:root{--bg-primary:#fff;--bg-secondary:#f8f9fa;--bg-card:#fff;--text-primary:#1a1a1a;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-success:#10b981;--accent-warning:#f59e0b;--accent-danger:#ef4444;--glow-primary:0 0 20px #6366f14d;--glow-success:0 0 20px #10b9814d;--glow-warning:0 0 20px #f59e0b4d;--glow-danger:0 0 20px #ef44444d;--glow-soft:0 2px 8px #00000014;--spacing-xs:0.5rem;--spacing-sm:0.75rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:0.5rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:350ms cubic-bezier(0.4,0,0.2,1);--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}body.dark-mode{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--glow-primary:0 0 30px #6366f180;--glow-success:0 0 30px #10b98180;--glow-warning:0 0 30px #f59e0b80;--glow-danger:0 0 30px #ef444480;--glow-soft:0 4px 12px #0000004d;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006,0 2px 4px -1px #0000004d;--shadow-lg:0 10px 15px -3px #0006,0 4px 6px -2px #0000004d;--shadow-xl:0 20px 25px -5px #00000080,0 10px 10px -5px #0006}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;scroll-behavior:smooth}body{background-color:#fff;background-color:var(--bg-primary);color:#1a1a1a;color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;min-height:100vh;transition:background-color .35s 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solid #0000;border-radius:.75rem;border-radius:var(--radius-md);color:#1a1a1a;color:var(--text-primary);font-family:inherit;font-size:1rem;padding:.75rem 1rem;padding:var(--spacing-sm) var(--spacing-md);transition:all .25s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}input:focus,select:focus,textarea:focus{border-color:#6366f1;border-color:var(--accent-primary);box-shadow:0 0 20px #6366f14d;box-shadow:var(--glow-primary);outline:none}input::placeholder{color:#9ca3af;color:var(--text-muted)}.gradient-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#6366f1,#8b5cf6);background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;background-clip:text}.glow{box-shadow:0 0 20px #6366f14d;box-shadow:var(--glow-primary)}.container{margin:0 auto;max-width:1200px;padding:0 1rem;padding:0 var(--spacing-md);width:100%}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}@media (min-width:768px){:root{--spacing-xs:0.625rem;--spacing-sm:1rem;--spacing-md:1.25rem;--spacing-lg:2rem;--spacing-xl:2.5rem;--spacing-2xl:4rem}html{font-size:18px}h1{font-size:2.5rem}h2{font-size:1.75rem}.container{padding:0 1.5rem;padding:0 var(--spacing-lg)}}@media (min-width:1024px){h1{font-size:3rem}h2{font-size:2rem}}.App{min-height:100vh;padding-bottom:var(--spacing-2xl)}.alert{animation:fadeIn var(--transition-base);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-lg);font-size:.95rem;font-weight:600;letter-spacing:.3px;margin:0 0 var(--spacing-xs) 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var(--spacing-md);margin-left:var(--spacing-md);margin-right:var(--spacing-md);max-width:100%;overflow:hidden;padding:var(--spacing-md) var(--spacing-lg);position:relative;text-align:center}.day-box:before{background:linear-gradient(90deg,#0000,var(--accent-primary),var(--accent-secondary),#0000);top:0}.day-box:after,.day-box:before{content:"";height:3px;left:0;opacity:.8;position:absolute;right:0}.day-box:after{background:linear-gradient(90deg,#0000,var(--accent-secondary),var(--accent-primary),#0000);bottom:0}.day-box h3{-webkit-text-fill-color:#0000;animation:gradientShiftRight 6s linear infinite;background:linear-gradient(90deg,var(--accent-primary) 0,var(--accent-secondary) 25%,#ec4899 50%,var(--accent-secondary) 75%,var(--accent-primary) 100%);-webkit-background-clip:text;background-clip:text;background-size:200% 100%;color:var(--text-primary);font-size:1.25rem;font-weight:800;letter-spacing:1.5px;margin:0;position:relative;text-transform:uppercase;z-index:1}@keyframes gradientShiftRight{0%{background-position:0}to{background-position:100%}}@keyframes pulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.current-lecture-container{margin:0 auto;max-width:900px;padding:0 var(--spacing-md)}.current-lecture-card{animation:fadeIn var(--transition-slow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,var(--bg-primary) 0,#6366f105 50%,var(--bg-primary) 100%);border:2px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);margin-bottom:var(--spacing-xl);overflow:hidden;padding:0;position:relative}.current-lecture-card:before{animation:gradientShiftRight 4s ease-in-out infinite;background:linear-gradient(180deg,var(--accent-primary),var(--accent-secondary),var(--accent-primary));background-size:100% 200%;content:"";height:100%;left:0;opacity:.3;position:absolute;top:0;width:5px}.current-lecture-card.active:before{box-shadow:-4px 0 20px #6366f180;opacity:1;width:6px}.current-lecture-card.type-лекция{background:linear-gradient(135deg,#3b82f614 0,#2563eb0d 50%,var(--bg-primary) 100%)}.current-lecture-card.type-лаб-упр{background:linear-gradient(135deg,#ec489914 0,#db27770d 50%,var(--bg-primary) 100%)}.next-lecture-card.type-лекция{background:linear-gradient(135deg,#3b82f60d 0,#2563eb08 50%,var(--bg-primary) 100%)}.next-lecture-card.type-лаб-упр{background:linear-gradient(135deg,#ec48990d 0,#db277708 50%,var(--bg-primary) 100%)}.live-indicator{align-items:center;background:linear-gradient(135deg,#10b98126,#05966926);border:1px solid #10b9814d;border-radius:var(--radius-full);box-shadow:0 4px 12px #10b98133,inset 0 1px 0 #fff3;color:var(--status-success);display:flex;font-size:.75rem;font-weight:700;gap:var(--spacing-xs);letter-spacing:1px;overflow:hidden;padding:.5rem 1.25rem;position:relative;text-transform:uppercase}.live-indicator:before{animation:shimmerSlow 