/* ── CSS Custom Properties ── */
:root {
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --primary-light: rgba(59, 130, 246, 0.1);
  --primary-ultra-light: rgba(59, 130, 246, 0.05);
  --secondary: #60A5FA;
  --accent: #8B5CF6;
  --accent-light: rgba(139, 92, 246, 0.1);
  --success: #10B981;
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: #F59E0B;
  --warning-light: rgba(245, 158, 11, 0.1);
  --error: #EF4444;
  --error-light: rgba(239, 68, 68, 0.1);
  --text: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --bg: #F3F4F6;
  --bg-secondary: #E5E7EB;
  --card: #FFFFFF;
  --card-hover: #FAFBFC;
  --border: #E5E7EB;
  --border-hover: #D1D5DB;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 50px -12px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
  --gradient-start: #2563EB;
  --gradient-mid: #1D4ED8;
  --gradient-end: #1E40AF;
  --radius-sm: 0.375rem;
  --radius: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --header-text: #FFFFFF;
  --modal-overlay: rgba(0, 0, 0, 0.6);
  --ring: 0 0 0 3px rgba(59, 130, 246, 0.3);
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] {
  --primary: #60A5FA;
  --primary-hover: #3B82F6;
  --primary-light: rgba(96, 165, 250, 0.12);
  --primary-ultra-light: rgba(96, 165, 250, 0.05);
  --secondary: #93C5FD;
  --accent: #A78BFA;
  --accent-light: rgba(167, 139, 250, 0.12);
  --success: #34D399;
  --success-light: rgba(52, 211, 153, 0.12);
  --warning: #FBBF24;
  --warning-light: rgba(251, 191, 36, 0.12);
  --error: #F87171;
  --error-light: rgba(248, 113, 113, 0.12);
  --text: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-tertiary: #9CA3AF;
  --bg: #0F172A;
  --bg-secondary: #1E293B;
  --card: #1E293B;
  --card-hover: #263248;
  --border: #334155;
  --border-hover: #475569;
  --gradient-start: #3B82F6;
  --gradient-mid: #1D4ED8;
  --gradient-end: #1E40AF;
  --header-text: #FFFFFF;
  --modal-overlay: rgba(0, 0, 0, 0.75);
  --ring: 0 0 0 3px rgba(96, 165, 250, 0.3);
  --shadow-glow: 0 0 20px rgba(96, 165, 250, 0.1);
  --glass: rgba(30, 41, 59, 0.8);
  --glass-border: rgba(51, 65, 85, 0.5);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.35s ease, color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle background pattern */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

/* ── Accessibility ── */
.visually-hidden {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: #111827; color: #fff;
  padding: 0.75rem 1rem; z-index: 9999; border-radius: var(--radius); font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; box-shadow: 0 0 0 4px rgba(255,255,255,0.4); }

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.hidden { display: none !important; }

/* ── Layout ── */
.app-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Theme Toggle ── */
.theme-switch {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 100;
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}
.theme-switch:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.theme-switch i { font-size: 0.875rem; color: var(--text-secondary); transition: all var(--transition); }
.theme-switch:hover i { color: var(--primary); }

.switch { position: relative; display: inline-block; width: 2.75rem; height: 1.5rem; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border); transition: var(--transition); border-radius: var(--radius-full);
}
.slider::before {
  position: absolute; content: ""; height: 1.125rem; width: 1.125rem;
  left: 0.1875rem; bottom: 0.1875rem; background: white;
  transition: var(--transition); border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
input:checked + .slider { background: var(--primary); }
input:checked + .slider::before { transform: translateX(1.25rem); }

/* ── Header ── */
header {
  text-align: center;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(-45deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end), var(--gradient-start));
  background-size: 300% 300%;
  animation: gradientShift 8s ease infinite;
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.2);
  position: relative;
  overflow: hidden;
  color: var(--header-text);
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

header::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  animation: patternFloat 20s linear infinite;
}
@keyframes patternFloat {
  from { background-position: 0 0; }
  to { background-position: 60px 60px; }
}

header::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  pointer-events: none;
}

.header-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}

.logo-title {
  display: flex; align-items: center; gap: 0.75rem;
}
.logo-title i {
  font-size: 2.25rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  animation: iconFloat 3s ease-in-out infinite;
}
@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.logo-title h1 {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.025em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.15);
  background: linear-gradient(to right, #fff, rgba(255,255,255,0.85));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-subtitle {
  font-size: 0.9rem; opacity: 0.85; font-weight: 400;
  max-width: 400px; line-height: 1.5;
}

.header-badges {
  display: flex; gap: 0.5rem; margin-top: 0.25rem; flex-wrap: wrap; justify-content: center;
}
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.75rem; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition);
}
.badge:hover { background: rgba(255,255,255,0.25); transform: translateY(-1px); }
.badge i { font-size: 0.625rem; }

/* System status */
.system-status {
  display: flex; align-items: center; gap: 0.375rem;
}
.status-led {
  width: 8px; height: 8px; border-radius: 50%; transition: background var(--transition);
  background: var(--text-tertiary);
}
.status-led.online { background: #34D399; box-shadow: 0 0 6px rgba(52,211,153,0.5); }
.status-led.offline { background: #F87171; box-shadow: 0 0 6px rgba(248,113,113,0.5); }
.status-led.loading {
  background: #FBBF24; box-shadow: 0 0 6px rgba(251,191,36,0.5);
  animation: statusPulse 1s ease infinite;
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
#status-text { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Cards ── */
.card {
  background: var(--card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  animation: cardSlideIn 0.5s ease-out;
  position: relative;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 1.5rem; right: 1.5rem; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  opacity: 0; transition: opacity var(--transition);
}
.card:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.card:hover::before { opacity: 1; }

@keyframes cardSlideIn {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Email Controls ── */
.email-controls {
  display: flex; flex-direction: column; gap: 1rem;
}

.email-input-group {
  position: relative; display: flex; gap: 0.5rem; align-items: stretch;
}
.input-icon {
  position: absolute; left: 0.875rem; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); pointer-events: none; font-size: 0.875rem;
  transition: color var(--transition);
}
.email-input-group:focus-within .input-icon { color: var(--primary); }
.email-input-group input {
  flex: 1;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  transition: all var(--transition);
  font-family: 'JetBrains Mono', 'Fira Code', monospace, sans-serif;
  letter-spacing: 0.01em;
}
.email-input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--ring);
  background: var(--card);
}
.email-input-group .icon-button {
  border-radius: var(--radius);
}
/* Copy success state */
.email-input-group .icon-button.copied {
  background: var(--success-light);
  border-color: var(--success);
  color: var(--success);
  animation: copyPop 0.3s var(--transition-spring);
}
@keyframes copyPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.controls-row {
  display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center;
}

.button-group {
  display: flex; gap: 0.5rem; flex: 1; min-width: 0;
}

/* ── Buttons ── */
button {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; border: none; border-radius: var(--radius);
  font-size: 0.8125rem; font-weight: 600; color: white;
  background: var(--primary); cursor: pointer; transition: all var(--transition);
  white-space: nowrap; position: relative; overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
/* Ripple effect */
button .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleAnim 0.6s ease-out;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}
button::after {
  content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0);
  transition: background var(--transition);
}
button:hover::after { background: rgba(255,255,255,0.1); }
button:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
button:active { transform: translateY(0) scale(0.98); box-shadow: none; transition-duration: 0.1s; }

.primary-button {
  background: var(--primary);
  flex: 1; min-width: 0;
}
.primary-button:hover { background: var(--primary-hover); }
.dev-button {
  background: linear-gradient(135deg, var(--accent), var(--primary));
}
.dev-button:hover {
  background: linear-gradient(135deg, #7c3aed, var(--primary-hover));
}

