/* asistan.wallix.com.tr — shared stylesheet
 * Brand: WALLIX navy #0a2540 + orange #ff6b00
 * System font stack, mobile-first (375px → 1024px+)
 * No external dependencies, CSP-friendly
 */

:root {
  --wallix-navy: #0a2540;
  --wallix-navy-dark: #061a2e;
  --wallix-navy-light: #1a3a5e;
  --wallix-orange: #ff6b00;
  --wallix-orange-dark: #d95a00;
  --text-primary: #1a1f2e;
  --text-secondary: #5a6072;
  --text-muted: #8a92a5;
  --bg-page: #f7f8fb;
  --bg-card: #ffffff;
  --bg-hover: #f0f2f7;
  --border: #e2e5ed;
  --error: #dc2626;
  --success: #059669;
  --warning: #f59e0b;
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
  --shadow: 0 2px 8px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 8px 24px rgba(10, 37, 64, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

/* ─── Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-narrow { max-width: 640px; }

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* ─── Header ────────────────────────────────────────────── */
.site-header {
  background: var(--wallix-navy);
  color: #fff;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header .logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header .logo .brand-accent { color: var(--wallix-orange); }

.site-header nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.875rem;
  align-items: center;
}

.site-header nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.15s;
}

.site-header nav a:hover { color: var(--wallix-orange); }

/* ─── Main + Footer ─────────────────────────────────────── */
main { min-height: calc(100vh - 140px); padding: 2rem 0; }

.site-footer {
  background: var(--wallix-navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.5rem 0;
  font-size: 0.875rem;
  text-align: center;
}

.site-footer a { color: rgba(255, 255, 255, 0.9); text-decoration: none; }
.site-footer a:hover { color: var(--wallix-orange); }

/* ─── Typography ────────────────────────────────────────── */
h1, h2, h3, h4 {
  color: var(--wallix-navy);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 1rem;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
p { margin: 0 0 1rem; }
a { color: var(--wallix-orange); }
a:hover { color: var(--wallix-orange-dark); }

@media (min-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
}

/* ─── Hero (landing) ───────────────────────────────────── */
.hero { text-align: center; padding: 2rem 0 3rem; }

.hero .eyebrow {
  display: inline-block;
  color: var(--wallix-orange);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero h1 { font-size: 1.875rem; margin-bottom: 0.75rem; }
.hero .subtitle {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
}

/* ─── Card grid ─────────────────────────────────────────── */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .cards { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.card.is-active:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--wallix-orange);
}

.card.is-coming-soon { opacity: 0.85; }
.card.is-coming-soon:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.card .card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  width: fit-content;
}

.card-badge--active { background: rgba(5, 150, 105, 0.12); color: var(--success); }
.card-badge--soon { background: rgba(245, 158, 11, 0.15); color: #b45309; }

.card h2 {
  color: var(--wallix-navy);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.card .card-cta {
  font-weight: 600;
  color: var(--wallix-orange);
  font-size: 0.9375rem;
}

/* ─── Forms ─────────────────────────────────────────────── */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .form-card { padding: 2.5rem; }
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--wallix-navy);
  margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--wallix-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15);
}

.form-group .hint {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.form-group .error {
  display: none;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--error);
}

.form-group.has-error input,
.form-group.has-error textarea { border-color: var(--error); }
.form-group.has-error .error { display: block; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 1rem;
  height: 1rem;
  accent-color: var(--wallix-orange);
  flex-shrink: 0;
}

.form-checkbox a { font-weight: 600; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, transform 0.05s;
  line-height: 1;
}

.btn:active:not(:disabled) { transform: translateY(1px); }

.btn-primary {
  background: var(--wallix-orange);
  color: #fff;
  border-color: var(--wallix-orange);
}

.btn-primary:hover:not(:disabled) {
  background: var(--wallix-orange-dark);
  border-color: var(--wallix-orange-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--wallix-navy);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--wallix-navy);
}

/* Inverted variant for dark navy header context.
 * Default .btn-secondary uses navy text + light border, which is
 * invisible on the .site-header navy background. Inside the header
 * we flip to white text + white-opacity border, and on hover swap
 * to white fill with navy text for a clear affordance. */
.site-header .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
}

