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

:root {
  --bg: #f7f8f6;
  --surface: #ffffff;
  --border: rgba(0,0,0,0.1);
  --border-strong: rgba(0,0,0,0.18);
  --text-primary: #16211c;
  --text-secondary: #5a6b63;
  --text-tertiary: #9aada5;
  --teal: #1D9E75;
  --teal-light: #E1F5EE;
  --teal-dark: #0F6E56;
  --teal-deeper: #085041;
  --input-bg: #f2f5f3;
  --msg-bot-bg: #f2f5f3;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1612;
    --surface: #161f1a;
    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.15);
    --text-primary: #e8f0ec;
    --text-secondary: #8aada0;
    --text-tertiary: #4d6b5e;
    --teal-light: #0a2e20;
    --teal-deeper: #9FE1CB;
    --input-bg: #1c2820;
    --msg-bot-bg: #1c2820;
  }
}

html, body { height: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem 4rem;
}

.page { width: 100%; max-width: 680px; }

/* ── Hero ── */
.hero { margin-bottom: 2rem; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500;
  color: var(--teal-dark); background: var(--teal-light);
  border-radius: 20px; padding: 4px 12px; margin-bottom: 1rem;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.hero-name { font-size: 28px; font-weight: 600; letter-spacing: -0.5px; color: var(--text-primary); }
.hero-title { font-size: 15px; color: var(--text-secondary); margin-top: 5px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 14px; }
.meta-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary); }
.meta-item svg { flex-shrink: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  font-size: 11px; font-weight: 500;
  color: var(--teal-dark); background: var(--teal-light);
  border-radius: 20px; padding: 3px 11px;
}

/* ── Chat card ── */
.chat-card {
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.chat-header {
  padding: 1rem 1.25rem;
  border-bottom: 0.5px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: #fff; flex-shrink: 0;
}
.header-name { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.header-status { font-size: 12px; color: var(--teal); display: flex; align-items: center; gap: 4px; margin-top: 2px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.header-right { margin-left: auto; font-size: 18px; color: var(--text-tertiary); }

/* ── Messages ── */
.messages {
  padding: 1.25rem;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 360px; max-height: 440px;
  overflow-y: auto;
  scroll-behavior: smooth;
}
.messages::-webkit-scrollbar { width: 4px; }
.messages::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

.msg { max-width: 88%; display: flex; flex-direction: column; gap: 3px; }
.msg.bot { align-self: flex-start; }
.msg.user { align-self: flex-end; }

.bubble {
  padding: 10px 15px;
  font-size: 14px; line-height: 1.6;
  white-space: pre-wrap;
}
.msg.bot .bubble {
  background: var(--msg-bot-bg); color: var(--text-primary);
  border-radius: var(--radius-lg); border-bottom-left-radius: 4px;
}
.msg.user .bubble {
  background: var(--teal); color: #fff;
  border-radius: var(--radius-lg); border-bottom-right-radius: 4px;
}
.msg-time { font-size: 11px; color: var(--text-tertiary); }
.msg.user .msg-time { text-align: right; }

/* typing */
.typing-dots {
  display: flex; align-items: center; gap: 4px;
  padding: 12px 15px;
  background: var(--msg-bot-bg);
  border-radius: var(--radius-lg); border-bottom-left-radius: 4px;
  width: fit-content;
}
.typing-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-tertiary);
  animation: dot-bounce 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dot-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

/* ── Suggestions ── */
.suggestions { display: flex; flex-wrap: wrap; gap: 7px; padding: 0 1.25rem 1rem; }
.sugg {
  font-size: 12px; font-weight: 500;
  color: var(--text-secondary); background: var(--input-bg);
  border: 0.5px solid var(--border);
  border-radius: 20px; padding: 6px 13px;
  cursor: pointer; transition: all 0.15s;
  white-space: nowrap;
}
.sugg:hover { background: var(--teal-light); color: var(--teal-dark); border-color: var(--teal); }