.icon-button {
  padding: 0.625rem; min-width: 2.5rem;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
}
.icon-button:hover {
  background: var(--bg-secondary); border-color: var(--border-hover); color: var(--text);
}
.icon-button::after { display: none; }

.danger-button { background: var(--error); }
.danger-button:hover { background: #DC2626; }

.ghost-button {
  background: transparent; color: var(--text-secondary); border: 1px solid var(--border);
}
.ghost-button:hover { background: var(--bg-secondary); color: var(--text); border-color: var(--border-hover); }

/* ── Auto-refresh ── */
.auto-refresh {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg); border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
}
.checkbox-label {
  display: flex; align-items: center; gap: 0.375rem; cursor: pointer;
  color: var(--text-secondary); font-weight: 500;
}
.checkbox-label i { font-size: 0.8125rem; }
.checkbox-label input[type="checkbox"] {
  width: 1rem; height: 1rem; accent-color: var(--primary); cursor: pointer;
}
.select-input {
  padding: 0.375rem 0.5rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--card); color: var(--text); font-size: 0.75rem; font-weight: 500;
}
.countdown-text {
  font-size: 0.75rem; color: var(--text-tertiary); font-variant-numeric: tabular-nums;
  min-width: 2rem;
}

/* ── Countdown progress bar ── */
.countdown-bar-container {
  position: absolute; bottom: 0; left: 7px; right: 7px; height: 3px;
  background: var(--border); border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden; opacity: 0; transition: opacity var(--transition);
}
.countdown-bar-container.active { opacity: 1; }
.countdown-bar {
  height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: inherit;
  transition: width 1s linear;
  width: 100%;
}

/* ── Domain selector ── */
.domain-selector {
  display: flex; align-items: center; gap: 0.5rem; margin-top: 0.25rem;
}
.domain-selector label {
  font-size: 0.75rem; color: var(--text-tertiary); font-weight: 500;
  display: flex; align-items: center; gap: 0.25rem;
}
.domain-selector label i { font-size: 0.625rem; }
.domain-select {
  padding: 0.375rem 0.5rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text); font-size: 0.75rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
  max-width: 180px;
}
.domain-select:focus { border-color: var(--primary); box-shadow: var(--ring); outline: none; }
.domain-select:hover { border-color: var(--border-hover); }

/* ── Search ── */
.search-container { margin-bottom: 1rem; }
.search-input-group {
  position: relative; max-width: 100%;
}
.search-input-group i {
  position: absolute; left: 0.875rem; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); pointer-events: none; font-size: 0.8125rem;
}
#email-search {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.375rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--text);
  background: var(--bg);
  transition: all var(--transition);
}
#email-search:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--ring);
  background: var(--card);
}
#email-search::placeholder { color: var(--text-tertiary); }

/* Email count + info bar */
.inbox-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.75rem; flex-wrap: wrap; gap: 0.5rem;
}
.email-count {
  display: inline-flex; align-items: center; gap: 0.375rem;
  font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary);
}
.email-count .count-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 1.375rem; height: 1.375rem; padding: 0 0.375rem;
  border-radius: var(--radius-full);
  background: var(--primary-light); color: var(--primary);
  font-size: 0.6875rem; font-weight: 700;
  transition: all var(--transition-spring);
}
.email-count .count-badge.has-mail {
  background: var(--primary); color: white;
  animation: badgePop 0.4s var(--transition-spring);
}
@keyframes badgePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
.inbox-actions { display: flex; gap: 0.375rem; }

/* ── Table ── */
.table-container {
  overflow-x: auto; border-radius: var(--radius);
  border: 1px solid var(--border);
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg); color: var(--text-secondary);
  font-weight: 600; text-align: left; padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.04em;
}
td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.8125rem;
  transition: all var(--transition);
}
tr:last-child td { border-bottom: none; }
tr { transition: all var(--transition); cursor: default; }
td[data-open-id] { cursor: pointer; }
tr:hover td {
  background: var(--primary-ultra-light); color: var(--text);
}
tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--primary);
}
th i { margin-right: 0.35rem; font-size: 0.6875rem; opacity: 0.6; }

/* Row entry animation for new emails */
tr.row-new {
  animation: rowSlideIn 0.4s ease-out;
}
@keyframes rowSlideIn {
  from { opacity: 0; transform: translateX(-1rem); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Email Actions ── */
.email-actions {
  display: flex; gap: 0.375rem;
}
.email-actions .icon-button {
  padding: 0.5rem; min-width: 2rem; height: 2rem;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ── Skeleton Loader ── */
.skeleton-row {
  animation: shimmer 1.5s ease-in-out infinite;
  background: linear-gradient(90deg, var(--bg) 25%, var(--border) 50%, var(--bg) 75%);
  background-size: 200% 100%; height: 48px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-cell { height: 12px; width: 65%; margin: 8px auto; border-radius: var(--radius-sm); background: var(--border); }

/* ── Responsive Email Cards ── */
.emails-responsive {
  display: none; gap: 0.75rem;
}
.email-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  transition: all 0.3s ease; cursor: default;
  animation: cardEntryStagger 0.4s ease-out backwards;
}
.email-card:nth-child(1) { animation-delay: 0s; }
.email-card:nth-child(2) { animation-delay: 0.05s; }
.email-card:nth-child(3) { animation-delay: 0.1s; }
.email-card:nth-child(4) { animation-delay: 0.15s; }
.email-card:nth-child(5) { animation-delay: 0.2s; }
@keyframes cardEntryStagger {
  from { opacity: 0; transform: translateY(0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}
.email-card:hover {
  border-color: var(--primary); box-shadow: var(--shadow), var(--shadow-glow);
  transform: translateY(-2px);
}
.email-card:active { transform: translateY(0); transition-duration: 0.1s; }
.email-card-header {
  font-size: 0.6875rem; color: var(--text-tertiary);
  display: flex; justify-content: space-between; align-items: center;
}
.email-card-subject { font-weight: 600; font-size: 0.875rem; word-break: break-word; color: var(--text); }
.email-card-meta {
  font-size: 0.75rem; color: var(--text-secondary);
  display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center;
}
.email-card-meta i { font-size: 0.625rem; }
.email-card-actions { margin-top: 0.5rem; display: flex; gap: 0.375rem; }
.email-card-actions button { flex: 1; font-size: 0.75rem; padding: 0.5rem; }

@media (max-width: 820px) {
  .table-container {
    overflow-x: auto;
    overflow-y: hidden;
  }

  .table-container table {
    display: table;
    /* width: max-content; */
    min-width: 100%;
    min-width: 560px;
  }

  .emails-responsive {
    display: none;
  }

  .emails-responsive[hidden] {
    display: none;
  }

  .admin-table-wrap table {
    display: table;
    width: max-content;
    min-width: 100%;
    min-width: 560px;
  }

  .admin-table-shell {
    overflow-x: auto;
    overflow-y: auto;
  }
}

@media (min-width: 769px) and (max-width: 1180px) {
  .table-container { min-height: 420px; }
  .empty-state { min-height: 340px; }
}

/* ── Loading Spinner ── */
#loading-spinner { margin: 1rem auto; }
.spinner {
  width: 2rem; height: 2rem;
  border: 3px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 1.5rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error/Success Messages ── */
.error-message {
  padding: 0.75rem 1rem; border-radius: var(--radius);
  text-align: center; font-weight: 500; font-size: 0.8125rem; margin: 0.5rem 0;
}

.error-message[data-state='error'] {
  background: color-mix(in srgb, var(--error-light) 72%, white 28%);
  color: var(--error);
  border: 1px solid color-mix(in srgb, var(--error) 18%, transparent);
}

.error-message[data-state='warning'] {
  background: color-mix(in srgb, var(--warning-light) 76%, white 24%);
  color: var(--warning);
  border: 1px solid color-mix(in srgb, var(--warning) 18%, transparent);
}

