/* ===========================================
   Secretaria Virtual — Panel Admin
   Dark Mode Theme
   =========================================== */

:root {
  --bg-primary: #0f1117;
  --bg-card: #1a1d27;
  --bg-sidebar: #141620;
  --border: #2a2d37;
  --border-light: #363944;
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --success-bg: rgba(34,197,94,0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245,158,11,0.12);
  --sidebar-width: 240px;
  --radius: 8px;
  --font: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-header span {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

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

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: rgba(59,130,246,0.08);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  color: var(--accent);
  background: rgba(59,130,246,0.1);
  border-left-color: var(--accent);
}

.sidebar-nav a .icon {
  width: 18px;
  text-align: center;
  font-size: 16px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
}

.sidebar-footer button:hover { color: var(--danger); }

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px;
  max-width: 1200px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

/* ---- Mobile toggle ---- */
.menu-toggle {
  display: none;
  position: fixed;
  top: 16px; left: 16px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 40px; height: 40px;
  border-radius: var(--radius);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}

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

/* ---- Tables ---- */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }
tbody tr:hover { background: rgba(59,130,246,0.05); }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info    { background: rgba(59,130,246,0.12); color: var(--accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--text-muted); color: var(--text-primary); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-sm {
  padding: 4px 10px;
  font-size: 13px;
}

.btn-group { display: flex; gap: 8px; }

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group .hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 100px; }

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

/* ---- Toggle Switch ---- */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

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

.toggle .slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle .slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: var(--text-primary);
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(20px); }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tabs button {
  background: none;
  border: none;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-family: var(--font);
  transition: all 0.15s;
}

.tabs button:hover { color: var(--text-primary); }
.tabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---- Toast Notifications ---- */
.toast-container {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  min-width: 280px;
}

.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger);  color: #fff; }
.toast-info    { background: var(--accent);  color: #fff; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateY(-10px); }
}

/* ---- Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 500;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 640px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h2 { font-size: 18px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
}

/* ---- Search / Filter bar ---- */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
  width: auto;
  min-width: 180px;
}

/* ---- Chart containers ---- */
.chart-container {
  position: relative;
  height: 300px;
  margin-bottom: 24px;
}

/* ---- Plan columns ---- */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-top: 20px;
}

.pagination button {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
}

.pagination button:hover { border-color: var(--accent); color: var(--accent); }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.4; cursor: default; }

/* ---- Copiable field ---- */
.copy-field {
  display: flex;
  gap: 8px;
}

.copy-field input { flex: 1; }

.copy-field .btn { white-space: nowrap; flex-shrink: 0; }

/* ---- API Key toggle field ---- */
.input-toggle-group {
  display: flex;
  gap: 8px;
}

.input-toggle-group input { flex: 1; }

.input-toggle-group .btn { white-space: nowrap; flex-shrink: 0; }

#tab-apikeys .card { margin-bottom: 16px; }

#tab-apikeys .section-title { margin-bottom: 16px; font-size: 1.1rem; }

/* ---- Checklist ---- */
.checklist label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-primary);
  cursor: default;
}

.checklist input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--accent);
}

/* ---- Inline form row ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---- Login page ---- */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-box h1 {
  font-size: 20px;
  margin-bottom: 4px;
  color: var(--accent);
}

.login-box p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.login-box .form-group { text-align: left; }

.login-box .btn { width: 100%; justify-content: center; margin-top: 8px; }

.login-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 12px;
  display: none;
}

/* ---- Section titles inside cards ---- */
.section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open { transform: translateX(0); }

  .sidebar-overlay.open { display: block; }

  .main-content {
    margin-left: 0;
    padding: 24px 16px;
    padding-top: 64px;
  }

  .stat-grid { grid-template-columns: 1fr 1fr; }

  .filter-bar { flex-direction: column; }
  .filter-bar input, .filter-bar select { width: 100%; min-width: 0; }

  .form-row { grid-template-columns: 1fr; }

  .plan-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}