-muted);}.text-label{font-size:0.9rem;font-weight:var(--font-weight-medium);color:var(--text-muted);}.text-caption{font-size:0.78rem;color:var(--text-dim);line-height:1.45;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-family);font-weight:var(--font-weight-semibold);font-size:1rem;padding:14px 20px;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);width:100%;touch-action:manipulation;}.btn:active{transform:scale(0.97);}.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#1a1000;box-shadow:var(--shadow-gold);}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--gold-light),var(--gold));}.btn-primary:disabled{background:#2a2a2a;color:var(--text-dim);box-shadow:none;cursor:not-allowed;}.btn-large{font-size:1.1rem;padding:16px 24px;border-radius:var(--radius-md);}.btn-secondary{background:var(--glass-bg);border:1.5px solid var(--glass-border);color:var(--text);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}.btn-secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent-light);}.btn-secondary:disabled{opacity:0.5;cursor:not-allowed;box-shadow:none;}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-muted);}.btn-outline:hover:not(:disabled){border-color:var(--accent);color:var(--accent);}.btn-outline:disabled{opacity:0.5;cursor:not-allowed;}.badge{display:inline-flex;align-items:center;width:auto;padding:4px 10px;border-radius:999px;font-size:0.75rem;font-weight:var(--font-weight-semibold);background:rgba(245,158,11,0.15);border:1px solid rgba(245,158,11,0.35);color:var(--accent-light);box-shadow:none;cursor:default;}.form-group{margin-bottom:20px;}label{display:block;font-size:0.9rem;font-weight:500;color:var(--text-muted);margin-bottom:8px;}label i{margin-right:6px;}.required{color:var(--gold);margin-left:3px;}.optional{color:var(--text-dim);font-size:0.8rem;}input,textarea{width:100%;background:rgba(255,255,255,0.05);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font-family);font-size:1rem;padding:14px 16px;outline:none;transition:border-color var(--transition);}input:focus,textarea:focus{border-color:var(--gold);}input::placeholder{color:var(--text-dim);}.field-hint{font-size:0.78rem;color:var(--text-dim);margin-top:5px;display:block;}.field-hint--privacy{display:flex;align-items:flex-start;gap:5px;margin-top:8px;padding:8px 10px;background:var(--success-muted);border-radius:6px;border-left:2px solid rgba(16,185,129,0.5);color:rgba(255,255,255,0.75);}.field-hint--privacy .icon{flex-shrink:0;margin-top:1px;color:var(--success);}.error-msg{color:var(--red);font-size:0.9rem;margin-top:10px;}.error-msg.hidden{display:none;}.view-loading,.view-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:50vh;text-align:center;padding:40px 20px;}.view-loading i{font-size:2.5rem;color:var(--gold);}.view-error i{font-size:3rem;color:var(--red);}.view-error.full-page{min-height:100vh;}@keyframes spin{to{transform:rotate(360deg);}}.icon{display:inline-block;vertical-align:-0.125em;flex-shrink:0;}.icon-spin{animation:spin 1s linear infinite;}.star-rating .star-icon{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0 2px;}.star-rating .icon{width:1em;height:1em;}.toaster{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 24px;border-radius:50px;font-weight:500;font-size:0.9rem;z-index:9000;transition:opacity var(--transition);white-space:nowrap;}.toaster.success{background:var(--success);color:#fff;}.toaster.error{background:var(--danger);color:#fff;}.toaster.hidden{opacity:0;pointer-events:none;}.sync-btn,.presentation-mode-btn,.help-btn{position:fixed;z-index:8500;border-radius:50%;border:1.5px solid var(--chrome-fab-border);background:var(--chrome-fab-bg);color:var(--chrome-fab-color);display:flex;align-items:center;justify-content:center;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--chrome-fab-shadow);transition:transform var(--transition),background