.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;gap:1.5rem;padding-top:.85rem;padding-bottom:.85rem;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.75rem;color:var(--text)}.brand-icon{font-size:1.75rem;background:var(--primary);color:#fff;width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center}.brand small{display:block;color:var(--muted);font-size:.75rem}.main-nav{display:flex;gap:.25rem;flex-wrap:wrap;flex:1}.main-nav a{padding:.5rem .85rem;border-radius:8px;color:var(--muted);font-weight:500;font-size:.9rem}.main-nav a:hover{background:#eef2f7;color:var(--primary)}.header-user{display:flex;align-items:center;gap:.75rem}.user-name{font-size:.85rem;color:var(--muted)}.btn-sm{padding:.4rem .85rem;font-size:.85rem}.app-main{flex:1;padding:1.5rem 0 3rem}.app-footer{background:var(--primary-dark);color:#ffffffbf;padding:1.25rem 0;font-size:.85rem;text-align:center}@media(max-width:768px){.header-inner{flex-direction:column;align-items:flex-start}.main-nav{width:100%}}:root{--bg: #f4f6f9;--surface: #ffffff;--primary: #1e4d8c;--primary-dark: #163a6b;--accent: #c45c26;--text: #1a2332;--muted: #5c6b7f;--border: #dde3ec;--success: #1a7f4b;--warning: #b45309;--danger: #b91c1c;--radius: 12px;--shadow: 0 4px 24px rgba(30, 77, 140, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}a{color:var(--primary);text-decoration:none}button,input,select,textarea{font:inherit}.container{max-width:1100px;margin:0 auto;padding:1.5rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--border)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.25rem;border-radius:8px;border:none;cursor:pointer;font-weight:600;transition:background .15s,transform .1s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#e8eef5;color:var(--primary)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.form-group{margin-bottom:1rem}.form-group label{display:block;font-weight:500;margin-bottom:.35rem;font-size:.9rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.65rem .85rem;border:1px solid var(--border);border-radius:8px;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid rgba(30,77,140,.25);border-color:var(--primary)}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-radicada{background:#dbeafe;color:#1e40af}.badge-en_revision{background:#fef3c7;color:#92400e}.badge-en_proceso{background:#e0e7ff;color:#3730a3}.badge-resuelta{background:#d1fae5;color:#065f46}.badge-archivada{background:#f3f4f6;color:#4b5563}.alert{padding:.85rem 1rem;border-radius:8px;margin-bottom:1rem}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert-success{background:#ecfdf5;color:var(--success);border:1px solid #a7f3d0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.75rem;border-bottom:1px solid var(--border)}th{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.stat-card{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border-radius:var(--radius);padding:1.25rem}.stat-card h3{font-size:2rem;font-weight:700}.stat-card p{opacity:.85;font-size:.9rem}@media(max-width:640px){.container{padding:1rem}}