*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue: #1B4F8A; --blue-light: #2563b0; --blue-pale: #E8EFF8; --blue-mid: #A8C4E0;
  --text: #1a1a1a; --muted: #6b7280; --muted2: #9ca3af;
  --border: #e5e7eb; --border2: #d1d5db;
  --bg: #f3f6fb; --white: #ffffff;
  --red: #dc2626; --red-pale: #fef2f2;
  --green: #16a34a; --green-pale: #f0fdf4;
  --amber: #d97706; --amber-pale: #fffbeb;
  --sidebar-w: 240px;
  --radius: 10px;
}
html, body { height: 100%; font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }

/* ── LAYOUT ────────────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w); background: var(--blue); color: white;
  display: flex; flex-direction: column; flex-shrink: 0;
  transition: transform 0.3s;
}
.sidebar-logo { padding: 20px 18px 16px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.sidebar-logo h1 { font-size: 18px; font-weight: 700; }
.sidebar-logo p { font-size: 11px; opacity: 0.6; margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px; cursor: pointer; font-size: 13px;
  border-left: 3px solid transparent;
  transition: background 0.15s;
  user-select: none;
}
.nav-item:hover { background: rgba(255,255,255,0.08); }
.nav-item.active { background: rgba(255,255,255,0.13); border-left-color: white; font-weight: 600; }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.85; }
.nav-section { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.45; padding: 14px 18px 4px; }
.sidebar-user { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.12); }
.sidebar-user .user-name { font-size: 13px; font-weight: 600; }
.sidebar-user .user-role { font-size: 11px; opacity: 0.6; }
.btn-logout { display: flex; align-items: center; gap: 6px; margin-top: 8px; background: rgba(255,255,255,0.1); border: none; color: white; padding: 7px 12px; border-radius: 7px; cursor: pointer; font-size: 12px; font-family: inherit; width: 100%; transition: background 0.15s; }
.btn-logout:hover { background: rgba(255,255,255,0.18); }

/* MAIN */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.topbar-title { font-size: 16px; font-weight: 700; color: var(--blue); }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.content { flex: 1; overflow-y: auto; padding: 24px; }

/* ── CARDS ─────────────────────────────────────────── */
.card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 14px; font-weight: 700; }
.card-body { padding: 20px; }

/* STAT CARDS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); padding: 18px 20px; }
.stat-card .stat-label { font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .stat-value { font-size: 32px; font-weight: 800; color: var(--blue); line-height: 1.1; margin-top: 6px; }
.stat-card .stat-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.amber .stat-value { color: var(--amber); }

/* TABLA */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 14px; background: var(--bg); border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafd; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.activa { background: var(--green-pale); color: var(--green); }
.badge.completada { background: var(--blue-pale); color: var(--blue); }
.badge.cancelada { background: var(--red-pale); color: var(--red); }
.badge.pendiente { background: var(--amber-pale); color: var(--amber); }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; font-family: inherit; transition: all 0.15s; }
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: var(--blue-light); }
.btn-secondary { background: var(--white); color: var(--text); border: 1.5px solid var(--border2); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--red-pale); color: var(--red); }
.btn-danger:hover { background: #fee2e2; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; width: 32px; height: 32px; justify-content: center; }
.btn svg { width: 15px; height: 15px; }

/* FORMS */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 20px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1/-1; }
label.form-label { font-size: 12px; font-weight: 600; color: var(--muted); }
input, select, textarea {
  font-family: inherit; font-size: 13px; color: var(--text);
  border: 1.5px solid var(--border2); border-radius: 7px;
  padding: 8px 11px; outline: none; background: var(--white);
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(27,79,138,0.08); }
textarea { resize: vertical; min-height: 70px; }
.input-suffix { display: flex; align-items: center; gap: 0; }
.input-suffix input { border-radius: 7px 0 0 7px; flex: 1; }
.input-suffix span { padding: 8px 10px; background: var(--bg); border: 1.5px solid var(--border2); border-left: none; border-radius: 0 7px 7px 0; color: var(--muted); font-size: 12px; }
.checkbox-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.checkbox-item { display: flex; align-items: center; gap: 6px; padding: 5px 12px; border: 1.5px solid var(--border2); border-radius: 20px; cursor: pointer; font-size: 12px; transition: all 0.15s; user-select: none; }
.checkbox-item:hover { border-color: var(--blue-mid); }
.checkbox-item input[type=checkbox] { accent-color: var(--blue); width: 14px; height: 14px; }
.checkbox-item.checked { background: var(--blue-pale); border-color: var(--blue-mid); color: var(--blue); }

/* SECTION BLOCKS in door form */
.form-section { margin-bottom: 20px; }
.form-section-title {
  font-size: 11px; font-weight: 700; color: var(--blue); text-transform: uppercase;
  letter-spacing: 0.07em; padding: 6px 0 8px;
  border-bottom: 2px solid var(--blue-pale); margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
}

