/* ============================================================
 * askvalentinai-v2.css — Light-Mode Editorial Skin (v8)
 * Additiver Overlay: lädt NACH css/main.css und überschreibt
 * ausgewählte .av-* Klassen. chat-core.js-DOM-Verträge bleiben.
 *
 * Änderungen v8:
 * - --av-font-ui Typo gefixt -> --av-font-primary
 * - !important-Audit: redundante !important entfernt, verbliebene
 *   tragen Kommentare, warum sie strukturell nötig sind
 * - Duplikat .av-welcome consolidiert
 * - Duplikat @keyframes sourceIn -> av-fade-in-up (namespaced)
 * - :focus-visible Fokus-Outline global (Accessibility)
 * - .av-welcome--hidden Utility (statt JS-display:none)
 * - .av-visually-hidden Screenreader-Utility
 * ============================================================ */

:root,
body[data-theme="askvalentinai"] {
  /* Light editorial palette */
  --av-bg-primary:     oklch(0.975 0.012 85);
  --av-bg-secondary:   oklch(0.955 0.014 82);
  --av-bg-tertiary:    oklch(0.93 0.015 82);
  --av-bg-elevated:    oklch(1 0.004 85);

  --av-text-primary:   oklch(0.22 0.015 155);
  --av-text-secondary: oklch(0.45 0.012 150);
  --av-text-muted:     oklch(0.60 0.010 140);
  --av-text-on-primary: oklch(0.99 0.004 85);

  --av-primary:        oklch(0.48 0.10 150);
  --av-primary-hover:  oklch(0.42 0.10 150);
  --av-primary-light:  oklch(0.48 0.10 150 / 0.10);
  --av-primary-border: oklch(0.48 0.10 150 / 0.28);

  --av-border-primary:   oklch(0.86 0.012 82);
  --av-border-secondary: oklch(0.91 0.010 82);

  --av-error:       oklch(0.55 0.17 25);
  --av-error-light: oklch(0.55 0.17 25 / 0.08);

  --av-shadow-sm: 0 1px 2px oklch(0.22 0.015 155 / 0.05);
  --av-shadow-md: 0 8px 28px oklch(0.22 0.015 155 / 0.07);
  --av-shadow-lg: 0 40px 100px oklch(0.22 0.015 155 / 0.10);

  --av-font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --av-font-primary: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --av-radius-sm: 6px;
  --av-radius-md: 10px;
  --av-radius-lg: 14px;
  --av-radius-xl: 20px;
}

/* ------------------------------------------------------------
 * Accessibility & Utilities
 * ------------------------------------------------------------ */
:focus-visible {
  outline: 2px solid var(--av-primary);
  outline-offset: 2px;
  border-radius: 4px;
}
:focus:not(:focus-visible) {
  outline: none;
}
.av-visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------
 * Body + Paper-Grain Overlay
 * ------------------------------------------------------------ */
body[data-theme="askvalentinai"] {
  background: var(--av-bg-primary);
  color: var(--av-text-primary);
  font-family: var(--av-font-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(oklch(0.22 0.015 155 / 0.025) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* ------------------------------------------------------------
 * Marketing Shell
 * ------------------------------------------------------------ */
.av-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Marketing Topbar */
.av-marketing-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 42px;
  border-bottom: 1px solid var(--av-border-secondary);
  background: oklch(1 0 0 / 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.av-marketing-top__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.av-marketing-top__logo-img {
  height: 28px;
  width: auto;
}
.av-marketing-top__kicker {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--av-text-muted);
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--av-border-primary);
  white-space: nowrap;
}
@media (max-width: 1080px) {
  .av-marketing-top__kicker { display: none; }
}
.av-marketing-top__nav {
  display: flex;
  gap: 30px;
  font-size: 14px;
  color: var(--av-text-secondary);
  margin-left: auto;
  margin-right: 24px;
}
.av-marketing-top__nav a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}
.av-marketing-top__nav a:hover { color: var(--av-primary); }

.av-marketing-top__cta {
  padding: 10px 18px;
  border-radius: var(--av-radius-md);
  background: var(--av-text-primary);
  color: var(--av-bg-primary);
  border: none;
  font-family: var(--av-font-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.av-marketing-top__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--av-shadow-md);
}

