/* ============================================================
   Bellevue University Cloud & AI Chat — Blu UI
   Colors: Navy #002855 | Gold #c8a951 | BG #0a0a0a
   ============================================================ */

:root {
  --bg:           #0a0a0a;
  --bg-surface:   #111111;
  --bg-card:      #181818;
  --navy:         #002855;
  --navy-hover:   #003575;
  --gold:         #c8a951;
  --gold-muted:   #96812e;
  --gold-dim:     #7a6825;
  --text:         #e5e2db;
  --text-muted:   #7a7870;
  --user-bubble:  #1c1c1c;
  --border:       #252525;
  --border-light: #2e2e2e;
  --radius-lg:    20px;
  --radius-md:    12px;
  --radius-sm:    8px;
  --font-serif:   Georgia, 'Times New Roman', serif;
  --font-sans:    -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --transition:   0.15s ease;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Bear animation ─────────────────────────────────────────── */
@keyframes bearBob {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50%       { transform: translateY(-6px) rotate(1deg); }
}

/* ── Page layout ────────────────────────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 720px;
  margin: 0 auto;
}

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bear-header {
  font-size: 30px;
  display: inline-block;
  animation: bearBob 3s ease-in-out infinite;
  line-height: 1;
}

.header-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.header-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: normal;
  color: var(--gold);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.header-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* ── Chat main ──────────────────────────────────────────────── */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 28px 20px 16px;
  scroll-behavior: smooth;
}

.chat-container::-webkit-scrollbar { width: 4px; }
.chat-container::-webkit-scrollbar-track { background: transparent; }
.chat-container::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 2px;
}

/* ── Message list ───────────────────────────────────────────── */
.message-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.message {
  display: flex;
  gap: 10px;
  max-width: 100%;
}

.message.assistant {
  align-items: flex-start;
}

.message.user {
  justify-content: flex-end;
}

/* Bear avatar beside AI messages */
.bear-avatar {
  font-size: 22px;
  display: inline-block;
  animation: bearBob 3s ease-in-out infinite;
  flex-shrink: 0;
  margin-top: 4px;
  line-height: 1;
}

/* Message bubbles */
.message-bubble {
  padding: 12px 16px;
  max-width: 78%;
  word-break: break-word;
  font-size: 15px;
  line-height: 1.65;
}

.message.assistant .message-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-top-left-radius: var(--radius-sm);
  color: var(--gold);
  font-family: var(--font-serif);
}

.message.user .message-bubble {
  background: var(--user-bubble);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
}

/* ── Thinking indicator ─────────────────────────────────────── */
.thinking-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0 10px;
  margin-top: 4px;
}

.thinking-text {
  color: var(--text-muted);
  font-style: italic;
  font-size: 14px;
  font-family: var(--font-serif);
}

/* ── Consent form ───────────────────────────────────────────── */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.consent-form-wrapper {
  margin-top: 16px;
  animation: slideDown 0.3s ease-out;
}

.consent-form-inner {
  background: var(--bg-card);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-md);
  padding: 22px;
}

.consent-form-title {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 8px;
}

.consent-form-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
}

.consent-form-inner label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
  margin-top: 14px;
}

.consent-form-inner label:first-of-type {
  margin-top: 0;
}

.consent-form-inner input[type="text"],
.consent-form-inner input[type="email"] {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: var(--font-sans);
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition);
}

.consent-form-inner input:focus {
  border-color: var(--gold-muted);
}

.consent-form-inner input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.consent-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
}

.btn-primary {
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--gold-muted);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
  transition: color var(--transition);
}

.btn-link:hover {
  color: var(--text);
}

/* ── Input bar ──────────────────────────────────────────────── */
.input-bar {
  padding: 12px 20px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.chat-form {
  display: flex;
}

.chat-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 26px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font-sans);
  padding: 12px 22px;
  outline: none;
  transition: border-color var(--transition);
}

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

.chat-input:focus {
  border-color: var(--gold-dim);
}

.chat-input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  padding: 9px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.footer-dot {
  opacity: 0.35;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--gold);
}

/* ── Success message ────────────────────────────────────────── */
.lead-success {
  color: #6ec97a;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .message-bubble {
    max-width: 88%;
  }
  .page-wrapper {
    max-width: 100%;
  }
  .header-sub {
    display: none;
  }
}