var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition);-webkit-tap-highlight-color:transparent;}.sync-btn:hover,.sync-btn:focus-visible,.presentation-mode-btn:hover,.presentation-mode-btn:focus-visible,.help-btn:hover,.help-btn:focus-visible{background:var(--chrome-fab-bg);border-color:var(--chrome-fab-border);color:var(--chrome-fab-color);box-shadow:var(--chrome-fab-shadow);outline:none;}.sync-btn:active:not(.needs-attention),.presentation-mode-btn:active,.help-btn:active{transform:scale(0.92);background:var(--chrome-fab-on-bg);border-color:var(--chrome-fab-on-border);color:var(--chrome-fab-on-color);box-shadow:var(--chrome-fab-on-shadow);}.presentation-mode-btn.is-active{background:var(--chrome-fab-on-bg);border-color:var(--chrome-fab-on-border);color:var(--chrome-fab-on-color);box-shadow:var(--chrome-fab-on-shadow);}.sync-btn{top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));width:36px;height:36px;font-size:1.1rem;}.sync-btn.hidden{display:none;}.sync-btn.is-syncing i{animation:sync-spin 0.8s linear infinite;}.sync-btn.needs-attention{border-color:color-mix(in srgb,var(--danger) 72%,transparent);color:#fff;background:color-mix(in srgb,var(--danger) 38%,rgba(255,255,255,0.06));animation:sync-pulse 1.5s ease-in-out infinite;}.sync-btn.needs-attention:hover,.sync-btn.needs-attention:focus-visible{background:color-mix(in srgb,var(--danger) 48%,rgba(255,255,255,0.06));border-color:color-mix(in srgb,var(--danger) 82%,transparent);color:#fff;box-shadow:0 4px 16px color-mix(in srgb,var(--danger) 35%,transparent);}.presentation-mode-btn{top:max(12px,env(safe-area-inset-top));left:max(12px,env(safe-area-inset-left));width:40px;height:40px;font-size:1.15rem;}.onboarding-overlay{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:rgba(10,14,26,0.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}.onboarding-card{width:100%;max-width:420px;max-height:min(88vh,640px);overflow-y:auto;background:linear-gradient(145deg,rgba(30,41,70,0.98),rgba(15,23,42,0.98));border:1px solid rgba(255,255,255,0.12);border-radius:18px;padding:22px 20px 20px;box-shadow:0 16px 48px rgba(0,0,0,0.5);}.onboarding-lang-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:18px;}.onboarding-lang-icon{font-size:1.25rem;color:var(--gold);flex-shrink:0;}.onboarding-lang-select{min-width:200px;max-width:100%;background:rgba(255,255,255,0.1);color:var(--text);border:1px solid rgba(255,255,255,0.22);padding:10px 14px;border-radius:10px;font-size:0.95rem;cursor:pointer;outline:none;text-align:center;text-align-last:center;}.onboarding-lang-select option{color:#1e293b;background:#fff;}.onboarding-locale--secondary{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,0.12);}.onboarding-locale--secondary .onboarding-title{font-size:1.05rem;color:var(--text-dim);}.onboarding-locale--secondary .onboarding-text,.onboarding-locale--secondary .onboarding-privacy{color:var(--text-dim);}.onboarding-title{font-size:1.3rem;font-weight:700;margin-bottom:8px;line-height:1.35;color:var(--text);}.onboarding-lead{font-size:0.9rem;color:var(--text-dim);margin-bottom:18px;line-height:1.5;}.onboarding-list{list-style:none;margin:0 0 20px;padding:0;}.onboarding-item{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;}.onboarding-item:last-child{margin-bottom:0;}.onboarding-privacy{display:flex;align-items:flex-start;gap:8px;font-size:0.8rem;line-height:1.45;color:var(--text-dim);margin:0 0 16px;padding:10px 12px;background:var(--success-muted);border-radius:8px;border-left:3px solid rgba(16,185,129,0.55);}.onboarding-privacy .icon{flex-shrink:0;margin-top:2px;color:var(--success);}.onboarding-text{font-size:0.88rem;line-height:1.55;color:var(--text);margin:0;flex:1;}.onboarding-text strong{color:var(--gold);font-weight:600;}.onboarding-icon-chip{flex-shrink:0;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.15rem;background:var(--glass-bg);border:1.5px solid var(--chrome-border);color:var(--text-muted);}.onboarding-icon-chip--lang{color:var(--accent);}.onboarding-icon-chip--sync{color:var(--danger);}.onboarding-icon-chip--guide{color:var(--success);}.onboarding-icon-chip--present{color:var(--accent-light);}.onboarding-icon-chip--tips{color:var(--text-dim);}.onboarding-inline-icon{display:inline-flex;vertical-align:middle;margin:0 2px;}.onboarding-icon-chip--sm{width:28px;height:28px;font-size:0.9rem;}.onboarding-icon-chip--sm .icon{width:1em;height:1em;}.onboarding-dismiss{width:100%;margin-top:4px;}@keyframes celebrate-pulse{0%{box-shadow:0 