.error-message[data-state='success'] {
  background: color-mix(in srgb, var(--success-light) 76%, white 24%);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 18%, transparent);
}

.submit-alert-copy {
  display: flex;
  align-items: flex-start;
  gap: 0.72rem;
  text-align: left;
}

.submit-alert-copy i {
  margin-top: 0.08rem;
  font-size: 0.95rem;
}

.submit-alert-copy div {
  display: grid;
  gap: 0.16rem;
}

.submit-alert-copy strong {
  line-height: 1.2;
}

.submit-alert-copy p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.42;
}

/* ── Toast Notifications ── */
.toast-container {
  position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
  z-index: 10000; display: flex; flex-direction: column; gap: 0.5rem;
  pointer-events: none; max-width: 420px; width: calc(100% - 2rem);
}
.toast {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.875rem 1rem; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto; font-size: 0.8125rem; font-weight: 500;
  color: var(--text);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.toast.toast-exit { animation: toastOut 0.3s ease forwards; }
.toast-icon {
  flex-shrink: 0; width: 1.5rem; height: 1.5rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 0.6875rem;
}
.toast-success .toast-icon { background: var(--success-light); color: var(--success); }
.toast-error .toast-icon { background: var(--error-light); color: var(--error); }
.toast-info .toast-icon { background: var(--primary-light); color: var(--primary); }
.toast-warning .toast-icon { background: var(--warning-light); color: var(--warning); }
.toast-message { flex: 1; }
/* Toast progress bar */
.toast-progress {
  position: absolute; bottom: 0; left: 0; height: 2px;
  background: var(--primary); border-radius: 0 0 var(--radius) var(--radius);
  animation: toastProgress linear forwards;
}
.toast-success .toast-progress { background: var(--success); }
.toast-error .toast-progress { background: var(--error); }
.toast-warning .toast-progress { background: var(--warning); }
@keyframes toastProgress {
  from { width: 100%; }
  to { width: 0%; }
}
.toast-close {
  flex-shrink: 0; background: none; border: none; color: var(--text-tertiary);
  cursor: pointer; padding: 0.25rem; font-size: 0.875rem; line-height: 1;
}
.toast-close:hover { color: var(--text); }
.toast-close::after { display: none; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-1rem) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(-1rem) scale(0.95); }
}

/* ── Email Modal ── */
.email-modal {
  position: fixed; inset: 0;
  background: var(--modal-overlay);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem; z-index: 5000;
  animation: modalOverlayIn 0.25s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
@keyframes modalOverlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalOverlayOut { from { opacity: 1; } to { opacity: 0; } }

.email-modal-content {
  background: var(--card); padding: 0;
  border-radius: var(--radius-xl);
  max-width: 700px; width: 100%; max-height: 85vh;
  overflow: hidden; position: relative;
  box-shadow: var(--shadow-xl);
  animation: modalContentIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
}
@keyframes modalContentIn {
  from { opacity: 0; transform: scale(0.9) translateY(1.5rem); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  background: var(--bg);
}
.modal-header h2 {
  font-size: 1.0625rem; font-weight: 700; color: var(--text);
  word-break: break-word; line-height: 1.4;
}

.email-modal .close-btn {
  background: var(--bg-secondary); border: 1px solid var(--border); color: var(--text-secondary);
  cursor: pointer; padding: 0.375rem; border-radius: var(--radius-sm);
  transition: all var(--transition); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
}
.email-modal .close-btn:hover { background: var(--error-light); color: var(--error); border-color: var(--error); }
.email-modal .close-btn i { font-size: 0.875rem; }

/* Modal action toolbar */
.modal-actions {
  /* display: flex; gap: 0.375rem;  */
  padding: 0.75rem 1.5rem;
  /* border-bottom: 1px solid var(--border); background: var(--bg); */
}
.modal-actions button {
  padding: 0.375rem 0.75rem; font-size: 0.75rem;
  background: var(--card); color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  gap: 0.375rem;
}
.modal-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  text-decoration: none;
}
.modal-actions button:hover {
  background: var(--primary-light); color: var(--primary); border-color: var(--primary);
  transform: none; box-shadow: none;
}
.modal-actions a:hover {
  transform: none;
  box-shadow: none;
}
.modal-actions button::after { display: none; }
.modal-actions a::after { display: none; }
.modal-actions button i { font-size: 0.6875rem; }
.modal-actions a i { font-size: 0.6875rem; }

.mail-modal-actions .primary-button {
  flex: 0 0 auto;
}
.dev-mail-form {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.5rem;
}
.dev-mail-form label {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.dev-mail-form input,
.dev-mail-form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.dev-mail-form textarea {
  min-height: 160px;
  resize: vertical;
}
.dev-mail-form .modal-actions {
  padding: 0.25rem 0 0;
  border-bottom: 0;
  background: transparent;
}

.dev-mail-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

.dev-mail-actions .ghost-button,
.dev-mail-actions .primary-button {
  min-width: 132px;
  min-height: 2.75rem;
  justify-content: center;
  border-radius: 0.9rem;
}

.dev-mail-actions .ghost-button {
  background: color-mix(in srgb, var(--bg) 80%, var(--card) 20%);
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 75%, var(--text-tertiary) 25%);
}

.dev-mail-actions .ghost-button:hover {
  background: color-mix(in srgb, var(--bg-secondary) 78%, var(--card) 22%);
  color: var(--text);
  border-color: color-mix(in srgb, var(--border-hover) 72%, var(--text-secondary) 28%);
}

.dev-mail-actions .primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.2);
}

.dev-mail-actions .primary-button:hover {
  background: linear-gradient(135deg, var(--primary-hover), #1d4ed8);
  color: #fff;
}

.email-meta {
  padding: 0.875rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem; color: var(--text-secondary);
  display: flex; flex-direction: column; gap: 0.25rem;
  background: var(--bg);
}
.email-meta p { display: flex; align-items: center; gap: 0.5rem; }
.email-meta p strong { color: var(--text); font-weight: 600; min-width: 3rem; }

.email-body {
  padding: 1.5rem; color: var(--text); line-height: 1.7;
  overflow-y: auto; flex: 1; font-size: 0.875rem;
}
.email-body-text {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  font: inherit;
}
.email-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.email-body a { color: var(--primary); }
.email-body a:hover { text-decoration: underline; }

.attachments {
  padding: 1rem 1.5rem; border-top: 1px solid var(--border); background: var(--bg);
}
.attachments h3 { font-size: 0.8125rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-secondary); }
.attachments p { font-size: 0.8125rem; color: var(--text-secondary); }
.attachment-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.attachment-link {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.375rem 0.75rem; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-secondary);
  text-decoration: none; font-size: 0.75rem; font-weight: 500;
  transition: all var(--transition);
}
.attachment-link:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); transform: translateY(-1px); }
.attachment-link i { font-size: 0.6875rem; }

/* ── Keyboard shortcuts modal ── */
.shortcuts-overlay {
  position: fixed; inset: 0; background: var(--modal-overlay);
  display: flex; align-items: center; justify-content: center;
  z-index: 10001; animation: modalOverlayIn 0.2s ease;
  backdrop-filter: blur(4px);
}
.shortcuts-content {
  background: var(--card); border-radius: var(--radius-xl);
  padding: 2rem; max-width: 420px; width: calc(100% - 2rem);
  box-shadow: var(--shadow-xl); border: 1px solid var(--border);
  animation: modalContentIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.shortcuts-content h3 {
  font-size: 1rem; font-weight: 700; margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.shortcuts-content h3 i { color: var(--primary); }
.shortcut-list { display: flex; flex-direction: column; gap: 0.625rem; }
.shortcut-item {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8125rem; color: var(--text-secondary);
}
.shortcut-item kbd {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.25rem 0.5rem; min-width: 1.5rem;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.6875rem;
  font-weight: 700; font-family: 'JetBrains Mono', monospace;
  color: var(--text); box-shadow: 0 1px 0 var(--border);
}
.shortcut-item span { display: flex; align-items: center; gap: 0.375rem; }
.shortcut-close {
  margin-top: 1.25rem; width: 100%;
  background: var(--bg); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.shortcut-close:hover { background: var(--bg-secondary); color: var(--text); }

