@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ═══════════════════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════════════════ */
:root {
  --bg-primary: #070d16;
  --bg-secondary: #0d1928;
  --bg-card: rgba(15, 30, 52, 0.85);
  --bg-card-hover: rgba(20, 40, 68, 0.95);
  --bg-glass: rgba(255,255,255,0.04);
  --bg-glass-hover: rgba(255,255,255,0.07);
  
  --accent-blue: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-teal: #0d9488;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --accent-indigo: #4f46e5;
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --text-accent: #38bdf8;
  
  --border: rgba(255,255,255,0.08);
  --border-accent: rgba(37,99,235,0.4);
  
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 30px rgba(37,99,235,0.15);
  
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ═══════════════════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background grid lines */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════════════════════
   SCROLLBAR
═══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(37,99,235,0.4); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* ═══════════════════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════════════════ */
#app { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ═══════════════════════════════════════════════════════════
   TOPBAR
═══════════════════════════════════════════════════════════ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(7,13,22,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.topbar-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 20px rgba(37,99,235,0.4);
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, var(--text-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.topbar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

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

.status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-dot.idle { background: var(--accent-amber); box-shadow: 0 0 8px var(--accent-amber); }
.status-dot.error { background: var(--accent-red); box-shadow: 0 0 8px var(--accent-red); animation: none; }

@keyframes pulse-dot {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ═══════════════════════════════════════════════════════════
   STATS BAR
═══════════════════════════════════════════════════════════ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  background: var(--bg-secondary);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.stat-item:hover { background: var(--bg-card); }

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.stat-icon.blue { background: rgba(37,99,235,0.15); }
.stat-icon.cyan { background: rgba(6,182,212,0.15); }
.stat-icon.green { background: rgba(16,185,129,0.15); }
.stat-icon.amber { background: rgba(245,158,11,0.15); }
.stat-icon.purple { background: rgba(139,92,246,0.15); }

.stat-info { min-width: 0; }
.stat-value { font-size: 20px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ═══════════════════════════════════════════════════════════
   MAIN LAYOUT
═══════════════════════════════════════════════════════════ */
.main-layout { display: flex; flex: 1; overflow: hidden; height: calc(100vh - 108px); }

/* ─── Sidebar ─── */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 8px 2px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(37,99,235,0.12);
  border-color: rgba(37,99,235,0.25);
  color: #60a5fa;
}

.nav-item .nav-icon { font-size: 15px; flex-shrink: 0; width: 20px; text-align: center; }
.nav-item .nav-label { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-badge {
  font-size: 10px;
  font-weight: 700;
  background: var(--accent-red);
  color: #fff;
  border-radius: 99px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

/* ─── Content ─── */
.content-area { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

/* ═══════════════════════════════════════════════════════════
   WORKBOOK VIEW
═══════════════════════════════════════════════════════════ */
.workbook-header {
  padding: 16px 24px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

.workbook-title-area { display: flex; flex-direction: column; gap: 2px; }
.workbook-title { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.workbook-desc { font-size: 12px; color: var(--text-muted); }

.workbook-controls { display: flex; align-items: center; gap: 8px; }

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  transition: var(--transition);
}

.search-box:focus-within { border-color: var(--accent-blue); background: rgba(37,99,235,0.06); }

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  width: 200px;
  font-family: inherit;
}

.search-box input::placeholder { color: var(--text-muted); }

/* Subtabs */
.subtabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}

.subtabs::-webkit-scrollbar { display: none; }

.subtab-btn {
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
}

.subtab-btn:hover { background: var(--bg-glass); color: var(--text-primary); }
.subtab-btn.active { background: rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.4); color: #60a5fa; }

/* ─── Data Grid ─── */
.data-grid-container { flex: 1; overflow: auto; padding: 16px 24px; }

.data-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.data-grid thead th {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.data-grid thead th:hover {
  color: var(--accent-blue);
  background: rgba(99, 102, 241, 0.08);
  transition: all 0.15s ease;
}

.data-grid thead th.sort-active {
  color: var(--accent-blue);
  background: rgba(99, 102, 241, 0.1);
}

.data-grid thead th .sort-arrow {
  transition: opacity 0.15s ease;
}

.data-grid tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.03);
  cursor: pointer;
  transition: var(--transition);
}

.data-grid tbody tr:hover { background: var(--bg-glass-hover); }

.data-grid tbody td {
  padding: 10px 12px;
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-grid tbody td:first-child { color: var(--text-primary); font-weight: 500; }

.data-grid .tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-blue { background: rgba(37,99,235,0.15); color: #60a5fa; }
.tag-green { background: rgba(16,185,129,0.15); color: #34d399; }
.tag-amber { background: rgba(245,158,11,0.15); color: #fbbf24; }
.tag-red { background: rgba(239,68,68,0.15); color: #f87171; }
.tag-cyan { background: rgba(6,182,212,0.15); color: #22d3ee; }
.tag-purple { background: rgba(139,92,246,0.15); color: #a78bfa; }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 48px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-secondary); }
.empty-state p { font-size: 13px; max-width: 360px; }

