@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Barlow:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #1E6091;
  --primary-light: #2878B0;
  --primary-dark: #154870;
  --secondary: #F0C030;
  --secondary-light: #F5D060;
  --accent: #45A5C4;
  --success: #7DC8A8;
  --danger: #e74c3c;
  --warning: #F0C030;
  --white: #ffffff;
  --bg: #f8f9fa;
  --gray-100: #eef1f3;
  --gray-200: #d5dce0;
  --gray-300: #a0adb5;
  --gray-400: #7a8b95;
  --gray-500: #5c6d77;
  --gray-600: #475860;
  --gray-700: #354550;
  --gray-800: #233440;
  --shadow: 0 2px 10px rgba(30,96,145,0.08);
  --radius: 6px;
  --sidebar-width: 260px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--gray-700); }
h1,h2,h3,h4,h5,h6 { font-family: 'Barlow', sans-serif; }

/* LOGIN */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 20px;
}
.login-card {
  background: var(--white);
  padding: 40px;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo { height: 80px; margin-bottom: 20px; border-radius: 0; background: transparent; }
.login-card h2 { color: var(--primary); margin-bottom: 5px; font-size: 1.4rem; }
.login-card > p { color: var(--gray-600); margin-bottom: 25px; font-size: 0.9rem; }
.error-msg { color: var(--danger); font-size: 0.85rem; margin-top: 10px; }

/* LAYOUT */
.admin-app { display: flex; min-height: 100vh; }

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: var(--primary);
  color: var(--white);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  transition: var(--transition);
  z-index: 1000;
}
.sidebar.collapsed { width: 70px; }
.sidebar-header {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo { height: 50px; border-radius: 0; background: transparent; margin-bottom: 8px; }
.sidebar-header h3 { font-size: 1.1rem; color: var(--secondary-light); }
.sidebar-header span { font-size: 0.75rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 1px; }
.sidebar-nav { padding: 15px 0; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--gray-400);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--white); border-left-color: var(--secondary); }
.nav-item.active { background: rgba(232,146,13,0.15); color: var(--secondary-light); border-left-color: var(--secondary); }
.nav-item i { width: 20px; text-align: center; font-size: 1rem; }

/* MAIN CONTENT */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: var(--transition);
}
.topbar-admin {
  background: var(--white);
  padding: 15px 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.sidebar-toggle { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--gray-700); padding: 5px; }
.topbar-admin h2 { flex: 1; font-size: 1.3rem; color: var(--primary); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-right span { font-size: 0.9rem; font-weight: 600; color: var(--gray-700); }
.avatar { width: 36px; height: 36px; border-radius: 50%; }

.content-area { padding: 25px; }

/* SECTIONS */
.section-content { display: none; }
.section-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* STATS */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 25px; }
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 5px 20px rgba(0,0,0,0.12); }
.stat-icon {
  width: 55px;
  height: 55px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
}
.stat-icon.blue { background: linear-gradient(135deg, #3498db, #2980b9); }
.stat-icon.orange { background: linear-gradient(135deg, #e8920d, #f5a623); }
.stat-icon.green { background: linear-gradient(135deg, #27ae60, #2ecc71); }
.stat-icon.red { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.stat-icon.purple { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.stat-info h4 { font-size: 1.5rem; color: var(--primary); }
.stat-info p { font-size: 0.8rem; color: var(--gray-600); }

/* CARDS */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-header h3 { font-size: 1rem; color: var(--primary); }
.card-body { padding: 20px; }

.charts-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }

/* TABLES */
.table-container { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.data-table th {
  background: var(--primary);
  color: var(--white);
  padding: 12px 15px;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}
.data-table td {
  padding: 10px 15px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.88rem;
  vertical-align: middle;
}
.data-table tr:hover { background: var(--gray-100); }
.data-table img { width: 45px; height: 45px; object-fit: cover; border-radius: 6px; }

/* BADGES */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-primary { background: #cce5ff; color: #004085; }
.badge-secondary { background: #e2e3e5; color: #383d41; }

