/* ==========================================================================
   Adaab Lahore - White & Modern Admin Control Suite Stylesheet
   Clean Minimalist Light-Theme Dashboard
   ========================================================================== */

:root {
  /* White & Modern Neutral Tokens */
  --admin-bg: #F8FAFC;
  --admin-surface: #FFFFFF;
  --admin-surface-subtle: #F1F5F9;
  
  --admin-border: #E2E8F0;
  --admin-border-focus: #94A3B8;
  --admin-border-light: #F1F5F9;

  --admin-text-primary: #0F172A;
  --admin-text-secondary: #475569;
  --admin-text-muted: #94A3B8;

  --admin-primary: #0F172A;
  --admin-primary-hover: #1E293B;
  --admin-primary-fg: #FFFFFF;

  /* Refined Accent Colors */
  --gold-accent: #B48A3C;
  --gold-light: #FDF8ED;
  --gold-border: #E8D3A5;

  --emerald-success: #059669;
  --emerald-bg: #ECFDF5;
  --emerald-border: #A7F3D0;

  --rose-danger: #E11D48;
  --rose-bg: #FFF1F2;
  --rose-border: #FECDD3;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

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

body.admin-body {
  background-color: var(--admin-bg);
  color: var(--admin-text-primary);
  font-family: var(--font-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   TOP APP BAR
   ========================================================================== */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  height: 64px;
  padding: 0 clamp(16px, 3vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--admin-border);
  object-fit: contain;
  padding: 2px;
  background: #FFF;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--admin-primary);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-accent);
}

.live-sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--emerald-bg);
  border: 1px solid var(--emerald-border);
  border-radius: 50px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--emerald-success);
}

.pulse-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald-success);
  box-shadow: 0 0 6px var(--emerald-success);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ==========================================================================
   BUTTONS & CONTROLS
   ========================================================================== */

.btn-primary-action {
  background: var(--admin-primary);
  color: var(--admin-primary-fg);
  border: 1px solid var(--admin-primary);
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn-primary-action:hover {
  background: var(--admin-primary-hover);
  border-color: var(--admin-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary-link {
  background: var(--admin-surface);
  color: var(--admin-text-primary);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s ease;
}

.btn-secondary-link:hover {
  background: var(--admin-surface-subtle);
  border-color: var(--admin-border-focus);
}

.btn-secondary-action {
  background: var(--admin-surface);
  color: var(--admin-text-primary);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-secondary-action:hover {
  background: var(--admin-surface-subtle);
  border-color: var(--admin-border-focus);
}

.btn-ghost {
  background: transparent;
  color: var(--admin-text-secondary);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-ghost:hover {
  background: var(--admin-surface-subtle);
  color: var(--admin-text-primary);
}

.btn-ghost-danger {
  background: transparent;
  color: var(--rose-danger);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-ghost-danger:hover {
  background: var(--rose-bg);
}

/* ==========================================================================
   ADMIN LAYOUT
   ========================================================================== */

.admin-layout {
  display: flex;
  flex: 1;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--admin-surface);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 14px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-tab {
  background: transparent;
  color: var(--admin-text-secondary);
  border: none;
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 0.86rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  background: var(--admin-surface-subtle);
  color: var(--admin-text-primary);
}

.nav-tab.active {
  background: var(--admin-primary);
  color: var(--admin-primary-fg);
  box-shadow: var(--shadow-sm);
}

.nav-tab.active svg {
  stroke: #FFF;
}

.sidebar-counter-badge {
  margin-left: auto;
  background: var(--admin-surface-subtle);
  color: var(--admin-text-secondary);
  border-radius: 20px;
  padding: 2px 7px;
  font-size: 0.7rem;
  font-weight: 700;
}

.nav-tab.active .sidebar-counter-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #FFF;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--admin-border);
}

.system-version {
  font-size: 0.68rem;
  color: var(--admin-text-muted);
  text-align: center;
}

/* Content Area */
.admin-content {
  flex: 1;
  padding: clamp(20px, 3vw, 36px);
  overflow-y: auto;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.2s ease-out forwards;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  letter-spacing: -0.01em;
}

.panel-desc {
  font-size: 0.86rem;
  color: var(--admin-text-secondary);
  margin-top: 2px;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==========================================================================
   METRICS GRID (OVERVIEW)
   ========================================================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bg-indigo { background: #EEF2FF; }
.bg-amber { background: #FEF3C7; }
.bg-emerald { background: #ECFDF5; }
.bg-blue { background: #EFF6FF; }

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--admin-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-value {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--admin-text-primary);
  line-height: 1.15;
  margin: 2px 0;
}

