/* ============================================================
   Alumni Talk Page Styles
   ============================================================ */

/* ── Hero ── */
.at-hero {
  background: linear-gradient(135deg, var(--dark-2) 0%, #1e293b 100%);
  padding: 64px 0 56px;
  text-align: center;
}
.at-hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #fde68a;
  margin-bottom: 14px;
}
.at-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.at-hero p {
  font-size: 0.95rem;
  color: #94a3b8;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── List Page ── */
.at-list-section { padding: 48px 0 80px; }
.at-talks-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}
.at-talk-row {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 24px 20px;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.at-talk-row:hover {
  border-color: rgba(26, 86, 219, 0.25);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.at-talk-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.at-talk-badge {
  display: inline-block;
  padding: 2px 8px;
  background: #10b981;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
}
.at-talk-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.at-talk-date i {
  font-size: 0.72rem;
  color: var(--text-faint);
}
.at-topic-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-light);
  padding: 3px 10px;
  border-radius: 12px;
}
.at-talk-names-row {
  margin-top: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.at-name-a { color: var(--brand); }
.at-amp { color: var(--text-muted); margin: 0 4px; font-weight: 400; }
.at-name-b { color: #10b981; }

.at-talk-topics {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.at-talk-topic-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}
.at-talk-topic-item i {
  color: var(--text-faint);
  font-size: 0.72rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.at-talk-cta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand);
  display: flex;
  align-items: center;
  gap: 6px;
}
.at-talk-cta i {
  font-size: 0.7rem;
  transition: transform var(--transition);
}
.at-talk-row:hover .at-talk-cta i {
  transform: translateX(4px);
}

.at-talk-preview {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}
.at-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

@media (max-width: 600px) {
  .at-talks-list { grid-template-columns: 1fr; }
}

/* ── View Page (Realistic conversation) ── */
.at-view-section { padding: 40px 0 80px; }
.at-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
  margin-bottom: 28px;
}
.at-back-link:hover { text-decoration: underline; }

/* ── Intro header ── */
.atv-intro {
  text-align: center;
  margin-bottom: 48px;
}
.atv-intro-avatars {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.atv-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  border: 3px solid var(--white);
}
.atv-avatar-a { background: var(--brand); }
.atv-avatar-b { background: #10b981; margin-left: -12px; }
.atv-intro h1 {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 800;
  margin-bottom: 6px;
}
.atv-amp {
  color: var(--text-muted);
  font-weight: 400;
  margin: 0 6px;
  font-size: 0.9em;
}
.atv-intro-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ── Conversation flow ── */
.atv-convo {
  max-width: 820px;
  margin: 0 auto;
}

/* Topic divider */
.atv-topic-divider {
  display: flex;
  align-items: center;
  margin: 36px 0 28px;
  gap: 16px;
}
.atv-topic-divider::before,
.atv-topic-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.atv-topic-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 20px;
  white-space: nowrap;
  text-align: center;
}
.atv-convo .atv-topic-divider:first-child {
  margin-top: 0;
}

/* Message bubble */
.atv-msg {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.atv-msg-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
  margin-top: 2px;
}
.atv-msg-body {
  flex: 1;
  min-width: 0;
}
.atv-msg-name {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.atv-msg-text {
  font-size: 0.94rem;
  color: var(--text);
  line-height: 1.8;
  background: var(--surface);
  padding: 18px 22px;
  border-radius: 2px var(--radius-lg) var(--radius-lg) var(--radius-lg);
}
.atv-msg-b .atv-msg-text {
  border-radius: var(--radius-lg) 2px var(--radius-lg) var(--radius-lg);
}

/* End marker */
.atv-end {
  text-align: center;
  padding: 40px 0 0;
  color: var(--text-faint);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.atv-end i { font-size: 0.9rem; }

@media (max-width: 600px) {
  .atv-msg { gap: 10px; }
  .atv-msg-avatar { width: 34px; height: 34px; font-size: 0.78rem; }
  .atv-msg-text { padding: 14px 16px; font-size: 0.9rem; }
  .atv-topic-tag { font-size: 0.76rem; padding: 6px 14px; }
}

/* ── Admin ── */
.at-admin-section { padding: 40px 0 80px; }
.at-alumni-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
.at-alumni-table th, .at-alumni-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.at-alumni-table th {
  font-weight: 700;
  color: var(--text);
  background: var(--surface);
}
.at-alumni-table td { color: var(--text-muted); }
.at-add-form { max-width: 600px; margin-bottom: 16px; }
.at-add-form .form-group { margin-bottom: 14px; }
.at-add-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.at-add-form input, .at-add-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-family: inherit;
}
.at-add-form textarea { resize: vertical; }
.at-generate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--brand);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition);
}
.at-generate-btn:hover { background: var(--brand-dark); }
.at-generate-btn:disabled { opacity: 0.6; cursor: not-allowed; }


/* ── Admin Cards ── */
.at-admin-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-bottom: 24px;
}
.at-admin-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 16px;
}
.at-admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--brand);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition);
}
.at-admin-btn:hover { opacity: 0.9; }
.at-admin-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.at-btn-purple { background: #7c3aed; }
.at-btn-green { background: #10b981; }
.at-del-btn {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  font-size: 0.88rem;
}
.at-del-btn:hover { color: #dc2626; }
.at-badge-manual { background: #7c3aed; }
.at-add-form select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-family: inherit;
}