@import"https://fonts.googleapis.com/css2?family=Comfortaa:wght@400;600;700&family=Inter:wght@400;500;600;700&display=swap";:root{--primary: #7C3AED;--primary-hover: #6D28D9;--primary-light: #EDE9FE;--secondary: #F59E0B;--secondary-light:#FEF3C7;--bg: #FAFAF8;--surface: #FFFFFF;--border: #E7E5E4;--text: #1C1917;--muted: #78716C;--text-muted: #78716C;--success: #10B981;--success-light: #D1FAE5;--danger: #EF4444;--danger-light: #FEE2E2;--warning: #F59E0B;--warning-light: #FEF3C7;--accent: #FDE68A;--radius: 16px;--radius-sm: 8px;--radius-lg: 20px;--font-heading: "Comfortaa", "Inter", system-ui, sans-serif;--font: "Inter", system-ui, sans-serif;--shadow: 0 1px 4px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(124,58,237,.1), 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 8px 32px rgba(124,58,237,.15), 0 4px 16px rgba(0,0,0,.08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{font-family:var(--font-heading)}h1{font-size:32px;font-weight:700;line-height:1.2}h2{font-size:24px;font-weight:600;line-height:1.3}h3{font-size:18px;font-weight:600;line-height:1.4}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:15px;font-weight:600;font-family:var(--font);cursor:pointer;border:none;transition:all .18s ease;text-decoration:none;white-space:nowrap}.btn:hover{text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #7c3aed59}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 20px #7c3aed73;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.btn-amber{background:var(--secondary);color:#fff;box-shadow:0 4px 12px #f59e0b59}.btn-amber:hover{background:#d97706;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--muted);border:none}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-sm{padding:6px 14px;font-size:13px}.btn-lg{padding:14px 28px;font-size:17px;height:52px}.btn-xl{padding:16px 36px;font-size:18px;height:56px;border-radius:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.card-title{font-size:17px;font-weight:600;font-family:var(--font-heading)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}.form-label{font-size:14px;font-weight:500;color:var(--text)}.form-input{padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:15px;width:100%;transition:border-color .15s,box-shadow .15s;background:var(--surface);color:var(--text);font-family:var(--font)}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #7c3aed1f}.form-input::placeholder{color:#a8a29e}.form-error{font-size:13px;color:var(--danger);margin-top:2px}.form-hint{font-size:13px;color:var(--muted)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--border);background:var(--bg)}.table td{padding:13px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:last-child td{border-bottom:none}.table tbody tr:hover{background:#faf9ff}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;font-family:var(--font)}.badge-success{background:var(--success-light);color:var(--success)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-warning{background:var(--warning-light);color:#92400e}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-amber{background:var(--accent);color:#92400e}.badge-muted{background:var(--bg);color:var(--muted);border:1px solid var(--border)}.sidebar{width:248px;height:100vh;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px;position:fixed;top:0;left:0;overflow-y:auto;z-index:100}.sidebar-logo{font-size:20px;font-weight:700;font-family:var(--font-heading);padding:8px 12px 16px;color:var(--primary);display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border);margin-bottom:8px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .15s;text-decoration:none}.nav-item:hover{background:var(--primary-light);color:var(--primary);text-decoration:none}.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-section{font-size:11px;font-weight:700;color:#a8a29e;text-transform:uppercase;letter-spacing:.08em;padding:12px 12px 4px}.main-content{margin-left:248px;padding:32px;min-height:100vh}.spinner{width:22px;height:22px;border:2.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;flex-shrink:0}.spinner-sm{width:16px;height:16px;border-width:2px}.spinner-lg{width:36px;height:36px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;align-items:center;justify-content:center;padding:64px 32px}.skeleton{background:linear-gradient(90deg,#f5f4f2 25%,#eceae8,#f5f4f2 75%);background-size:200%;animation:shimmer 1.4s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:8px}.skeleton-card{height:120px;border-radius:var(--radius)}.empty-state{text-align:center;padding:64px 32px;color:var(--muted)}.empty-state-icon{font-size:56px;margin-bottom:16px;display:block}.empty-state h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px;font-family:var(--font-heading)}.