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 16px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--white); border-radius: 14px;
  width: 100%; max-width: 780px; max-height: 90vh;
  display: flex; flex-direction: column;
  transform: translateY(12px); transition: transform 0.2s;
  overflow: hidden;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h2 { font-size: 16px; font-weight: 700; }
.modal-body { padding: 22px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.btn-close { background: none; border: none; cursor: pointer; color: var(--muted); padding: 4px; border-radius: 6px; }
.btn-close:hover { background: var(--bg); color: var(--text); }
.btn-close svg { width: 20px; height: 20px; display: block; }

/* DIAGRAM visual */
.door-diagram { display: flex; align-items: flex-start; gap: 28px; }
.door-diagram svg { flex-shrink: 0; }
.door-diagram .dim-panel { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.dim-row { display: flex; align-items: center; gap: 8px; }
.dim-label { font-size: 11px; font-weight: 600; color: var(--muted); width: 90px; flex-shrink: 0; }
.dim-input-wrap { flex: 1; display: flex; align-items: center; gap: 0; }
.dim-input-wrap input { border-radius: 7px 0 0 7px; flex: 1; min-width: 0; }
.dim-input-wrap span { padding: 8px 8px; background: var(--bg); border: 1.5px solid var(--border2); border-left: none; border-radius: 0 7px 7px 0; color: var(--muted); font-size: 11px; }

/* PHOTOS */
.photos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; margin-top: 10px; }
.photo-thumb { position: relative; aspect-ratio: 1; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; }
.photo-thumb .del-photo { position: absolute; top: 4px; right: 4px; background: rgba(220,38,38,0.85); border: none; border-radius: 50%; width: 22px; height: 22px; color: white; cursor: pointer; font-size: 14px; line-height: 1; display: flex; align-items: center; justify-content: center; }
.upload-zone { border: 2px dashed var(--border2); border-radius: 8px; padding: 20px; text-align: center; cursor: pointer; color: var(--muted); font-size: 13px; transition: all 0.15s; }
.upload-zone:hover { border-color: var(--blue-mid); color: var(--blue); background: var(--blue-pale); }
#file-input { display: none; }

/* TABS */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab { padding: 8px 16px; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.15s; }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* DOOR CARD in list */
.door-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 10px;
  transition: box-shadow 0.15s;
}
.door-card:hover { box-shadow: 0 2px 8px rgba(27,79,138,0.08); }
.door-card-header {
  padding: 12px 16px; background: var(--blue-pale);
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
}
.door-card-header .door-title { font-weight: 700; color: var(--blue); font-size: 14px; }
.door-card-header .door-meta { font-size: 12px; color: var(--muted); }
.door-card-body { padding: 14px 16px; display: none; }
.door-card.open .door-card-body { display: block; }
.door-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 8px 16px; }
.door-field .df-label { font-size: 10px; font-weight: 600; color: var(--muted2); text-transform: uppercase; letter-spacing: 0.05em; }
.door-field .df-value { font-size: 13px; color: var(--text); margin-top: 2px; }

/* TOAST */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 16px; border-radius: 10px; font-size: 13px; font-weight: 500; color: white; animation: slideIn 0.25s ease; max-width: 280px; }
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
.toast.info { background: var(--blue); }
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* SEARCH */
.search-bar { display: flex; align-items: center; gap: 8px; position: relative; }
.search-bar input { padding-left: 34px; min-width: 200px; }
.search-bar .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-bar svg { width: 16px; height: 16px; }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state svg { width: 48px; height: 48px; opacity: 0.25; margin: 0 auto 12px; display: block; }
.empty-state h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* RESPONSIVE tablet */
@media (max-width: 768px) {
  :root { --sidebar-w: 60px; }
  .sidebar-logo, .nav-item span, .nav-section, .sidebar-user .user-name, .sidebar-user .user-role { display: none; }
  .sidebar-logo { padding: 14px 0; }
  .nav-item { justify-content: center; padding: 12px; }
  .btn-logout span { display: none; }
  .btn-logout { justify-content: center; }
  .content { padding: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .door-diagram { flex-direction: column; }
  .modal { max-width: 100%; max-height: 95vh; }
}

/* LOADING */
.loading { display: flex; align-items: center; justify-content: center; padding: 40px; color: var(--muted); gap: 10px; }
.spinner { width: 20px; height: 20px; border: 2.5px solid var(--border); border-top-color: var(--blue); border-radius: 50%; animation: spin 0.7s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* SELECT estado */
select.estado-select { font-size: 12px; padding: 4px 8px; border-radius: 20px; font-weight: 600; }


.sidebar-logo-img { width: 170px; max-width: 100%; height: auto; display: block; margin: 0 auto 10px; }
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.catalog-card .card-body { padding-top: 0; }
.catalog-table { width: 100%; border-collapse: collapse; }
.catalog-table th, .catalog-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; }
.catalog-table th { font-size: 11px; color: var(--muted2); text-transform: uppercase; letter-spacing: .05em; }
.catalog-table tbody tr:last-child td { border-bottom: none; }
@media (max-width: 768px) { .sidebar-logo-img { display:none; } .catalog-grid { grid-template-columns: 1fr; } }