/* ── Input ── */
.input-row {
  display: flex; gap: 8px;
  padding: 1rem 1.25rem;
  border-top: 0.5px solid var(--border);
}
.chat-input {
  flex: 1; font-family: inherit; font-size: 14px;
  padding: 10px 16px;
  background: var(--input-bg); color: var(--text-primary);
  border: 0.5px solid var(--border);
  border-radius: 22px; outline: none;
  transition: border-color 0.15s;
}
.chat-input::placeholder { color: var(--text-tertiary); }
.chat-input:focus { border-color: var(--teal); }
.send-btn {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--teal); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.15s, transform 0.1s;
}
.send-btn:hover { opacity: 0.88; }
.send-btn:active { transform: scale(0.95); }
.send-btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

/* ── Booking card ── */
.booking-card {
  margin-top: 1.25rem;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center;
  justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
}
.booking-left { display: flex; align-items: center; gap: 14px; }
.booking-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--teal-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.booking-title { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.booking-sub { font-size: 12px; color: var(--text-secondary); margin-top: 3px; }
.book-btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: inherit; font-size: 13px; font-weight: 500; color: #fff;
  background: var(--teal); border: none; border-radius: 22px;
  padding: 9px 20px; cursor: pointer; text-decoration: none;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.book-btn:hover { opacity: 0.88; }

/* ── Footer ── */
.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 12px; color: var(--text-tertiary);
}
.footer a { color: var(--text-tertiary); text-decoration: none; }
.footer a:hover { color: var(--teal); }

/* Resume explorer */
.resume-card {
  margin-bottom: 1.25rem;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.resume-header {
  padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
  border-bottom: 0.5px solid transparent;
  transition: border-color 0.15s;
}
.resume-header[aria-expanded="true"] { border-bottom-color: var(--border); }
.resume-header-title { font-size: 14px; font-weight: 500; color: var(--text-primary); flex: 1; }
.resume-header-sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.resume-chevron { color: var(--text-tertiary); transition: transform 0.2s; flex-shrink: 0; }
.resume-header[aria-expanded="true"] .resume-chevron { transform: rotate(180deg); }

.resume-body { padding: 0.25rem 1.25rem 1.25rem; }
.resume-loading { font-size: 13px; color: var(--text-tertiary); padding: 0.75rem 0; }
.resume-error { font-size: 13px; color: var(--text-secondary); padding: 0.75rem 0; }
.resume-role {
  padding: 0.9rem 0;
  border-bottom: 0.5px solid var(--border);
}
.resume-role:last-child { border-bottom: none; padding-bottom: 0.25rem; }
.resume-role-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.resume-role-sub { font-size: 12px; color: var(--text-secondary); margin-top: 1px; margin-bottom: 8px; }
.resume-bullets { display: flex; flex-direction: column; gap: 6px; }
.resume-bullet {
  display: flex; align-items: flex-start; gap: 8px;
  text-align: left;
  font-size: 13px; line-height: 1.55; color: var(--text-secondary);
  background: none; border: none; padding: 6px 8px;
  border-radius: var(--radius-md);
  cursor: pointer; transition: all 0.15s;
  width: 100%; font-family: inherit;
}
.resume-bullet:hover { background: var(--teal-light); color: var(--text-primary); }
.resume-bullet:hover .bullet-icon { color: var(--teal-dark); opacity: 1; }
.bullet-dot { flex-shrink: 0; margin-top: 7px; width: 5px; height: 5px; border-radius: 50%; background: var(--text-tertiary); }
.resume-bullet:hover .bullet-dot { background: var(--teal); }
.bullet-text { flex: 1; }
.bullet-icon { flex-shrink: 0; margin-top: 2px; color: var(--text-tertiary); opacity: 0.6; transition: opacity 0.15s, color 0.15s; }

/* Clickable links inside bot bubbles */
.bubble a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.5);
  text-underline-offset: 2px;
  word-break: break-all;
}
.msg.bot .bubble a {
  color: var(--teal-dark);
  text-decoration-color: var(--teal);
}
.bubble a:hover { opacity: 0.8; }

/* ── Cross-page navigation link ── */
.nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 500;
  color: var(--text-secondary); text-decoration: none;
  transition: color 0.15s;
}
.nav-link:hover { color: var(--teal-dark); }

@media (max-width: 480px) {
  body { padding: 1.25rem 0.75rem 3rem; }
  .hero-name { font-size: 22px; }
  .messages { max-height: 360px; }
  .booking-card { flex-direction: column; align-items: flex-start; }
}

/* Visually-hidden helper for accessible labels */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }