*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-text: #1f2937;--color-text-light: #6b7280;--color-text-secondary: #9ca3af;--color-bg: #ffffff;--color-bg-secondary: #f3f4f6;--color-border: #e5e7eb;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background-color:var(--color-bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{scroll-behavior:smooth}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}#app{min-height:100vh;display:flex;flex-direction:column}.screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-md);text-align:center;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}h1{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-md);color:var(--color-text)}h2{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text)}p{color:var(--color-text-light);margin-bottom:var(--spacing-sm)}button{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);font-size:var(--font-size-base);font-weight:600;color:#fff;background-color:var(--color-primary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);min-height:44px;min-width:44px;position:relative;overflow:hidden}button:hover:not(:disabled){background-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}button:active:not(:disabled){transform:translateY(0);transition:transform var(--transition-fast)}button:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed;transform:none}button.secondary{background-color:var(--color-bg);color:var(--color-text);border:2px solid var(--color-border)}button.secondary:hover:not(:disabled){background-color:var(--color-bg-secondary);border-color:var(--color-primary)}button.secondary:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}button.loading{position:relative;color:transparent;pointer-events:none}button.loading:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .6s linear infinite}button.loading.secondary:after{border-color:#6366f14d;border-top-color:var(--color-primary)}input[type=text],input[type=number]{width:100%;padding:var(--spacing-sm);font-size:var(--font-size-lg);border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);transition:all var(--transition-base);min-height:44px}input:hover:not(:disabled){border-color:var(--color-primary-light)}input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #6366f11a;transform:scale(1.01)}input:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px}input.error{border-color:var(--color-error)}.card{background-color:var(--color-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-lg);width:100%;max-width:600px;transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card.interactive{cursor:pointer}.card.interactive:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.card.interactive:active{transform:translateY(-1px);transition:transform var(--transition-fast)}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .6s linear infinite}.spinner.large{width:40px;height:40px;border-width:4px}.spinner.primary{border-color:#6366f14d;border-top-color:var(--color-primary)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;gap:var(--spacing-md)}.loading-screen .spinner{width:60px;height:60px;border-width:5px;border-color:#6366f133;border-top-color:var(--color-primary)}.loading-text{color:var(--color-text-light);font-size:var(--font-size-lg)}.skeleton{background:linear-gradient(90deg,var(--color-bg-secondary) 0%,var(--color-border) 50%,var(--color-bg-secondary) 100%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:var(--radius-md)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:1em;margin-bottom:var(--spacing-xs)}.skeleton-button{height:48px;width:100%}@keyframes spin{to{transform:rotate(360deg)}}.error-message{color:var(--color-error);background-color:#ef44441a;padding:var(--spacing-sm);border-radius:var(--radius-md);margin-top:var(--spacing-sm);font-size:var(--font-size-sm)}.success-message{color:var(--color-success);background-color:#10b9811a;padding:var(--spacing-sm);border-radius:var(--radius-md);margin-top:var(--spacing-sm)}.pin-badge{display:inline-block;font-size:var(--font-size-xl);font-weight:700;font-family:Courier New,monospace;background-color:var(--color-primary);color:#fff;padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-md);letter-spacing:.2em}.nickname-display{font-size:var(--font-size-base);color:var(--color-text-light);margin-bottom:var(--spacing-lg)}.nickname-display strong{color:var(--color-primary);font-weight:600}.lobby-status{text-align:center;padding:var(--spacing-xl) 0}.status-icon{font-size:4rem;margin-bottom:var(--spacing-md);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}.success-checkmark{display:inline-block;width:60px;height:60px;border-radius:50%;background-color:var(--color-success);position:relative;animation:checkmark-pop .4s ease-out}.success-checkmark:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:36px;font-weight:700}@keyframes checkmark-pop{0%{transform:scale(0);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.answer-button.selected{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary-dark);transform:scale(.98);box-shadow:0 0 0 4px #6366f133}.answer-button.selecting{animation:button-press .2s ease-out}@keyframes button-press{0%{transform:scale(1)}50%{transform:scale(.95)}to{transform:scale(.98)}}.ripple{position:absolute;border-radius:50%;background-color:#fff9;transform:scale(0);animation:ripple-animation .6s