0 0 0 rgba(245,158,11,0.35);}70%{box-shadow:0 0 0 14px rgba(245,158,11,0);}100%{box-shadow:none;}}@keyframes sync-spin{to{transform:rotate(360deg);}}@keyframes sync-pulse{0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,0.35);}50%{box-shadow:0 0 0 8px rgba(239,68,68,0);}}.splash-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:20px;}.splash-icon{font-size:4rem;color:var(--gold);animation:pulse 2s ease-in-out infinite;}.splash-title{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--gold),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.splash-loader{display:flex;gap:8px;}.splash-loader span,.waiting-dots span,.mini-dots span{width:8px;height:8px;background:var(--gold);border-radius:50%;animation:bounce 1.2s ease-in-out infinite;}.splash-loader span:nth-child(2),.waiting-dots span:nth-child(2),.mini-dots span:nth-child(2){animation-delay:0.2s;}.splash-loader span:nth-child(3),.waiting-dots span:nth-child(3),.mini-dots span:nth-child(3){animation-delay:0.4s;}@keyframes bounce{0%,80%,100%{transform:scale(0.6)}40%{transform:scale(1)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}.register-view{min-height:100vh;display:flex;flex-direction:column;}.register-header{background:linear-gradient(180deg,rgba(245,158,11,0.1) 0%,transparent 100%);padding:50px 24px 32px;text-align:center;border-bottom:1px solid var(--border);}.tour-badge{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:rgba(245,158,11,0.15);border:2px solid rgba(245,158,11,0.3);font-size:2rem;color:var(--gold);margin-bottom:16px;}.tour-title{font-size:1.9rem;font-weight:800;margin-bottom:10px;background:linear-gradient(135deg,#fff,var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.guide-name{font-size:0.95rem;color:var(--text-muted);}.guide-name strong{color:var(--text);}.register-card{margin:24px 20px;flex:1;}.register-card h2{margin-bottom:6px;}.register-subtitle{margin-bottom:24px;}.waiting-view{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:40px 24px;}.waiting-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px;}.waiting-content h2{font-size:2rem;}.waiting-content p{font-size:1.1rem;}.waiting-sub{font-size:0.9rem;color:var(--text-dim);}.waiting-dots{display:flex;gap:10px;margin-top:10px;}.pulse-ring{position:relative;display:flex;align-items:center;justify-content:center;width:100px;height:100px;}.pulse-ring::before,.pulse-ring::after{content:'';position:absolute;border-radius:50%;border:2px solid var(--gold);animation:ripple 2.5s ease-out infinite;}.pulse-ring::after{animation-delay:1.2s;}@keyframes ripple{0%{width:60px;height:60px;opacity:0.8;}100%{width:120px;height:120px;opacity:0;}}.pulse-dot{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dark));display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#1a1000;z-index:1;box-shadow:var(--shadow-gold);}.location-view{display:flex;flex-direction:column;min-height:100vh;}.slideshow{position:relative;width:100%;height:300px;background:var(--bg-card);overflow:hidden;}.slides-wrapper{position:relative;width:100%;height:100%;}.slide{position:absolute;inset:0;opacity:0;transition:opacity 0.6s ease;display:flex;align-items:center;justify-content:center;pointer-events:none;}.slide.active{opacity:1;pointer-events:auto;z-index:1;}.slide img{display:block;}.slide img.is-landscape{width:100%;height:100%;object-fit:cover;object-position:center;}.slide img.is-portrait{height:100%;width:auto;max-width:100%;object-fit:contain;object-position:center;}.slide-controls{position:absolute;bottom:12px;left:0;right:0;z-index:2;display:flex;align-items:center;justify-content:center;gap:12px;}.slide-btn{background:rgba(0,0,0,0.5);border:none;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;backdrop-filter:blur(4px);}.slide-dots{display:flex;gap:6px;}.dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.4);transition:background var(--transition);border:none;padding:0;cursor:pointer;}.dot.active{background:var(--gold);}.slideshow-placeholder{height:300px;background:var(--bg-card);display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--text-dim);}.location-content{flex:1;padding:24px 