.metric-sub {
  font-size: 0.72rem;
  color: var(--admin-text-muted);
}

/* Two Column Layout */
.overview-two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

/* White Card Box */
.card-box {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.card-box-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  margin-bottom: 16px;
}

.config-summary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--admin-border-light);
  font-size: 0.84rem;
}

.summary-label {
  color: var(--admin-text-secondary);
}

.summary-value {
  font-weight: 600;
  color: var(--admin-text-primary);
}

.summary-value.highlight-badge {
  background: var(--gold-light);
  color: var(--gold-accent);
  border: 1px solid var(--gold-border);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.76rem;
}

.truncate {
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-vouchers-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-voucher-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--admin-surface-subtle);
  border-radius: 8px;
  border: 1px solid var(--admin-border);
  font-size: 0.82rem;
}

.empty-state {
  font-size: 0.82rem;
  color: var(--admin-text-muted);
  text-align: center;
  padding: 24px 0;
}

/* ==========================================================================
   WHEEL & PRIZES TAB
   ========================================================================== */

.prob-status-banner {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.prob-status-banner.valid {
  border-color: var(--emerald-border);
  background: var(--emerald-bg);
}

.prob-status-banner.invalid {
  border-color: var(--rose-border);
  background: var(--rose-bg);
}

.prob-status-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
}

.prob-status-banner.valid .prob-status-info { color: var(--emerald-success); }
.prob-status-banner.invalid .prob-status-info { color: var(--rose-danger); }

.prob-progress-track {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 6px;
  overflow: hidden;
}

.prob-progress-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--emerald-success);
  transition: width 0.3s ease, background 0.3s ease;
}

.prob-status-banner.invalid .prob-progress-fill {
  background: var(--rose-danger);
}

/* Rewards List */
.rewards-table-wrapper {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.reward-card-row {
  display: grid;
  grid-template-columns: 48px 1fr 100px 140px 100px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--admin-border);
  gap: 16px;
  transition: background 0.15s ease;
}

.reward-card-row:hover {
  background: var(--admin-surface-subtle);
}

.reward-card-row:last-child {
  border-bottom: none;
}

.reward-color-dot {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: var(--shadow-sm);
}

.reward-main-text {
  display: flex;
  flex-direction: column;
}

.reward-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--admin-text-primary);
}

.reward-desc-snippet {
  font-size: 0.76rem;
  color: var(--admin-text-secondary);
}

.prob-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #F1F5F9;
  color: var(--admin-text-primary);
  border-radius: 6px;
  padding: 4px 10px;
  font-weight: 700;
  font-size: 0.8rem;
}

.code-prefix-badge {
  font-family: monospace;
  font-size: 0.78rem;
  font-weight: 600;
  background: #FFF;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 4px 8px;
  color: var(--admin-text-secondary);
}

.row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.btn-icon-action {
  background: transparent;
  border: none;
  color: var(--admin-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-icon-action:hover {
  background: var(--admin-surface-subtle);
  color: var(--admin-text-primary);
}

.btn-icon-action.delete:hover {
  background: var(--rose-bg);
  color: var(--rose-danger);
}

/* ==========================================================================
   FORMS & INPUTS (VALIDITY & CAMPAIGN TABS)
   ========================================================================= */

.form-card {
  max-width: 720px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-main);
  font-size: 0.86rem;
  color: var(--admin-text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.form-hint {
  font-size: 0.74rem;
  color: var(--admin-text-muted);
}

.form-divider {
  height: 1px;
  background: var(--admin-border-light);
  margin: 24px 0 20px 0;
}

.section-subheading {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  margin-bottom: 14px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.input-with-button {
  display: flex;
  gap: 8px;
}

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

.input-suffix {
  position: absolute;
  right: 14px;
  font-size: 0.78rem;
  color: var(--admin-text-muted);
  pointer-events: none;
}

/* Preset Duration Buttons */
.duration-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.preset-pill {
  background: var(--admin-surface);
  border: 1.5px solid var(--admin-border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  text-align: left;
  transition: all 0.15s ease;
}

.preset-pill:hover {
  background: var(--admin-surface-subtle);
  border-color: var(--admin-border-focus);
}

.preset-pill.active {
  border-color: var(--admin-primary);
  background: #F8FAFC;
  box-shadow: var(--shadow-sm);
}

.preset-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--admin-text-primary);
}

.preset-desc {
  font-size: 0.72rem;
  color: var(--admin-text-muted);
  margin-top: 2px;
}

/* Live Preview Callout */
.preview-callout {
  background: var(--gold-light);
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}

.callout-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--gold-accent);
  margin-bottom: 6px;
}

.callout-body {
  font-size: 0.8rem;
  color: var(--admin-text-secondary);
  margin-bottom: 10px;
}

