:root{--primary: #197a80;--primary-dark: #125e62;--secondary: #6366f1;--bg-app: #f8fafc;--bg-sidebar: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--white: #ffffff;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-main);background-color:var(--bg-app)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input{font:inherit}.eyebrow{color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;margin-bottom:8px;display:block}.api-status{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:#ef4444}.status-dot.online{background:#10b981;box-shadow:0 0 8px #10b98166}.loading-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-app)}.loading-panel{text-align:center;animation:fadeIn .5s ease-out}.loading-panel .api-status{justify-content:center;margin-top:24px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.app-shell{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.brand-panel{background:linear-gradient(135deg,#173248,#197a80);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:80px}.brand-panel .eyebrow{color:#fde047}.brand-panel h1{font-size:4rem;font-weight:800;margin:0 0 24px;letter-spacing:-.04em}.brand-panel .api-status{color:#fffc}.hero-copy{font-size:1.25rem;line-height:1.6;opacity:.9;max-width:480px;margin-bottom:48px}.auth-panel{background:#fff;display:flex;align-items:center;justify-content:center;padding:40px}.login-form{width:100%;max-width:400px;display:flex;flex-direction:column;gap:24px}.login-form h2{font-size:2rem;font-weight:800;margin:8px 0 0}.login-form label{display:flex;flex-direction:column;gap:8px;font-weight:600;font-size:.9rem;color:var(--text-muted)}.login-form input{padding:12px 16px;border-radius:12px;border:1px solid var(--border);font-size:1rem;transition:all .2s}.login-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #197a801a}.login-form .primary-button{background:var(--primary);color:#fff;justify-content:center;padding:16px;margin-top:8px}.login-form 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svg{color:var(--text-muted);transition:color .2s}.nav-link:hover{background:#f1f5f9;color:var(--text-main)}.nav-link.active{background:#e9f5f5;color:#197a80}.nav-link.active svg{color:#197a80}.profile-card{display:flex;align-items:center;gap:12px;padding:12px;background:#f8fafc;border-radius:12px;margin-top:auto}.profile-card .avatar{width:40px;height:40px;background:#e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--text-muted);position:relative}.profile-status-dot{position:absolute;bottom:0;right:0;border:2px solid var(--bg-sidebar);border-radius:50%;line-height:0}.profile-card strong{display:block;font-size:.85rem}.profile-card span{font-size:.75rem;color:var(--text-muted)}.logout-button{display:flex;align-items:center;gap:8px;padding:8px 16px;color:#ef4444;background:none;border:none;cursor:pointer;font-size:.85rem;font-weight:600}.workspace{padding:40px;max-width:1200px;margin:0 auto;width:100%}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.dashboard-header h1{font-size:1.75rem;font-weight:800;margin:0;letter-spacing:-.02em}.dashboard-header p{margin:4px 0 0;color:var(--text-muted);font-size:.95rem}.header-actions{display:flex;align-items:center;gap:16px}.icon-button{background:#fff;border:1px solid var(--border);padding:8px;border-radius:10px;cursor:pointer;color:var(--text-muted)}.user-avatar-small{width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid white;box-shadow:var(--shadow-sm)}.user-avatar-small img{width:100%;height:100%;object-fit:cover}.hero-banner{background:linear-gradient(135deg,#173248,#197a80);border-radius:24px;padding:48px;color:#fff;display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;margin-bottom:40px;position:relative;overflow:hidden}.hero-content h2{font-size:2.25rem;font-weight:800;margin:0 0 16px;line-height:1.2}.hero-content h2 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h2{font-size:1.25rem;font-weight:800;margin:0}.workspace-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.back-button{background:#fff;border:1px solid var(--border);padding:10px 20px;border-radius:12px;font-weight:700;cursor:pointer;color:var(--text-muted);display:inline-flex;align-items:center;gap:8px;transition:all .2s;margin-bottom:24px}.back-button.no-margin{margin-bottom:0}.back-button:hover{background:#f8fafc;color:var(--text-main);border-color:#cbd5e1}.text-button{background:none;border:none;color:var(--primary);font-weight:700;cursor:pointer}.category-chips-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px}.chip{background:#fff;border:1px solid var(--border);padding:10px 20px;border-radius:999px;font-weight:600;font-size:.9rem;white-space:nowrap;cursor:pointer;transition:all .2s}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.exam-grid-modern{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.exam-card-modern{background:#fff;padding:24px;border-radius:20px;border:1px solid var(--border);transition:all .3s;display:flex;flex-direction:column;position:relative}.exam-card-modern:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:#bddfe0}.card-icon{background:#f1f5f9;width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#475569}.card-year{font-size:.75rem;font-weight:700;color:var(--text-muted);margin-bottom:4px;display:block}.exam-card-modern h3{margin:0 0 4px;font-size:1.1rem;font-weight:800}.exam-card-modern p{color:var(--text-muted);font-size:.9rem;margin:0 0 20px}.card-meta{display:flex;gap:16px;margin-bottom:24px}.card-meta 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strong{display:block;font-size:2rem;font-weight:800;margin-top:8px}.history-list{display:grid;gap:16px}.history-item{background:#fff;padding:20px;border-radius:16px;border:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.history-header h3{margin:4px 0;font-size:1.1rem}.history-header time{font-size:.85rem;color:var(--text-muted)}.history-status{display:flex;align-items:center;gap:16px}.status-badge{padding:6px 12px;border-radius:8px;font-size:.8rem;font-weight:700}.status-badge.submitted{background:#dcfce7;color:#166534}.status-badge.in_progress{background:#fef9c3;color:#854d0e}.status-badge.published{background:#e6f4ea;color:#137333}.status-badge.review{background:#fef7e0;color:#b06000}.status-badge.draft{background:#e8f0fe;color:#1a73e8}.status-badge.archived{background:#f1f3f4;color:#5f6368}.history-actions{display:flex;gap:8px}.secondary-button{background:#f8fafc;border:1px solid var(--border);padding:8px 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p{color:var(--text-muted);font-size:.9rem;line-height:1.5;margin-bottom:16px}.form-error{margin:12px 0 0;color:#ef4444;font-size:.85rem;font-weight:600}@media(max-width:1024px){.dashboard-shell{grid-template-columns:80px 1fr}.sidebar-logo div,.nav-link span,.profile-card div,.logout-button span{display:none}.nav-link{justify-content:center}.hero-banner{grid-template-columns:1fr;padding:32px 24px}.hero-metrics{flex-direction:row}.result-layout-modern,.result-main-card{grid-template-columns:1fr}.score-circle-container{border-right:none;border-bottom:1px solid var(--border)}}@media(max-width:640px){.workspace{padding:20px}.hero-metrics,.hero-actions{flex-direction:column}}.practice-layout{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}.practice-layout.has-story{grid-template-columns:1.2fr 1fr 320px}.story-panel{background:#fafaf7;padding:40px;border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);max-height:calc(100vh - 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span{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--text-muted)}.legend-dot{width:8px;height:8px;border-radius:2px}.legend-dot.current{background:#fff;border:1px solid var(--primary)}.legend-dot.answered{background:#e9f5f5;border:1px solid #bddfe0}.legend-dot.marked{background:#fef9c3;border:1px solid #fde047}.legend-dot.blank{background:#fff;border:1px solid var(--border)}.submit-attempt-button{width:100%;justify-content:center;padding:16px}.submit-error{color:#ef4444;font-size:.85rem;font-weight:600;text-align:center}@media(max-width:1024px){.practice-layout,.practice-layout.has-story{grid-template-columns:1fr}.story-panel{position:static;max-height:none;margin-bottom:24px}.attempt-sidebar{position:static}.question-map{grid-template-columns:repeat(10,1fr)}}.admin-management-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;margin-top:24px}.admin-exam-table{background:#fff;border-radius:20px;border:1px solid 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