/* ── Keyboard shortcut hint (bottom right) ── */
.shortcut-hint {
  position: fixed; bottom: 1rem; right: 1rem;
  display: flex; align-items: center; gap: 0.375rem;
  padding: 0.375rem 0.75rem; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm); font-size: 0.6875rem; color: var(--text-tertiary);
  cursor: pointer; transition: all var(--transition); z-index: 50;
}
.shortcut-hint:hover { color: var(--text-secondary); border-color: var(--primary); }
.shortcut-hint kbd {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.125rem 0.375rem; background: var(--bg); border: 1px solid var(--border);
  border-radius: 3px; font-size: 0.625rem; font-weight: 700;
  font-family: 'JetBrains Mono', monospace; box-shadow: 0 1px 0 var(--border);
}

/* ── Empty State ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 3rem 1rem; gap: 0.75rem; color: var(--text-tertiary);
}
.empty-state-icon {
  font-size: 3rem; opacity: 0.25;
  animation: emptyFloat 3s ease-in-out infinite;
}
@keyframes emptyFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6px) rotate(-3deg); }
  75% { transform: translateY(2px) rotate(2deg); }
}
.empty-state h4 { font-size: 0.9375rem; font-weight: 600; color: var(--text-secondary); }
.empty-state p { font-size: 0.8125rem; text-align: center; max-width: 280px; line-height: 1.6; }
.empty-state-hint {
  margin-top: 0.5rem; font-size: 0.75rem; color: var(--text-tertiary);
  display: flex; align-items: center; gap: 0.375rem;
}
.empty-state-hint kbd {
  display: inline-flex; padding: 0.125rem 0.375rem; background: var(--bg);
  border: 1px solid var(--border); border-radius: 3px; font-size: 0.625rem;
  font-weight: 700; font-family: 'JetBrains Mono', monospace;
}

/* ── Footer ── */
footer {
  margin-top: auto;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% 100%;
  animation: footerGradient 4s linear infinite;
}
@keyframes footerGradient {
  from { background-position: 0% 0; }
  to { background-position: 200% 0; }
}
.footer-content {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem; text-align: center;
}
.footer-content > p {
  font-size: 0.8125rem; color: var(--text-secondary); font-weight: 500;
}
.footer-content a { color: var(--primary); text-decoration: none; font-weight: 600; }
.footer-content a:hover { text-decoration: underline; }
.footer-content p i { margin-right: 0.35rem; color: var(--primary); }

.version { font-size: 0.6875rem; color: var(--text-tertiary); }

.social { display: flex; gap: 0.75rem; }
.social a,
.social span {
  color: var(--text-secondary); font-size: 1.25rem;
  transition: all var(--transition); position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--bg);
}
.social a:hover,
.social span:hover {
  color: var(--primary); transform: translateY(-3px);
  box-shadow: var(--shadow), 0 4px 12px rgba(59, 130, 246, 0.2);
  background: var(--primary-light);
}

.footer-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.footer-buttons a,
.footer-buttons button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  border-radius: var(--radius);
  text-decoration: none !important;
}

.footer-buttons a:hover,
.footer-buttons button:hover {
  text-decoration: none !important;
}

.warning-button {
  background: var(--error); color: white;
  padding: 0.5rem 1rem; font-size: 0.75rem;
}
.warning-button:hover { background: #DC2626; }
.privacy-button {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}
.privacy-button:hover { background: var(--bg-secondary); }
.footer-buttons .privacy-button {
  text-decoration: none;
}

.footer-link-button {
  background: var(--bg);
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 500 !important;
}

.footer-link-button:hover {
  background: var(--bg-secondary);
  color: var(--text) !important;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading h2 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.section-heading p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.admin-app {
  max-width: 1280px;
  padding-top: 1rem;
}

.admin-shell {
  gap: 0.75rem;
}

.admin-nav-shell {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 92%, white 8%);
  border: 1px solid color-mix(in srgb, var(--border) 84%, white 16%);
  box-shadow: var(--shadow-sm);
}

.admin-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.admin-nav-brand i {
  color: var(--primary);
}

.admin-nav-brand-copy {
  display: grid;
  gap: 0.08rem;
}

.admin-nav-brand-copy span {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.1;
}

.admin-nav-brand-copy small {
  color: var(--text-secondary);
  font-size: 0.74rem;
  line-height: 1.1;
}

.admin-nav-links {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.admin-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  transition: all var(--transition);
}

.admin-nav-link:hover {
  color: var(--text);
  background: var(--card);
}

.admin-nav-link.active {
  color: white;
  background: var(--primary);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.25);
}

.admin-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.admin-nav-actions .primary-button,
.admin-nav-actions .ghost-button,
.admin-nav-actions .warning-button {
  padding: 0.6rem 0.85rem;
  font-size: 0.82rem;
}

.admin-main {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.admin-compact-card,
.admin-toolbar-card,
.admin-main .card {
  padding: 0.95rem 1.05rem;
  border-radius: 1.1rem;
}

.admin-login-card {
  max-width: 440px;
  margin: 8vh auto 0;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 92%, white 8%), var(--card));
  border: 1px solid color-mix(in srgb, var(--border) 84%, white 16%);
  box-shadow: var(--shadow-lg);
}

.admin-login-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.admin-login-head p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.55;
}

.admin-login-actions {
  display: flex;
  padding-top: 0.2rem;
}

.admin-login-button {
  width: 100%;
  min-height: 2.9rem;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 0.9rem;
  font-size: 0.9rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.admin-login-button:hover {
  background: linear-gradient(135deg, var(--primary-hover), #1d4ed8);
  color: #fff;
}

.admin-login-button i {
  font-size: 0.86rem;
}

.admin-section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.admin-toolbar-primary {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary-ultra-light) 65%, var(--card) 35%), var(--card));
  border: 1px solid color-mix(in srgb, var(--border) 82%, white 18%);
  box-shadow: var(--shadow);
}

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-toolbar-copy {
  display: grid;
  gap: 0.2rem;
}

.admin-toolbar-copy-wide {
  gap: 0.3rem;
}

.admin-toolbar-title {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.admin-toolbar-title i {
  color: var(--primary);
  font-size: 1rem;
}

.admin-toolbar-title h1 {
  font-size: 1.05rem;
  line-height: 1.1;
}

.admin-toolbar-copy p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.admin-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.admin-stat-card {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border: 1px solid color-mix(in srgb, var(--border) 85%, white 15%);
  box-shadow: var(--shadow-sm);
}

.admin-stat-card strong {
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.admin-stat-card p {
  color: var(--text-secondary);
  font-size: 0.84rem;
}

.admin-section-head {
  margin-bottom: 0.6rem;
}

.admin-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  min-height: min(60vh, 680px);
}

.admin-data-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 96%, white 4%), var(--card));
}

.admin-table-shell {
  flex: 1;
  min-height: 0;
  max-width: 100%;
  overflow: auto;
  border-radius: 0.95rem;
}

.admin-form-grid {
  display: grid;
  gap: 0.8rem;
}

.admin-form-grid label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--text);
}

.admin-form-grid input,
.admin-form-grid textarea {
  width: 100%;
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  font: inherit;
}

.admin-form-grid textarea {
  resize: vertical;
  min-height: 120px;
}

.inline-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.admin-table-wrap table th,
.admin-table-wrap table td {
  vertical-align: middle;
  padding-top: 0.58rem;
  padding-bottom: 0.58rem;
  padding-left: 0.7rem;
  padding-right: 0.7rem;
}

