/* =============================================
   APK Popup Manager — Premium Dark Theme
   ============================================= */

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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #1f1f35;
  --bg-input: #16162a;
  --bg-glass: rgba(26, 26, 46, 0.7);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-active: rgba(99, 102, 241, 0.5);
  --text-primary: #f1f1f7;
  --text-secondary: #8888a4;
  --text-muted: #55556a;
  --accent: #6366f1;
  --accent-hover: #7c7ff7;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --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);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Background gradient effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 500px;
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* =============================================
   Login Page
   ============================================= */

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-logo .icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px var(--accent-glow);
}

.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* =============================================
   Forms & Inputs
   ============================================= */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

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

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

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

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

/* =============================================
   Layout — Dashboard
   ============================================= */

.app-layout {
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  color: var(--text-primary);
}

.topbar-logo .icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* =============================================
   Dashboard Header
   ============================================= */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-header h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 2px;
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

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

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

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

.stat-card .stat-value.success { color: var(--success); }
.stat-card .stat-value.danger { color: var(--danger); }
.stat-card .stat-value.accent { color: var(--accent); }

/* =============================================
   App Cards Grid
   ============================================= */

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.app-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.app-card-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.app-card-info .package {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

.app-card-meta {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.meta-badge.version {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
}

.meta-badge.force {
  background: var(--warning-bg);
  color: var(--warning);
}

/* =============================================
   Toggle Switch
   ============================================= */

.toggle {
  position: relative;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

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

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

/* =============================================
   Status Badge
   ============================================= */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.status-badge.active {
  background: var(--success-bg);
  color: var(--success);
}

.status-badge.inactive {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* =============================================
   App Edit Page
   ============================================= */

.edit-page {
  max-width: 800px;
  margin: 0 auto;
}

.edit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}

.edit-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.edit-actions {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: 32px;
}

.edit-actions .left-actions {
  display: flex;
  gap: 12px;
}

/* =============================================
   Popup Preview
   ============================================= */

.preview-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.preview-phone {
  width: 280px;
  background: #1e1e2a;
  border-radius: 24px;
  padding: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.preview-popup {
  background: #2a2a3e;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.preview-popup h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.preview-popup p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.preview-buttons {
  display: flex;
  gap: 8px;
}

.preview-btn {
  flex: 1;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: default;
}

.preview-btn.skip {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.preview-btn.update {
  background: var(--accent);
  color: white;
}

/* =============================================
   Empty State
   ============================================= */

.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

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

/* =============================================
   Toast Notification
   ============================================= */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--success);
  color: white;
}

.toast.error {
  background: var(--danger);
  color: white;
}

/* =============================================
   Search
   ============================================= */

.search-bar {
  position: relative;
  margin-bottom: 24px;
  max-width: 360px;
}

.search-bar input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-bar .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

/* =============================================
   Loading
   ============================================= */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* =============================================
   Confirm Modal
   ============================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 420px;
  width: 90%;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.modal p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* =============================================
   Responsive
   ============================================= */

@media (max-width: 768px) {
  .topbar {
    padding: 0 16px;
  }

  .main-content {
    padding: 20px 16px;
  }

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

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

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .edit-card {
    padding: 20px;
  }

  .edit-actions {
    flex-direction: column;
  }
}

/* =============================================
   Animations
   ============================================= */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.app-card {
  animation: fadeIn 0.3s ease forwards;
}

.app-card:nth-child(2) { animation-delay: 0.05s; }
.app-card:nth-child(3) { animation-delay: 0.1s; }
.app-card:nth-child(4) { animation-delay: 0.15s; }
.app-card:nth-child(5) { animation-delay: 0.2s; }
.app-card:nth-child(6) { animation-delay: 0.25s; }