ease-out;pointer-events:none}@keyframes ripple-animation{to{transform:scale(4);opacity:0}}.player-count{font-size:var(--font-size-lg);color:var(--color-text);margin-top:var(--spacing-md);font-weight:600}form{display:flex;flex-direction:column;gap:var(--spacing-md);width:100%;max-width:500px;margin:0 auto}form input{text-align:center;font-size:var(--font-size-lg)}form button+button{margin-top:0}label{display:block;margin-bottom:var(--spacing-xs);font-weight:600;color:var(--color-text);text-align:left}.answers-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md);padding:0 var(--spacing-md);width:100%;max-width:none;margin:0 auto}@media (max-width: 479px){:root{--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem}.screen{padding:var(--spacing-md)}h1{font-size:1.75rem}.question-text{font-size:var(--font-size-lg);padding:var(--spacing-md)}.answer-btn{min-height:70px;padding:var(--spacing-md)}.card{padding:var(--spacing-md)}.timer{font-size:var(--font-size-xl);min-width:50px}.question-number{font-size:var(--font-size-sm)}.pin-badge{font-size:var(--font-size-lg);letter-spacing:.1em}}@media (min-width: 480px){:root{--font-size-base: 1.0625rem;--font-size-lg: 1.25rem;--font-size-xl: 1.625rem;--font-size-2xl: 2.25rem}h1{font-size:2.5rem}.answer-btn{min-height:90px;font-size:1.125rem}.question-text{font-size:1.75rem;padding:var(--spacing-xl) var(--spacing-xl)}}@media (min-width: 640px){.question-text{font-size:1.875rem}.answers-grid{padding:0 var(--spacing-lg);max-width:600px}}@media (min-width: 768px){:root{--spacing-lg: 2.5rem;--spacing-xl: 4rem}.screen{padding:var(--spacing-xl)}h1{font-size:3rem}.question-text{font-size:2rem;max-width:900px;margin:0 auto}.timer{font-size:2.5rem;min-width:80px}.answers-grid{grid-template-columns:1fr 1fr!important;gap:var(--spacing-lg);max-width:1000px;padding:0 var(--spacing-lg)}.answer-btn{min-height:100px;font-size:1.25rem;padding:var(--spacing-xl)}.modal-content{max-width:600px;padding:var(--spacing-xl)}.leaderboard-list{gap:var(--spacing-md)}.leaderboard-entry{padding:var(--spacing-lg)}}@media (min-width: 1024px){.screen{padding:var(--spacing-xl) calc(var(--spacing-xl) * 2)}.question-screen .screen{max-width:1200px;margin:0 auto;width:100%}.answers-grid{max-width:1100px;gap:var(--spacing-xl)}.answer-btn{min-height:110px}.join-screen form,.waiting-screen,.results-screen{max-width:1200px;margin:0 auto}.leaderboard-entry{font-size:1.125rem}.entry-score{font-size:1.375rem}}@media (min-width: 1280px){#app{max-width:1400px;margin:0 auto;box-shadow:var(--shadow-lg)}.answers-grid{max-width:1200px}}@media (max-width: 767px) and (max-height: 600px) and (orientation: landscape){.screen{padding:var(--spacing-sm);justify-content:flex-start}.question-header{padding:var(--spacing-sm) var(--spacing-md)}.question-text{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-xl)}.answers-grid{grid-template-columns:1fr 1fr;padding:0 var(--spacing-md)}.answer-btn{min-height:60px;padding:var(--spacing-sm) var(--spacing-md)}h1{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-color-scheme: dark){:root{--color-text: #f9fafb;--color-text-light: #d1d5db;--color-bg: #1f2937;--color-bg-secondary: #111827;--color-border: #374151}}.question-screen{padding:0;justify-content:flex-start}.question-header{display:flex;justify-content:space-between;align-items:center;width:100%;padding:var(--spacing-md);background-color:var(--color-bg);border-bottom:2px solid var(--color-border)}.timer{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-success);font-family:Courier New,monospace;min-width:60px;transition:color .3s ease}.timer-caution{color:var(--color-warning)}.timer-warning{color:var(--color-error);animation:timer-pulse .5s ease-in-out infinite}@keyframes timer-pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.question-number{font-size:var(--font-size-base);color:var(--color-text-light);font-weight:600}.question-text{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text);padding:var(--spacing-xl) var(--spacing-lg);text-align:center;line-height:1.6}.answer-btn{padding:var(--spacing-lg);font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);background-color:var(--color-bg);border:3px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s;min-height:80px;width:100%;text-align:center}.answer-btn:hover:not(:disabled){border-color:var(--color-primary);background-color:var(--color-bg);transform:scale(1.02);box-shadow:var(--shadow-md)}.answer-btn.selected{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.answer-btn.selected:hover:not(:disabled){background-color:var(--color-primary-dark);border-color:var(--color-primary-dark)}.question-footer{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);width:100%}.submit-btn{width:100%;max-width:400px;padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-lg)}.hint{font-size:var(--font-size-sm);color:var(--color-text-light);margin-bottom:0}.waiting-screen{text-align:center;gap:var(--spacing-xl)}.feedback{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.feedback-icon{font-size:5rem;width:120px;height:120px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:700}.feedback-correct .feedback-icon{background-color:#10b9811a;color:var(--color-success)}.feedback-incorrect .feedback-icon{background-color:#ef44441a;color:var(--color-error)}.feedback