20px;}.location-chip{display:inline-flex;align-items:center;gap:6px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--gold);background:rgba(245,158,11,0.1);border:1px solid rgba(245,158,11,0.2);border-radius:50px;padding:4px 12px;margin-bottom:12px;}.location-title{font-size:1.7rem;font-weight:800;margin-bottom:16px;line-height:1.2;}.location-description{color:var(--text-muted);font-size:1rem;line-height:1.7;margin-bottom:24px;}.quiz-pending-banner{margin-top:16px;}.quiz-pending-inner{display:flex;align-items:center;gap:10px;background:rgba(245,158,11,0.08);border:1px solid rgba(245,158,11,0.2);border-radius:var(--radius-sm);padding:14px 16px;color:var(--gold);font-size:0.9rem;font-weight:500;}.mini-dots{display:flex;gap:4px;}.mini-dots span{width:5px;height:5px;background:var(--gold);}.quiz-view{min-height:100vh;display:flex;flex-direction:column;padding:16px 20px 24px;gap:16px;}.quiz-header{text-align:center;}.quiz-location-name{display:inline-block;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--gold);margin-bottom:6px;}.quiz-question{font-size:1.15rem;font-weight:700;color:var(--text);line-height:1.4;}.timer-container{display:flex;align-items:center;justify-content:center;position:relative;width:90px;height:90px;margin:0 auto;}.timer-ring{position:absolute;top:0;left:0;width:100%;height:100%;transform:rotate(-90deg);}.timer-ring-bg{fill:none;stroke:var(--bg-card);stroke-width:6;}.timer-ring-progress{fill:none;stroke:var(--green);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset 0.1s linear,stroke 0.5s ease;}.timer-display{font-size:1.6rem;font-weight:800;color:var(--text);position:relative;z-index:1;}.quiz-options{display:flex;flex-direction:column;gap:10px;}.quiz-option{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;background:var(--glass-bg);border:1.5px solid var(--glass-border);border-radius:var(--radius-md);color:var(--text);font-family:var(--font-family);font-size:0.92rem;font-weight:500;cursor:pointer;transition:all var(--transition);text-align:left;touch-action:manipulation;}.quiz-option:active{transform:scale(0.98);}.quiz-option:hover:not(:disabled){border-color:var(--gold);background:rgba(245,158,11,0.08);}.option-label{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.08);font-weight:700;font-size:0.85rem;color:var(--text-muted);flex-shrink:0;}.option-text{line-height:1.3;}.quiz-option.correct{border-color:var(--green);background:rgba(16,185,129,0.12);animation:correctPop 0.4s ease;}.quiz-option.correct .option-label{background:var(--green);color:#fff;}.quiz-option.wrong{border-color:var(--red);background:rgba(239,68,68,0.1);}.quiz-option.wrong .option-label{background:var(--red);color:#fff;}@keyframes correctPop{0%{transform:scale(1);}50%{transform:scale(1.02);}100%{transform:scale(1);}}.quiz-option.selected{border-color:var(--gold);background:rgba(245,158,11,0.15);}.quiz-option.selected .option-label{background:var(--gold);color:#1a1000;}.true-false-view .true-false-statement{font-size:1.15rem;line-height:1.45;}.true-false-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;}.true-false-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:120px;padding:16px 12px;border-radius:var(--radius-md);border:2px solid var(--glass-border);background:var(--glass-bg);color:var(--text);font-family:var(--font-family);font-size:1.05rem;font-weight:600;cursor:pointer;transition:all var(--transition);touch-action:manipulation;}.true-false-btn:active:not(:disabled){transform:scale(0.98);}.true-false-btn-icon{font-size:2rem;line-height:1;}.true-false-btn--true.selected,.true-false-btn--true.correct{border-color:var(--green);background:rgba(16,185,129,0.15);}.true-false-btn--false.selected,.true-false-btn--false.correct{border-color:var(--green);background:rgba(16,185,129,0.15);}.true-false-btn.wrong{border-color:var(--red);background:rgba(239,68,68,0.12);}.true-false-btn:disabled{opacity:0.85;cursor:default;}.spotdiff-view{min-height:100vh;display:flex;flex-direction:column;padding:16px 20px 24px;gap:12px;}.spotdiff-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:6px;}@media (min-width:720px){.spotdiff-grid{grid-template-columns:1fr 1fr;}}.spotdiff-card{border:1.5px solid