.admin-date-input {
  min-width: 152px;
  font-size: 0.84rem;
}

.table-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.table-actions .icon-button {
  min-width: 0;
  width: auto;
  height: auto;
  padding: 0.1rem;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.table-actions .icon-button:hover {
  background: transparent;
  transform: none;
}

.table-actions .icon-button i {
  font-size: 0.95rem;
}

.icon-button.edit {
  color: #334155;
}

.icon-button.edit:hover {
  color: #0f172a;
}

.icon-button.danger {
  color: #ef4444;
}

.icon-button.danger:hover {
  color: #dc2626;
}

.domain-toggle {
  min-width: 0;
  width: auto;
  height: auto;
  padding: 0.1rem;
  border-radius: 0;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.domain-toggle i {
  font-size: 1rem;
}

.domain-toggle.is-active {
  color: #22c55e;
}

.domain-toggle.is-active:hover {
  color: #4ade80;
}

.domain-toggle.is-inactive {
  color: #64748b;
}

.domain-toggle.is-inactive:hover {
  color: #2563eb;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-pill.active {
  background: var(--success-light);
  color: var(--success);
}

.status-pill.inactive {
  background: var(--warning-light);
  color: var(--warning);
}

.admin-result {
  margin-top: 1rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius);
  background: var(--success-light);
  color: var(--success);
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--success) 18%, transparent);
}

.submit-result-copy {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.submit-result-copy i {
  margin-top: 0.08rem;
  font-size: 1rem;
}

.submit-result-copy div {
  display: grid;
  gap: 0.18rem;
}

.submit-result-copy strong {
  color: var(--success);
  line-height: 1.2;
}

.submit-result-copy p {
  margin: 0;
  color: color-mix(in srgb, var(--success) 78%, var(--text) 22%);
  font-size: 0.84rem;
  line-height: 1.45;
}

.admin-modal-content {
  max-width: 520px;
  border-radius: 1.25rem;
  border: 1px solid color-mix(in srgb, var(--border) 82%, white 18%);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.18);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 94%, white 6%), var(--card));
}

.admin-modal-form {
  gap: 0.9rem;
  padding: 1rem 1.15rem 1.15rem;
}

.admin-modal-header {
  padding: 1rem 1.15rem 0.78rem;
  background: linear-gradient(180deg, color-mix(in srgb, var(--primary-ultra-light) 55%, var(--card) 45%), var(--card));
  align-items: flex-start;
}

.admin-modal-copy {
  display: grid;
  gap: 0.25rem;
}

.admin-modal-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.admin-modal-header h2 {
  font-size: 1.15rem;
  line-height: 1.15;
}

.admin-modal-header p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 34rem;
}

.admin-modal-form .modal-actions {
  padding: 0.1rem 0 0;
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

.admin-modal-form .ghost-button,
.admin-modal-form .primary-button {
  min-width: 132px;
  justify-content: center;
}

.admin-toggle-field {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in srgb, var(--border) 84%, white 16%);
  background: color-mix(in srgb, var(--bg) 72%, var(--card) 28%);
}

.admin-toggle-copy {
  display: grid;
  gap: 0.18rem;
}

.admin-toggle-copy strong {
  font-size: 0.92rem;
  line-height: 1.2;
}

.admin-toggle-copy small {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.45;
  max-width: 22rem;
}

.admin-toggle-shell {
  display: inline-flex;
  align-items: center;
}

.admin-toggle-shell input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.admin-toggle-track {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 3.25rem;
  height: 1.9rem;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.22);
  transition: all var(--transition);
}

.admin-toggle-knob {
  position: absolute;
  left: 0.2rem;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: white;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.14);
  transition: all var(--transition);
}

.admin-toggle-shell input:checked + .admin-toggle-track {
  background: rgba(15, 23, 42, 0.96);
  border-color: rgba(15, 23, 42, 0.96);
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.12);
}

.admin-toggle-shell input:checked + .admin-toggle-track .admin-toggle-knob {
  transform: translateX(1.3rem);
  background: #22c55e;
}

.admin-modal-footer {
  padding-top: 0.2rem !important;
}

.admin-modal-footer .ghost-button,
.admin-modal-footer .primary-button {
  min-height: 2.8rem;
}

.admin-modal-footer .ghost-button {
  background: color-mix(in srgb, var(--bg) 80%, var(--card) 20%);
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 75%, var(--text-tertiary) 25%);
}

.admin-modal-footer .ghost-button:hover {
  background: color-mix(in srgb, var(--bg-secondary) 78%, var(--card) 22%);
  color: var(--text);
  border-color: color-mix(in srgb, var(--border-hover) 72%, var(--text-secondary) 28%);
}

.admin-modal-footer .primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.2);
}

.admin-modal-footer .primary-button:hover {
  background: linear-gradient(135deg, var(--primary-hover), #1d4ed8);
  color: #fff;
}

.submit-shell {
  max-width: 1180px;
}

.submit-main {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.submit-stage {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.15fr);
  gap: 0;
  min-height: min(74vh, 760px);
  overflow: hidden;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--border) 85%, white 15%);
  box-shadow: var(--shadow-lg);
}

.submit-stage-copy {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.35rem 1.3rem;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--primary-ultra-light) 80%, white 20%), transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--card) 94%, white 6%), var(--card));
  border-right: 1px solid color-mix(in srgb, var(--border) 84%, white 16%);
}

.submit-stage-copy p {
  color: var(--text-secondary);
  line-height: 1.58;
  max-width: 30rem;
}

.submit-form-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.35rem 1.3rem;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card) 96%, white 4%), var(--card));
}

.submit-domain-form {
  gap: 0.95rem;
}

.submit-domain-form textarea {
  min-height: 136px;
}

.submit-form-actions,
.submit-hero-actions {
  display: flex;
  justify-content: flex-start;
}

.submit-info-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.submit-info-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.submit-info-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ultra-light);
}

.submit-info-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius);
  background: var(--primary-ultra-light);
  color: var(--text-secondary);
}

.submit-info-note i {
  color: var(--primary);
  margin-top: 0.15rem;
}

.submit-inline-note {
  margin-top: 0.2rem;
}

.submit-inline-list {
  margin-top: 0.1rem;
}

@media (max-width: 980px) {
  .admin-stats-grid,
  .admin-panels,
  .submit-stage {
    grid-template-columns: 1fr;
  }

  .admin-toolbar,
  .admin-nav {
    /* align-items: flex-start; */
    flex-direction: column;
  }

  .admin-toolbar-actions,
  .admin-nav-links,
  .admin-nav-actions,
  .submit-hero-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .admin-nav-links {
    justify-content: center;
  }

  .submit-stage {
    min-height: auto;
  }

  .submit-stage-copy {
    border-right: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 84%, white 16%);
  }
}

@media (min-width: 721px) and (max-width: 980px) {
  .admin-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .admin-stat-card {
    padding: 0.68rem 0.62rem;
  }

  .admin-stat-card .admin-section-kicker,
  .admin-stat-card strong,
  .admin-stat-card p {
    white-space: nowrap;
  }

  .admin-stat-card .admin-section-kicker {
    font-size: 0.66rem;
    letter-spacing: 0.05em;
  }

  .admin-stat-card strong {
    font-size: 1.12rem;
  }

  .admin-stat-card p {
    font-size: 0.72rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 720px) {
  .admin-app {
    padding-top: 0.65rem;
  }

  .admin-compact-card,
  .admin-toolbar-card,
  .admin-main .card,
  .submit-stage {
    padding: 0.82rem;
  }

  .admin-stats-grid {
    gap: 0.75rem;
  }

  .admin-nav-shell {
    padding: 0.56rem 0.62rem !important;
    border-radius: 0.8rem;
  }

