/* App shell styles — extends landing theme.css */

.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.app-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}
.app-nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.app-nav-brand .logo-text {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.app-nav-links { display: flex; align-items: center; gap: 8px; }
.app-nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.15s;
}
.app-nav-link:hover { color: var(--navy); background: var(--gray-50); }
.app-nav-link.active { color: var(--navy); font-weight: 600; background: var(--gray-50); }
.app-nav-link.muted { color: var(--gray-400); }

.app-main { max-width: 1140px; margin: 0 auto; padding: 48px 32px; }

/* Page header */
.page-header { margin-bottom: 40px; }
.page-header h1 { font-size: 28px; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.page-header p { font-size: 16px; color: var(--gray-500); }

/* Form styles */
.app-form { max-width: 640px; }
.form-group { margin-bottom: 24px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-label span { color: var(--orange); }
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 11px 14px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  transition: border-color 0.15s;
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,125,45,0.12);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: 12px; color: var(--gray-400); margin-top: 4px; }

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--orange);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 14px rgba(255,125,45,0.35);
  font-family: 'Inter', sans-serif;
}
.btn-submit:hover { background: var(--orange-hover); box-shadow: 0 6px 20px rgba(255,125,45,0.45); transform: translateY(-1px); }
.btn-submit:active { transform: scale(0.98); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-submit.loading::after { content: '…'; }

/* Loading state */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 32px;
  text-align: center;
}
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.loading-state p { font-size: 14px; color: var(--gray-500); }

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.status-pending { background: #FEF3C7; color: #92400E; }
.status-sourced { background: #DBEAFE; color: #1E40AF; }
/* Empty state */
.empty-state {
  text-align: center;
  padding: 80px 32px;
}
.empty-state-icon {
  width: 64px;
  height: 64px;
  background: var(--gray-100);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
}
.empty-state h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--gray-500); max-width: 400px; margin: 0 auto 24px; }

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 24px;
}
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }

/* Dashboard search rows */
.search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.15s;
}
.search-row:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); border-color: var(--orange); }
.search-row-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.search-row-meta { font-size: 13px; color: var(--gray-500); }
.search-row-right { display: flex; align-items: center; }

/* Responsive */
@media (max-width: 768px) {
  .app-main { padding: 32px 20px; }
  .form-group { margin-bottom: 20px; }
}