/* ===== SHARED APP STYLES — uses theme tokens from theme.css ===== */

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
  background: var(--bg-subtle);
  color: var(--fg);
}

.nav-link.active {
  color: var(--accent);
}

.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* Cards */
.card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-subtle); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0f;
}

.btn-primary:hover { background: #4de06d; }

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--accent-dim); color: var(--accent); }

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--fg-muted);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
}

.form-textarea { resize: vertical; min-height: 100px; }

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

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-active { background: rgba(92, 255, 126, 0.15); color: var(--accent); }
.badge-draft { background: rgba(138, 138, 154, 0.15); color: var(--fg-muted); }
.badge-sent { background: rgba(92, 144, 255, 0.15); color: #5c90ff; }
.badge-replied { background: rgba(92, 255, 126, 0.15); color: var(--accent); }
.badge-opened { background: rgba(255, 180, 92, 0.15); color: #ffb45c; }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--fg-muted); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--fg-muted);
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--fg);
}

/* Toast / alerts */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--accent);
  color: #0a0a0f;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 999;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .app-nav { padding: 12px 16px; }
  .nav-links { gap: 4px; }
  .nav-link { padding: 6px 10px; font-size: 0.8rem; }
}