:root{--color-primary:#00a8cc;--color-navy:#102a43;--color-yellow:#ffc857;--color-green:#20a779;--color-bg:#f7fafc;--color-surface:#fff;--color-text:#102a43;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-error:#e53e3e;--color-success:#20a779;--radius:12px;--radius-sm:8px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:#008fb0;text-decoration:none}.btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{border-color:var(--color-primary);text-decoration:none}.btn--lg{padding:14px 32px;font-size:1.05rem}.btn--block{width:100%}.form-group{margin-bottom:20px}.form-label{color:var(--color-text);margin-bottom:6px;font-size:.9rem;font-weight:500;display:block}.form-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;color:var(--color-text);padding:12px 16px;transition:border-color .2s}.form-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #00a8cc1a}.form-error{color:var(--color-error);margin-top:6px;font-size:.85rem}.form-hint{color:var(--color-text-muted);margin-top:6px;font-size:.85rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px}.auth-container{background:linear-gradient(135deg,#102a43 0%,#081826 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--color-surface);border-radius:var(--radius);width:100%;max-width:440px;padding:40px;box-shadow:0 20px 60px #00000026}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo a{color:var(--color-navy);font-size:1.5rem;font-weight:800;text-decoration:none}.auth-logo .code{color:var(--color-primary)}.auth-title{text-align:center;margin-bottom:8px;font-size:1.5rem;font-weight:700}.auth-subtitle{color:var(--color-text-muted);text-align:center;margin-bottom:32px;font-size:.95rem}.auth-footer{text-align:center;color:var(--color-text-muted);margin-top:24px;font-size:.9rem}.alert{border-radius:var(--radius-sm);margin-bottom:20px;padding:12px 16px;font-size:.9rem}.alert--error{color:#742a2a;background:#fed7d7}.alert--success{color:#22543d;background:#c6f6d5}.alert--info{color:#2a4365;background:#bee3f8}.dashboard{min-height:100vh;display:flex}.sidebar{background:var(--color-navy);color:#fff;flex-shrink:0;width:240px;padding:24px 16px}.sidebar-logo{margin-bottom:32px;padding:0 8px;font-size:1.2rem;font-weight:800}.sidebar-logo .code{color:var(--color-primary)}.sidebar-nav{flex-direction:column;gap:4px;list-style:none;display:flex}.sidebar-nav a{border-radius:var(--radius-sm);color:#ffffffb3;align-items:center;gap:12px;padding:10px 12px;font-size:.9rem;text-decoration:none;transition:all .2s;display:flex}.sidebar-nav a:hover,.sidebar-nav a.active{color:#fff;background:#ffffff1a;text-decoration:none}.dashboard-main{flex:1;padding:32px;overflow-y:auto}.dashboard-header{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.dashboard-title{font-size:1.5rem;font-weight:700}.user-menu{align-items:center;gap:12px;display:flex}.user-avatar{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:600;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px}.stat-label{color:var(--color-text-muted);margin-bottom:8px;font-size:.85rem}.stat-value{color:var(--color-navy);font-size:2rem;font-weight:700}@media (width<=768px){.dashboard{flex-direction:column}.sidebar{width:100%}.sidebar-nav{flex-flow:wrap}}