/* ==============================================================================
   ADMIN DASHBOARD STYLESHEET - THIỆP CƯỚI ONLINE
   Theme: Romantic Elegant · Tối ưu quản trị · Dễ đọc & Responsive
   ============================================================================== */

:root {
  --admin-bg: #f9f6f0;
  --admin-card: #ffffff;
  --admin-ink: #2b3d35;
  --admin-ink-muted: #6f7d75;
  --admin-ink-faint: #9ea8a2;
  --admin-line: #e6dfd5;
  --admin-line-light: #f2ece3;
  --admin-sage: #496b5e;
  --admin-sage-dark: #375348;
  --admin-sage-soft: #eaf2ed;
  --admin-rose: #d98e91;
  --admin-rose-dark: #b86b6e;
  --admin-rose-soft: #fcf1f2;
  --admin-amber: #b47818;
  --admin-amber-soft: #fef7ec;
  --admin-red: #c24848;
  --admin-red-soft: #fdf0f0;
  --admin-shadow-sm: 0 2px 6px rgba(43, 61, 53, 0.04);
  --admin-shadow: 0 8px 24px rgba(43, 61, 53, 0.06);
  --admin-shadow-lg: 0 16px 40px rgba(43, 61, 53, 0.1);
  --admin-radius-sm: 8px;
  --admin-radius: 14px;
  --admin-radius-lg: 20px;
  --admin-font-title: 'Cormorant Garamond', Georgia, serif;
  --admin-font-body: 'Lora', Georgia, serif;
  --admin-font-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Standalone fallback scale for Admin; public-page typography lives in design-system.css. */
  --type-display: clamp(1.15rem, 1rem + 1.6vw, 3.15rem);
  --type-heading: clamp(1.9rem, 1.55rem + 1.15vw, 2.65rem);
  --type-subheading: clamp(1.125rem, 1.05rem + .3vw, 1.35rem);
  --type-body: clamp(.9375rem, .91rem + .15vw, 1rem);
  --type-small: clamp(.8125rem, .78rem + .12vw, .9rem);
  --type-label: clamp(.7rem, .67rem + .12vw, .78rem);
  --type-date: clamp(1.05rem, .98rem + .72vw, 1.65rem);
}

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

body.admin-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--admin-bg);
  color: var(--admin-ink);
  font-family: var(--admin-font-body);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   1. HEADER QUẢN TRỊ
   -------------------------------------------------------------------------- */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--admin-line);
  box-shadow: var(--admin-shadow-sm);
}

.admin-header-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--admin-ink);
}

.admin-brand-logo {
  font-family: 'Allura', cursive;
  font-size: 26px;
  line-height: 1;
  color: var(--admin-sage);
  display: flex;
  align-items: center;
  gap: 4px;
}

.admin-brand-logo span.heart {
  color: var(--admin-rose);
  font-size: 16px;
}

.admin-brand-divider {
  width: 1px;
  height: 22px;
  background: var(--admin-line);
}

.admin-brand-text h1 {
  margin: 0;
  font-family: var(--admin-font-title);
  font-size: 20px;
  font-weight: 600;
  color: var(--admin-ink);
  letter-spacing: 0.2px;
}

.admin-brand-text p {
  margin: 0;
  font-size: 11px;
  color: var(--admin-ink-muted);
  font-family: var(--admin-font-ui);
}

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

.btn-view-site {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--admin-radius-sm);
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  color: var(--admin-sage);
  text-decoration: none;
  font-family: var(--admin-font-ui);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-view-site:hover {
  background: var(--admin-sage-soft);
  border-color: var(--admin-sage);
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  background: var(--admin-bg);
  border-radius: 999px;
  border: 1px solid var(--admin-line);
  font-family: var(--admin-font-ui);
}

.admin-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--admin-sage);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

