/* ============================================================
   admin.css — Admin panel, modal, toast & empty-state styles
   Shri Nath Enterprises (kept from the original design)
   ============================================================ */

:root {
  /* Colors — Primary */
  --primary-dark: #0a0f1e;
  --primary: #111827;
  --primary-light: #1f2937;
  --primary-lighter: #374151;

  /* Colors — Accent */
  --accent: #e3141b;
  --accent-hover: #c10f15;
  --accent-light: #ff4d52;
  --accent-glow: rgba(227, 20, 27, 0.3);

  /* Colors — Gold */
  --gold: #ffc947;
  --gold-hover: #f0b830;

  /* Colors — WhatsApp */
  --whatsapp: #25d366;
  --whatsapp-hover: #1ebe5b;
  --whatsapp-dark: #128c42;

  /* Colors — Status */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;

  /* Colors — Surface */
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --surface-3: #f3f4f6;
  --surface-hover: #f0f0f0;
  --border: #e5e7eb;
  --border-light: #f0f0f0;

  /* Colors — Text */
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-on-dark: #f9fafb;
  --text-on-accent: #ffffff;

  /* Typography */
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;

  /* Font Sizes */
  --text-xs: 0.7rem;
  --text-sm: 0.8rem;
  --text-base: 0.9rem;
  --text-md: 1rem;
  --text-lg: 1.15rem;
  --text-xl: 1.35rem;
  --text-2xl: 1.6rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-base: 16px;
  --space-lg: 20px;
  --space-xl: 28px;
  --space-2xl: 40px;
  --space-3xl: 56px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 25px rgba(0,0,0,0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-Index */
  --z-header: 100;
  --z-bottom-nav: 100;
  --z-modal: 200;
  --z-toast: 300;
  --z-fab: 90;

  /* Sizes */
  --header-height: 64px;
  --bottom-nav-height: 60px;
  --max-width: 1200px;
}

body.admin-body {
  background-color: #0f172a;
  color: var(--text-on-dark);
}

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-base);
  text-align: center;
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: var(--space-base);
  opacity: 0.6;
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 280px;
  margin-bottom: var(--space-lg);
}

.empty-state-btn {
  padding: var(--space-md) var(--space-xl);
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* ── Toast Notifications ──────────────────────────────────── */
.toast-notification {
  position: fixed;
  top: calc(var(--header-height) + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  z-index: var(--z-toast);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xl);
  max-width: 90%;
  white-space: nowrap;
}

.toast-show {
  transform: translateX(-50%) translateY(0);
}

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

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

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

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

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

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 360px;
  width: 100%;
  text-align: center;
  transform: scale(0.9);
  transition: var(--transition-base);
}

.modal-open .modal-box {
  transform: scale(1);
}

.modal-icon {
  font-size: 48px;
  margin-bottom: var(--space-base);
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.modal-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: var(--space-md);
}

.modal-btn {
  flex: 1;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.modal-btn-cancel {
  background: var(--surface-3);
  color: var(--text-secondary);
}

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

.modal-btn-danger:active {
  background: #dc2626;
}

/* ═══════════════════════════════════════════════════════════
   ADMIN PANEL STYLES
   ═══════════════════════════════════════════════════════════ */

/* ── Admin Login ──────────────────────────────────────────── */
.admin-login-page {
  min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-base);
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.admin-login-card {
  width: 100%;
  max-width: 380px;
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.admin-login-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.admin-login-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto var(--space-base);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.admin-login-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-xs);
}

.admin-login-subtitle {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

.admin-form-group {
  margin-bottom: var(--space-base);
}

.admin-form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-sm);
}

.admin-form-input {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--text-base);
  transition: var(--transition-base);
}

.admin-form-input::placeholder {
  color: rgba(255,255,255,0.3);
}

.admin-form-input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.admin-form-input-light {
  width: 100%;
  padding: var(--space-md) var(--space-base);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: var(--transition-base);
}