/* Hero */
.av-hero {
  text-align: center;
  padding: 72px 24px 40px;
  max-width: 960px;
  margin: 0 auto;
}
.av-hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--av-border-primary);
  border-radius: 100px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--av-text-secondary);
  background: var(--av-bg-elevated);
}
.av-hero__title {
  font-family: var(--av-font-display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 22px 0 22px;
  text-wrap: balance;
}
.av-hero__title i { color: var(--av-primary); }
.av-hero__sub {
  max-width: 620px;
  margin: 0 auto;
  font-size: 19px;
  line-height: 1.55;
  color: var(--av-text-secondary);
  text-wrap: pretty;
}

/* Trust strip */
.av-trust {
  max-width: 960px;
  margin: 24px auto 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0 24px;
}
.av-trust__item {
  text-align: center;
  padding: 14px 10px;
  border-top: 1px solid var(--av-border-secondary);
  font-size: 13px;
  color: var(--av-text-secondary);
  line-height: 1.35;
}
.av-trust__item b {
  display: block;
  font-family: var(--av-font-display);
  font-size: 26px;
  font-weight: 400;
  color: var(--av-text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

/* ------------------------------------------------------------
 * Chat App
 * ------------------------------------------------------------ */
.av-chat-app {
  max-width: 1400px;
  width: 100%;
  margin: 22px auto 60px;
  background: var(--av-bg-elevated);
  border: 1px solid var(--av-border-primary);
  border-radius: 20px;
  box-shadow: var(--av-shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
/* Header der Chat-Karte */
.av-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--av-bg-secondary);
  border-bottom: 1px solid var(--av-border-secondary);
}
.av-header__brand { display: flex; align-items: center; gap: 12px; }
.av-header__logo {
  width: auto;
  background: none;
  border: none;
  padding: 0;
}
.av-header__logo-img {
  height: 36px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}
.av-header__logo-img:hover {
  filter: none; /* [override: askvalentinai.css hover glow] */
}
.av-header__subtitle {
  font-size: 12px;
  color: var(--av-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
  font-weight: 500;
}
.av-header__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--av-text-secondary);
}
.av-header__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--av-primary);
  box-shadow: 0 0 0 3px var(--av-primary-light);
}
.av-header__actions { display: flex; gap: 8px; }
.av-header__action {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--av-border-secondary);
  border-radius: var(--av-radius-md);
  color: var(--av-text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.av-header__action svg { width: 16px; height: 16px; }
.av-header__action:hover {
  background: var(--av-bg-tertiary);
  color: var(--av-text-primary);
}

/* ------------------------------------------------------------
 * Tour Bar (falls von chat-core genutzt)
 * ------------------------------------------------------------ */
.av-tour-bar {
  background: var(--av-bg-elevated);
  border-bottom: 1px solid var(--av-border-secondary);
}
.av-tour-toggle-header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--av-border-secondary);
  background: var(--av-bg-secondary);
}
.av-tour-toggle-header:hover { background: var(--av-bg-tertiary); }
.av-tour-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--av-text-secondary);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 4px 8px;
  font-family: var(--av-font-primary);
}
.av-tour-toggle-btn:hover { color: var(--av-primary); }
.av-tour-toggle-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--av-primary);
  color: var(--av-text-on-primary);
  border-radius: 5px;
  font-size: 10px;
  font-weight: bold;
}
.av-tour-content {
  max-height: 0;
  opacity: 0;
  padding: 0 24px;
  transition: all 0.3s ease;
  overflow: hidden;
}
.av-tour-bar.expanded .av-tour-content {
  max-height: 420px;
  opacity: 1;
  padding: 18px 24px 20px;
}
.av-tour-header { text-align: center; margin-bottom: 14px; }
.av-tour-header__title {
  font-size: 13px;
  color: var(--av-text-muted);
  margin: 0;
}
.av-tour-header__title strong { color: var(--av-primary); }