.admin-user-email {
  font-size: 12px;
  font-weight: 500;
  color: var(--admin-ink);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--admin-radius-sm);
  background: transparent;
  border: 1px solid var(--admin-line);
  color: var(--admin-red);
  font-family: var(--admin-font-ui);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: var(--admin-red-soft);
  border-color: var(--admin-red);
}

/* --------------------------------------------------------------------------
   2. KHU VỰC ĐĂNG NHẬP (LOGIN VIEW)
   -------------------------------------------------------------------------- */
.login-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 75px);
  padding: 40px 20px;
  background: radial-gradient(circle at 50% 20%, rgba(217, 142, 145, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(73, 107, 94, 0.06) 0%, transparent 50%),
              var(--admin-bg);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-lg);
  padding: 42px 36px;
  box-shadow: var(--admin-shadow-lg);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--admin-sage), var(--admin-rose));
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.login-header h2 {
  margin: 0 0 8px;
  font-family: var(--admin-font-title);
  font-size: 28px;
  font-weight: 600;
  color: var(--admin-ink);
}

.login-header p {
  margin: 0;
  font-size: 13px;
  color: var(--admin-ink-muted);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-ink);
  font-family: var(--admin-font-ui);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-sm);
  background: #fff;
  color: var(--admin-ink);
  font-family: var(--admin-font-ui);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.input-wrapper input:focus {
  border-color: var(--admin-sage);
  box-shadow: 0 0 0 3px rgba(73, 107, 94, 0.12);
}

.toggle-password-btn {
  position: absolute;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--admin-ink-faint);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-password-btn:hover {
  color: var(--admin-ink);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--admin-sage);
  color: #fff;
  border: none;
  border-radius: var(--admin-radius-sm);
  font-family: var(--admin-font-ui);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(73, 107, 94, 0.2);
}

.btn-primary:hover {
  background: var(--admin-sage-dark);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.login-alert {
  padding: 10px 14px;
  border-radius: var(--admin-radius-sm);
  font-size: 12px;
  font-family: var(--admin-font-ui);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  display: none;
}

.login-alert.show {
  display: flex;
}

.login-alert.error {
  background: var(--admin-red-soft);
  color: var(--admin-red);
  border: 1px solid rgba(194, 72, 72, 0.2);
}

.login-footer-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--admin-line);
  font-size: 11px;
  color: var(--admin-ink-muted);
  text-align: center;
  font-family: var(--admin-font-ui);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   3. VÙNG NỘI DUNG CHÍNH (DASHBOARD & DATA PANELS)
   -------------------------------------------------------------------------- */
.admin-main {
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

/* Thẻ chỉ số (Metric Cards) */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.metric-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  padding: 20px 22px;
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--admin-shadow);
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--admin-ink-muted);
  font-family: var(--admin-font-ui);
}

.metric-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.metric-card.total .metric-icon-wrap {
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
}

.metric-card.yes .metric-icon-wrap {
  background: #e6f6ec;
  color: #2b7a4b;
}

.metric-card.no .metric-icon-wrap {
  background: #f4efea;
  color: #8c7e72;
}

.metric-card.guests .metric-icon-wrap {
  background: var(--admin-rose-soft);
  color: var(--admin-rose-dark);
}

.metric-card.pending .metric-icon-wrap {
  background: var(--admin-amber-soft);
  color: var(--admin-amber);
}

.metric-value {
  font-family: var(--admin-font-title);
  font-size: 38px;
  font-weight: 600;
  line-height: 1;
  color: var(--admin-ink);
}

.metric-desc {
  font-size: 11px;
  color: var(--admin-ink-muted);
  font-family: var(--admin-font-ui);
}

/* Thanh điều hướng Tab */
.tabs-navigation {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--admin-line);
  margin-bottom: 22px;
  padding-bottom: 2px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--admin-ink-muted);
  font-family: var(--admin-font-ui);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: -3px;
}

.tab-btn:hover {
  color: var(--admin-ink);
}

.tab-btn.active {
  color: var(--admin-sage);
  border-bottom-color: var(--admin-sage);
}