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

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

textarea.admin-form-input,
textarea.admin-form-input-light {
  min-height: 100px;
  resize: vertical;
}

select.admin-form-input,
select.admin-form-input-light {
  appearance: auto;
}

.admin-login-btn {
  width: 100%;
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  font-weight: 700;
  font-size: var(--text-md);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  box-shadow: 0 4px 12px var(--accent-glow);
  margin-top: var(--space-sm);
}

.admin-login-btn:active {
  transform: scale(0.98);
}

.admin-login-error {
  color: var(--error);
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-md);
  display: none;
}

.admin-login-error.visible {
  display: block;
}

.admin-login-note {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  margin-top: var(--space-lg);
}

/* ── Admin Dashboard ──────────────────────────────────────── */
.admin-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: var(--space-lg) var(--space-base);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.admin-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-base);
}

.admin-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
}

.admin-logout-btn {
  padding: var(--space-sm) var(--space-md);
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.admin-logout-btn:active {
  background: rgba(239, 68, 68, 0.3);
}

/* Admin Tabs */
.admin-tabs {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
}

.admin-tabs::-webkit-scrollbar {
  display: none;
}

.admin-tab {
  flex-shrink: 0;
  padding: var(--space-sm) var(--space-base);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  background: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.admin-tab.active {
  background: var(--accent);
  color: white;
}

.admin-tab:active {
  transform: scale(0.96);
}

/* Stats Cards */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: var(--space-base);
}

.admin-stat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--space-base);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.admin-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--accent);
}

.admin-stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

/* Admin Product List */
.admin-product-list {
  padding: var(--space-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.admin-product-item {
  display: flex;
  gap: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  align-items: center;
}

.admin-product-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--surface-3);
  flex-shrink: 0;
}

.admin-product-info {
  flex: 1;
  min-width: 0;
}

.admin-product-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-product-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.admin-product-price-tag {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-top: var(--space-xs);
}

.admin-product-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.admin-btn-sm {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: var(--transition-fast);
}

.admin-btn-edit {
  background: #dbeafe;
  color: #2563eb;
}

.admin-btn-edit:active {
  background: #bfdbfe;
}

.admin-btn-delete {
  background: #fee2e2;
  color: #dc2626;
}

.admin-btn-delete:active {
  background: #fecaca;
}

/* Admin Add/Edit Product Form */
.admin-form-page {
  padding: var(--space-base);
}

.admin-form-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.admin-form-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.admin-form-group-light {
  margin-bottom: var(--space-base);
}

.admin-form-label-light {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

/* Image Upload */
.image-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}

.image-upload-area:hover,
.image-upload-area.dragover {
  border-color: var(--accent);
  background: #fff5f0;
}

.image-upload-icon {
  font-size: 40px;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.image-upload-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.image-upload-text strong {
  color: var(--accent);
}

.image-upload-preview {
  position: relative;
}

.image-upload-preview img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.image-upload-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--error);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.admin-form-submit {
  width: 100%;
  padding: var(--space-md);
  background: var(--accent);
  color: white;
  font-weight: 700;
  font-size: var(--text-md);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  margin-top: var(--space-sm);
}

.admin-form-submit:active {
  background: var(--accent-hover);
  transform: scale(0.98);
}

/* Admin Add Btn Floating */
.admin-fab-add {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 16px);
  right: 16px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  z-index: var(--z-fab);
  box-shadow: 0 4px 15px var(--accent-glow);
  transition: var(--transition-base);
}

.admin-fab-add:active {
  transform: scale(0.92);
}


@media (min-width: 768px) {
  /* Admin Stats */
  .admin-stats {
    max-width: 600px;
    margin: 0 auto;
  }

  .admin-product-list {
    max-width: 800px;
    margin: 0 auto;
  }

  .admin-form-page {
    max-width: 600px;
    margin: 0 auto;
  }

  .admin-login-page {
    min-height: calc(100vh - var(--header-height));
  }

  .admin-fab-add {
    bottom: 32px;
  }
}