/*
 * ai-search.css — Frontend-Styles fuer die KI-Toolsuite-Suche.
 *
 * BEM-Namespacing: Namespace ai-, Block search.
 *   .ai-search              — Wrapper
 *   .ai-search__<element>   — Bestandteile
 *   .ai-search--<modifier>  — Block-Modifier
 *   .ai-search__<element>--<modifier> — Element-Modifier
 *
 * CI: Navy #196297, Dark Navy #0f3f62, Gold #D4A84B, Grau #E8EAEC,
 *     Font Manrope (auf der Toolsuite-Seite bereits geladen).
 *
 * Phase 1: Basis-Layout. Wird in Phase 4 finalisiert.
 */

/* ---- CSS-Variablen (Toolsuite-CI) ---------------------------------------- */
.ai-search {
    --ai-search-navy:        #196297;
    --ai-search-navy-dark:   #0f3f62;
    --ai-search-gold:        #D4A84B;
    --ai-search-grey:        #E8EAEC;
    --ai-search-grey-light:  #FAFBFC;
    --ai-search-text:        #1a1a1a;
    --ai-search-text-muted:  #6b7280;
    --ai-search-border:      #d1d5db;
    --ai-search-radius:      8px;
    --ai-search-shadow:      0 1px 3px rgba(15, 63, 98, 0.08);

    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ai-search-text);
    max-width: 1100px;
    margin: 2rem auto;
    padding: 1.5rem 2rem;
    background: #ffffff;
    border: 1px solid var(--ai-search-border);
    border-radius: var(--ai-search-radius);
    box-shadow: var(--ai-search-shadow);
}

/* ---- Header -------------------------------------------------------------- */
.ai-search__header {
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--ai-search-grey);
    padding-bottom: 1rem;
}
.ai-search__title {
    margin: 0 0 0.25rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ai-search-navy);
}
.ai-search__subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: var(--ai-search-text-muted);
}

/* ---- Formular ------------------------------------------------------------ */
.ai-search__form {
    margin-bottom: 1.25rem;
}
.ai-search__label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--ai-search-navy-dark);
}
.ai-search__input-wrap {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}
.ai-search__input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--ai-search-border);
    border-radius: var(--ai-search-radius);
    background: var(--ai-search-grey-light);
    transition: border-color 0.15s ease, background-color 0.15s ease;
}
.ai-search__input:focus {
    outline: none;
    border-color: var(--ai-search-navy);
    background: #ffffff;
}
.ai-search__submit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--ai-search-navy);
    border: none;
    border-radius: var(--ai-search-radius);
    cursor: pointer;
    transition: background-color 0.15s ease;
}
.ai-search__submit:hover {
    background: var(--ai-search-navy-dark);
}
.ai-search__submit:disabled {
    background: var(--ai-search-text-muted);
    cursor: not-allowed;
}
.ai-search__icon {
    flex-shrink: 0;
}

/* ---- Status (Loading) ---------------------------------------------------- */
.ai-search__status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--ai-search-grey-light);
    border: 1px solid var(--ai-search-grey);
    border-radius: var(--ai-search-radius);
    color: var(--ai-search-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}
.ai-search__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--ai-search-grey);
    border-top-color: var(--ai-search-navy);
    border-radius: 50%;
    animation: ai-search-spin 0.8s linear infinite;
}
@keyframes ai-search-spin {
    to { transform: rotate(360deg); }
}

/* ---- Antwort ------------------------------------------------------------- */
.ai-search__answer {
    border: 1px solid var(--ai-search-grey);
    border-radius: var(--ai-search-radius);
    background: var(--ai-search-grey-light);
    padding: 1.25rem;
    margin-top: 0.5rem;
}
.ai-search__answer-head {
    margin-bottom: 0.75rem;
}
.ai-search__answer-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ai-search-navy);
}
.ai-search__answer-body {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ai-search-text);
}
.ai-search__answer-body p {
    margin: 0 0 0.75rem 0;
}
.ai-search__answer-body p:last-child {
    margin-bottom: 0;
}
.ai-search__answer-body strong {
    color: var(--ai-search-navy-dark);
    font-weight: 600;
}
.ai-search__list {
    margin: 0 0 0.75rem 0;
    padding-left: 1.25rem;
}
.ai-search__list li {
    margin-bottom: 0.25rem;
}
.ai-search__list--ol {
    list-style: decimal;
}