.tab-badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: var(--admin-line);
  color: var(--admin-ink-muted);
}

.tab-btn.active .tab-badge {
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
}

.tab-badge.badge-amber {
  background: var(--admin-amber-soft);
  color: var(--admin-amber);
  border: 1px solid rgba(180, 120, 24, 0.2);
}

/* Toolbar hành động & bộ lọc */
.panel-toolbar {
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  padding: 14px 18px;
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--admin-shadow-sm);
}

.toolbar-left, .toolbar-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.search-input-wrap {
  position: relative;
  min-width: 260px;
}

.search-input-wrap input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-sm);
  background: var(--admin-bg);
  font-family: var(--admin-font-ui);
  font-size: 13px;
  outline: none;
  transition: all 0.2s ease;
}

.search-input-wrap input:focus {
  background: #fff;
  border-color: var(--admin-sage);
  box-shadow: 0 0 0 2px rgba(73, 107, 94, 0.1);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--admin-ink-faint);
  font-size: 14px;
  pointer-events: none;
}

.select-filter {
  padding: 8px 12px;
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-sm);
  background: var(--admin-bg);
  color: var(--admin-ink);
  font-family: var(--admin-font-ui);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.select-filter:focus {
  border-color: var(--admin-sage);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #fff;
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-sm);
  color: var(--admin-ink);
  font-family: var(--admin-font-ui);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--admin-bg);
  border-color: var(--admin-ink-muted);
}

.btn-export {
  background: var(--admin-sage-soft);
  border-color: rgba(73, 107, 94, 0.3);
  color: var(--admin-sage);
  font-weight: 600;
}

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

/* --------------------------------------------------------------------------
   4. BẢNG DỮ LIỆU RSVP
   -------------------------------------------------------------------------- */
.table-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  overflow: hidden;
  box-shadow: var(--admin-shadow-sm);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--admin-font-ui);
  font-size: 13px;
}

.admin-table th {
  background: #fcfaf6;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--admin-ink-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2px;
  border-bottom: 1px solid var(--admin-line);
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-line-light);
  color: var(--admin-ink);
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover {
  background: rgba(249, 246, 240, 0.7);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-yes {
  background: #e6f6ec;
  color: #246a40;
  border: 1px solid rgba(36, 106, 64, 0.15);
}

.badge-no {
  background: #f4efea;
  color: #796d62;
  border: 1px solid rgba(121, 109, 98, 0.15);
}

.badge-pending {
  background: var(--admin-amber-soft);
  color: var(--admin-amber);
  border: 1px solid rgba(180, 120, 24, 0.2);
}

.badge-approved {
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
  border: 1px solid rgba(73, 107, 94, 0.2);
}

.table-summary {
  padding: 12px 18px;
  background: #fcfaf6;
  border-top: 1px solid var(--admin-line-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--admin-ink-muted);
  font-family: var(--admin-font-ui);
}

/* --------------------------------------------------------------------------
   5. DANH SÁCH SỔ LƯU BÚT (WISHES GRID)
   -------------------------------------------------------------------------- */
.wishes-management-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.wish-admin-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  padding: 18px 20px;
  box-shadow: var(--admin-shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: all 0.2s ease;
}

.wish-admin-card:hover {
  box-shadow: var(--admin-shadow);
  border-color: #dfd5c8;
}

.wish-admin-card.is-pending {
  border-left: 4px solid var(--admin-amber);
  background: #fffdf9;
}

.wish-admin-card.is-approved {
  border-left: 4px solid var(--admin-sage);
}

.wish-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.wish-sender-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wish-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.wish-sender-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--admin-ink);
  margin: 0 0 2px;
  font-family: var(--admin-font-ui);
}

.wish-time {
  font-size: 11px;
  color: var(--admin-ink-muted);
  margin: 0;
  font-family: var(--admin-font-ui);
}