/* ═══════════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 20px rgba(37,99,235,0.3);
}
.btn-primary:hover { background: #1d4ed8; box-shadow: 0 0 30px rgba(37,99,235,0.5); }

.btn-secondary {
  background: var(--bg-glass);
  border-color: var(--border);
  color: var(--text-secondary);
}
.btn-secondary:hover { background: var(--bg-glass-hover); color: var(--text-primary); border-color: rgba(255,255,255,0.12); }

.btn-success {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.3);
  color: var(--accent-green);
}
.btn-success:hover { background: rgba(16,185,129,0.25); }

.btn-danger {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: #f87171;
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }

.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; border-radius: var(--radius-sm); }

/* Loading spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

/* ═══════════════════════════════════════════════════════════
   MODAL (Email Popup Viewer)
═══════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  width: 100%;
  max-width: 800px;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  display: flex;
  flex-direction: column;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}

.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title { font-size: 15px; font-weight: 700; }
.modal-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.modal-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
.modal-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; flex-shrink: 0; }

.email-body-display {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.meta-item { display: flex; flex-direction: column; gap: 3px; }
.meta-key { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.meta-val { font-size: 13px; color: var(--text-primary); font-weight: 500; }

/* ═══════════════════════════════════════════════════════════
   ADMIN PANEL MODAL
═══════════════════════════════════════════════════════════ */
.admin-modal {
  max-width: 900px;
  max-height: 90vh;
}

.admin-tabs {
  display: flex;
  gap: 4px;
  padding: 16px 24px 0;
  border-bottom: 1px solid var(--border);
}

.admin-tab-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  background: transparent;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
  margin-bottom: -1px;
}

.admin-tab-btn:hover { color: var(--text-secondary); }
.admin-tab-btn.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); }

.admin-tab-content { display: none; padding: 20px 0; }
.admin-tab-content.active { display: block; }

/* Form elements */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-blue);
  background: rgba(37,99,235,0.05);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-select { cursor: pointer; }
.form-select option { background: var(--bg-secondary); }
.form-textarea { resize: vertical; min-height: 80px; font-family: 'JetBrains Mono', monospace; font-size: 12px; }

.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

/* Account list */
.account-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  transition: var(--transition);
}

.account-card:hover { background: var(--bg-glass-hover); border-color: rgba(255,255,255,0.1); }

.account-avatar {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.account-info { flex: 1; min-width: 0; }
.account-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.account-meta { font-size: 11px; color: var(--text-muted); }

.scope-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════════════════════
   SIMULATOR PANEL
═══════════════════════════════════════════════════════════ */
.simulator-section {
  background: rgba(139,92,246,0.05);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 16px;
}

.simulator-title {
  font-size: 14px;
  font-weight: 700;
  color: #a78bfa;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sim-result {
  margin-top: 16px;
  padding: 14px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.sim-result.success { border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.04); }
.sim-result.error { border-color: rgba(239,68,68,0.3); background: rgba(239,68,68,0.04); }

/* ═══════════════════════════════════════════════════════════
   LOG VIEWER
═══════════════════════════════════════════════════════════ */
.log-viewer {
  max-height: 350px;
  overflow-y: auto;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
}

.log-entry {
  display: flex;
  gap: 12px;
  padding: 6px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  line-height: 1.5;
}

.log-entry:hover { background: rgba(255,255,255,0.02); }
.log-time { color: var(--text-muted); flex-shrink: 0; min-width: 140px; }
.log-level { flex-shrink: 0; min-width: 50px; font-weight: 700; }
.log-level.INFO { color: #60a5fa; }
.log-level.WARN { color: #fbbf24; }
.log-level.ERROR { color: #f87171; }
.log-msg { color: var(--text-secondary); flex: 1; }

/* ═══════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
═══════════════════════════════════════════════════════════ */
#toast-container {
  position: fixed;
  top: 70px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-card);
  animation: slide-in 0.25s ease-out forwards;
}

.toast.success { border-color: rgba(16,185,129,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }
.toast.info { border-color: rgba(37,99,235,0.4); }

@keyframes slide-in { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slide-out { to { opacity: 0; transform: translateX(30px); } }

/* ═══════════════════════════════════════════════════════════
   LOADING OVERLAY
═══════════════════════════════════════════════════════════ */
#loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(7,13,22,0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

#loading-overlay.active { opacity: 1; pointer-events: all; }

.loading-spinner-lg {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(37,99,235,0.2);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text { font-size: 14px; color: var(--text-secondary); }

/* ═══════════════════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════════════════ */
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fade-in 0.25s ease-out forwards; }

/* ═══════════════════════════════════════════════════════════
   SAMPLE EMAILS DROPDOWN
═══════════════════════════════════════════════════════════ */
.sample-emails {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.sample-email-btn {
  padding: 8px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  font-family: inherit;
  color: var(--text-secondary);
  font-size: 12px;
}

.sample-email-btn:hover { background: var(--bg-glass-hover); color: var(--text-primary); border-color: var(--border-accent); }

.sample-email-btn .se-category {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .sidebar { width: 190px; }
}

@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .sidebar { display: none; }
  .topbar-subtitle { display: none; }
  .meta-grid { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}