/* ===== APP SHELL ===== */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
  position: relative;
}

.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--fg); }
.nav-item.active { background: var(--accent-glow); color: var(--accent); }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.user-name {
  font-size: 0.82rem;
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg);
}

.view {
  display: none;
  height: 100%;
  flex-direction: column;
  overflow: hidden;
}
.view.active { display: flex; }

.view-header {
  padding: 32px 40px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-shrink: 0;
}

.view-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.view-sub { color: var(--fg-muted); font-size: 0.9rem; }

/* ===== BUTTONS ===== */
.btn-accent {
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.btn-accent:hover { opacity: 0.88; }
.btn-accent:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost-sm {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-family: var(--font);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-ghost-sm:hover { color: var(--fg); border-color: rgba(255,255,255,0.12); }

/* ===== INBOX ===== */
.inbox-filters {
  padding: 16px 40px 0;
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 0.82rem;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { color: var(--fg); border-color: rgba(255,255,255,0.12); }
.filter-btn.active { background: var(--accent-glow); color: var(--accent); border-color: rgba(240,160,80,0.25); }

.conversations-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px 40px 24px;
}

.conversation-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border);
}
.conversation-item:hover { background: rgba(255,255,255,0.02); }
.conversation-item:last-child { border-bottom: none; }

.conv-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid rgba(240,160,80,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.conv-info { flex: 1; min-width: 0; }

.conv-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.conv-guest { font-weight: 600; font-size: 0.95rem; }
.conv-time { font-size: 0.78rem; color: var(--fg-muted); font-family: var(--mono); }
.conv-property { font-size: 0.8rem; color: var(--accent); margin-bottom: 4px; }
.conv-preview { font-size: 0.88rem; color: var(--fg-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.status-badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}
.status-open { background: rgba(240,160,80,0.12); color: var(--accent); }
.status-resolved { background: rgba(100,200,100,0.1); color: #6dcc6d; }

/* ===== CONVERSATION VIEW ===== */
.conversation-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 70%;
}

.message.guest { align-self: flex-start; }
.message.assistant { align-self: flex-end; }

.message-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.message.guest .message-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.message.assistant .message-bubble {
  background: var(--accent-glow);
  border: 1px solid rgba(240,160,80,0.2);
  color: var(--fg);
  border-bottom-right-radius: 4px;
}

.message-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 4px;
  font-family: var(--mono);
}
.message.assistant .message-meta { text-align: right; }

.message-input-area {
  padding: 20px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-shrink: 0;
}

.message-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--font);
  font-size: 0.95rem;
  line-height: 1.5;
  resize: none;
  transition: border-color 0.2s;
  margin-bottom: 12px;
}
.message-input:focus { outline: none; border-color: rgba(240,160,80,0.3); }

.message-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== PROPERTIES VIEW ===== */
.properties-list {
  flex: 1;
  overflow-y: auto;
  padding: 24px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  align-content: start;
}

.property-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}
.property-card:hover { border-color: rgba(240,160,80,0.2); }

.property-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.property-card-addr {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.property-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.property-meta-item {
  font-size: 0.78rem;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.property-card-actions {
  display: flex;
  gap: 8px;
}

/* ===== PROPERTY FORM ===== */
.form-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px 40px 40px;
}

.form-section {
  margin-bottom: 40px;
}

.form-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.form-hint {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 16px;
  margin-top: -12px;
}

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

.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: span 2; }

.form-group label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.select-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--fg);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.select-input:focus { outline: none; border-color: rgba(240,160,80,0.35); }
.form-group textarea { resize: vertical; line-height: 1.6; }

.select-input {
  width: 100%;
  cursor: pointer;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 8px;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.modal {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 36px;
  width: 100%;
  max-width: 480px;
}

.modal-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.modal-sub { color: var(--fg-muted); font-size: 0.9rem; margin-bottom: 24px; }
.modal .form-group { margin-bottom: 16px; }
.modal .form-group label { font-size: 0.78rem; font-weight: 700; letter-spacing: 1px; color: var(--fg-muted); margin-bottom: 6px; display: block; }
.modal .form-group input,
.modal .form-group textarea,
.modal select { width: 100%; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; color: var(--fg); font-family: var(--font); font-size: 0.95rem; }
.modal .form-group input:focus,
.modal .form-group textarea:focus,
.modal select:focus { outline: none; border-color: rgba(240,160,80,0.35); }
.modal select { cursor: pointer; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* ===== EMPTY STATES ===== */
.loading-state, .empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  margin-bottom: 8px;
}

/* ===== AI LOADING ===== */
.ai-typing {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(240,160,80,0.2);
  border-radius: 16px;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
  width: fit-content;
}

.ai-typing span {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: bounce 1.2s infinite ease-in-out;
}
.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar { width: 200px; }
  .view-header { padding: 20px 20px 16px; }
  .conversations-list { padding: 12px 20px; }
  .inbox-filters { padding: 12px 20px 0; }
  .messages-container { padding: 16px 20px; }
  .message-input-area { padding: 16px 20px; }
  .properties-list { padding: 16px 20px; grid-template-columns: 1fr; }
  .form-container { padding: 16px 20px 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: span 1; }
}