/* ─── APP SHELL ─── */
.app-body {
  background: var(--bg);
  min-height: 100vh;
}

.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-brand-icon {
  color: var(--accent);
  font-size: 20px;
}

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-link {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--fg-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-user {
  font-size: 13px;
  color: var(--fg-muted);
}

.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: #e8b84e;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212, 165, 68, 0.3);
}

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

.btn-secondary:hover {
  border-color: rgba(212, 165, 68, 0.3);
  background: var(--bg-card);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-ghost-sm {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost-sm:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.15);
}

/* ─── CARDS ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.card:hover {
  border-color: rgba(212, 165, 68, 0.15);
}

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

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: rgba(212, 165, 68, 0.4);
  box-shadow: 0 0 0 3px rgba(212, 165, 68, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.form-hint {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 5px;
}

.form-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: #f87171;
  margin-bottom: 20px;
}

/* ─── PAGE HEADER ─── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ─── DASHBOARD GRID ─── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* ─── LISTING CARDS ─── */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.listing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  text-decoration: none;
  color: var(--fg);
  display: block;
  transition: all 0.2s;
}

.listing-card:hover {
  border-color: rgba(212, 165, 68, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.listing-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.listing-address {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.listing-stats {
  display: flex;
  gap: 16px;
}

.listing-stat {
  font-size: 12px;
  color: var(--fg-muted);
}

.listing-stat strong {
  color: var(--accent);
  font-family: var(--font-display);
}

/* ─── EMPTY STATE ─── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--fg-muted);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 8px;
}

/* ─── MESSAGES ─── */
.message-thread {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.message-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.message-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.message-guest {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
}

.message-time {
  font-size: 12px;
  color: var(--fg-muted);
}

.message-body {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.message-response {
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
}

.message-response-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.message-response-text {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ─── PRICING ─── */
.pricing-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.pricing-row:last-child {
  border-bottom: none;
}

.pricing-label {
  font-size: 13px;
  color: var(--fg-muted);
}

.pricing-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.pricing-current {
  color: var(--fg);
}

.pricing-suggested {
  color: var(--accent);
}

.pricing-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pricing-badge-up {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
}

.pricing-badge-down {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* ─── SIMULATE FORM ─── */
.simulate-section {
  margin-top: 32px;
}

.simulate-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.simulate-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

#simulate-form .btn {
  margin-top: 8px;
}

#simulate-result {
  margin-top: 20px;
}

#simulate-result.hidden { display: none; }

/* ─── AUTH ─── */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}

.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}

.auth-brand-icon {
  font-size: 32px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.auth-brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}

.auth-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 28px;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--fg-muted);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
}

/* ─── TAGS / BADGES ─── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}

.tag-accent {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(212, 165, 68, 0.2);
}

/* ─── SECTION HEADING ─── */
.section-heading {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ─── DETAIL ROW ─── */
.detail-row {
  margin-bottom: 20px;
}

.detail-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.detail-value {
  font-size: 14px;
  color: var(--fg);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ─── SPINNER ─── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(212, 165, 68, 0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

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

/* ─── BACK LINK ─── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--fg); }

/* ─── RESPONSIVE ─── */
@media (max-width: 640px) {
  .app-main { padding: 24px 16px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .listings-grid { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
}