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;border:1px solid transparent;display:flex;align-items:flex-start;gap:8px}.alert-success{background:var(--success-light);color:#065f46;border-color:#a7f3d0}.alert-danger{background:var(--danger-light);color:#991b1b;border-color:#fecaca}.alert-warning{background:var(--warning-light);color:#92400e;border-color:#fde68a}.alert-info{background:var(--primary-light);color:#4c1d95;border-color:#ddd6fe}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c191773;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:28px;width:100%;max-width:500px;box-shadow:var(--shadow-lg);animation:modalIn .2s ease}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:18px;font-weight:700;font-family:var(--font-heading)}.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1;padding:4px;border-radius:6px;transition:background .15s}.modal-close:hover{background:var(--bg);color:var(--text)}.page-title{font-size:26px;font-weight:700;margin-bottom:24px;font-family:var(--font-heading);color:var(--text)}.section-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}.text-muted{color:var(--muted)}.text-sm{font-size:13px}.text-primary{color:var(--primary)}.page{max-width:1100px;margin:0 auto;padding:32px 24px}.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}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.divider{height:1px;background:var(--border);margin:20px 0}.progress-bar-wrap{background:var(--bg);border-radius:999px;height:8px;overflow:hidden;border:1px solid var(--border)}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:999px;transition:width .4s ease}.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:500;background:var(--primary-light);color:var(--primary);cursor:pointer;transition:all .15s;border:1.5px solid transparent;white-space:nowrap}.chip:hover{background:var(--primary);color:#fff}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chip-amber{background:var(--secondary-light);color:#92400e}.chip-amber.active,.chip-amber:hover{background:var(--secondary);color:#fff}.task-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:all .2s ease;cursor:pointer;text-decoration:none;display:block;color:var(--text)}.task-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none;color:var(--text)}.task-card.completed{border-color:var(--success);background:#f0fdf8}.task-card.locked{opacity:.6;cursor:not-allowed}.task-card.locked:hover{transform:none;box-shadow:var(--shadow);border-color:var(--border)}.roadmap-level{margin-bottom:32px}.roadmap-level-header{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:14px 20px;background:linear-gradient(135deg,var(--primary-light),#FAF5FF);border-radius:var(--radius);border:1px solid #DDD6FE}.roadmap-tasks{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.difficulty-dots{display:inline-flex;gap:3px}.difficulty-dot{width:8px;height:8px;border-radius:50%;background:var(--border)}.difficulty-dot.filled{background:var(--secondary)}.timer-display{font-size:32px;font-weight:700;font-family:var(--font-heading);color:var(--primary);letter-spacing:-1px}.timer-warning{color:var(--danger)}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}.topbar-logo{font-size:19px;font-weight:700;font-family:var(--font-heading);color:var(--primary);display:flex;align-items:center;gap:8px;text-decoration:none}.topbar-logo:hover{text-decoration:none}@keyframes float{0%,to{transform:translateY(0) rotate(0)}33%{transform:translateY(-12px) rotate(3deg)}66%{transform:translateY(6px) rotate(-2deg)}}.float-emoji{position:absolute;font-size:36px;animation:float 5s ease-in-out infinite;opacity:.7;-webkit-user-select:none;user-select:none;pointer-events:none}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f3ff,#fafaf8);padding:24px}.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;font-size:22px;font-weight:700;font-family:var(--font-heading);color:var(--primary);margin-bottom:8px}.auth-subtitle{text-align:center;font-size:14px;color:var(--muted);margin-bottom:28px}.avatar-circle{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;background:var(--primary-light);border:2px solid #DDD6FE;flex-shrink:0}.avatar-circle-sm{width:36px;height:36px;font-size:16px}.avatar-circle-lg{width:64px;height:64px;font-size:30px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px}.stat-value{font-size:28px;font-weight:700;font-family:var(--font-heading);color:var(--primary)}.stat-label{font-size:13px;color:var(--muted);font-weight:500}.admin-layout{display:flex;min-height:100vh}.admin-content{flex:1;padding:28px 32px;overflow-x:auto}.pagination{display:flex;gap:4px;align-items:center;justify-content:center;margin-top:20px}.page-btn{width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.page-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#c4c0bc}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}.main-content{margin-left:0;padding:16px}.sidebar{display:none}.admin-content{padding:16px}.page{padding:20px 16px}h1{font-size:26px}.topbar{padding:0 16px}}