:root{--bg-base: #0f1117;--bg-card: #1a1d27;--bg-sidebar: #13151f;--bg-hover: #22263a;--accent: #6366f1;--accent-hover: #4f46e5;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--border: #2d3148;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--vize-color: #f59e0b;--final-color: #f97316}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:Inter,sans-serif;font-size:14px;font-weight:400;color:var(--text-primary);background-color:var(--bg-base);line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;flex-shrink:0;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0}.sidebar-logo{padding:0 20px 24px;font-size:16px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-logo svg{color:var(--accent)}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 12px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-secondary);text-decoration:none;cursor:pointer;transition:background .15s,color .15s;border:none;background:transparent;width:100%;text-align:left;border-left:3px solid transparent}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item.active{background:#6366f126;border-left-color:var(--accent);color:var(--accent)}.sidebar-item svg{width:18px;height:18px;flex-shrink:0}.sidebar-footer{padding:16px 12px 0;border-top:1px solid var(--border);margin-top:auto}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;flex-shrink:0;background:var(--bg-base)}.topbar-title{font-size:18px;font-weight:600}.topbar-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-secondary)}.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;color:#fff}.page-scroll{flex:1;overflow-y:auto;padding:28px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px}.card-sm{padding:16px 20px}.card-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.card-value{font-size:32px;font-weight:700;color:var(--text-primary)}.card-sub{font-size:12px;color:var(--text-muted);margin-top:4px}.metric-card{position:relative;overflow:hidden}.metric-card-icon{position:absolute;top:20px;right:20px;color:var(--text-muted);opacity:.4}.subject-progress-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}.subject-progress-subtitle{color:var(--text-secondary);font-size:13px;max-width:560px}.subject-progress-summary{min-width:140px;padding:14px 16px;border-radius:12px;background:linear-gradient(180deg,#6366f11f,#6366f10a);border:1px solid rgba(99,102,241,.18);text-align:right}.subject-progress-summary-value{font-size:24px;font-weight:700;color:var(--text-primary);line-height:1}.subject-progress-summary-value span{font-size:14px;font-weight:600;color:var(--text-secondary)}.subject-progress-summary-label{margin-top:6px;font-size:12px;color:var(--text-secondary)}.subject-progress-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.subject-progress-card{position:relative;overflow:hidden;padding:18px;border-radius:14px;border:1px solid color-mix(in srgb,var(--subject-color) 22%,var(--border));background:linear-gradient(180deg,color-mix(in srgb,var(--subject-color) 10%,transparent),transparent 52%),color-mix(in srgb,var(--bg-card) 92%,black)}.subject-progress-card:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:1px;background:linear-gradient(90deg,var(--subject-color),transparent 72%);opacity:.75}.subject-progress-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.subject-progress-title-wrap{display:flex;align-items:flex-start;gap:10px;min-width:0}.subject-progress-color-dot{width:12px;height:12px;border-radius:999px;margin-top:4px;flex-shrink:0;background:var(--subject-color);box-shadow:0 0 0 4px color-mix(in srgb,var(--subject-color) 16%,transparent)}.subject-progress-title{font-size:15px;font-weight:600;color:var(--text-primary);line-height:1.35}.subject-progress-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;font-size:12px;color:var(--text-secondary)}.subject-progress-percent{font-size:24px;font-weight:700;letter-spacing:-.03em;color:var(--subject-color);flex-shrink:0}.subject-progress-bar{height:10px;border-radius:999px;background:color-mix(in srgb,var(--subject-color) 10%,var(--border));overflow:hidden}.subject-progress-bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--subject-color),color-mix(in srgb,var(--subject-color) 58%,white));transition:width .4s ease}.subject-progress-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.subject-progress-stat{padding:12px;border-radius:12px;background:#ffffff05;border:1px solid rgba(255,255,255,.04)}.subject-progress-stat strong{display:block;margin-top:6px;font-size:18px;font-weight:700;color:var(--text-primary)}.subject-progress-stat-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary)}.subject-progress-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}.subject-progress-footer-text{font-size:12px;color:var(--text-secondary)}.progress-bar{height:6px;background:var(--border);border-radius:999px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .4s ease}.progress-bar-fill.success{background:var(--success)}.progress-bar-fill.warning{background:var(--warning)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.02em}.badge-vize{background:#f59e0b26;color:var(--vize-color)}.badge-final{background:#f9731626;color:var(--final-color)}.badge-success{background:#10b98126;color:var(--success)}.badge-accent{background:#6366f126;color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s;border:none;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:#2a2f4a}.btn-danger{background:#ef444426;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover:not(:disabled){background:#ef444440}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:12px 24px;font-size:15px}.btn-icon{padding:8px;border-radius:8px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s;display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.input,.select,.textarea{background:var(--bg-base);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-family:inherit;font-size:14px;padding:9px 12px;outline:none;transition:border-color .15s;width:100%}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}.select{cursor:pointer}.select option{background:var(--bg-card)}.textarea{resize:vertical;min-height:80px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.w-full{width:100%}.text-sm{font-size:12px}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-accent{color:var(--accent)}.font-semibold{font-weight:600}.font-bold{font-weight:700}.divider{height:1px;background:var(--border);margin:16px 0}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{margin:0 auto 12px;opacity:.4;display:block}.empty-state p{font-size:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-title{font-size:18px;font-weight:600;margin-bottom:20px}.checkbox-wrap{display:flex;align-items:center;gap:10px;cursor:pointer;padding:8px 0}.checkbox-wrap input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:12px 16px;border-radius:8px;font-size:13px;display:flex;align-items:flex-start;gap:10px}.alert-danger{background:#ef44441f;color:var(--danger);border:1px solid rgba(239,68,68,.2)}.alert-success{background:#10b9811f;color:var(--success);border:1px solid rgba(16,185,129,.2)}.alert-warning{background:#f59e0b1f;color:var(--warning);border:1px solid rgba(245,158,11,.2)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-base);padding:24px}.auth-card{width:100%;max-width:400px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px 36px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo h1{font-size:22px;font-weight:700;margin-top:12px}.auth-logo p{font-size:13px;color:var(--text-muted);margin-top:4px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-toggle{text-align:center;font-size:13px;color:var(--text-muted);margin-top:20px}.auth-toggle button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;font-family:inherit;padding:0}.auth-toggle button:hover{text-decoration:underline}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:600}@media(max-width:1100px){.subject-progress-grid{grid-template-columns:1fr}}@media(max-width:760px){.subject-progress-header{flex-direction:column}.subject-progress-summary{width:100%;text-align:left}.subject-progress-stats{grid-template-columns:1fr}.subject-progress-footer{flex-direction:column;align-items:flex-start}}