  .admin-nav {
    gap: 0.38rem;
  }

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

  .admin-nav-brand i {
    font-size: 0.84rem;
  }

  .admin-nav-brand-copy span {
    font-size: 0.74rem;
  }

  .admin-nav-brand-copy small {
    display: none;
  }

  .admin-nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.22rem;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .admin-nav-link {
    min-height: 1.72rem;
    padding: 0.22rem 0.28rem;
    font-size: 0.65rem;
    border: 1px solid var(--border);
    background: var(--bg);
  }

  .admin-nav-link.active {
    border-color: transparent;
  }

  .admin-toolbar-actions,
  .submit-form-actions {
    width: 100%;
  }

  .admin-toolbar-actions .primary-button,
  .admin-toolbar-actions .ghost-button,
  .admin-toolbar-actions .warning-button,
  .admin-nav-actions .primary-button,
  .admin-nav-actions .ghost-button,
  .admin-nav-actions .warning-button,
  .submit-form-actions .primary-button,
  .submit-hero-actions .ghost-button {
    width: 100%;
    justify-content: center;
  }

  .admin-nav-actions {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.2rem;
    width: 100%;
  }

  .admin-nav-actions .primary-button,
  .admin-nav-actions .ghost-button,
  .admin-nav-actions .warning-button {
    min-height: 1.68rem;
    padding: 0.2rem;
    font-size: 0;
    border-radius: 0.68rem;
    gap: 0;
  }

  .admin-nav-actions .primary-button i,
  .admin-nav-actions .ghost-button i,
  .admin-nav-actions .warning-button i {
    font-size: 0.74rem;
  }

  .admin-nav-actions .primary-button span,
  .admin-nav-actions .ghost-button span,
  .admin-nav-actions .warning-button span {
    display: none;
  }

  .admin-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .admin-stat-card {
    padding: 0.56rem 0.48rem;
    border-radius: 0.82rem;
  }

  .admin-stat-card strong {
    font-size: 1rem;
  }

  .admin-stat-card p {
    display: none;
  }

  .admin-stat-card .admin-section-kicker {
    font-size: 0.62rem;
  }

  .admin-data-card {
    padding: 0.68rem 0.68rem 0.74rem !important;
  }

  .admin-section-head {
    margin-bottom: 0.38rem;
  }

  .admin-section-head h2 {
    font-size: 0.86rem;
  }

  .admin-section-head p {
    display: block;
    font-size: 0.74rem;
    line-height: 1.35;
  }

  .admin-table-shell {
    border-radius: 0.85rem;
  }

  .admin-table-wrap table th,
  .admin-table-wrap table td {
    padding-top: 0.42rem;
    padding-bottom: 0.42rem;
    padding-left: 0.48rem;
    padding-right: 0.48rem;
    font-size: 0.7rem;
    white-space: nowrap;
  }

  .admin-date-input {
    min-width: 124px;
    font-size: 0.7rem;
    padding: 0.4rem 0.45rem;
  }

  .status-pill {
    font-size: 0.64rem;
    padding: 0.12rem 0.38rem;
  }

  .table-actions {
    gap: 0.22rem;
  }

  .table-actions .icon-button i,
  .domain-toggle i {
    font-size: 0.82rem;
  }

  .submit-stage {
    padding: 0;
    min-height: auto;
  }

  .submit-stage-copy,
  .submit-form-panel {
    padding: 0.95rem;
  }

  .submit-stage-copy {
    gap: 0.28rem;
    padding-bottom: 0.72rem;
  }

  .submit-stage-copy .admin-section-kicker {
    display: inline-flex;
  }

  .submit-stage-copy .admin-toolbar-title {
    gap: 0.4rem;
  }

  .submit-stage-copy .admin-toolbar-title h1 {
    font-size: 0.98rem;
  }

  .submit-stage-copy p {
    display: block;
    font-size: 0.78rem;
    line-height: 1.38;
    color: var(--text-secondary);
    max-width: none;
  }

  .submit-info-note {
    display: flex;
    padding: 0.68rem 0.74rem;
    font-size: 0.76rem;
    line-height: 1.4;
  }

  .submit-inline-list {
    display: grid;
    gap: 0.42rem;
  }

  .submit-info-list li {
    font-size: 0.76rem;
    line-height: 1.4;
    padding-left: 0.95rem;
  }

  .submit-info-list li::before {
    top: 0.48rem;
    width: 0.34rem;
    height: 0.34rem;
    box-shadow: 0 0 0 3px var(--primary-ultra-light);
  }

  .submit-form-panel {
    justify-content: flex-start;
    gap: 0.55rem;
    padding-top: 0.78rem;
  }

  .submit-form-panel .admin-section-head {
    margin-bottom: 0.1rem;
  }

  .submit-form-panel .admin-section-head p {
    display: block;
    font-size: 0.74rem;
    line-height: 1.35;
    margin-top: 0.18rem;
  }

  .submit-domain-form {
    gap: 0.62rem;
  }

  .submit-domain-form label {
    gap: 0.34rem;
    font-size: 0.82rem;
  }

  .submit-domain-form input,
  .submit-domain-form textarea {
    padding: 0.66rem 0.74rem;
  }

  .submit-domain-form textarea {
    min-height: 92px;
  }

  .admin-modal-content {
    max-width: 100%;
    border-radius: 1rem;
  }

  .admin-modal-form .modal-actions {
    flex-direction: column-reverse;
  }

  .admin-modal-form .ghost-button,
  .admin-modal-form .primary-button {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .admin-app {
    padding-top: 0.45rem;
  }

  .admin-main {
    gap: 0.42rem;
  }

  .admin-nav-shell {
    padding: 0.5rem !important;
  }

  .admin-nav {
    gap: 0.32rem;
  }

  .admin-nav-brand-copy span {
    font-size: 0.7rem;
  }

  .admin-nav-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.18rem;
  }

  .admin-nav-link {
    min-height: 1.58rem;
    padding: 0.18rem 0.22rem;
    font-size: 0.61rem;
  }

  .admin-nav-actions {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.18rem;
  }

  .admin-nav-actions .primary-button,
  .admin-nav-actions .ghost-button,
  .admin-nav-actions .warning-button {
    min-height: 1.56rem;
    padding: 0.16rem;
    font-size: 0;
  }

  .admin-nav-actions .primary-button i,
  .admin-nav-actions .ghost-button i,
  .admin-nav-actions .warning-button i {
    font-size: 0.7rem;
  }

  .admin-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.32rem;
  }

  .admin-stat-card {
    gap: 0.06rem;
    padding: 0.48rem 0.38rem;
  }

  .admin-data-card {
    padding: 0.58rem 0.58rem 0.64rem !important;
  }

  .admin-table-wrap table {
    width: max-content;
    min-width: 100%;
    min-width: 500px;
  }

  .submit-stage-copy,
  .submit-form-panel {
    padding: 0.72rem;
  }

  .submit-stage {
    min-height: auto;
  }

  .submit-stage-copy {
    padding-bottom: 0.42rem;
  }

  .submit-stage-copy .admin-toolbar-title h1 {
    font-size: 0.9rem;
  }

  .submit-stage-copy p {
    font-size: 0.74rem;
    line-height: 1.36;
  }

  .submit-info-note {
    padding: 0.62rem 0.68rem;
    font-size: 0.72rem;
  }

  .submit-inline-list {
    gap: 0.28rem;
    margin-bottom: 0;
  }

  .submit-info-list li {
    font-size: 0.72rem;
    line-height: 1.34;
    padding-left: 0.86rem;
  }

  .submit-form-panel {
    gap: 0.34rem;
    padding-top: 0.42rem;
  }

  .submit-domain-form {
    gap: 0.52rem;
  }

  .submit-domain-form label {
    font-size: 0.78rem;
  }

  .submit-domain-form input,
  .submit-domain-form textarea {
    padding: 0.58rem 0.65rem;
    font-size: 0.82rem;
  }

