/**
 * DELIVERY GALLERY - ADMIN STYLESHEET
 * Luxury Dark/Light Studio Management Dashboard
 */

:root {
  --admin-font: 'Plus Jakarta Sans', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, sans-serif;
  --admin-gold: #d4af37;
  --admin-gold-hover: #b8972e;
  --admin-gold-soft: rgba(212, 175, 55, 0.12);

  --admin-bg-body: #f8f9fa;
  --admin-bg-sidebar: #121316;
  --admin-bg-card: #ffffff;
  --admin-text-main: #1f2937;
  --admin-text-muted: #6b7280;
  --admin-border: #e5e7eb;

  --admin-success: #10b981;
  --admin-danger: #ef4444;
  --admin-info: #3b82f6;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
}

[data-theme="dark"] {
  --admin-bg-body: #0b0c0e;
  --admin-bg-sidebar: #121316;
  --admin-bg-card: #18191d;
  --admin-text-main: #f3f4f6;
  --admin-text-muted: #9ca3af;
  --admin-border: #26282f;
}

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

body {
  font-family: var(--admin-font);
  background-color: var(--admin-bg-body);
  color: var(--admin-text-main);
  min-height: 100vh;
}

/* =========================================================================
   1. AUTHENTICATION / PIN LOCK SCREEN
   ========================================================================= */
.admin-auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(circle at 50% 30%, #1f2026 0%, #0c0d10 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-auth-card {
  width: 100%;
  max-width: 420px;
  background: rgba(24, 25, 29, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  color: #fff;
}

.admin-auth-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  border: 2px solid var(--admin-gold);
  margin: 0 auto 16px;
  object-fit: cover;
}

.admin-auth-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 6px;
}

.admin-auth-subtitle {
  font-size: 0.82rem;
  color: #9ca3af;
  margin-bottom: 24px;
}

.admin-pin-dots-wrap {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

.admin-pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(212, 175, 55, 0.5);
  background: transparent;
  transition: all 0.2s ease;
}

.admin-pin-dot.filled {
  background: var(--admin-gold);
  border-color: var(--admin-gold);
  box-shadow: 0 0 12px var(--admin-gold);
}

.admin-pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 280px;
  margin: 0 auto 20px;
}

.admin-keypad-btn {
  height: 60px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.35rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.admin-keypad-btn:hover {
  background: var(--admin-gold);
  color: #000;
  border-color: var(--admin-gold);
  transform: scale(1.05);
}

.admin-btn-quick-unlock {
  background: linear-gradient(135deg, #d4af37 0%, #b8972e 100%);
  color: #0c0d10;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.35);
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}

.admin-btn-quick-unlock:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.55);
  background: linear-gradient(135deg, #f0c94d 0%, #d4af37 100%);
}

/* =========================================================================
   2. DASHBOARD APP LAYOUT
   ========================================================================= */
.admin-app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 280px;
  background: var(--admin-bg-sidebar);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  color: #fff;
}

.admin-sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--admin-gold);
  object-fit: cover;
}

.admin-brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.admin-brand-badge {
  font-size: 0.7rem;
  color: var(--admin-gold);
  text-transform: uppercase;
  font-weight: 600;
}

.admin-sidebar-nav {
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  color: #9ca3af;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  border: none;
  background: none;
}

.admin-nav-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.admin-nav-item.active {
  color: #000;
  background: var(--admin-gold);
}

.admin-nav-badge {
  margin-left: auto;
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
}

.admin-sidebar-footer {
  padding: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-footer-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #9ca3af;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.admin-footer-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.admin-footer-btn.logout-btn:hover {
  color: var(--admin-danger);
}

/* Main Area */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.admin-topbar {
  padding: 16px 32px;
  background: var(--admin-bg-card);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-topbar-title {
  font-size: 1.25rem;
  font-weight: 700;
}

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

.admin-container {
  padding: 32px;
  max-width: 1400px;
}

/* Stats Overview Cards */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.admin-stat-card {
  background: var(--admin-bg-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-sm);
}

.admin-stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.stat-icon-views { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.stat-icon-likes { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.stat-icon-downloads { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.stat-icon-albums { background: var(--admin-gold-soft); color: var(--admin-gold); }

.admin-stat-val {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
}

.admin-stat-lbl {
  font-size: 0.8rem;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

/* Forms & Panels */
.admin-card-panel {
  background: var(--admin-bg-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.admin-panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-panel-desc {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
  margin-bottom: 24px;
}

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

.admin-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.admin-input, .admin-textarea, .admin-select {
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background: var(--admin-bg-body);
  color: var(--admin-text-main);
  font-family: inherit;
  font-size: 0.9rem;
}

.admin-input:focus, .admin-textarea:focus {
  outline: none;
  border-color: var(--admin-gold);
}

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

/* Button styles */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.admin-btn-primary {
  background: var(--admin-gold);
  color: #000;
}

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

.admin-btn-secondary {
  background: var(--admin-bg-body);
  border: 1px solid var(--admin-border);
  color: var(--admin-text-main);
}

.admin-btn-secondary:hover {
  border-color: var(--admin-gold);
  color: var(--admin-gold);
}

.admin-btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--admin-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

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

/* Table styling for Album & Stats */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th {
  padding: 14px 18px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  border-bottom: 1px solid var(--admin-border);
  background: var(--admin-bg-body);
}

.admin-table td {
  padding: 16px 18px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: rgba(212, 175, 55, 0.04);
}

.album-thumb-preview {
  width: 60px;
  height: 45px;
  object-fit: cover;
  border-radius: 6px;
}

/* Google Drive Dual-Folder Box */
.drive-box-highlight {
  background: linear-gradient(135deg, rgba(52, 168, 83, 0.05), rgba(212, 175, 55, 0.08));
  border: 1px dashed var(--admin-gold);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

/* Nút Bật/Tắt Trạng Thái Thanh Toán & Tải Ảnh */
.badge-status-paid {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #10b981;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.badge-status-paid:hover {
  background: #10b981;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.badge-status-unpaid {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(234, 179, 8, 0.14);
  border: 1px solid rgba(234, 179, 8, 0.4);
  color: #d97706;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

[data-theme="dark"] .badge-status-unpaid {
  color: #fbbf24;
}

.badge-status-unpaid:hover {
  background: #d97706;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

/* =========================================================================
   ADMIN MODAL (CÀI ĐẶT TỪNG BỘ ẢNH)
   ========================================================================= */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-modal-card {
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--admin-bg-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: zoomIn 0.2s ease;
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

.admin-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--admin-text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-modal-close {
  background: none;
  border: none;
  color: var(--admin-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-modal-close:hover {
  color: var(--admin-text-main);
}

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