/* Quick-Start Buttons */
.av-quick-start {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
}
.av-quick-start__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  min-height: 52px;
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.35;
  white-space: normal;
  background: var(--av-bg-elevated);
  color: var(--av-text-primary);
  border: 1px solid var(--av-border-primary);
  border-radius: var(--av-radius-md);
  cursor: pointer;
  transition: all 0.18s;
  font-family: var(--av-font-primary);
}
.av-quick-start__btn:hover {
  border-color: var(--av-primary);
  background: var(--av-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--av-shadow-sm);
}
.av-quick-start__btn.visited {
  /* [override: askvalentinai.css visited-state mit dark colors] */
  border-color: var(--av-primary-border);
  background: var(--av-primary-light);
  color: var(--av-text-primary);
}
.av-quick-start__btn.visited::after {
  content: '✓';
  position: absolute;
  top: -6px;
  right: -6px;
  width: 16px;
  height: 16px;
  background: var(--av-primary);
  color: var(--av-text-on-primary);
  border-radius: 50%;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
  font-weight: bold;
}
.av-quick-start__btn.active {
  /* [override: askvalentinai.css active-state mit dark + glow] */
  background: var(--av-primary);
  color: var(--av-text-on-primary);
  border-color: var(--av-primary);
  box-shadow: var(--av-shadow-md);
  transform: none;
}

.av-tour-progress {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 11px;
  color: var(--av-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.av-tour-progress__bar { display: flex; gap: 4px; margin-left: 6px; }
.av-tour-progress__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--av-bg-tertiary);
  border: 1px solid var(--av-border-primary);
  transition: all 0.3s;
}
.av-tour-progress__dot.completed {
  background: var(--av-primary);
  border-color: var(--av-primary);
}
.av-tour-complete {
  color: var(--av-primary);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  font-size: 13px;
}

/* ------------------------------------------------------------
 * Welcome + Chat Main
 * ------------------------------------------------------------ */
.av-chat-main {
  /* v2-Fix 2026-04-19: war var(--av-bg-elevated) (nahezu weiss).
     Baseline-Look hatte Cream, weil Dark-Theme Tokens umdefinierte.
     Nach Dark-Entfernung explizit auf den Cream-Token der Aussenflaeche. */
  background: var(--av-bg-primary);
  min-height: 380px;
  max-height: 560px;
  overflow-y: auto;
}
.av-chat-container { max-width: 1200px; margin: 0 auto; padding: 36px 28px; }

.av-welcome {
  text-align: center;
  padding: 28px 24px 10px;
}
.av-welcome--hidden { display: none; }
.av-welcome__title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-bottom: 14px;
}
.av-welcome__logo-large {
  height: 26px;
  width: auto;
  max-width: 280px;
}
.av-welcome__title {
  font-family: var(--av-font-display);
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--av-text-primary);
  text-wrap: balance;
  line-height: 1.1;
}
.av-welcome__replay-prompt {
  font-family: var(--av-font-display);
  font-style: italic;
  color: var(--av-text-primary);
}
.av-welcome__text {
  max-width: 560px;
  margin: 12px auto 0;
  color: var(--av-text-secondary);
  font-size: 15px;
  line-height: 1.6;
  text-wrap: pretty;
}

/* ------------------------------------------------------------
 * Messages
 * ------------------------------------------------------------ */
.av-messages { display: flex; flex-direction: column; gap: 22px; }
.av-message { display: flex; flex-direction: column; gap: 6px; max-width: 100%; }
.av-message--user { align-items: flex-end; }
.av-message--bot { align-items: flex-start; }
.av-message__header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--av-text-muted);
}
.av-message__avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--av-primary-light);
  color: var(--av-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.av-message--user .av-message__avatar {
  background: var(--av-text-primary);
  color: var(--av-bg-primary);
}
.av-message__sender { font-weight: 500; color: var(--av-text-secondary); }
.av-message__bubble {
  max-width: 82%;
  padding: 14px 18px;
  border-radius: 14px;
  background: var(--av-bg-secondary);
  border: 1px solid var(--av-border-secondary);
  line-height: 1.6;
  font-size: 15px;
  color: var(--av-text-primary);
}
.av-message--user .av-message__bubble {
  /* v2-Fix 2026-04-19: war var(--av-text-primary) (Waldgrün-Schwarz) als
     Fallback gedacht, Dark-Theme-Regel hatte hoehere Spezifitaet und setzte
     lime green. Nach Dark-Entfernung greift nun die v2-Regel direkt und
     soll das Design-System-Salbei nutzen. */
  background: var(--av-primary);
  color: var(--av-text-on-primary);
  border-color: var(--av-primary);
}
.av-message__bubble--error {
  background: var(--av-error-light);
  border-color: var(--av-error);
  color: var(--av-error);
}
.av-message__content p { margin: 0 0 10px; }
.av-message__content p:last-child { margin-bottom: 0; }
.av-message__content a { color: var(--av-primary); text-decoration: underline; }
/* v2-Fix 2026-04-19: strong-Hervorhebung war in der alten Dark-Datei auf
   lime gesetzt (Zeile 267). Nach Entfernung muss v2 die Regel selbst fuehren. */
.av-message--bot .av-message__content strong,
.av-message__bubble strong {
  color: var(--av-primary);
  font-weight: 600;
}
.av-message__content code {
  background: var(--av-bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}
.av-message__content pre {
  background: var(--av-bg-tertiary);
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
}
.av-message__time { font-size: 11px; color: var(--av-text-muted); }

