@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--font-family:"Inter", sans-serif;--bg-primary:#0e1525;--bg-secondary:#080c16;--bg-surface:#131d34;--primary:#7156f5;--primary-hover:#8d78f7;--primary-glow:#6366f14d;--secondary:#0dccf2;--secondary-glow:#06b6d44d;--accent:#ee2bad;--accent-glow:#ec48994d;--success:#22c35d;--success-glow:#10b98133;--error:#e8304f;--error-glow:#ef444433;--warning:#f2b90d;--text-primary:#fafafa;--text-secondary:#94a3b8;--text-muted:#627084;--border-color:#ffffff14;--border-hover:#ffffff26;--glass-bg:#0f172a73;--glass-blur:blur(16px);--shadow-premium:0 8px 32px 0 #0006;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast:all .15s ease-out}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 0 0,#6366f11f 0%,#0000 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var(--border-color);background:#0f172a99;border-radius:12px;padding:1.5rem}.btn{font-family:var(--font-family);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #7b3ef4 100%);color:#fff}.btn-primary:hover{box-shadow:0 4px 20px var(--primary-glow);opacity:.95;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{border:1px solid var(--border-color);color:var(--text-primary);background:#ffffff0a}.btn-secondary:hover{border-color:var(--border-hover);background:#ffffff14}.btn-danger{background:linear-gradient(135deg, var(--error) 0%, #dc1849 100%);color:#fff}.btn-danger:hover{box-shadow:0 4px 15px var(--error-glow)}.btn-small{border-radius:6px;padding:.4rem .8rem;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none!important;transform:none!important}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.form-input{font-family:var(--font-family);border:1px solid var(--border-color);color:var(--text-primary);transition:var(--transition-fast);background:#0f172a80;border-radius:8px;padding:.75rem 1rem;font-size:.95rem}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);outline:none}.form-select{font-family:var(--font-family);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;transition:var(--transition-fast);background:#0f172a80;border-radius:8px;outline:none;padding:.75rem 1rem;font-size:.95rem}.form-select:focus{border-color:var(--primary)}.form-select 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1fr}}.option-button{border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-family);text-align:left;cursor:pointer;transition:var(--transition-fast);background:#ffffff08;border-radius:12px;align-items:center;gap:1rem;padding:1.25rem 1.5rem;font-size:1rem;display:flex}.option-button:focus{box-shadow:0 0 0 2px var(--primary-glow);outline:none}.option-button>*{pointer-events:none}.option-button:hover:not(:disabled){border-color:var(--border-hover);background:#ffffff12;transform:translate(4px)}.option-badge{border:1px solid var(--border-color);background:#0003;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.9rem;font-weight:600;display:flex}.option-button.selected{border-color:var(--primary);background:#6366f114;box-shadow:0 0 12px #6366f140}.option-button.selected .option-badge{background:var(--primary);border-color:var(--primary);color:#fff}.option-button.correct{border-color:var(--success);background:#10b98114;box-shadow:0 0 12px #10b98140}.option-button.correct .option-badge{background:var(--success);border-color:var(--success);color:#fff}.option-button.incorrect{border-color:var(--error);background:#ef444414;box-shadow:0 0 12px #ef444440}.option-button.incorrect .option-badge{background:var(--error);border-color:var(--error);color:#fff}.podium-container{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:1rem;margin:3rem 0;display:flex}.podium-card{background:var(--glass-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);width:190px;box-shadow:var(--shadow-premium);transition:var(--transition);border-radius:16px;flex-direction:column;align-items:center;padding:1.5rem;display:flex}.podium-card:hover{transform:translateY(-4px)}.podium-1{border-color:#f4c025;height:auto;min-height:270px;box-shadow:0 8px 32px #f59e0b26}.podium-2{border-color:#bfbfbf;height:auto;min-height:230px;box-shadow:0 8px 32px #ffffff0d}.podium-3{border-color:#b8672e;height:auto;min-height:210px;box-shadow:0 8px 32px #b453090d}.podium-rank{margin-bottom:.5rem;font-size:1.75rem;font-weight:700}.podium-1 .podium-rank{color:#f4c025}.podium-2 .podium-rank{color:#bfbfbf}.podium-3 .podium-rank{color:#b8672e}.podium-avatar{background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:1rem;display:flex}.ranks-table{border-collapse:collapse;width:100%;margin-top:1.5rem}.ranks-table th,.ranks-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem 1.25rem}.ranks-table th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.9rem;font-weight:600}.ranks-table tbody tr{transition:var(--transition-fast)}.ranks-table tbody tr:hover{background:#ffffff05}.ranks-table tbody tr.self-row{border-left:3px solid var(--primary);background:#6366f10f}.revision-card-container{perspective:1000px;cursor:pointer;width:100%;max-width:600px;height:380px;margin:2rem auto}.revision-card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.revision-card-container.flipped .revision-card-inner{transform:rotateY(180deg)}.revision-card-front,.revision-card-back{backface-visibility:hidden;width:100%;height:100%;box-shadow:var(--shadow-premium);border:1px solid var(--border-color);border-radius:16px;flex-direction:column;justify-content:space-between;padding:2.5rem;display:flex;position:absolute}.revision-card-front{background:var(--bg-surface)}.revision-card-back{background:#182543;transform:rotateY(180deg)}.heatmap-container{border:1px solid var(--border-color);background:#00000026;border-radius:12px;flex-wrap:wrap;gap:3px;padding:1.25rem;display:flex}.heatmap-cell{width:12px;height:12px;transition:var(--transition-fast);border-radius:2px}.tag-badge{color:var(--text-secondary);border:1px solid var(--border-color);background:#ffffff0d;border-radius:4px;align-items:center;gap:.25rem;padding:.2rem .5rem;font-size:.8rem;display:inline-flex}.tag-badge-primary{color:var(--primary-hover);background:#6366f11a;border-color:#6366f133}.fullscreen-active{z-index:9999;background-color:var(--bg-primary);top:0;left:0;overflow-y:auto;border:none!important;border-radius:0!important;width:100vw!important;height:100vh!important;position:fixed!important}.responsive-grid-2{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.responsive-grid-3{grid-template-columns:repeat(3,1fr);gap:1.25rem;display:grid}.responsive-grid-4{grid-template-columns:repeat(4,1fr);gap:1.5rem;display:grid}.scroll-container{scrollbar-width:none;white-space:nowrap!important;-webkit-overflow-scrolling:touch!important;width:100%!important;display:flex!important;overflow-x:auto!important}.scroll-container::-webkit-scrollbar{display:none!important}@media (width<=767px){h1{letter-spacing:-.5px!important;font-size:2rem!important;line-height:1.2!important}h2{font-size:1.45rem!important}h3{font-size:1.2rem!important}.main-content{padding:1rem .75rem!important}.glass-card{border-radius:12px!important;min-width:0!important;max-width:100%!important;padding:1.25rem 1rem!important}.glass-panel{min-width:0!important;max-width:100%!important;padding:1rem!important}.responsive-grid-2,.responsive-grid-3,.responsive-grid-4{grid-template-columns:1fr!important;gap:1rem!important}.mobile-stack{flex-direction:column!important;align-items:stretch!important;gap:1rem!important}.mobile-hide{display:none!important}.ranks-table{-webkit-overflow-scrolling:touch!important;width:100%!important;display:block!important;overflow-x:auto!important}.ranks-table th,.ranks-table td{white-space:normal!important}.ranks-table td:last-child{white-space:nowrap!important}.podium-container{flex-direction:column!important;align-items:center!important;gap:1.5rem!important;margin:2rem 0!important}.podium-card{width:100%!important;max-width:280px!important;min-height:auto!important;padding:1.25rem!important}.podium-1{border-color:#f4c025!important;order:1!important}.podium-2{border-color:#bfbfbf!important;order:2!important}.podium-3{border-color:#b8672e!important;order:3!important}.btn{padding:.8rem 1.25rem!important;font-size:.95rem!important}.btn-small{padding:.6rem 1rem!important;font-size:.85rem!important}}.responsive-credits-grid{grid-template-columns:1fr}@media (width>=768px){.responsive-credits-grid{grid-template-columns:1.2fr 1fr!important}}.lobby-participants-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;display:grid}@media (width<=480px){.lobby-participants-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))!important}}.table-scroll-container{scrollbar-width:thin;max-height:420px;padding-right:.25rem;overflow:auto}.results-table-desktop{display:block}.results-mobile-list{display:none}@media (width<=767px){.results-table-desktop{display:none!important}.results-mobile-list{flex-direction:column;gap:.65rem;display:flex}}.results-mobile-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-color);transition:var(--transition-fast);max-width:100%;box-shadow:var(--shadow-premium);border-radius:12px;padding:.85rem;overflow:hidden}.results-mobile-rank{min-width:2rem;color:var(--text-primary);flex-shrink:0;font-size:1.1rem;font-weight:800}.results-mobile-stats{grid-template-columns:repeat(3,1fr);gap:.4rem .6rem;margin-top:.25rem;display:grid}.results-mobile-stat{flex-direction:column;gap:.1rem;display:flex}.results-mobile-stat-label{text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);font-size:.68rem;font-weight:600}.results-mobile-stat-value{color:var(--text-secondary);font-size:.88rem;font-weight:600}@media (width<=480px){.results-mobile-stats{grid-template-columns:repeat(2,1fr)}.results-mobile-card{padding:.6rem .7rem}}.history-desktop-view{display:block}.history-mobile-view{display:none}@media (width<=767px){.history-desktop-view{display:none!important}.history-mobile-view{flex-direction:column;gap:.75rem;display:flex}}.history-mobile-card{background:var(--glass-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:var(--glass-blur);max-width:100%;box-shadow:var(--shadow-premium);border-radius:12px;padding:.85rem 1rem;overflow:hidden}.leaderboard-hero-banner{text-align:center;box-shadow:var(--shadow-premium), inset 0 1px 1px #ffffff0d;background:radial-gradient(circle at top,#6366f126 0%,#0f172a73 100%);border:1px solid #ffffff14;border-radius:20px;padding:2.5rem 2rem;position:relative;overflow:hidden}.leaderboard-hero-banner:after{content:"";pointer-events:none;background:linear-gradient(#6366f10d 0%,#0000 100%);width:100%;height:100%;position:absolute;top:0;left:0}.podium-card.podium-1:hover{transform:translateY(-6px);box-shadow:0 15px 35px #fbbf2440,0 0 15px #fbbf241a;border-color:#fbbf2499!important}.podium-card.podium-2:hover{transform:translateY(-6px);box-shadow:0 15px 35px #94a3b82e,0 0 15px #94a3b814;border-color:#94a3b873!important}.podium-card.podium-3:hover{transform:translateY(-6px);box-shadow:0 15px 35px #b453092e,0 0 15px #b4530914;border-color:#b4530973!important}.rank-badge{border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.85rem;font-weight:700;display:inline-flex;box-shadow:0 2px 5px #0003}.rank-badge-1{color:#0f172a;background:#fbbf24;box-shadow:0 0 10px #fbbf2466}.rank-badge-2{color:#0f172a;background:#94a3b8;box-shadow:0 0 10px #94a3b84d}.rank-badge-3{color:#fff;background:#b45309;box-shadow:0 0 10px #b453094d}.rank-badge-other{color:var(--text-secondary);border:1px solid var(--border-color);background:#ffffff0f}.progress-bar-container{flex-direction:column;gap:.25rem;width:140px;display:flex}.progress-bar-track{background:#ffffff0f;border-radius:4px;width:100%;height:6px;overflow:hidden}.progress-bar-fill{border-radius:4px;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.progress-bar-fill.success{background:linear-gradient(90deg,#10b981,#059669);box-shadow:0 0 6px #10b9814d}.progress-bar-fill.warning{background:linear-gradient(90deg,#f59e0b,#d97706);box-shadow:0 0 6px #f59e0b4d}.progress-bar-fill.error{background:linear-gradient(90deg,#ef4444,#dc2626);box-shadow:0 0 6px #ef44444d}.table-action-btn{border:1px solid var(--border-color);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;background:#ffffff05;border-radius:50%;justify-content:center;align-items:center;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.table-action-btn:hover{color:var(--text-primary);background:#ffffff14;transform:translateY(-1px)}.table-action-btn.btn-excel:hover{color:#10b981;border-color:#10b981;box-shadow:0 