/* ---- Antwort-Markdown: Headings, Code, Links, Kursiv ------------------- */
.ai-search__heading {
    margin: 1rem 0 0.5rem 0;
    color: var(--ai-search-navy-dark);
    font-weight: 700;
    line-height: 1.25;
}
h3.ai-search__heading { font-size: 1.15rem; }
h4.ai-search__heading { font-size: 1.05rem; }
h5.ai-search__heading { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.02em; }
.ai-search__answer-body em {
    font-style: italic;
    color: var(--ai-search-text);
}
.ai-search__code {
    background-color: var(--ai-search-grey);
    color: var(--ai-search-navy-dark);
    padding: 0.1em 0.35em;
    border-radius: 4px;
    font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
    font-size: 0.92em;
}
.ai-search__link {
    color: var(--ai-search-navy);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}
.ai-search__link:hover,
.ai-search__link:focus {
    color: var(--ai-search-navy-dark);
}

/* Blinkender Cursor waehrend des Streamings */
.ai-search__cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--ai-search-navy);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: ai-search-blink 0.85s step-end infinite;
}
@keyframes ai-search-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}
.ai-search__answer-foot {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--ai-search-grey);
}
.ai-search__sources-title {
    margin: 0 0 0.5rem 0;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ai-search-text-muted);
}
.ai-search__sources {
    list-style: none;
    margin: 0 0 1rem 0;
    padding: 0;
    font-size: 0.9rem;
    color: var(--ai-search-navy-dark);
}
.ai-search__sources-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--ai-search-grey);
}
.ai-search__sources-item:last-child {
    border-bottom: none;
}
.ai-search__sources-item--empty {
    color: var(--ai-search-text-muted);
    font-style: italic;
    border-bottom: none;
}
.ai-search__sources-title-text {
    flex: 1;
    line-height: 1.35;
}
.ai-search__sources-score {
    flex-shrink: 0;
    font-size: 0.78rem;
    color: var(--ai-search-text-muted);
    font-variant-numeric: tabular-nums;
}

/* ---- Feedback ------------------------------------------------------------ */
.ai-search__feedback {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}
.ai-search__feedback-prompt {
    font-size: 0.85rem;
    color: var(--ai-search-text-muted);
    margin-right: 0.5rem;
}
.ai-search__feedback-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: #ffffff;
    border: 1px solid var(--ai-search-border);
    border-radius: var(--ai-search-radius);
    color: var(--ai-search-text-muted);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.ai-search__feedback-btn:hover {
    color: var(--ai-search-navy);
    border-color: var(--ai-search-navy);
}
.ai-search__feedback-btn--up.ai-search__feedback-btn--active {
    color: #15803d;
    border-color: #15803d;
}
.ai-search__feedback-btn--down.ai-search__feedback-btn--active {
    color: #b91c1c;
    border-color: #b91c1c;
}

/* ---- Fehler -------------------------------------------------------------- */
.ai-search__error {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--ai-search-radius);
    color: #b91c1c;
    font-size: 0.95rem;
}

/* ---- State-Modifier ------------------------------------------------------ */
.ai-search__status--hidden,
.ai-search__answer--hidden,
.ai-search__error--hidden {
    display: none;
}

/* ---- Block-Modifier (Login-Schutz, Placeholder) ------------------------- */
.ai-search--locked {
    padding: 1.5rem 1.75rem;
    text-align: center;
    color: var(--ai-search-text-muted);
    background: var(--ai-search-grey-light);
    border: 1px solid var(--ai-search-border);
    border-radius: var(--ai-search-radius);
    box-shadow: var(--ai-search-shadow);
    max-width: 820px;
    margin: 2rem auto;
}
.ai-search__locked-text {
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--ai-search-text);
}
.ai-search__locked-action {
    margin: 0;
}
.ai-search__locked-link {
    display: inline-block;
    padding: 0.55rem 1.25rem;
    background: var(--ai-search-navy);
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--ai-search-radius);
    transition: background-color 0.15s ease;
}
.ai-search__locked-link:hover,
.ai-search__locked-link:focus {
    background: var(--ai-search-navy-dark);
    color: #ffffff;
}
.ai-search--placeholder {
    padding: 1.5rem;
    text-align: center;
    color: var(--ai-search-text-muted);
    background: var(--ai-search-grey-light);
    border: 1px dashed var(--ai-search-border);
}