var(--glass-border);background:var(--glass-bg);border-radius:var(--radius-md);overflow:hidden;}.spotdiff-label{padding:10px 12px;font-weight:700;font-size:0.9rem;color:var(--text);border-bottom:1px solid rgba(255,255,255,0.08);background:rgba(0,0,0,0.12);}.spotdiff-img{width:100%;height:auto;display:block;user-select:none;-webkit-user-drag:none;touch-action:manipulation;}.spotdiff-tapwrap{position:relative;cursor:pointer;touch-action:manipulation;}.spotdiff-tapwrap .spotdiff-img{pointer-events:none;}.spotdiff-markers{position:absolute;inset:0;pointer-events:none;}.spotdiff-marker{position:absolute;box-sizing:border-box;border:3px solid var(--green);background:rgba(16,185,129,0.28);border-radius:8px;pointer-events:none;}.spotdiff-feedback{padding:10px 12px;font-size:0.92rem;color:var(--text-muted);min-height:20px;}.spotdiff-missing{padding:14px 12px;color:var(--text-muted);}.puzzle-view{min-height:100vh;display:flex;flex-direction:column;padding:16px 20px 24px;gap:12px;}.puzzle-header{text-align:center;}.puzzle-hint{font-size:0.85rem;color:var(--text-muted);margin-top:4px;line-height:1.4;}.puzzle-board{display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,1fr);gap:3px;width:min(88vw,300px);aspect-ratio:2 / 3;margin:0 auto;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);touch-action:none;}.puzzle-cell{position:relative;border:none;padding:0;margin:0;width:100%;height:100%;min-height:0;min-width:0;overflow:hidden;cursor:grab;transition:outline 0.15s ease,transform 0.1s ease;-webkit-tap-highlight-color:transparent;}.puzzle-cell-img{position:absolute;max-width:none;pointer-events:none;user-select:none;}.puzzle-cell:active{cursor:grabbing;}.puzzle-cell.is-selected{outline:3px solid var(--gold);outline-offset:-3px;z-index:1;}.result-view{min-height:100vh;padding:24px 20px 40px;display:flex;flex-direction:column;gap:20px;}.result-explanation-slideshow{margin-top:14px;}.explanation-card .result-explanation-slideshow{margin-left:-20px;margin-right:-20px;width:calc(100% + 40px);}.result-feedback{text-align:center;padding:32px 24px;border-radius:var(--radius-lg);animation:slideUp 0.4s ease;}.result-feedback.correct{background:var(--success-muted);border:1px solid rgba(16,185,129,0.2);animation:slideUp 0.4s ease,celebrate-pulse 1.2s ease 0.35s;}.result-feedback.wrong{background:var(--danger-muted);border:1px solid rgba(239,68,68,0.15);}.result-icon{font-size:3.5rem;margin-bottom:12px;}.result-feedback h2{font-size:1.8rem;margin-bottom:8px;}.result-feedback p{font-size:0.95rem;}.result-feedback p strong{color:var(--success);}.explanation-card h3{margin-bottom:12px;color:var(--gold);}.explanation-card p{color:var(--text-muted);line-height:1.7;}.btn-learn-more{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding:14px 18px;background:rgba(245,158,11,0.1);border:1.5px solid rgba(245,158,11,0.35);border-radius:var(--radius-sm);color:var(--gold);font-family:var(--font-family);font-size:0.95rem;font-weight:600;text-decoration:none;transition:all var(--transition);}.btn-learn-more:hover{background:rgba(245,158,11,0.18);border-color:var(--gold);}.mini-leaderboard{}.mini-leaderboard h3{margin-bottom:12px;}.explanation-card .mini-leaderboard + h3{margin-top:28px;}.leader-list{list-style:none;display:flex;flex-direction:column;gap:8px;}.leader-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--glass-bg);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:0.95rem;}.leader-item.is-me{border-color:rgba(245,158,11,0.4);background:rgba(245,158,11,0.06);}.rank{font-size:1.2rem;min-width:32px;}.leader-name{flex:1;font-weight:500;}.leader-score{color:var(--gold);font-weight:700;}.my-rank-note{font-size:0.85rem;color:var(--text-dim);margin-top:8px;text-align:center;}.waiting-next{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-dim);font-size:0.9rem;padding:16px;}.group-photo-section{display:flex;flex-direction:column;align-items:center;gap:20px;margin-top:8px;width:100%;max-width:420px;margin-left:auto;margin-right:auto;}.group-photo-chip{background:rgba(245,158,11,0.15);color:var(--gold-light);border:1px solid rgba(245,158,11,0.35);}.btn-group-photo{width:auto;min-width:min(100%,320px);max-width:100%;}.group-photo-status{width:100%;text-align:center;border-radius:var(--radius-md);padding:20px 