0 8px #10b98126}.table-action-btn.btn-pdf:hover{border-color:var(--secondary);color:var(--secondary);box-shadow:0 0 8px #6366f126}.table-action-btn.btn-whatsapp:hover{color:#25d366;border-color:#25d366;box-shadow:0 0 8px #25d36626}.review-question-card{background:#0f172a4d;border:1px solid #ffffff0d;border-radius:12px;justify-content:space-between;align-items:flex-start;gap:1.25rem;padding:1.25rem;transition:border-color .2s,box-shadow .2s;display:flex}.review-question-card:hover{background:#0f172a66;border-color:#ffffff1a}.review-question-card.correct{border-left:4px solid #10b981}.review-question-card.incorrect{border-left:4px solid #ef4444}.ranks-table tr.self-row{box-shadow:inset 4px 0 0 var(--primary);background:#6366f10f!important}.ranks-table tr.self-row td{color:var(--text-primary)!important}.ranks-table tr{transition:background-color .15s}.ranks-table tr:hover{background-color:#ffffff05}.accordion-header{scroll-margin-top:85px}.chip-select-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:#ffffff05;border-radius:50px;align-items:center;gap:.35rem;padding:.45rem 1.15rem;font-size:.85rem;font-weight:500;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.chip-select-btn:hover:not(:disabled){border-color:var(--border-hover);color:var(--text-primary);background:#ffffff0f;transform:translateY(-1px)}.chip-select-btn.active{background:linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);border-color:var(--secondary);color:#fff;box-shadow:0 0 12px var(--secondary-glow)}.btn-gradient-launch{background:linear-gradient(135deg, var(--secondary) 0%, var(--primary) 50%, var(--accent) 100%);color:#fff;background-size:200%;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #06b6d440}.btn-gradient-launch:hover:not(:disabled){background-position:100%;transform:translateY(-1.5px);box-shadow:0 6px 22px #06b6d473}.revision-list-card{background:var(--glass-bg);border:1px solid var(--border-color);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-premium);border-radius:14px;flex-direction:column;justify-content:space-between;min-height:160px;padding:1.25rem;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex}.revision-list-card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 12px 28px #00000059}.revision-list-card.easy-card{border-left:4px solid var(--success)}.revision-list-card.medium-card{border-left:4px solid var(--warning)}.revision-list-card.hard-card{border-left:4px solid var(--error)}.landing-grid-container{flex-direction:column;gap:2rem;width:100%;display:flex}@media (width>=992px){.landing-grid-container{grid-template-columns:1.15fr .85fr!important;max-width:1200px!important;display:grid!important}}.btn-compact-icon{border-radius:6px!important;justify-content:center!important;align-items:center!important;width:32px!important;min-width:32px!important;height:32px!important;padding:.4rem!important;display:inline-flex!important}:fullscreen nav{display:none!important}:fullscreen .app-container{padding-top:0!important}:fullscreen .main-content{margin-top:0!important;padding-top:0!important}.filter-actions-row{border-top:1px dashed var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:.75rem;display:flex}.filter-search-container{border:1px solid var(--border-color);background:#0003;border-radius:6px;align-items:center;width:260px;padding:.35rem .75rem;display:flex}.btn-compact-action{border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-family);cursor:pointer;transition:var(--transition);background:#ffffff0a;border-radius:6px;align-items:center;gap:.25rem;display:inline-flex;padding:.25rem .6rem!important;font-size:.75rem!important}.btn-compact-action:hover{border-color:var(--border-hover);background:#ffffff14}@media (width<=767px){.responsive-grid-2{flex-direction:column;display:flex}.public-history-panel{order:2}.private-history-panel{order:1}.filter-actions-row{flex-direction:column;align-items:stretch}.filter-search-container{width:100%!important}.filter-export-container{justify-content:space-between;width:100%!important}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.95)}}