.preview-badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-pill {
  background: #FFF;
  border: 1px solid var(--gold-border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.76rem;
  color: var(--admin-text-secondary);
}

.preview-pill.highlight {
  border-color: #F87171;
  color: #B91C1C;
}

/* Color Pickers */
.color-picker-input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 2px;
  cursor: pointer;
  background: #FFF;
}

/* ==========================================================================
   COUNTER VERIFICATION LOG (TAB 5)
   ========================================================================== */

.search-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 260px;
  max-width: 440px;
}

.search-box svg {
  position: absolute;
  left: 12px;
  color: var(--admin-text-muted);
}

.search-input {
  width: 100%;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 9px 12px 9px 36px;
  font-size: 0.84rem;
  font-family: var(--font-main);
}

.search-input:focus {
  outline: none;
  border-color: var(--admin-primary);
}

.filter-pills {
  display: flex;
  gap: 6px;
}

.filter-btn {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  color: var(--admin-text-secondary);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--admin-primary);
  color: #FFF;
  border-color: var(--admin-primary);
}

/* Modern Data Table */
.voucher-table-wrapper {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.84rem;
}

.modern-table th {
  background: #F8FAFC;
  color: var(--admin-text-secondary);
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 18px;
  border-bottom: 1px solid var(--admin-border);
}

.modern-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--admin-border-light);
  color: var(--admin-text-primary);
}

.modern-table tr:hover td {
  background: #F8FAFC;
}

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

.voucher-code-cell {
  font-family: monospace;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--admin-primary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.status-badge.active {
  background: var(--emerald-bg);
  color: var(--emerald-success);
  border: 1px solid var(--emerald-border);
}

.status-badge.redeemed {
  background: #F1F5F9;
  color: var(--admin-text-muted);
  border: 1px solid var(--admin-border);
}

.status-badge.expired {
  background: var(--rose-bg);
  color: var(--rose-danger);
  border: 1px solid var(--rose-border);
}

.btn-verify-redeem {
  background: var(--emerald-bg);
  color: var(--emerald-success);
  border: 1px solid var(--emerald-border);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-verify-redeem:hover {
  background: var(--emerald-success);
  color: #FFF;
}

/* ==========================================================================
   MODAL SCRIM & DIALOG
   ========================================================================== */

.modal-scrim {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.clean-dialog-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  animation: dialogPop 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes dialogPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--admin-border);
}

.dialog-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.dialog-close-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--admin-text-muted);
  line-height: 1;
}

.dialog-close-btn:hover {
  color: var(--admin-text-primary);
}

.dialog-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--admin-border);
  background: #F8FAFC;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.admin-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  background: var(--admin-primary);
  color: #FFF;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastSlide 0.2s ease-out forwards;
}

@keyframes toastSlide {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast-indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--emerald-success);
  color: #FFF;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   RESPONSIVENESS
   ========================================================================== */

@media (max-width: 860px) {
  .top-nav {
    height: auto;
    padding: 10px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    position: static;
  }

  .nav-left {
    justify-content: space-between;
    width: 100%;
  }

  .nav-right {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .btn-secondary-link, .btn-primary-action {
    flex: 1;
    justify-content: center;
    padding: 10px 12px;
    font-size: 0.78rem;
    min-height: 42px;
  }

  .admin-layout {
    flex-direction: column;
  }
  
  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
    padding: 8px 12px;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-bottom: 4px;
  }

  .nav-tab {
    white-space: nowrap;
    padding: 8px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
    flex-shrink: 0;
    min-height: 40px;
  }

  .admin-main {
    padding: 14px 12px;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .panel-actions {
    width: 100%;
    justify-content: space-between;
  }

  .metrics-summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .metric-card {
    padding: 14px;
  }

  .metric-value {
    font-size: 1.5rem;
  }

  .voucher-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 8px;
    border: 1px solid var(--admin-border);
  }

  .search-filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .search-input {
    width: 100%;
    min-height: 44px;
  }

  .filter-pill-group {
    overflow-x: auto;
    padding-bottom: 4px;
    justify-content: flex-start;
  }
  
  .reward-card-row {
    grid-template-columns: 36px 1fr auto;
  }

  .code-prefix-badge {
    display: none;
  }
}

@media (max-width: 480px) {
  .metrics-summary-grid {
    grid-template-columns: 1fr;
  }

  .brand-title {
    font-size: 1rem;
  }

  .live-sync-indicator {
    font-size: 0.65rem;
    padding: 3px 8px;
  }

  .btn-verify-redeem {
    width: 100%;
    padding: 10px 14px;
    min-height: 42px;
    margin-top: 4px;
  }

  .reward-card-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px;
  }
}