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 600px) {
    .ai-search {
        margin: 1rem;
        padding: 1rem;
    }
    .ai-search__input-wrap {
        flex-direction: column;
    }
    .ai-search__submit {
        justify-content: center;
    }
}

/* ============================================================================
   Phase 4.1: Verlauf-UI, Folgefragen, Kopier-Buttons, klickbare Quellen
   ============================================================================ */

/* ---- Header mit "Neues Gespraech"-Button -------------------------------- */
.ai-search__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}
.ai-search__header-text {
    flex: 1;
}
.ai-search__reset {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: #ffffff;
    color: var(--ai-search-navy);
    border: 1px solid var(--ai-search-border);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}
.ai-search__reset:hover,
.ai-search__reset:focus {
    border-color: var(--ai-search-navy);
    background-color: var(--ai-search-navy);
    color: #ffffff;
    outline: none;
}
.ai-search__reset[hidden] {
    display: none;
}
/* Modifier fuer den zweiten Reset-Button unter dem Formular:
   etwas Abstand nach oben, eigene Zentrierung. */
.ai-search__reset--unten {
    margin-top: 0.5rem;
    align-self: flex-start;
}

/* ---- Conversation-Container --------------------------------------------- */
.ai-search__conversation {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.ai-search__conversation:empty {
    margin-bottom: 0;
}

/* ---- Frage-Bubble (Chat-artig, rechtsbuendig) --------------------------- */
.ai-search__qa-frage {
    align-self: flex-end;
    max-width: 75%;
    padding: 0.7rem 1rem;
    background: linear-gradient(135deg, var(--ai-search-navy-dark), var(--ai-search-navy));
    color: #ffffff;
    border-radius: 16px 16px 4px 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: var(--ai-search-shadow);
    word-break: break-word;
}

/* ---- Loading-Punkte ----------------------------------------------------- */
.ai-search__loading {
    display: flex;
    gap: 0.4rem;
    padding: 0.5rem 0;
}
.ai-search__loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ai-search-navy);
    opacity: 0.3;
    animation: ai-search-bounce 1.2s infinite;
}
.ai-search__loading-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-search__loading-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes ai-search-bounce {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
    40%           { opacity: 1;   transform: scale(1);    }
}

/* ---- Aktions-Leiste (Kopieren / Feedback) ------------------------------ */
.ai-search__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--ai-search-grey);
}
.ai-search__actions-spacer {
    flex: 1 1 1rem;
    min-width: 0;
}
.ai-search__action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background-color: #ffffff;
    color: var(--ai-search-text);
    border: 1px solid var(--ai-search-border);
    border-radius: var(--ai-search-radius);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}
/* Hover und Focus: kraeftig Navy mit weisser Schrift - so leakt das
   WordPress-Theme keinen grauen Hover-Background durch. */
.ai-search__action-btn:hover,
.ai-search__action-btn:focus {
    background-color: var(--ai-search-navy);
    border-color: var(--ai-search-navy);
    color: #ffffff;
    outline: none;
}
.ai-search__action-btn--kopiert,
.ai-search__action-btn--kopiert:hover,
.ai-search__action-btn--kopiert:focus {
    background-color: var(--ai-search-navy-dark);
    color: #ffffff;
    border-color: var(--ai-search-navy-dark);
}
.ai-search__action-label {
    line-height: 1;
}

/* ---- Klickbare Quellen ------------------------------------------------- */
.ai-search__sources-link {
    color: var(--ai-search-navy);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
    flex: 1;
    line-height: 1.35;
}
.ai-search__sources-link:hover,
.ai-search__sources-link:focus {
    color: var(--ai-search-navy-dark);
    border-bottom-color: var(--ai-search-navy-dark);
}

/* ---- Hinweis unter dem Formular ---------------------------------------- */
.ai-search__hint {
    margin: 0.5rem 0 0 0;
    font-size: 0.78rem;
    color: var(--ai-search-text-muted);
    font-style: italic;
}

/* ---- Mobile-Anpassungen ------------------------------------------------ */
@media (max-width: 600px) {
    .ai-search__header {
        flex-direction: column;
        align-items: stretch;
    }
    .ai-search__qa-frage {
        max-width: 92%;
    }
    .ai-search__actions {
        gap: 0.4rem;
    }
    .ai-search__actions-spacer {
        display: none;
    }
}