  .submit-domain-form textarea {
    min-height: 72px;
  }

  .submit-form-actions .primary-button {
    min-height: 2.3rem;
    padding: 0.55rem 0.72rem;
    font-size: 0.82rem;
  }
}

/* ── Welcome Message ── */
.welcome-message {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--glass); color: var(--text);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 1.5rem; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl); max-width: 360px;
  z-index: 9001; border: 1px solid var(--glass-border);
  opacity: 0; transform: translateY(1.5rem) scale(0.95);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.welcome-message.show { opacity: 1; transform: translateY(0) scale(1); }
.welcome-message-header {
  display: flex; align-items: center; gap: 0.625rem; margin-bottom: 0.75rem;
}
.welcome-message-header i { color: var(--primary); font-size: 1.25rem; }
.welcome-message-header h3 { font-size: 0.9375rem; font-weight: 700; }
.welcome-message-content {
  font-size: 0.8125rem; line-height: 1.6; color: var(--text-secondary);
}
.welcome-message-content ul { padding-left: 1.25rem; margin: 0.25rem 0; }
.welcome-message-content li { margin: 0.125rem 0; }
.welcome-message-actions { display: flex; justify-content: flex-end; margin-top: 1rem; }
.welcome-message-actions button {
  padding: 0.5rem 1.25rem; font-size: 0.8125rem;
  background: var(--primary); border-radius: var(--radius);
}

/* ── Session Timer ── */
.session-timer {
  display: flex; align-items: center; gap: 0.375rem;
  font-size: 0.75rem; color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.session-timer i { font-size: 0.6875rem; }

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(1.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(1.5rem); }
}

/* Button icon animations */
.fa-rotate { transition: transform 0.3s ease; }
button:hover .fa-rotate { animation: spin 1s linear infinite; }
.fa-wand-magic-sparkles { transition: all 0.3s ease; }
button:hover .fa-wand-magic-sparkles { filter: brightness(1.2); transform: rotate(-10deg) scale(1.1); }

/* ── Tooltip ── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 0.375rem 0.625rem; border-radius: var(--radius-sm);
  background: var(--text); color: var(--card); font-size: 0.6875rem;
  font-weight: 500; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: all 0.2s ease;
  z-index: 100;
}
[data-tooltip]::after {
  content: '';
  position: absolute; bottom: calc(100% + 2px); left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--text);
  opacity: 0; pointer-events: none;
  transition: all 0.2s ease;
  z-index: 100;
}
[data-tooltip]:hover::before { opacity: 1; transform: translateX(-50%) translateY(0); }
[data-tooltip]:hover::after { opacity: 1; }

/* ── Scroll-to-top button ── */
.scroll-top-btn {
  position: fixed; bottom: 1rem; left: 1rem;
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--primary); color: white;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(1rem);
  transition: all 0.3s ease;
  z-index: 50; padding: 0; border: none;
  pointer-events: none;
}
.scroll-top-btn.visible {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.scroll-top-btn:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-xl);
  background: var(--primary-hover);
}
.scroll-top-btn::after { display: none; }

/* ── New mail indicator (enhanced) ── */
.new-mail-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--success); margin-right: 0.375rem; vertical-align: middle;
  animation: dotPulse 2s ease infinite;
  box-shadow: 0 0 6px var(--success);
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* ── Notification bell ── */
.notification-bell {
  position: relative; display: inline-flex;
}
.notification-bell .bell-badge {
  position: absolute; top: -4px; right: -4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--error); color: white;
  font-size: 0.5rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  animation: bellBounce 0.5s var(--transition-spring);
  border: 2px solid var(--card);
}
@keyframes bellBounce {
  0% { transform: scale(0); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* ── Mobile FAB (Floating Action Button) ── */
.mobile-fab {
  display: none;
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 200;
}
.fab-main {
  width: 3.5rem; height: 3.5rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; font-size: 1.25rem;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); border: none; padding: 0;
  position: relative; z-index: 2;
}
.fab-main:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5); }
.fab-main::after { display: none; }
.fab-main.open { transform: rotate(45deg); }
.fab-main.open:hover { transform: rotate(45deg) scale(1.1); }

.fab-actions {
  position: absolute; bottom: calc(100% + 0.75rem); right: 0;
  display: flex; flex-direction: column-reverse; gap: 0.625rem;
  opacity: 0; pointer-events: none; transform: translateY(0.5rem);
  transition: all 0.25s ease;
}
.fab-actions.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.fab-action {
  width: 3rem; height: 3rem; border-radius: 50%;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem; padding: 0; transition: all var(--transition);
}
.fab-action:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); transform: none; box-shadow: var(--shadow-lg); }
.fab-action::after { display: none; }

/* ── Responsive ── */
@media (min-width: 1680px) {
  .app-container {
    max-width: 1180px;
    padding: 2rem 2.5rem 2.5rem;
    gap: 2rem;
  }

  header {
    padding: 3rem 2.5rem 2.5rem;
  }

  .header-subtitle {
    font-size: 1rem;
    max-width: 520px;
  }

  .card {
    padding: 1.75rem;
  }

  .email-input-group input {
    font-size: 1.05rem;
  }

  .button-group {
    gap: 0.75rem;
  }

  .primary-button,
  .ghost-button {
    min-height: 3rem;
  }

  th,
  td {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .table-container {
    min-height: 460px;
  }

  .empty-state {
    min-height: 380px;
  }

  footer {
    padding: 1.75rem;
  }
}

@media (min-width: 2000px) {
  html {
    font-size: 19px;
  }

  .app-container {
    max-width: 1380px;
    padding: 2.75rem 3.25rem 3.25rem;
    gap: 2.4rem;
  }

  header {
    padding: 3.8rem 3.25rem 3.2rem;
    border-radius: 1.75rem;
  }

  .logo-title h1 {
    font-size: 2.7rem;
  }

  .logo-title i {
    font-size: 2.95rem;
  }

  .header-subtitle {
    font-size: 1.12rem;
    max-width: 680px;
  }

  .badge {
    font-size: 0.95rem;
    padding: 0.45rem 1.05rem;
  }

  .card {
    padding: 2.15rem;
    border-radius: 1.5rem;
  }

  .email-input-group input {
    font-size: 1.18rem;
  }

  .domain-select,
  .select-input {
    font-size: 0.96rem;
  }

  .primary-button,
  .ghost-button,
  .icon-button {
    font-size: 1rem;
  }

  .table-container {
    min-height: 560px;
  }

  th {
    font-size: 0.84rem;
  }

  td {
    font-size: 0.96rem;
  }

  .empty-state {
    min-height: 470px;
  }

  .empty-state h3,
  .empty-state h4 {
    font-size: 1.22rem;
  }

  .empty-state p {
    font-size: 1rem;
    max-width: 400px;
  }

  footer {
    padding: 2rem;
  }

  .email-modal {
    padding: 2rem;
  }

  .email-modal-content {
    max-width: 860px;
    max-height: 88vh;
  }

  .modal-header {
    padding: 1.5rem 1.75rem;
  }

  .modal-header h2 {
    font-size: 1.22rem;
  }

  .email-meta,
  .email-body,
  .attachments,
  .dev-mail-form {
    font-size: 0.96rem;
  }

  .email-body {
    padding: 1.75rem;
  }

  .modal-actions,
  .attachments,
  .email-meta {
    padding-left: 1.75rem;
    padding-right: 1.75rem;
  }