.site-header .btn-secondary:hover:not(:disabled) {
  background: #fff;
  color: var(--wallix-navy);
  border-color: #fff;
}

.site-header .btn-secondary:focus-visible {
  outline: 2px solid var(--wallix-orange);
  outline-offset: 2px;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-block { width: 100%; }

.btn-sm { padding: 0.5rem 0.875rem; font-size: 0.875rem; }

/* ─── Alerts ────────────────────────────────────────────── */
.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  border: 1px solid transparent;
}
.alert-info {
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
  border-color: rgba(37, 99, 235, 0.2);
}
.alert-success {
  background: rgba(5, 150, 105, 0.08);
  color: var(--success);
  border-color: rgba(5, 150, 105, 0.25);
}
.alert-error {
  background: rgba(220, 38, 38, 0.08);
  color: var(--error);
  border-color: rgba(220, 38, 38, 0.25);
}
.alert-warn {
  background: rgba(245, 158, 11, 0.08);
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.25);
}

/* ─── Chat UI ───────────────────────────────────────────── */
.chat-shell {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 70px);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1rem;
  scroll-behavior: smooth;
}

.chat-messages-inner { max-width: 800px; margin: 0 auto; }

.chat-welcome {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.chat-welcome .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.chat-welcome h2 { color: var(--wallix-navy); margin-bottom: 0.5rem; }
.chat-welcome p { max-width: 480px; margin: 0 auto; }

.msg { display: flex; margin-bottom: 1.25rem; }
.msg-user { justify-content: flex-end; }
.msg-assistant { justify-content: flex-start; }

.bubble {
  max-width: 85%;
  padding: 0.875rem 1.125rem;
  border-radius: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.55;
  font-size: 0.9375rem;
}

.msg-user .bubble {
  background: var(--wallix-navy);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.msg-assistant .bubble {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg-assistant .content.is-loading::after {
  content: "▊";
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s steps(2, end) infinite;
  color: var(--wallix-orange);
}

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

.citations {
  margin-top: 0.875rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.feedback {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.625rem;
  justify-content: flex-end;
}

.fb-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.12s, border-color 0.12s, transform 0.08s;
  line-height: 1;
}

.fb-btn:hover { background: var(--bg-hover); }
.fb-btn:active { transform: scale(0.92); }
.fb-btn.active {
  background: rgba(255, 107, 0, 0.15);
  border-color: var(--wallix-orange);
}
.fb-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-input-area {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 1rem;
}

.chat-input-inner {
  max-width: 800px;
  margin: 0 auto;
}

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

.chat-input-row textarea {
  flex: 1;
  resize: none;
  min-height: 48px;
  max-height: 160px;
  padding: 0.75rem 0.875rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.chat-input-row textarea:focus {
  outline: none;
  border-color: var(--wallix-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15);
}

.chat-counter {
  display: block;
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.375rem;
}
.chat-counter.warn { color: var(--warning); }
.chat-counter.error { color: var(--error); }

/* ─── Placeholder pages ─────────────────────────────────── */
.placeholder {
  text-align: center;
  padding: 4rem 1rem;
}
.placeholder .icon { font-size: 3rem; margin-bottom: 1rem; }
.placeholder h1 { margin-bottom: 0.5rem; }
.placeholder p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}
.placeholder .timeline {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* ─── Admin dashboard ───────────────────────────────────── */
.admin-shell { padding: 1.25rem 0 2rem; }

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.metrics-grid {
  display: grid;
  gap: 0.875rem;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .metrics-grid { grid-template-columns: repeat(4, 1fr); gap: 1rem; }
}

.metric-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.metric-card .label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.metric-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--wallix-navy);
  line-height: 1.1;
}

.filter-bar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .filter-bar {
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    align-items: end;
  }
}

.filter-bar label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.filter-bar input,
.filter-bar select {
  width: 100%;
  padding: 0.5rem 0.625rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.filter-bar input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--wallix-orange);
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.logs-table-wrapper {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.logs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.logs-table thead { background: var(--bg-hover); }