/* Typing indicator (für chat-core) */
.av-typing {
  display: inline-flex;
  gap: 4px;
  padding: 14px 16px;
  background: var(--av-bg-secondary);
  border: 1px solid var(--av-border-secondary);
  border-radius: 14px;
}
.av-typing__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--av-text-muted);
  animation: av-typing-bounce 1.2s infinite;
}
.av-typing__dot:nth-child(2) { animation-delay: 0.15s; }
.av-typing__dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes av-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

/* ------------------------------------------------------------
 * Input Area
 * Ehemals !important-Zone (gegen Dark-Theme). Nach Dark-Entfernung
 * und !important-Audit 2026-04-19 sauber ohne Keulen.
 * ------------------------------------------------------------ */
.av-input-area {
  padding: 16px 24px 18px;
  border-top: 1px solid var(--av-border-secondary);
  background: var(--av-bg-secondary);
}
.av-input-form {
  max-width: 100%;
  margin: 0 auto;
}
.av-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 10px 18px;
  background: var(--av-bg-elevated);
  border: 1px solid var(--av-border-primary);
  border-radius: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.av-input-wrapper:focus-within {
  border-color: var(--av-primary);
  box-shadow: 0 0 0 4px var(--av-primary-light);
}
.av-input {
  background: transparent;
  color: var(--av-text-primary);
  font-family: var(--av-font-primary);
  font-size: 16px;
  border: 0;
  outline: none;
  width: 100%;
  padding: 6px 0;
}
.av-input::placeholder {
  color: var(--av-text-muted);
  opacity: 1;
}
.av-input[data-av-demo-typing] {
  caret-color: transparent;
  color: var(--av-text-muted);
  font-style: italic;
}

.av-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--av-primary);
  color: var(--av-text-on-primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.av-send-btn svg { width: 18px; height: 18px; }
.av-send-btn:hover { background: var(--av-primary-hover); }
.av-send-btn:active { transform: scale(0.96); }
.av-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.av-input-hint {
  max-width: 1200px;
  margin: 8px auto 0;
  font-size: 11px;
  color: var(--av-text-muted);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------
 * Footer
 * ------------------------------------------------------------ */
.av-footer {
  background: var(--av-bg-secondary);
  border-top: 1px solid var(--av-border-secondary);
  padding: 14px 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--av-text-muted);
}
.av-footer__link {
  color: var(--av-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.av-footer__link:hover { color: var(--av-primary); }
.av-footer__separator { color: var(--av-border-primary); }
.av-footer__copyright { opacity: 0.7; }

/* ------------------------------------------------------------
 * Mermaid Light Overrides (Fallback)
 * ------------------------------------------------------------ */
.av-mermaid-container {
  background: var(--av-bg-secondary);
  border: 1px solid var(--av-border-secondary);
  border-radius: 10px;
  padding: 16px;
  margin: 12px 0;
}
.av-mermaid-loading { color: var(--av-text-muted); font-size: 14px; }
.av-mermaid-toggle {
  margin-top: 10px;
  background: transparent;
  border: 1px solid var(--av-border-primary);
  color: var(--av-text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.av-mermaid-toggle:hover { color: var(--av-primary); border-color: var(--av-primary); }
.av-mermaid-source {
  display: none;
  margin-top: 10px;
  background: var(--av-bg-tertiary);
  padding: 12px;
  border-radius: 6px;
  font-size: 12px;
  overflow-x: auto;
}
.av-mermaid-container.show-code .av-mermaid-source { display: block; }