  .dev-mail-form textarea {
    min-height: 190px;
  }
}

@media (min-width: 2560px) {
  html {
    font-size: 20px;
  }

  .app-container {
    max-width: 1560px;
    padding: 3.2rem 3.75rem 3.75rem;
    gap: 2.7rem;
  }

  header {
    padding: 4.2rem 3.75rem 3.5rem;
    border-radius: 2rem;
  }

  .logo-title h1 {
    font-size: 3.05rem;
  }

  .logo-title i {
    font-size: 3.2rem;
  }

  .header-subtitle {
    font-size: 1.18rem;
    max-width: 780px;
  }

  .card {
    padding: 2.4rem;
    border-radius: 1.75rem;
  }

  .email-input-group input {
    font-size: 1.24rem;
  }

  .primary-button,
  .ghost-button,
  .icon-button {
    font-size: 1.04rem;
  }

  .table-container {
    min-height: 640px;
  }

  .empty-state {
    min-height: 540px;
  }

  footer {
    padding: 2.25rem;
  }

  .email-modal {
    padding: 2.25rem;
  }

  .email-modal-content {
    max-width: 940px;
  }

  .modal-header h2 {
    font-size: 1.3rem;
  }

  .email-body {
    padding: 1.9rem;
  }

  .dev-mail-form textarea {
    min-height: 220px;
  }
}

@media (min-width: 3200px) {
  html {
    font-size: 22px;
  }

  .app-container {
    max-width: 1820px;
    padding: 3.8rem 4.25rem 4.25rem;
    gap: 3.1rem;
  }

  header {
    padding: 4.8rem 4.25rem 4rem;
  }

  .logo-title h1 {
    font-size: 3.45rem;
  }

  .logo-title i {
    font-size: 3.6rem;
  }

  .header-subtitle {
    font-size: 1.28rem;
    max-width: 900px;
  }

  .badge {
    font-size: 1rem;
    padding: 0.5rem 1.15rem;
  }

  .card {
    padding: 2.7rem;
  }

  .table-container {
    min-height: 760px;
  }

  .empty-state {
    min-height: 640px;
  }

  .email-modal {
    padding: 2.5rem;
  }

  .email-modal-content {
    max-width: 1040px;
  }

  .modal-header {
    padding: 1.7rem 2rem;
  }

  .modal-header h2 {
    font-size: 1.42rem;
  }

  .email-meta,
  .email-body,
  .attachments,
  .dev-mail-form {
    font-size: 1rem;
  }

  .email-body {
    padding: 2.1rem;
  }

  .modal-actions,
  .attachments,
  .email-meta {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 4000px) {
  html {
    font-size: 24px;
  }

  .app-container {
    max-width: 2200px;
    padding: 4.25rem 4.75rem 4.75rem;
    gap: 3.4rem;
  }

  header {
    padding: 5.25rem 4.75rem 4.2rem;
    border-radius: 2.25rem;
  }

  .logo-title h1 {
    font-size: 3.9rem;
  }

  .logo-title i {
    font-size: 4.1rem;
  }

  .header-subtitle {
    font-size: 1.38rem;
    max-width: 1040px;
  }

  .badge {
    font-size: 1.06rem;
    padding: 0.55rem 1.25rem;
  }

  .card {
    padding: 3rem;
    border-radius: 2rem;
  }

  .table-container {
    min-height: 860px;
  }

  .empty-state {
    min-height: 740px;
  }

  footer {
    padding: 2.75rem;
  }

  .email-modal {
    padding: 2.85rem;
  }

  .email-modal-content {
    max-width: 1160px;
  }

  .modal-header {
    padding: 1.9rem 2.2rem;
  }

  .modal-header h2 {
    font-size: 1.55rem;
  }

  .email-meta,
  .email-body,
  .attachments,
  .dev-mail-form {
    font-size: 1.05rem;
  }

  .email-body {
    padding: 2.35rem;
  }

  .modal-actions,
  .attachments,
  .email-meta {
    padding-left: 2.2rem;
    padding-right: 2.2rem;
  }

  .dev-mail-form textarea {
    min-height: 260px;
  }
}

@media (min-width: 4500px) {
  html {
    font-size: 25px;
  }

  .app-container {
    max-width: 2380px;
    padding: 4.6rem 5.1rem 5.1rem;
    gap: 3.6rem;
  }

  header {
    padding: 5.8rem 5.1rem 4.6rem;
    border-radius: 2.4rem;
  }

  .logo-title h1 {
    font-size: 4.2rem;
  }

  .logo-title i {
    font-size: 4.45rem;
  }

  .header-subtitle {
    font-size: 1.48rem;
    max-width: 1120px;
  }

  .card {
    padding: 3.25rem;
    border-radius: 2.15rem;
  }

  .table-container {
    min-height: 960px;
  }

  .empty-state {
    min-height: 820px;
  }

  .email-modal {
    padding: 3.1rem;
  }

  .email-modal-content {
    max-width: 1260px;
  }

  .modal-header h2 {
    font-size: 1.68rem;
  }

  .email-meta,
  .email-body,
  .attachments,
  .dev-mail-form {
    font-size: 1.1rem;
  }

  .email-body {
    padding: 2.6rem;
  }

  .dev-mail-form textarea {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .app-container { padding: 0.75rem; gap: 1rem; }
  header { padding: 1.5rem 1rem; border-radius: var(--radius-lg); }
  .logo-title h1 { font-size: 1.5rem; }
  .logo-title i { font-size: 1.75rem; }
  .header-subtitle { font-size: 0.8rem; }
  /* .card { padding: 1rem; } */
  .card::before { left: 1rem; right: 1rem; }
  .theme-switch { position: fixed; top: 0.75rem; right: 0.75rem; padding: 0.375rem 0.5rem; }
  .theme-switch i { font-size: 0.75rem; }
  .switch { width: 2.25rem; height: 1.25rem; }
  .slider::before { height: 0.875rem; width: 0.875rem; }
  input:checked + .slider::before { transform: translateX(1rem); }
  .email-controls { gap: 0.75rem; }
  .button-group { flex-direction: column; }
  /* .controls-row { flex-direction: column; } */
  .auto-refresh { flex-wrap: wrap; }
  .domain-selector { flex-wrap: wrap; }

  /* Modal slides up from bottom on mobile */
  .email-modal { padding: 0; align-items: flex-end; }
  .email-modal-content {
    max-height: 92vh; border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    animation: modalSlideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  @keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(100%); }
    to { opacity: 1; transform: translateY(0); }
  }
  .modal-header { padding: 1rem; }
  .modal-actions { padding: 0.5rem 1rem; }
  .email-meta { padding: 0.75rem 1rem; }
  .email-body { padding: 1rem; }
  .shortcut-hint { display: none; }
  .footer-buttons { flex-direction: column; }
  .footer-buttons button { width: 100%; }

  /* Show Mobile FAB */
  .mobile-fab { display: block; }
  .scroll-top-btn { bottom: 5.5rem; }
}

@media (max-width: 400px) {
  .logo-title h1 { font-size: 1.25rem; }
  .header-badges { gap: 0.375rem; }
  .badge { font-size: 0.6875rem; padding: 0.1875rem 0.5rem; }
  .controls-row {  flex-direction: column; }
}

/* ── Print ── */
@media print {
  .theme-switch, .toast-container, .shortcut-hint, header, footer,
  .email-controls, .search-container, .auto-refresh, .inbox-toolbar,
  .mobile-fab, .scroll-top-btn { display: none !important; }
  body { background: white; color: black; }
  body::before { display: none; }
  .card { box-shadow: none; border: 1px solid #ddd; transform: none !important; }
  .card::before { display: none; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Selection ── */
::selection { background: var(--primary-light); color: var(--primary-hover); }

/* ── Loading overlay for page-level operations ── */
.page-loading-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  z-index: 99999; pointer-events: none;
}
.page-loading-bar::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 100%;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  animation: pageLoadBar 1.5s ease-in-out infinite;
}
@keyframes pageLoadBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}