:root{--primary: #2f6690;--primary-dark: #234d6b;--primary-light: #e7f0f7;--sidebar: #16232f;--sidebar-2: #1f3244;--accent: #d1793f;--accent-dark: #b6642d;--accent-light: #fbeadc;--bg: #f5f3ee;--card-bg: #ffffff;--border: #e3ddd0;--text: #23262b;--muted: #757066;--success: #2f9165;--success-bg: #e3f3e9;--danger: #c0392b;--danger-bg: #fbe8e5;--teal: #0f766e;--teal-bg: #e0f2f0;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.layout{display:flex;min-height:100vh}.sidebar{width:250px;flex-shrink:0;background:linear-gradient(180deg,var(--sidebar) 0%,var(--sidebar-2) 100%);color:#eef2f5;padding:24px 16px;display:flex;flex-direction:column;gap:24px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{background:var(--accent);color:#fff;font-weight:700;border-radius:8px;width:38px;height:38px;display:flex;align-items:center;justify-content:center}.brand-sub{font-size:12px;color:#a9bccb}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-link{color:#cfdbe4;text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px}.nav-link:hover{background:#ffffff14;color:#fff}.nav-link.active{background:var(--accent);color:#fff;font-weight:600}.content{flex:1;padding:28px 32px;max-width:1200px}h1{margin-top:0;color:var(--sidebar)}.page-header{margin-bottom:20px}.page-header p{color:var(--muted);margin-top:4px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-header h2{margin:0;font-size:18px;color:var(--sidebar)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width: 900px){.grid-2,.grid-3{grid-template-columns:1fr}}.stat-tile{background:var(--card-bg);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);padding:18px}.stat-tile .value{font-size:28px;font-weight:700;color:var(--primary-dark)}.stat-tile .label{color:var(--muted);font-size:13px;margin-top:4px}table{width:100%;border-collapse:collapse;font-size:14px}.table-wrap{overflow-x:auto}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);white-space:nowrap}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.btn{background:#fff;border:1px solid var(--border);color:var(--text);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}.btn:hover{background:#f1ede4}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-small{padding:5px 10px;font-size:12px}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger-bg)}.actions-cell{display:flex;gap:6px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:var(--primary-light);padding:16px;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:18px}.form-field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.form-field input,.form-field select,.form-field textarea{font-family:inherit;font-size:14px;padding:8px;border-radius:6px;border:1px solid var(--border);color:var(--text);background:#fff}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2f669026}.form-actions{grid-column:1 / -1;display:flex;gap:10px}@media (max-width: 900px){.form-grid{grid-template-columns:1fr}}.muted{color:var(--muted)}.alert-error{background:var(--danger-bg);color:var(--danger);padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px;border:1px solid rgba(192,57,43,.25)}.tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.tag-fabricacion{background:var(--accent-light);color:var(--accent-dark)}.tag-pintura{background:var(--primary-light);color:var(--primary-dark)}.tag-instalacion{background:var(--success-bg);color:var(--success)}.tag-accesorio{background:var(--teal-bg);color:var(--teal)}.tag-low{background:var(--danger-bg);color:var(--danger)}.tag-ok{background:var(--success-bg);color:var(--success)}.result-box{background:var(--primary-light);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.result-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--border);font-size:14px}.message-box{white-space:pre-wrap;background:var(--accent-light);border:1px dashed var(--accent);padding:14px;border-radius:8px;margin-top:12px;font-size:14px;color:#6b3d1a}.link-plain{color:var(--primary);text-decoration:none;font-weight:600}.link-plain:hover{color:var(--primary-dark)}.section-title{margin:28px 0 12px;font-size:16px;color:var(--sidebar)}