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cubic-bezier(.77, 0, .175, 1);--ease-drawer: cubic-bezier(.32, .72, 0, 1);--sidebar-width: 264px;--topbar-height: 60px;font-family:Manrope,Segoe UI,system-ui,sans-serif;line-height:1.55;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}[data-theme=light]{--bg: #f3f6fb;--bg-elevated: #ffffff;--surface: #ffffff;--surface-2: #eef2f8;--surface-hover: #e7edf6;--border: #dbe3ef;--border-subtle: #e8eef6;--border-strong: #c5d0e0;--text: #0f172a;--text-secondary: #475569;--muted: #64748b;--muted-2: #94a3b8;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-2: #0d9488;--accent-soft: rgba(37, 99, 235, .1);--accent-ring: rgba(37, 99, 235, .28);--soft-accent: #e8f0ff;--danger: #e11d48;--danger-soft: rgba(225, 29, 72, .1);--success: #059669;--success-soft: rgba(5, 150, 105, .1);--warning: #d97706;--warning-soft: rgba(217, 119, 6, .1);--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow: 0 4px 14px rgba(15, 23, 42, .07);--shadow-lg: 0 18px 44px rgba(15, 23, 42, .1);--shadow-glow: 0 0 0 1px var(--border), 0 10px 28px rgba(15, 23, 42, .07)}[data-theme=light] .sidebar-logo{box-shadow:0 4px 14px #2563eb47}[data-theme=light] .admin-topbar{background:#f3f6fbc7}[data-theme=light] .modal-backdrop{background:#0f172a6b}[data-theme=light] .login-page{background:radial-gradient(ellipse 70% 55% at 15% 0%,rgba(37,99,235,.12),transparent 55%),radial-gradient(ellipse 55% 45% at 90% 100%,rgba(13,148,136,.1),transparent 50%),linear-gradient(165deg,#eef3fb,#f7f9fc 45%,#eef8f6)}[data-theme=light] .sidebar-link.active{color:var(--text);background:var(--accent-soft)}[data-theme=light] .sidebar-link.active .sidebar-link-icon{color:var(--accent)}[data-theme=light] .badge{background:var(--accent-soft);color:#1d4ed8;border-color:#2563eb33}[data-theme=light] .badge.badge-task{background:#2563eb1a;color:#1d4ed8;border-color:#2563eb33}[data-theme=light] 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p{margin:0 0 26px;color:var(--muted);font-size:.92rem;line-height:1.55}.login-secure-hint{display:flex;align-items:center;gap:8px;margin:-8px 0 18px;color:var(--muted);font-size:.78rem}.login-secure-hint svg{color:var(--accent-2);flex-shrink:0}.admin-layout{--sidebar-offset: var(--sidebar-width);min-height:100vh;display:flex;background:radial-gradient(ellipse 60% 40% at 100% 0%,rgba(59,130,246,.06),transparent 50%),var(--bg)}.admin-layout.sidebar-closed{--sidebar-offset: 0px}.admin-sidebar{position:fixed;top:0;left:0;z-index:40;width:var(--sidebar-width);height:100vh;display:flex;flex-direction:column;background:color-mix(in srgb,var(--bg-elevated) 92%,var(--accent) 8%);border-right:1px solid var(--border-subtle);transform:translate(0);transition:transform .28s var(--ease-drawer)}[data-theme=light] .admin-sidebar{background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.admin-layout.sidebar-closed .admin-sidebar{transform:translate(calc(-1 * 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li{position:relative;padding-left:18px;font-size:.86rem;color:var(--text-secondary)}.billing-preview-list li:before{content:"";position:absolute;left:0;top:.45em;width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.85}.billing-form .form-section{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-subtle)}.billing-form .form-section:last-of-type{border-bottom:none;margin-bottom:8px}.form-section-title{margin:0 0 14px;font-family:Outfit,Manrope,sans-serif;font-size:.95rem;font-weight:700;letter-spacing:-.02em}.field-hint{display:block;margin-top:5px;font-size:.75rem;color:var(--muted);font-weight:450}.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:4px}.stat{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 16px 16px 18px;display:flex;flex-direction:column;gap:4px;overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .16s var(--ease-out),transform .16s var(--ease-out),box-shadow .16s var(--ease-out)}.stat:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:999px;background:var(--stat-color, var(--accent));opacity:.85}@media(hover:hover)and (pointer:fine){.stat:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow)}}.stat:active{transform:scale(.985)}.stat-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.stat-icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--stat-soft, var(--accent-soft));color:var(--stat-color, var(--accent));flex-shrink:0}.stat strong{display:block;font-size:1.55rem;font-weight:600;letter-spacing:-.02em;line-height:1.2;margin-top:6px}.stat span{color:var(--muted);font-size:.8rem;font-weight:500}.stat.stat-task{--stat-color: #3b82f6;--stat-soft: rgba(59,130,246,.12)}.stat.stat-lesson{--stat-color: #10b981;--stat-soft: rgba(16,185,129,.12)}.stat.stat-penalty{--stat-color: #f43f5e;--stat-soft: rgba(244,63,94,.12)}.stat.stat-reward{--stat-color: #f59e0b;--stat-soft: rgba(245,158,11,.12)}.stat.stat-category{--stat-color: #06b6d4;--stat-soft: rgba(6,182,212,.12)}.stat.stat-image{--stat-color: #a855f7;--stat-soft: rgba(168,85,247,.12)}.stat.stat-total{--stat-color: #3b82f6;--stat-soft: rgba(59,130,246,.12)}.app-shell{max-width:1200px;margin:0 auto;padding:24px 20px 48px}.tabs{display:flex;gap:4px;margin-bottom:20px;flex-wrap:wrap;padding:4px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:fit-content;max-width:100%}.tab{background:transparent;border:1px solid transparent;color:var(--muted);padding:8px 14px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;transition:background .15s var(--ease-out),color .15s var(--ease-out),border-color .15s 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