18px;}.group-photo-status--empty{display:none;}.group-photo-status--uploading{display:flex;flex-direction:column;align-items:center;gap:14px;background:rgba(245,158,11,0.12);border:2px solid rgba(245,158,11,0.45);box-shadow:var(--shadow-gold);}.group-photo-status--uploading i{font-size:3rem;color:var(--gold);}.group-photo-status--uploading p{font-size:1.5rem;font-weight:700;color:var(--gold-light);line-height:1.35;margin:0;}.group-photo-status--success{background:var(--glass-bg);border:1px solid rgba(245,158,11,0.35);}.group-photo-status__title{font-size:1.15rem;font-weight:700;color:var(--gold-light);margin-bottom:14px;}.group-photo-status__wait{font-size:1.05rem;font-weight:500;color:var(--text-muted);line-height:1.45;margin:16px 0 0;max-width:320px;}.group-photo-status--error p{font-size:1rem;font-weight:600;color:#fca5a5;margin:0;}.btn-group-photo-retry{width:auto;min-width:min(100%,320px);max-width:100%;background:rgba(239,68,68,0.12);border:2px solid rgba(239,68,68,0.45);color:#fecaca;box-shadow:none;}.btn-group-photo-retry:hover:not(:disabled){background:rgba(239,68,68,0.2);border-color:#ef4444;}.group-photo-section .is-hidden{display:none !important;}.group-photo-preview-wrap{width:100%;max-width:400px;aspect-ratio:16 / 9;border-radius:var(--radius-sm);overflow:hidden;border:2px solid var(--gold);box-shadow:var(--shadow-gold);}.group-photo-preview-img{width:100%;height:100%;object-fit:cover;display:block;}.group-photo-upload-overlay{position:fixed;inset:0;z-index:100000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(10,14,26,0.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}.group-photo-upload-overlay__card{width:100%;max-width:min(420px,92vw);text-align:center;padding:40px 28px;border-radius:var(--radius-lg);background:var(--bg-card);border:2px solid rgba(245,158,11,0.55);box-shadow:var(--shadow-gold),0 24px 48px rgba(0,0,0,0.45);display:flex;flex-direction:column;align-items:center;gap:20px;}.group-photo-upload-overlay__card i{font-size:4rem;color:var(--gold);}.group-photo-upload-overlay__card p{font-size:clamp(1.5rem,5vw,1.95rem);font-weight:700;color:var(--gold-light);line-height:1.3;margin:0;max-width:18ch;}.leaderboard-view{min-height:100vh;padding:16px 20px 20px;display:flex;flex-direction:column;gap:12px;}.leaderboard-header{text-align:center;padding-bottom:8px;}.trophy-icon{font-size:4rem;margin-bottom:12px;}.leaderboard-header h1{font-size:2rem;margin-bottom:8px;}.leaderboard-sub{color:var(--text-muted);}.podium{display:flex;align-items:flex-end;justify-content:center;gap:8px;height:180px;}.podium-slot{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;max-width:110px;}.podium-slot.is-me .podium-name{color:var(--gold);}.podium-avatar{font-size:2rem;}.podium-name{font-size:0.8rem;font-weight:600;text-align:center;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}.podium-score{font-size:0.75rem;color:var(--text-muted);}.podium-bar{width:100%;border-radius:8px 8px 0 0;}.first-bar{height:100px;background:linear-gradient(180deg,#f59e0b,#d97706);}.second-bar{height:70px;background:linear-gradient(180deg,#94a3b8,#64748b);}.third-bar{height:50px;background:linear-gradient(180deg,#cd7f32,#a0522d);}.full-leaderboard{}.full-leaderboard ol{list-style:none;}.leaderboard-footer{text-align:center;border-color:rgba(245,158,11,0.15);background:rgba(245,158,11,0.05);}.leaderboard-footer p{color:var(--text-muted);}.leaderboard-footer .footer-sub{font-size:0.85rem;margin-top:4px;color:var(--text-dim);}#landscape-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--bg);z-index:999999;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:white;}#landscape-overlay .landscape-message{padding:20px;}#landscape-overlay .landscape-icon{display:block;width:80px;height:80px;margin:0 auto 25px;animation:rotatePhone 1.5s ease-in-out infinite alternate;}#landscape-overlay h2{font-size:24px;margin-bottom:10px;}#landscape-overlay p{font-size:16px;color:#e0e0e0;}@keyframes rotatePhone{0%{transform:rotate(-90deg);}100%{transform:rotate(0deg);}}@media screen and (orientation:landscape) and (max-height:600px){#landscape-overlay{display:flex;}}