h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-xs)}.feedback .points{font-size:var(--font-size-xl);font-weight:700;color:var(--color-primary);margin-bottom:0}.waiting-indicator{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.waiting-indicator .spinner{width:40px;height:40px;border:4px solid var(--color-primary);border-top-color:transparent}.waiting-indicator p{font-size:var(--font-size-lg);color:var(--color-text);font-weight:600;margin-bottom:0}.waiting-message{max-width:400px}.waiting-message p{color:var(--color-text-light);margin-bottom:0}.loading{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.loading .spinner{width:40px;height:40px;border:4px solid var(--color-primary);border-top-color:transparent}.loading p{font-size:var(--font-size-lg);color:var(--color-text-light);margin-bottom:0}.results-screen{padding:var(--spacing-md);overflow-y:auto}.results-container{width:100%;max-width:1600px;margin:0 auto;padding:0 var(--spacing-md)}.results-container h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md);text-align:center}.player-summary{background-color:var(--color-bg);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-xl);text-align:center;box-shadow:var(--shadow-md)}.player-summary h2{margin-bottom:var(--spacing-md)}.summary-stats{display:flex;justify-content:center;gap:var(--spacing-xl)}.stat{display:flex;flex-direction:column;align-items:center}.stat-label{font-size:var(--font-size-sm);color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-xs)}.stat-value{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-primary)}.final-leaderboard{background-color:var(--color-bg);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-md)}.final-leaderboard h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);text-align:center;color:var(--color-text)}.leaderboard-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.leaderboard-entry{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);background-color:var(--color-bg-secondary);transition:all var(--transition-base);animation:slideInUp .3s ease-out backwards}.leaderboard-entry:nth-child(1){animation-delay:0ms}.leaderboard-entry:nth-child(2){animation-delay:50ms}.leaderboard-entry:nth-child(3){animation-delay:.1s}.leaderboard-entry:nth-child(4){animation-delay:.15s}.leaderboard-entry:nth-child(5){animation-delay:.2s}.leaderboard-entry:nth-child(n+6){animation-delay:.25s}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.leaderboard-entry:hover{transform:translate(4px);box-shadow:var(--shadow-sm)}.leaderboard-entry.current-player{background-color:#6366f11a;border:2px solid var(--color-primary);font-weight:600;box-shadow:var(--shadow-md)}.leaderboard-entry.current-player:hover{transform:translate(4px) scale(1.02);box-shadow:var(--shadow-lg)}.entry-rank{display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xl)}.rank-number{font-weight:600;color:var(--color-text-light)}.medal{font-size:2rem}.entry-nickname{font-size:var(--font-size-base);color:var(--color-text);display:flex;align-items:center;gap:var(--spacing-xs)}.you-badge{display:inline-block;font-size:var(--font-size-sm);background-color:var(--color-primary);color:#fff;padding:2px var(--spacing-xs);border-radius:var(--radius-sm);font-weight:600}.entry-score{font-size:var(--font-size-lg);font-weight:700;color:var(--color-primary);font-family:Courier New,monospace;animation:countUp .5s ease-out}@keyframes countUp{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.results-actions{display:flex;flex-direction:column;gap:var(--spacing-md);align-items:center;margin-top:var(--spacing-xl)}.play-again-btn{width:100%;max-width:400px;padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-lg)}.stats-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}@media (min-width: 768px){.stats-summary{grid-template-columns:repeat(4,1fr)}}.stat-card{background-color:var(--color-bg);border-radius:var(--radius-lg);padding:var(--spacing-md);text-align:center;box-shadow:var(--shadow-md);transition:transform var(--transition-base)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-card .stat-icon{font-size:2rem;margin-bottom:var(--spacing-xs)}.stat-card .stat-value{font-size:var(--font-size-xl);font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-xs)}.stat-card .stat-label{font-size:var(--font-size-sm);color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}.relative-leaderboard-section{background-color:var(--color-bg);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-md)}.relative-leaderboard-section h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);text-align:center;color:var(--color-text)}.relative-leaderboard{display:flex;flex-direction:column;gap:var(--spacing-xs)}.question-review-section{background-color:var(--color-bg);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-md)}.question-review-section h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);text-align:center;color:var(--color-text)}.question-review-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.question-review-card{background-color:var(--color-bg-secondary);border-radius:var(--radius-md);padding:var(--spacing-md);border-left:4px solid var(--color-border);transition:all