.logs-table th,
.logs-table td {
  padding: 0.75rem 0.875rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.logs-table th {
  font-weight: 600;
  color: var(--wallix-navy);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.logs-table tbody tr { cursor: pointer; transition: background 0.1s; }
.logs-table tbody tr:hover { background: var(--bg-hover); }
.logs-table tbody tr:last-child td { border-bottom: none; }

.logs-table .preview {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

.rating-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.rating-pos { background: rgba(5, 150, 105, 0.15); color: var(--success); }
.rating-neg { background: rgba(220, 38, 38, 0.15); color: var(--error); }
.rating-flag { background: rgba(245, 158, 11, 0.15); color: #b45309; }
.rating-none { color: var(--text-muted); }

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-muted);
}

/* ─── Modal ─────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.55);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
  overflow-y: auto;
}

.modal.is-open { display: flex; }

.modal-dialog {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  margin: 2rem auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: #fff;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  position: sticky;
  top: 0;
}

.modal-header h3 { margin: 0; color: var(--wallix-navy); }

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  line-height: 1;
  border-radius: var(--radius);
}

.modal-close:hover { background: var(--bg-hover); color: var(--wallix-navy); }

.modal-body { padding: 1.5rem; }

.detail-section { margin-bottom: 1.5rem; }
.detail-section:last-child { margin-bottom: 0; }
.detail-section h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.detail-kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  margin: 0;
}
.detail-kv dt { color: var(--text-muted); font-weight: 600; }
.detail-kv dd { margin: 0; color: var(--text-primary); word-break: break-word; }

.chunk-list { list-style: none; padding: 0; margin: 0; }
.chunk-list li {
  padding: 0.625rem 0.875rem;
  background: var(--bg-hover);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
}
.chunk-list .chunk-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--wallix-navy);
  margin-bottom: 0.25rem;
}
.chunk-list .chunk-score {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pre-msg {
  white-space: pre-wrap;
  background: var(--bg-hover);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin: 0;
  font-family: inherit;
  color: var(--text-primary);
  line-height: 1.5;
  word-wrap: break-word;
}

/* ─── Content pages (KVKK) ─────────────────────────────── */
.content-page {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .content-page { padding: 3rem; }
}

.content-page h2 {
  color: var(--wallix-navy);
  font-size: 1.25rem;
  margin-top: 2rem;
}

.content-page h2:first-child { margin-top: 0; }
.content-page ul { padding-left: 1.25rem; }
.content-page li { margin-bottom: 0.375rem; }

.content-page .meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

/* ─── Markdown-rendered chat content ─────────────────────── */
/* Applied to .content inside assistant bubbles after streaming.
 * The renderer in chat.js converts the plain text buffer into a DOM
 * tree using these classes. All elements are appended via createElement
 * + textContent, never innerHTML. */

.bubble .content .md-para {
  margin: 0 0 0.75rem 0;
  line-height: 1.55;
}
.bubble .content .md-para:last-child { margin-bottom: 0; }

.bubble .content .md-heading {
  font-weight: 700;
  color: var(--wallix-navy);
  margin: 1rem 0 0.5rem 0;
  line-height: 1.25;
}
.bubble .content h3.md-heading { font-size: 1.125rem; }
.bubble .content h4.md-heading { font-size: 1rem; }
.bubble .content h5.md-heading { font-size: 0.9375rem; }

.bubble .content .md-list {
  margin: 0 0 0.75rem 1.25rem;
  padding: 0;
  line-height: 1.55;
}
.bubble .content .md-list li {
  margin: 0.25rem 0;
}

.bubble .content .md-quote {
  border-left: 3px solid var(--wallix-orange);
  padding: 0.25rem 0 0.25rem 0.875rem;
  margin: 0.5rem 0 0.75rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.bubble .content .md-inline-code {
  background: #f0f2f7;
  color: #2d3748;
  padding: 0.125rem 0.35rem;
  border-radius: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875em;
}

.bubble .content .md-code-block {
  background: #0f172a;
  color: #e2e8f0;
  padding: 0.875rem 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 0.5rem 0 0.875rem 0;
}
.bubble .content .md-code-block code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.bubble .content .md-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 0.875rem 0;
  font-size: 0.875rem;
}
.bubble .content .md-table th,
.bubble .content .md-table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.bubble .content .md-table th {
  background: #f0f2f7;
  font-weight: 600;
  color: var(--wallix-navy);
}
.bubble .content .md-table tr:nth-child(even) td {
  background: #f8f9fc;
}

