:root{--bg: #f4f6f8;--card: #ffffff;--border: #d9dee3;--text: #1f2933;--muted: #6b7280;--primary: #1d4ed8;--primary-dark: #1e40af;--danger: #dc2626;--ok: #15803d;--warn: #b45309}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;min-height:100vh}.topbar{display:none}.sidebar{width:220px;background:#0f172a;color:#e2e8f0;padding:20px 14px;flex-shrink:0}.sidebar h2{font-size:15px;margin:0 0 18px}.sidebar nav a{display:block;color:#cbd5e1;padding:9px 10px;border-radius:6px;margin-bottom:2px;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#1e293b;color:#fff;text-decoration:none}.sidebar .user{margin-top:24px;font-size:12px;color:#94a3b8;border-top:1px solid #1e293b;padding-top:14px}.main{flex:1;min-width:0;padding:26px 32px;max-width:1100px}.main h1{font-size:22px;margin:0 0 18px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px}.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}.stat .n{font-size:26px;font-weight:700}.stat .l{font-size:13px;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}label{display:block;font-size:13px;margin:10px 0 4px;color:var(--muted)}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font:inherit;background:#fff}button{font:inherit;padding:9px 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var(--border);border-radius:8px;background:#fff;touch-action:none;max-width:100%;height:auto}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:100;overflow-y:auto}.modal-box{background:var(--card);border:1px solid var(--border);border-radius:10px;width:100%;box-shadow:0 12px 40px #00000040}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0;font-size:16px}.modal-x{background:transparent;color:var(--muted);font-size:22px;line-height:1;padding:0 4px}.modal-x:hover{background:transparent;color:var(--text)}.modal-body{padding:18px}.timeline{list-style:none;margin:0;padding:4px 0 0 6px}.timeline li{position:relative;padding:0 0 20px 26px;border-left:2px solid var(--border)}.timeline li:last-child{border-left-color:transparent;padding-bottom:4px}.timeline li:before{content:"";position:absolute;left:-8px;top:2px;width:14px;height:14px;border-radius:50%;background:var(--muted);border:3px solid var(--card);box-shadow:0 0 0 1px var(--border)}.timeline li[data-type=entrada]:before{background:var(--ok)}.timeline li[data-type=salida]:before{background:var(--warn)}.timeline li[data-type=mantenimiento]:before{background:var(--warn)}.timeline li[data-type=baja]:before{background:var(--danger)}.timeline li[data-type=ajuste]:before{background:var(--primary)}.timeline .tl-date{font-size:12px;color:var(--muted)}.timeline .tl-title{font-weight:600;margin:2px 0}.timeline .tl-meta{font-size:13px;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px 24px}.detail-grid .k{font-size:12px;color:var(--muted)}.detail-grid .v{font-size:14px}@media (max-width: 860px){.app-shell{flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;background:#0f172a;color:#fff;padding:10px 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