/* ------------------------------------------------------------
 * Mermaid-Lightbox (Click-to-Zoom)
 * Overlay wird von js/mermaid-lightbox.js erzeugt und eingeblendet
 * ------------------------------------------------------------ */
.av-mermaid-diagram { cursor: zoom-in; }
.av-mermaid-diagram:hover { filter: brightness(0.98); }

.av-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.av-lightbox.is-open { display: flex; }

.av-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: oklch(0.22 0.015 155 / 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: av-fade-in-up 180ms ease-out;
}

.av-lightbox__inner {
  position: relative;
  z-index: 1;
  max-width: min(1200px, 96vw);
  max-height: 92vh;
  background: var(--av-bg-elevated);
  border: 1px solid var(--av-border-primary);
  border-radius: 14px;
  box-shadow: var(--av-shadow-lg);
  padding: 44px 28px 28px;
  animation: av-fade-in-up 220ms ease-out;
}

.av-lightbox__close {
  position: absolute;
  top: 10px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--av-text-secondary);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
}
.av-lightbox__close:hover {
  background: var(--av-bg-secondary);
  color: var(--av-text-primary);
}

.av-lightbox__stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  max-height: 85vh;
  overflow: auto;
}
.av-lightbox__stage svg {
  display: block;
  max-width: 100%;
  max-height: 85vh;
  height: auto;
}

/* Body-Scroll sperren, solange Lightbox offen ist */
body.av-lightbox-open { overflow: hidden; }

@media (max-width: 560px) {
  .av-lightbox { padding: 12px; }
  .av-lightbox__inner { padding: 40px 14px 14px; }
}


/* Highlight-Boxen (Light-Versionen) */
.av-highlight {
  padding: 14px 16px;
  border-radius: 10px;
  margin: 12px 0;
  border-left: 3px solid var(--av-primary);
  background: var(--av-primary-light);
}
.av-highlight--important { border-left-color: oklch(0.55 0.17 25); background: oklch(0.55 0.17 25 / 0.06); }
.av-highlight--warning   { border-left-color: oklch(0.65 0.15 70); background: oklch(0.65 0.15 70 / 0.08); }
.av-highlight--tip       { border-left-color: var(--av-primary); }
.av-highlight--contact   { border-left-color: oklch(0.48 0.12 230); background: oklch(0.48 0.12 230 / 0.06); }

/* ------------------------------------------------------------
 * Persona-Section (Standalone-Block außerhalb des Chats)
 * ------------------------------------------------------------ */
.av-persona-section {
  max-width: 1400px;
  width: 100%;
  margin: 28px auto 0;
  padding: 0 28px;
}
.av-persona-section__inner {
  padding: 4px 0 18px;
}
.av-persona-section .av-persona__label {
  text-align: center;
  margin-bottom: 18px;
}
.av-persona-section .av-persona__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}
/* .av-persona-section .av-persona__tab / __tab-title-Overrides entfernt
   2026-04-19 (!important-Audit): sie wurden vor dem Audit durch
   body[data-theme]-Praefix unterdrueckt und waren im Baseline-Look nie
   sichtbar. Tabs nutzen die Basis-Werte aus .av-persona__tab (padding
   14px 16px, Title 19px). */
.av-persona-section .av-persona__sources {
  justify-content: center;
  padding: 0 0 6px;
}
@media (max-width: 900px) {
  .av-persona-section { padding: 0 18px; margin-top: 16px; }
  .av-persona-section .av-persona__tabs { grid-template-columns: 1fr; gap: 10px; }
  .av-persona-section .av-persona__tab { min-height: 0; padding: 14px 16px; }
}

