/* ─── APP SHELL ─── */
.app-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}

.app-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--fg-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-right: auto;
}

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

.app-nav-links a {
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.app-nav-links a:hover,
.app-nav-links a.active {
  color: var(--fg-primary);
  background: var(--bg-card);
}

.app-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 32px 80px;
  width: 100%;
  flex: 1;
}

/* ─── PAGE HEADER ─── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
}

.page-sub {
  color: var(--fg-secondary);
  font-size: 15px;
}

.back-link {
  display: inline-block;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 8px;
  transition: color 0.2s;
}

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

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #0c0c0f;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.btn-primary.btn-full { width: 100%; justify-content: center; }
.btn-primary.btn-lg { padding: 14px 28px; font-size: 16px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--fg-secondary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--fg-primary);
}

.btn-ghost-sm {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--fg-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost-sm:hover {
  border-color: rgba(212, 148, 58, 0.3);
  color: var(--accent);
}

/* ─── ALERTS ─── */
.alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  color: #86efac;
}

.alert-warn {
  background: rgba(212, 148, 58, 0.12);
  border: 1px solid rgba(212, 148, 58, 0.3);
  color: var(--accent);
}

/* ─── METRICS ─── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 24px;
}

.metric-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--fg-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-num.accent { color: var(--accent); }

.metric-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── SECTIONS ─── */
.section { margin-bottom: 48px; }

.section-heading {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.section-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.link-sm {
  color: var(--accent);
  font-size: 14px;
  text-decoration: none;
}

/* ─── EMPTY STATES ─── */
.empty-state {
  text-align: center;
  padding: 80px 32px;
}

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

.empty-state h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--fg-secondary);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.empty-inline {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--fg-secondary);
  font-size: 15px;
}

.copy-link-block {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.copy-link-block code {
  background: var(--bg-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--fg-primary);
}

/* ─── CONVERSATION LIST ─── */
.conversation-list { display: flex; flex-direction: column; gap: 2px; }

.convo-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}

.convo-row:hover {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.08);
}

.convo-row.escalated { border-color: rgba(212, 148, 58, 0.25); }

.convo-avatar {
  width: 40px;
  height: 40px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.convo-body { flex: 1; min-width: 0; }

.convo-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.convo-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--fg-primary);
}

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

.convo-preview {
  font-size: 13px;
  color: var(--fg-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.convo-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

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

/* ─── BADGES ─── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-warn { background: rgba(212,148,58,0.15); color: var(--accent); }
.badge-ok { background: rgba(34,197,94,0.12); color: #86efac; }
.badge-blue { background: rgba(96,165,250,0.12); color: #93c5fd; }

/* ─── PROPERTY CARDS ─── */
.property-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.property-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}

.property-card:hover { border-color: rgba(212,148,58,0.15); }

.property-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.property-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

.status-dot {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-dot.on { background: rgba(34,197,94,0.12); color: #86efac; }
.status-dot.off { background: rgba(255,255,255,0.05); color: var(--fg-muted); }

.property-detail {
  font-size: 13px;
  color: var(--fg-secondary);
  margin-bottom: 8px;
}

.property-detail.slug code {
  font-size: 12px;
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
}

.property-link-row, .property-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.property-link-url {
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--bg-secondary);
  padding: 4px 10px;
  border-radius: 6px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── THREAD VIEW ─── */
.thread-container {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 24px;
  max-height: 600px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 20px;
}

.thread-msg { display: flex; flex-direction: column; gap: 4px; }

.thread-msg-label {
  font-size: 12px;
  color: var(--fg-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.thread-msg-time { font-weight: 400; font-size: 11px; }

.thread-msg-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-primary);
  padding: 12px 16px;
  border-radius: 10px;
  max-width: 80%;
}

.thread-msg.guest .thread-msg-content {
  background: var(--bg-secondary);
  align-self: flex-end;
}

.thread-msg.ai .thread-msg-content {
  background: rgba(212,148,58,0.08);
  border: 1px solid rgba(212,148,58,0.12);
}

.thread-msg.host .thread-msg-content {
  background: rgba(96,165,250,0.08);
  border: 1px solid rgba(96,165,250,0.12);
}

.thread-meta {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--fg-secondary);
}

.empty-thread { color: var(--fg-muted); text-align: center; padding: 40px; }

/* ─── AUTH ─── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-container { width: 100%; max-width: 400px; }

.auth-logo {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--fg-primary);
  text-decoration: none;
  text-align: center;
  margin-bottom: 32px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 40px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.auth-sub {
  color: var(--fg-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.auth-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--fg-muted);
  text-align: center;
}

/* ─── FORMS ─── */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group small {
  font-size: 12px;
  color: var(--fg-muted);
  font-weight: 400;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-primary);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  transition: border-color 0.2s;
  width: 100%;
  resize: vertical;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--fg-muted);
}

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

/* ─── SETUP FORM ─── */
.setup-form { display: flex; flex-direction: column; gap: 0; }

.form-section {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-section-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 15px;
}

.toggle-label input[type="checkbox"] { display: none; }

.toggle-track {
  width: 40px;
  height: 22px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle-label input:checked + .toggle-track { background: var(--accent); }

.toggle-track::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
}

.toggle-label input:checked + .toggle-track::after { transform: translateX(18px); }

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

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}

.accent-link { color: var(--accent); text-decoration: none; }
.accent-link:hover { text-decoration: underline; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .app-nav { padding: 0 16px; }
  .app-main { padding: 24px 16px 60px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .thread-meta { flex-direction: column; gap: 8px; }
  .convo-row { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .metric-card { padding: 16px; }
  .metric-num { font-size: 28px; }
  .auth-card { padding: 24px; }
  .form-section { padding: 20px; }
}