3s ease-in-out 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h3{color:var(--accent-primary);font-size:1.125rem;margin-bottom:var(--spacing-md)}.next-lecture p{color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.next-lecture strong{color:var(--text-primary)}.schedule-container,.tests-container{animation:fadeIn var(--transition-slow);margin:0 auto;max-width:100%;padding:var(--spacing-lg) var(--spacing-md);width:100%}.schedule-container h1,.tests-container h1{margin-bottom:var(--spacing-xl);text-align:center}.schedule-container h2{border-bottom:3px solid #0000;border-image:linear-gradient(90deg,var(--accent-primary),#0000) 1;color:var(--text-primary);margin:var(--spacing-xl) 0 var(--spacing-lg);padding-bottom:var(--spacing-md)}.schedule-container hr{display:none}.filters{animation:fadeIn var(--transition-base) .1s;display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.filters input,.filters select{flex:1 1;min-width:0}.filters 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h2{align-items:center;display:flex;flex-grow:0;flex-wrap:wrap;font-size:1.25rem;gap:var(--spacing-sm);justify-content:space-between;margin-bottom:var(--spacing-md)}.lecture-card .lecture-details,.test-card .lecture-details{flex-grow:1}.day{background:var(--bg-secondary);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.875rem;font-weight:500;padding:.25rem .75rem}.lecture-card.status-green,.status-green,.test-card.status-green{border-color:var(--accent-success)}.status-green:hover{box-shadow:var(--glow-success),var(--shadow-xl)}.lecture-card.status-orange,.status-orange,.test-card.status-orange{border-color:var(--accent-warning)}.status-orange:hover{box-shadow:var(--glow-warning),var(--shadow-xl)}.lecture-card.status-red,.status-red,.test-card.status-red{border-color:var(--accent-danger);opacity:.7}.status-red:hover{box-shadow:var(--glow-danger),var(--shadow-xl);opacity:1}.lecture-card.status-default,.status-default,.test-card.status-default{border-color:#6366f133}.status-default:hover{border-color:var(--accent-primary);box-shadow:var(--glow-primary),var(--shadow-xl)}.pt-points-tracker{animation:fadeIn var(--transition-slow);margin:0 auto;max-width:1200px;padding:var(--spacing-lg) var(--spacing-md)}.pt-points-tracker h1{margin-bottom:var(--spacing-xl);text-align:center}.pt-student-filter{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl)}.pt-student-filter label{color:var(--text-primary);font-weight:600}.pt-student-card{animation:fadeIn var(--transition-base);background:var(--bg-card);border:2px solid #6366f133;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);margin-bottom:var(--spacing-xl);padding:var(--spacing-xl)}.pt-student-card h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;background-clip:text;margin-bottom:var(--spacing-lg)}.pt-subject-progress{background:var(--bg-secondary);border-left:4px solid var(--accent-primary);border-radius:var(--radius-lg);margin-bottom:var(--spacing-xl);padding:var(--spacing-lg)}.pt-subject-progress h3{align-items:center;display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.pt-exam-tag{background:linear-gradient(135deg,var(--accent-warning),#fb923c);border-radius:var(--radius-sm);box-shadow:var(--glow-warning);color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .75rem}.pt-progress-bar-container{align-items:center;display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.pt-progress-bar{background:var(--bg-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;flex:1 1;height:32px;overflow:hidden}.pt-progress-section{align-items:center;color:#fff;display:flex;font-size:.875rem;font-weight:600;justify-content:center;position:relative;transition:all var(--transition-base)}.pt-progress-section:hover{filter:brightness(1.1);transform:scaleY(1.1);z-index:1}.pt-total-points{color:var(--text-primary);font-size:1.125rem;font-weight:700;white-space:nowrap}.pt-points-breakdown{display:flex;flex-wrap:wrap;gap:var(--spacing-md)}.pt-points-breakdown-item{align-items:center;color:var(--text-secondary);display:flex;font-size:.875rem;gap:var(--spacing-xs)}.pt-points-breakdown-color{border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);height:16px;width:16px}.pt-access-code-form{animation:fadeIn var(--transition-slow);background:var(--bg-card);border:2px solid #6366f133;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);margin:var(--spacing-2xl) auto;max-width:400px;padding:var(--spacing-xl)}.pt-access-code-form h2{margin-bottom:var(--spacing-lg);text-align:center}.pt-access-code-form form{display:flex;flex-direction:column;gap:var(--spacing-md)}.pt-access-code-form button{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-radius:var(--radius-md);box-shadow:var(--glow-primary);color:#fff;font-weight:600;padding:var(--spacing-md);transition:all var(--transition-base)}.pt-access-code-form button:hover{box-shadow:var(--glow-primary),var(--shadow-lg);transform:translateY(-2px)}.pt-access-code-form button:active{transform:translateY(0)}@media (min-width:768px){.filters{flex-direction:row}.schedule-grid,.tests-grid{grid-template-columns:repeat(2,1fr)}.navbar-links{padding:var(--spacing-md) var(--spacing-lg)}.navbar-links a{font-size:1rem}.day-box{margin:var(--spacing-xl) var(--spacing-xl);padding:var(--spacing-lg) var(--spacing-2xl)}.day-box h3{font-size:1.5rem;letter-spacing:2px}.current-lecture-container{padding:0 var(--spacing-xl)}.current-lecture-card{margin-bottom:var(--spacing-2xl)}.lecture-content{padding:var(--spacing-2xl) var(--spacing-xl)}.progress-section{padding:var(--spacing-xl) 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