.wish-message-body {
  font-size: 13px;
  line-height: 1.6;
  color: #3b4e45;
  background: rgba(249, 246, 240, 0.6);
  border-radius: var(--admin-radius-sm);
  padding: 12px 14px;
  word-break: break-word;
  white-space: pre-wrap;
  margin: 0;
}

.wish-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--admin-line-light);
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--admin-radius-sm);
  font-family: var(--admin-font-ui);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-approve {
  background: var(--admin-sage-soft);
  color: var(--admin-sage);
  border-color: rgba(73, 107, 94, 0.25);
}

.btn-approve:hover:not(:disabled) {
  background: var(--admin-sage);
  color: #fff;
}

.btn-unapprove {
  background: var(--admin-amber-soft);
  color: var(--admin-amber);
  border-color: rgba(180, 120, 24, 0.25);
}

.btn-unapprove:hover:not(:disabled) {
  background: var(--admin-amber);
  color: #fff;
}

.btn-delete {
  background: var(--admin-red-soft);
  color: var(--admin-red);
  border-color: rgba(194, 72, 72, 0.2);
}

.btn-delete:hover:not(:disabled) {
  background: var(--admin-red);
  color: #fff;
}

/* --------------------------------------------------------------------------
   6. CÁC TRẠNG THÁI HỆ THỐNG (LOADING, EMPTY, ERROR)
   -------------------------------------------------------------------------- */
.state-box {
  padding: 48px 24px;
  text-align: center;
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--admin-font-ui);
}

.state-icon {
  font-size: 36px;
  color: var(--admin-ink-faint);
}

.state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--admin-ink);
  margin: 0;
}

.state-desc {
  font-size: 13px;
  color: var(--admin-ink-muted);
  max-width: 400px;
  margin: 0;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--admin-line);
  border-top-color: var(--admin-sage);
  border-radius: 50%;
  animation: adminSpin 0.8s linear infinite;
}

.spinner-sm {
  width: 14px;
  height: 14px;
  border-width: 2px;
}

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

/* --------------------------------------------------------------------------
   7. MODAL XÁC NHẬN (CONFIRMATION MODAL)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(43, 61, 53, 0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  background: var(--admin-card);
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-lg);
  padding: 28px 24px;
  box-shadow: var(--admin-shadow-lg);
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-icon-danger {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--admin-red-soft);
  color: var(--admin-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.modal-title {
  margin: 0 0 8px;
  font-family: var(--admin-font-title);
  font-size: 24px;
  font-weight: 600;
  color: var(--admin-ink);
}

.modal-message {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--admin-ink-muted);
  line-height: 1.5;
  font-family: var(--admin-font-ui);
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.btn-danger {
  background: var(--admin-red);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--admin-radius-sm);
  font-family: var(--admin-font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-danger:hover {
  background: #a93a3a;
}

/* --------------------------------------------------------------------------
   8. TOAST THÔNG BÁO (TOAST ALERTS)
   -------------------------------------------------------------------------- */
.admin-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.admin-toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  background: #fff;
  border: 1px solid var(--admin-line);
  border-radius: var(--admin-radius-sm);
  padding: 12px 16px;
  box-shadow: var(--admin-shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--admin-font-ui);
  font-size: 13px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.admin-toast.success {
  border-left: 4px solid var(--admin-sage);
}

.admin-toast.error {
  border-left: 4px solid var(--admin-red);
}

.admin-toast.info {
  border-left: 4px solid var(--admin-rose);
}

.admin-toast-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   9. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 850px) {
  .admin-header-container {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  .admin-header-actions {
    width: 100%;
    justify-content: space-between;
    margin-top: 6px;
  }
  .admin-main {
    padding: 18px 14px 40px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .panel-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar-left, .toolbar-right {
    width: 100%;
    justify-content: stretch;
  }
  .search-input-wrap {
    min-width: 100%;
  }
  .toolbar-left select, .toolbar-right button {
    flex: 1;
  }
  .wishes-management-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 550px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .login-card {
    padding: 30px 20px;
  }
}