/* ─── DeskWren App Styles ─── */
/* Matches landing page design tokens */

:root {
  --ink: #0f1419;
  --smoke: #536471;
  --whisper: #e7ecf0;
  --glow: #d4f542;
  --glow-dark: #b8d936;
  --bone: #fafbfc;
  --white: #ffffff;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--ink);
  background: var(--bone);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.15;
}

/* ─── App Layout ─── */
.app-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250, 251, 252, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--whisper);
}

.app-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.app-nav .logo-icon {
  width: 26px;
  height: 26px;
  background: var(--glow);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--smoke);
  text-decoration: none;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  transition: all 0.15s;
}

.nav-links a:hover {
  background: var(--whisper);
  color: var(--ink);
}

.nav-links a.active {
  background: var(--ink);
  color: var(--white);
}

/* ─── Main Content ─── */
.app-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 5.5rem 2rem 3rem;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

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

/* ─── Stats Grid ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--whisper);
  border-radius: 12px;
  padding: 1.25rem;
}

.stat-card .stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--smoke);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
}

.stat-card .stat-value.glow { color: var(--glow-dark); }
.stat-card .stat-value.danger { color: var(--danger); }

/* ─── Section Headers ─── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

/* ─── Buttons ─── */
.btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.55rem 1.25rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: #1a2029;
}

.btn-glow {
  background: var(--glow);
  color: var(--ink);
  font-weight: 600;
}

.btn-glow:hover {
  background: var(--glow-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--smoke);
  border: 1px solid var(--whisper);
}

.btn-ghost:hover {
  background: var(--whisper);
  color: var(--ink);
}

.btn-success {
  background: var(--success);
  color: var(--white);
}

.btn-success:hover {
  background: #16a34a;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.btn-danger:hover {
  background: #fef2f2;
}

.btn-sm {
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
}

/* ─── Inquiry Cards ─── */
.inquiry-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.inquiry-card {
  background: var(--white);
  border: 1px solid var(--whisper);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: all 0.15s;
}

.inquiry-card:hover {
  border-color: #d0d5da;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.inquiry-card.expanded {
  border-color: var(--glow-dark);
}

.inquiry-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.inquiry-sender {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.inquiry-sender .name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

.inquiry-sender .email {
  font-size: 0.8rem;
  color: var(--smoke);
}

.inquiry-subject {
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  color: var(--ink);
}

.inquiry-preview {
  font-size: 0.85rem;
  color: var(--smoke);
  margin-top: 0.35rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.inquiry-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-shrink: 0;
}

.status-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
}

.status-badge.new {
  background: #dbeafe;
  color: #1d4ed8;
}

.status-badge.draft_ready {
  background: #fef3c7;
  color: #92400e;
}

.status-badge.responded {
  background: #dcfce7;
  color: #166534;
}

.inquiry-time {
  font-size: 0.78rem;
  color: var(--smoke);
  white-space: nowrap;
}

/* ─── Expanded Inquiry ─── */
.inquiry-detail {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--whisper);
}

.inquiry-card.expanded .inquiry-detail {
  display: block;
}

.inquiry-body {
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  white-space: pre-wrap;
  background: var(--bone);
  padding: 1rem;
  border-radius: 8px;
}

.response-section {
  margin-top: 1rem;
}

.response-section h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--smoke);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.response-body {
  background: var(--bone);
  border: 1px solid var(--whisper);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.response-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* ─── Demo Panel ─── */
.demo-panel {
  background: var(--ink);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  color: var(--white);
}

.demo-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.demo-panel p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.25rem;
}

.demo-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.demo-form .full-width {
  grid-column: 1 / -1;
}

.demo-form input,
.demo-form textarea {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: var(--white);
  width: 100%;
  transition: border-color 0.15s;
}

.demo-form input::placeholder,
.demo-form textarea::placeholder {
  color: rgba(255,255,255,0.35);
}

.demo-form input:focus,
.demo-form textarea:focus {
  outline: none;
  border-color: var(--glow);
}

.demo-form textarea {
  min-height: 80px;
  resize: vertical;
}

.demo-form .form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

/* ─── Settings Form ─── */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-section {
  background: var(--white);
  border: 1px solid var(--whisper);
  border-radius: 12px;
  padding: 1.5rem;
}

.form-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--whisper);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--smoke);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--whisper);
  border-radius: 8px;
  background: var(--bone);
  color: var(--ink);
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--glow-dark);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem;
  background: var(--bone);
  border-radius: 8px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--whisper);
  border-radius: 24px;
  transition: 0.2s;
}

.toggle-slider:before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--glow-dark);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

.toggle-text .toggle-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.toggle-text .toggle-desc {
  font-size: 0.8rem;
  color: var(--smoke);
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ─── Toast Messages ─── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--ink);
  color: var(--white);
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: #166534;
}

.toast.error {
  background: var(--danger);
}

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--smoke);
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ─── Loading ─── */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--whisper);
  border-top-color: var(--glow-dark);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: var(--smoke);
  font-size: 0.9rem;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .app-nav { padding: 0.75rem 1rem; }
  .app-main { padding: 5rem 1rem 2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-form { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .inquiry-top { flex-direction: column; }
  .inquiry-meta { margin-top: 0.5rem; }
}