/* ============================================
   FX Automation — Admin Dashboard
   Design System: Clean Minimal Dark
   ============================================ */

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --bg-card: #18181b;
  --border: #27272a;
  --border-subtle: #1f1f23;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  --info: #3b82f6;
  --sidebar-width: 240px;
  --radius: 4px;
  --radius-pill: 9999px;
  --space: 16px;
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 150ms ease;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Loading Screen
   ============================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  z-index: 9999;
  gap: 16px;
}

.loading-screen.hidden {
  display: none;
}

.loading-screen p {
  font-size: 13px;
  letter-spacing: 0.02em;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Login Screen
   ============================================ */
.login-screen {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space);
}

.login-screen.hidden {
  display: none;
}

.login-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  max-width: 380px;
  width: 100%;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.login-logo i {
  font-size: 20px;
  color: var(--accent);
}

.login-header h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.login-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.login-container .form-group label {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
}

.login-container .form-group input {
  width: 100%;
  padding: 10px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
  outline: none;
}

.login-container .form-group input::placeholder {
  color: var(--text-dim);
}

.login-container .form-group input:focus {
  border-bottom-color: var(--accent);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  line-height: 1;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}

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

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

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

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  opacity: 0.9;
}

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

.btn-danger:hover {
  opacity: 0.9;
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  padding: 8px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 36px;
  height: 36px;
}

.btn-icon:hover {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--text-dim);
}

/* ============================================
   Error Message
   ============================================ */
.error-message {
  margin-top: 16px;
  padding: 10px 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: 13px;
  display: none;
}

.error-message.show {
  display: block;
}

/* ============================================
   Main Dashboard Layout
   ============================================ */
.main-dashboard {
  display: flex;
  min-height: 100vh;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 200;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  height: 57px;
}

.sidebar-header i {
  font-size: 16px;
  color: var(--accent);
}

.sidebar-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.sidebar-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 12px 12px 4px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-tab {
  padding: 7px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  font-family: inherit;
}

.sidebar-tab:hover {
  color: var(--text);
  border-color: var(--accent);
}

.sidebar-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 8px 0;
}

.sidebar-nav.hidden {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: all var(--transition);
  border-left: 2px solid transparent;
  position: relative;
}

.nav-item i {
  width: 16px;
  text-align: center;
  font-size: 13px;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-item.active {
  color: var(--text);
  border-left-color: var(--accent);
  background: transparent;
  font-weight: 500;
}

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

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.user-info i {
  font-size: 18px;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-header {
  background: var(--bg);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  height: 57px;
}

.content-header h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.page-content {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
}

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

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

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space);
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-info h3 {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.stat-icon.primary {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
}

.stat-icon.success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

.stat-icon.warning {
  background: rgba(234, 179, 8, 0.1);
  color: var(--warning);
}

.stat-icon.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.stat-icon.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

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

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

thead {
  background: transparent;
}

th {
  padding: 10px 16px;
  text-align: left;
  font-weight: 500;
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 13px;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

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

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.badge-warning {
  background: rgba(234, 179, 8, 0.15);
  color: var(--warning);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
}

.badge-default {
  background: rgba(161, 161, 170, 0.15);
  color: var(--text-muted);
}

/* ============================================
   Forms (General)
   ============================================ */
.form-group {
  margin-bottom: var(--space);
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

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

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-dim);
}

.form-control:focus {
  border-color: var(--accent);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
  font-family: var(--font-body);
}

input[type="color"].form-control {
  height: 40px;
  padding: 4px;
  cursor: pointer;
}

.form-text {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--text-dim);
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 600;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   Toggle Switch
   ============================================ */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-switch .slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: var(--radius-pill);
  transition: background var(--transition);
}

.toggle-switch .slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  bottom: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle-switch input:checked + .slider {
  background: var(--accent);
}

.toggle-switch input:checked + .slider::before {
  transform: translateX(16px);
  background: #fff;
}

/* ============================================
   Modal
   ============================================ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  animation: fadeIn 0.15s ease;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 1400px;
  width: 95%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.page-builder-content {
  max-width: 1600px;
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.close-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: all var(--transition);
  line-height: 1;
}

.close-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.page-builder-body {
  padding: 0;
  overflow: hidden;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ============================================
   Page Builder
   ============================================ */
.builder-container {
  display: grid;
  grid-template-columns: 380px 1fr;
  height: calc(90vh - 130px);
  gap: 0;
}

.builder-editor {
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 24px;
}

.builder-editor::-webkit-scrollbar {
  width: 6px;
}

.builder-editor::-webkit-scrollbar-track {
  background: transparent;
}

.builder-editor::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.builder-editor::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

.editor-section {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.editor-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.editor-section h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.editor-section h3 i {
  color: var(--text-dim);
  font-size: 12px;
}

.builder-preview {
  background: #111113;
  display: flex;
  flex-direction: column;
}

.preview-header {
  background: var(--bg);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 13px;
  gap: 10px;
  color: var(--text-muted);
}

.preview-header span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-frame {
  flex: 1;
  padding: 16px;
  overflow: auto;
}

/* Benefits list */
.benefit-item {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.benefit-item input {
  flex: 1;
}

.benefit-item .btn-danger {
  padding: 6px 10px;
  font-size: 11px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   Scrollbar (global)
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

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

  .main-content {
    margin-left: 0;
  }

  .content-header {
    padding: 12px 16px;
  }

  .page-content {
    padding: 16px;
  }

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

  .builder-container {
    grid-template-columns: 1fr;
  }

  .builder-preview {
    display: none;
  }

  .modal-content {
    width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  .login-container {
    padding: 32px 24px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 24px;
  }
}