/* Variables */
:root {
  --bg:             #F8FAFC;
  --sidebar:        #1E293B;
  --sidebar-text:   #94A3B8;
  --sidebar-active: #FFFFFF;
  --accent:         #6366F1;
  --accent-hover:   #4F46E5;
  --danger:         #EF4444;
  --success:        #22C55E;
  --warning:        #F59E0B;
  --card-bg:        #FFFFFF;
  --border:         #E2E8F0;
  --text:           #1E293B;
  --text-muted:     #64748B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ── Layout ── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 230px;
  background: var(--sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.sidebar-logo h2 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}

.sidebar-logo span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.sidebar-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.sidebar-nav a.active {
  color: var(--sidebar-active);
  border-left-color: var(--accent);
  background: rgba(99,102,241,0.12);
}

.sidebar-nav .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.sidebar-footer button {
  width: 100%;
  padding: 8px;
  background: rgba(239,68,68,0.15);
  color: #FCA5A5;
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s;
}

.sidebar-footer button:hover {
  background: rgba(239,68,68,0.25);
}

/* ── Main ── */
.main {
  margin-left: 230px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.topbar .admin-info {
  font-size: 13px;
  color: var(--text-muted);
}

.content {
  padding: 28px;
  flex: 1;
}

/* ── Cards ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
}

.card-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Grid de stats ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* ── Tabla ── */
.table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: #F1F5F9;
  padding: 10px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: #F8FAFC; }

/* ── Filtros ── */
.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filters input,
.filters select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: var(--card-bg);
  color: var(--text);
  outline: none;
}

.filters input:focus,
.filters select:focus {
  border-color: var(--accent);
}

/* ── Botones ── */
.btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.15s;
  text-decoration: none;
  display: inline-block;
}

.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary  { background: var(--accent);  color: #fff; }
.btn-success  { background: var(--success);  color: #fff; }
.btn-danger   { background: var(--danger);   color: #fff; }
.btn-warning  { background: var(--warning);  color: #fff; }
.btn-ghost    { background: #F1F5F9; color: var(--text); border: 1px solid var(--border); }

/* ── Formularios ── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  background: var(--card-bg);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal p {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Danger zone ── */
.danger-zone {
  border: 1px solid #FCA5A5;
  border-radius: 10px;
  padding: 18px;
  background: #FFF5F5;
  margin-top: 24px;
}

.danger-zone h4 {
  color: var(--danger);
  font-size: 14px;
  margin-bottom: 6px;
}

.danger-zone p {
  font-size: 13px;
  color: #7F1D1D;
  margin-bottom: 12px;
  line-height: 1.5;
}

/* ── Toggle switch ── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.toggle-row:last-child { border-bottom: none; }

.toggle-label {
  font-size: 13.5px;
  color: var(--text);
}

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: #CBD5E1;
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider:before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider:before { transform: translateX(18px); }

/* ── Sección ── */
.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Login ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sidebar);
}

.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.25);
}

.login-card .logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-card .logo h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.login-card .logo p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Loader ── */
.loader {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Info grid ── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.info-item label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 3px;
}

.info-item span {
  font-size: 14px;
  color: var(--text);
}