/* TOOLBAR */
.section-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}
.search-box {
  position: relative;
  min-width: 250px;
}
.search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--gray-500); }
.search-box input {
  width: 100%;
  padding: 10px 15px 10px 38px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.search-box input:focus { border-color: var(--secondary); outline: none; box-shadow: 0 0 0 3px rgba(232,146,13,0.1); }
.toolbar-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar-actions select {
  padding: 10px 15px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: var(--white);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.88rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--secondary); color: var(--white); }
.btn-primary:hover { background: #c77a00; }
.btn-success { background: var(--success); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-icon {
  width: 32px; height: 32px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px; border: none; cursor: pointer; transition: var(--transition);
  font-size: 0.85rem;
}
.btn-icon.edit { background: #d1ecf1; color: #0c5460; }
.btn-icon.delete { background: #f8d7da; color: #721c24; }
.btn-icon.view { background: #d4edda; color: #155724; }
.btn-icon:hover { transform: scale(1.1); }

/* FORMS */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--secondary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(232,146,13,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* MODAL */
.admin-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 50px 20px;
  overflow-y: auto;
}
.admin-modal-overlay.active { display: flex; }
.admin-modal {
  background: var(--white);
  border-radius: 12px;
  width: 100%;
  max-width: 700px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--primary);
  color: var(--white);
  border-radius: 12px 12px 0 0;
}
.admin-modal-header h3 { font-size: 1.1rem; }
.admin-modal-header button { background: none; border: none; color: var(--white); font-size: 1.2rem; cursor: pointer; }
.admin-modal-body { padding: 25px; max-height: 70vh; overflow-y: auto; }

/* ALERT */
.alert { padding: 12px 18px; border-radius: var(--radius); margin-bottom: 15px; display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.alert-info { background: #d1ecf1; color: #0c5460; }
.alert-success { background: #d4edda; color: #155724; }
.alert-danger { background: #f8d7da; color: #721c24; }

/* PAGINATION */
.admin-pagination { display: flex; justify-content: center; gap: 5px; margin-top: 20px; }
.admin-pagination button {
  padding: 8px 14px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
}
.admin-pagination button.active, .admin-pagination button:hover { background: var(--secondary); color: var(--white); border-color: var(--secondary); }

/* CARDS GRID */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }
.cards-grid .card { padding: 20px; }
.cards-grid .card h4 { margin-bottom: 5px; color: var(--primary); }
.cards-grid .card p { font-size: 0.85rem; color: var(--gray-600); margin-bottom: 10px; }

/* STATUS SELECT */
select.status-select {
  padding: 4px 8px;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* CONFIG FORM */
.config-form { max-width: 700px; }

/* TRANSBANK */
.transbank-card .card-header { display: flex; align-items: center; gap: 10px; }
.transbank-card .card-header h3 { flex: 1; display: flex; align-items: center; gap: 8px; }
.transbank-card .card-header h3 i { color: var(--secondary); }
.transbank-section-title {
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin: 20px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 8px;
}
.transbank-section-title:first-of-type { margin-top: 5px; }
.transbank-section-title i { color: var(--secondary); }
.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 4px;
}
.transbank-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.transbank-status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.transbank-status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  background: var(--gray-100);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
}
.transbank-status-item i { font-size: 0.7rem; }
.transbank-help-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.transbank-help-item {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 18px;
}
.transbank-help-item h4 {
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.transbank-help-item h4 i { color: var(--secondary); }
.transbank-help-item p { font-size: 0.82rem; color: var(--gray-600); line-height: 1.5; }
@media (max-width: 768px) {
  .transbank-status-grid { grid-template-columns: 1fr; }
  .transbank-help-grid { grid-template-columns: 1fr; }
  .transbank-actions { flex-direction: column; }
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .stats-grid { grid-template-columns: 1fr; }
  .section-toolbar { flex-direction: column; align-items: stretch; }
}