.av-persona__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--av-text-muted);
  margin-bottom: 12px;
}
.av-persona__tabs {
  /* [override: main.css könnte andere display-werte haben] */
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.av-persona__tab {
  /* [override: button-default-styles + ggf. main.css] */
  all: unset;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--av-border-secondary);
  background: var(--av-bg-elevated);
  transition: all 0.18s ease;
  text-align: left;
  font-family: var(--av-font-primary);
}
.av-persona__tab:hover {
  border-color: var(--av-primary-border);
  transform: translateY(-1px);
}
.av-persona__tab.is-active {
  border-color: var(--av-primary);
  background: var(--av-primary-light);
  box-shadow: 0 0 0 3px oklch(0.48 0.10 150 / 0.08);
}
.av-persona__tab-title {
  font-family: var(--av-font-display);
  font-size: 19px;
  color: var(--av-text-primary);
  letter-spacing: -0.01em;
  display: block;
}
.av-persona__tab-sub {
  font-size: 12.5px;
  color: var(--av-text-secondary);
  display: block;
}
.av-persona__sources {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.av-persona__sources-label {
  color: var(--av-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10.5px;
  margin-right: 4px;
}
.av-persona__source-pill {
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--av-bg-elevated);
  border: 1px solid var(--av-border-secondary);
  color: var(--av-text-secondary);
  font-size: 12px;
  animation: av-fade-in-up 0.3s ease both;
}

/* Responsive Persona */
@media (max-width: 720px) {
  .av-persona-section .av-persona__tabs { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
 * Welcome: Replay-Button
 * ------------------------------------------------------------ */
.av-welcome__replay {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid var(--av-border-primary);
  color: var(--av-text-secondary);
  font-size: 13px;
  transition: all 0.15s ease;
}
.av-welcome__replay:hover {
  border-color: var(--av-primary);
  color: var(--av-primary);
}

/* ------------------------------------------------------------
 * Auto-Demo Bubbles + Animations
 * ------------------------------------------------------------ */
.av-message[data-demo] .av-message__bubble {
  animation: av-fade-in-up 0.28s ease both;
}
@keyframes av-fade-in-up {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.av-demo-para {
  margin: 0 0 10px 0;
  line-height: 1.65;
}
.av-demo-para:last-child { margin-bottom: 0; }

.av-demo-sources {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--av-border-secondary);
  animation: av-fade-in-up 0.4s ease both;
}
.av-demo-sources__label {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--av-text-muted);
  margin-bottom: 8px;
}
.av-demo-sources__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.av-demo-sources__list li {
  font-size: 13px;
  color: var(--av-text-secondary);
  padding-left: 14px;
  position: relative;
}
.av-demo-sources__list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--av-primary);
  font-weight: 600;
}

/* Typing-Dots für Auto-Demo */
.av-typing-dots {
  display: inline-flex;
  gap: 5px;
  padding: 4px 0;
}
.av-typing-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--av-text-muted);
  animation: av-typing-dot 1.2s ease-in-out infinite;
}
.av-typing-dots i:nth-child(2) { animation-delay: 0.15s; }
.av-typing-dots i:nth-child(3) { animation-delay: 0.30s; }
@keyframes av-typing-dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* ------------------------------------------------------------
 * Responsive — globale Breakpoints
 * ------------------------------------------------------------ */
@media (max-width: 900px) {
  .av-marketing-top { padding: 16px 22px; flex-wrap: wrap; gap: 12px; }
  .av-marketing-top__nav { display: none; }
  .av-hero { padding: 42px 20px 28px; }
  .av-trust { grid-template-columns: repeat(2, 1fr); }
  .av-quick-start { grid-template-columns: repeat(2, 1fr); max-width: 520px; }
  .av-chat-app { margin: 20px 14px 40px; border-radius: 14px; max-width: calc(100% - 28px); }
}
@media (max-width: 560px) {
  .av-trust { grid-template-columns: 1fr 1fr; }
  .av-welcome__title { font-size: 30px; }
  .av-footer { flex-direction: column; gap: 6px; }
  .av-footer__separator { display: none; }
}
@media (max-width: 400px) {
  .av-hero__title { font-size: clamp(34px, 8vw, 40px); }
  .av-hero__sub { font-size: 16px; }
  .av-trust__item b { font-size: 22px; }
  .av-marketing-top { padding: 14px 16px; }
  .av-marketing-top__cta { padding: 8px 14px; font-size: 13px; }
}