var(--transition-base)}.question-review-card.correct{border-left-color:var(--color-success);background-color:#10b9810d}.question-review-card.incorrect{border-left-color:var(--color-error);background-color:#ef44440d}.question-review-card:hover{transform:translate(4px);box-shadow:var(--shadow-sm)}.question-header{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.question-number{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}.result-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--radius-full);font-weight:700;font-size:var(--font-size-sm)}.result-icon.correct{background-color:var(--color-success);color:#fff}.result-icon.incorrect{background-color:var(--color-error);color:#fff}.points-earned{margin-left:auto;font-weight:600;color:var(--color-primary);font-family:Courier New,monospace}.question-text{font-size:var(--font-size-base);color:var(--color-text);margin-bottom:var(--spacing-md);line-height:1.6}.answers-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.answer-option{display:grid;grid-template-columns:20px 1fr 80px;align-items:center;gap:var(--spacing-sm);padding:12px var(--spacing-sm);border-radius:var(--radius-sm);background-color:var(--color-bg);border:1px solid var(--color-border);transition:all var(--transition-base)}.answer-option.correct-answer{background-color:#10b9811a;border-color:var(--color-success)}.answer-option.player-answer{font-weight:600}.answer-indicator{width:20px;font-weight:700;color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center}.answer-option.player-answer .answer-indicator{color:var(--color-primary)}.answer-option.correct-answer.player-answer .answer-indicator{color:var(--color-success)}.answer-text{color:var(--color-text);line-height:1.5}.correct-badge{font-size:var(--font-size-sm);background-color:var(--color-success);color:#fff;padding:4px 8px;border-radius:var(--radius-sm);font-weight:600;white-space:nowrap;line-height:1;display:inline-flex;align-items:center;justify-self:start}.loading-container{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl)}.loading-container .spinner{width:60px;height:60px;border:5px solid var(--color-primary);border-top-color:transparent}.loading-container p{font-size:var(--font-size-lg);color:var(--color-text-light)}.error-container{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl);max-width:500px;margin:0 auto}.error-icon{font-size:4rem}.error-container h2{color:var(--color-error)}.error-container p{color:var(--color-text-light);margin-bottom:var(--spacing-md)}.retry-btn,.home-btn{width:100%;max-width:300px}.offline-indicator{position:fixed;top:0;left:0;right:0;background-color:var(--color-warning);color:#fff;padding:var(--spacing-sm);display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);font-weight:600;font-size:var(--font-size-sm);z-index:9999;transform:translateY(-100%);transition:transform .3s ease-in-out;box-shadow:var(--shadow-md)}.offline-indicator.visible{transform:translateY(0)}.offline-icon{font-size:var(--font-size-lg)}.offline-text{text-transform:uppercase;letter-spacing:.05em}.error-screen{position:fixed;top:0;left:0;right:0;bottom:0;background-color:var(--color-bg);display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);z-index:10000}.error-container{max-width:500px;text-align:center}.error-icon{font-size:4rem;margin-bottom:var(--spacing-md)}.error-title{font-size:var(--font-size-2xl);color:var(--color-text);margin-bottom:var(--spacing-sm);font-weight:700}.error-message{font-size:var(--font-size-lg);color:var(--color-text-light);margin-bottom:var(--spacing-lg);line-height:1.6}.error-details{text-align:left;margin-bottom:var(--spacing-lg);padding:var(--spacing-sm);background-color:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--color-border)}.error-details summary{cursor:pointer;font-weight:600;color:var(--color-text);padding:var(--spacing-xs);-webkit-user-select:none;user-select:none}.error-details summary:hover{color:var(--color-primary)}.error-details pre{margin-top:var(--spacing-sm);padding:var(--spacing-sm);background-color:var(--color-bg);border-radius:var(--radius-sm);overflow-x:auto;font-size:var(--font-size-sm);color:var(--color-error);white-space:pre-wrap;word-wrap:break-word}.error-actions{display:flex;gap:var(--spacing-sm);justify-content:center;flex-wrap:wrap}.error-actions .btn{min-width:150px}.error-toast-container{position:fixed;top:var(--spacing-md);left:50%;transform:translate(-50%);z-index:9998;display:flex;flex-direction:column;gap:var(--spacing-xs);pointer-events:none}.error-toast{background-color:var(--color-error);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--spacing-sm);min-width:300px;max-width:500px;opacity:0;transform:translateY(-20px);transition:all .3s ease-in-out}.error-toast.visible{opacity:1;transform:translateY(0)}.error-toast-icon{font-size:var(--font-size-lg);flex-shrink:0}.error-toast-message{flex:1;font-size:var(--font-size-base);font-weight:500}.success-toast-container{position:fixed;top:var(--spacing-md);left:50%;transform:translate(-50%);z-index:9998;display:flex;flex-direction:column;gap:var(--spacing-xs);pointer-events:none}.success-toast{background-color:var(--color-success);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--spacing-sm);min-width:300px;max-width:500px;opacity:0;transform:translateY(-20px);transition:all .3s ease-in-out}.success-toast.visible{opacity:1;transform:translateY(0)}.success-toast-icon{font-size:var(--font-size-lg);flex-shrink:0;font-weight:700}.success-toast-message{flex:1;font-size:var(--font-size-base);font-weight:500}