/* ═══════════════════════════════════════════════════════════════════
   NYC Property Intel — Chat Page Styles
   All CSS variables come from style.css (loaded first in chat.html)
   ═══════════════════════════════════════════════════════════════════ */

/* ── Page layout ──────────────────────────────────────────────────── */

.chat-page {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - 64px);
  overflow: hidden;
}

.chat-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ── Sidebar ──────────────────────────────────────────────────────── */

.chat-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 1.25rem 1rem;
  gap: 1.25rem;
}

.chat-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.chat-sidebar-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chat-new-btn {
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.chat-new-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Suggestion pills ─────────────────────────────────────────────── */

.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chat-suggestions-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 0.25rem;
}

.chat-suggestion-pill {
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  line-height: 1.4;
}

.chat-suggestion-pill:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-subtle);
}

/* ── Auth status badge ────────────────────────────────────────────── */

.chat-auth-status {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.chat-auth-status .auth-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.auth-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.auth-dot.anon   { background: var(--text-muted); }
.auth-dot.active { background: #22c55e; }
.auth-dot.expired { background: #ef4444; }

/* ── Main chat area ───────────────────────────────────────────────── */

.chat-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

/* ── Message list ─────────────────────────────────────────────────── */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scroll-behavior: smooth;
}

/* ── Welcome state ────────────────────────────────────────────────── */

.chat-welcome {
  margin: auto;
  text-align: center;
  max-width: 480px;
  padding: 2rem 1rem;
}

.chat-welcome-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
}

.chat-welcome-sub {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin: 0;
  line-height: 1.6;
}

.welcome-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.25rem;
}

/* ── Message bubbles ──────────────────────────────────────────────── */

.chat-message {
  max-width: 100%;
  line-height: 1.7;
  animation: msg-in 0.15s ease;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-message-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
  font-size: 0.9375rem;
  max-width: min(600px, 85%);
  word-break: break-word;
}

.chat-message-assistant {
  align-self: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  border-radius: 4px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  font-size: 0.9375rem;
  color: var(--text-primary);
  width: 100%;
  max-width: 860px;
  position: relative;
}

/* Blinking cursor while streaming */
.chat-message-assistant.streaming::after {
  content: "▋";
  animation: blink 0.7s step-start infinite;
  color: var(--accent);
  font-size: 0.85em;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ── Markdown inside assistant messages ───────────────────────────── */

.chat-message-assistant p  { margin: 0 0 0.75rem; }
.chat-message-assistant p:last-child { margin-bottom: 0; }

.chat-message-assistant h1,
.chat-message-assistant h2,
.chat-message-assistant h3 {
  color: var(--text-primary);
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  line-height: 1.3;
}

.chat-message-assistant h1:first-child,
.chat-message-assistant h2:first-child,
.chat-message-assistant h3:first-child { margin-top: 0; }

.chat-message-assistant ul,
.chat-message-assistant ol {
  padding-left: 1.5rem;
  margin: 0 0 0.75rem;
}

.chat-message-assistant li { margin-bottom: 0.25rem; }

.chat-message-assistant strong { color: var(--text-primary); font-weight: 600; }

.chat-message-assistant code {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.1em 0.35em;
}

.chat-message-assistant pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.chat-message-assistant pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.8125rem;
}

.chat-message-assistant table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 0.75rem 0;
  display: block;
  overflow-x: auto;
}

.chat-message-assistant th {
  text-align: left;
  padding: 0.45rem 0.75rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.chat-message-assistant td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

.chat-message-assistant tr:last-child td { border-bottom: none; }

.chat-message-assistant hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

/* ── Tool indicator ───────────────────────────────────────────────── */

.chat-tool-indicator {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
}

.tool-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ── Thinking indicator ───────────────────────────────────────────── */

.chat-thinking {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px var(--radius-lg) var(--radius-lg) var(--radius-lg);
}

.chat-thinking .dot {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}

.chat-thinking .dot:nth-child(2) { animation-delay: 0.2s; }
.chat-thinking .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40%           { transform: translateY(-5px); opacity: 1; }
}

/* ── System / error messages ──────────────────────────────────────── */

.chat-message-system {
  align-self: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 480px;
}

.chat-message-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  color: #fca5a5;
}

/* ── Email gate ───────────────────────────────────────────────────── */

.chat-gate {
  align-self: stretch;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  max-width: 520px;
}

.chat-gate-heading {
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.3rem;
  font-size: 0.9375rem;
}

.chat-gate-sub {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0 0 0.875rem;
  line-height: 1.5;
}

.chat-gate-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chat-gate-input {
  flex: 1;
  min-width: 180px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  padding: 0.55rem 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

.chat-gate-input:focus { border-color: var(--accent); }

.chat-gate-input::placeholder { color: var(--text-muted); }

.chat-gate-error {
  font-size: 0.8rem;
  color: #fca5a5;
  margin: 0.4rem 0 0;
  min-height: 1em;
}

.gate-submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, opacity 0.15s;
  flex-shrink: 0;
}

.gate-submit-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.gate-submit-btn:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ── Input area ───────────────────────────────────────────────────── */

.chat-input-area {
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem 1rem;
  background: var(--bg-primary);
  flex-shrink: 0;
}

.chat-form {
  display: flex;
  gap: 0.625rem;
  align-items: flex-end;
}

.chat-textarea {
  flex: 1;
  min-height: 44px;
  max-height: 180px;
  resize: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  padding: 0.625rem 0.875rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  overflow-y: hidden;
}

.chat-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.chat-textarea::placeholder { color: var(--text-muted); }

.chat-send-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s;
}

.chat-send-btn:hover:not(:disabled) { background: var(--accent-hover); }

.chat-send-btn:disabled {
  background: var(--bg-card-hover);
  cursor: not-allowed;
}

.chat-disclaimer {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0.45rem 0 0;
}

.chat-disclaimer a { color: var(--text-muted); text-decoration: underline; }

/* ── Counter badge ────────────────────────────────────────────────── */

.free-counter {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 0.25rem;
}

.free-counter span {
  color: var(--accent);
  font-weight: 600;
}

/* ── Mobile ───────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }

  .chat-sidebar {
    display: none;
    position: fixed;
    inset: 64px 0 0;
    z-index: 200;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 60vh;
    overflow-y: auto;
  }

  .chat-sidebar.open {
    display: flex;
  }

  .chat-messages {
    padding: 1rem;
  }

  .chat-input-area {
    padding: 0.75rem;
  }

  .chat-message-user {
    max-width: 90%;
  }

  .chat-gate {
    max-width: 100%;
  }

  /* iOS: prevent textarea zoom */
  .chat-textarea {
    font-size: 16px;
  }

  .chat-gate-input {
    font-size: 16px;
  }
}