.bubble .content a {
  color: var(--wallix-orange);
  text-decoration: underline;
}
.bubble .content a:hover {
  color: var(--wallix-orange-dark);
}

/* ─── Utilities ─────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none !important; }
.flex-gap { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.flex-center { display: flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── Sınav (Agent A) quiz UI ───────────────────────────── */

.lang-toggle {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  overflow: hidden;
  margin-right: 0.75rem;
}

.lang-btn {
  background: transparent;
  color: #fff;
  border: 0;
  padding: 0.35rem 0.75rem;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s ease;
}

.lang-btn + .lang-btn { border-left: 1px solid rgba(255, 255, 255, 0.3); }

.lang-btn:hover:not(.is-active) { background: rgba(255, 255, 255, 0.12); }

.lang-btn.is-active {
  background: var(--wallix-orange);
  color: #fff;
}

.quiz-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

@media (min-width: 1024px) {
  .quiz-shell {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

.quiz-sidebar {
  display: grid;
  gap: 1rem;
}

.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}

.score-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.score-cell {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.5rem 0.6rem;
  background: var(--bg-page);
  border-radius: var(--radius);
}

.score-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.score-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.score-correct { color: var(--success); }
.score-wrong { color: var(--error); }

.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}

.filter-panel .eyebrow {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.filter-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.filter-row:last-child { margin-bottom: 0; }

.filter-row label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.filter-row select {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.65rem;
  font: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.quiz-main { display: grid; gap: 1rem; min-width: 0; }

.quiz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.5rem 1.25rem;
  box-shadow: var(--shadow);
}

.quiz-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.quiz-module-chip,
.quiz-source-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 999px;
}

.quiz-module-chip {
  background: rgba(10, 37, 64, 0.08);
  color: var(--wallix-navy);
}

.quiz-source-chip {
  background: rgba(255, 107, 0, 0.12);
  color: var(--wallix-orange-dark);
}

.quiz-question {
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 0 0 1rem;
  white-space: pre-wrap;
}

.quiz-options {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.9375rem;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.08s ease;
}

.quiz-option:hover:not(:disabled):not(.is-correct-answer):not(.is-wrong-answer) {
  background: var(--bg-hover);
  border-color: var(--wallix-navy-light);
}

.quiz-option:active:not(:disabled) { transform: translateY(1px); }

.quiz-option.is-selected {
  background: rgba(255, 107, 0, 0.08);
  border-color: var(--wallix-orange);
}

.quiz-option.is-correct-answer {
  background: rgba(5, 150, 105, 0.12);
  border-color: var(--success);
  color: #065f46;
}

.quiz-option.is-wrong-answer {
  background: rgba(220, 38, 38, 0.08);
  border-color: var(--error);
  color: #991b1b;
}

.quiz-option:disabled { cursor: default; }

.quiz-option-key {
  font-weight: 700;
  min-width: 1.25rem;
  color: var(--wallix-navy);
}

.quiz-option.is-correct-answer .quiz-option-key { color: var(--success); }
.quiz-option.is-wrong-answer .quiz-option-key { color: var(--error); }

.quiz-option-text { flex: 1; }

.quiz-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.explanation-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.explanation-result {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.explanation-result.is-correct { color: var(--success); }
.explanation-result.is-wrong { color: var(--error); }

.explanation-body {
  color: var(--text-primary);
  line-height: 1.6;
}

.explanation-body p { margin: 0.5rem 0; }
.explanation-body p:first-child { margin-top: 0; }
.explanation-body p:last-child { margin-bottom: 0; }

.explanation-body .md-code-block {
  background: var(--wallix-navy-dark);
  color: #f7f8fb;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
}

.explanation-body .md-inline-code {
  background: var(--bg-hover);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--wallix-navy);
}

.explanation-body .md-list {
  padding-left: 1.25rem;
  margin: 0.5rem 0;
}

.error-banner {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid var(--error);
  color: #991b1b;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}