/* ============================================================
   WP AI RAG Chatbot — Frontend
   Minimalistisches, ruhiges Design
   ============================================================ */

.wpairag-chatbot,
.wpairag-chatbot *,
.wpairag-lock,
.wpairag-lock * {
    box-sizing: border-box;
}

/* ---------- Floating Button -------------------------------- */

.wpairag-lock {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .16);
    z-index: 999999;
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
    -webkit-user-select: none;
    user-select: none;
}
.wpairag-lock:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, .2);
}
.wpairag-lock:active { transform: translateY(0) scale(.96); }
.wpairag-lock:focus-visible {
    outline: 2px solid var(--wpairag-primary, #007aff);
    outline-offset: 3px;
}
.wpairag-lock-hidden {
    opacity: 0;
    transform: scale(.6);
    pointer-events: none;
}

/* ---------- Chat Panel ------------------------------------- */

.wpairag-chatbot {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: #1d1d1f;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 480px;
    max-width: calc(100vw - 32px);
    height: 800px;
    max-height: calc(100vh - 48px);
    z-index: 999998;
    box-shadow: 0 16px 48px rgba(0, 0, 0, .14), 0 2px 8px rgba(0, 0, 0, .06);
    transform-origin: bottom right;
}
.wpairag-chatbot.wpairag-closed { display: none; }
.wpairag-chatbot.wpairag-opening {
    animation: wpairag-open .28s cubic-bezier(.32, .72, .35, 1);
}
@keyframes wpairag-open {
    from { opacity: 0; transform: scale(.94) translateY(12px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ---------- Header ------------------------------------------ */

.wpairag-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 16px;
    font-weight: 600;
    font-size: 15px;
    color: var(--wpairag-header-text, #1d1d1f);
    background: var(--wpairag-header-bg, #fff);
    border-bottom: 1px solid rgba(0, 0, 0, .07);
}
.wpairag-header .wpairag-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.wpairag-header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}
.wpairag-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #86868b;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}
.wpairag-icon-btn:hover {
    background: rgba(0, 0, 0, .06);
    color: #1d1d1f;
}
.wpairag-icon-btn:focus-visible {
    outline: 2px solid var(--wpairag-primary, #007aff);
    outline-offset: -2px;
}

/* ---------- Messages ---------------------------------------- */

.wpairag-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    scroll-behavior: smooth;
    background: var(--wpairag-messages-bg, #f5f5f7);
}
.wpairag-messages::-webkit-scrollbar { width: 5px; }
.wpairag-messages::-webkit-scrollbar-track { background: transparent; }
.wpairag-messages::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, .18); border-radius: 3px; }

/* ---------- Bubbles ------------------------------------------ */

.wpairag-msg {
    max-width: 82%;
    padding: 9px 14px;
    border-radius: 18px;
    font-size: 15px;
    line-height: 1.35;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    animation: wpairag-fadein .18s ease-out;
}
@keyframes wpairag-fadein {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.wpairag-msg.user {
    align-self: flex-end;
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    border-bottom-right-radius: 5px;
}
.wpairag-msg.bot {
    align-self: flex-start;
    background: var(--wpairag-bot-bg, #e9e9eb);
    color: #1d1d1f;
    border-bottom-left-radius: 5px;
}
/* Text formatting inside bubbles */
.wpairag-msg p { margin: 0 0 8px; }
.wpairag-msg p:last-child { margin-bottom: 0; }
.wpairag-msg h1,
.wpairag-msg h2,
.wpairag-msg h3 {
    margin: 12px 0 6px;
    line-height: 1.3;
    font-weight: 600;
}
.wpairag-msg h1 { font-size: 17px; }
.wpairag-msg h2 { font-size: 16px; }
.wpairag-msg h3 { font-size: 15px; }
.wpairag-msg h1:first-child,
.wpairag-msg h2:first-child,
.wpairag-msg h3:first-child { margin-top: 0; }
.wpairag-msg ul,
.wpairag-msg ol {
    margin: 6px 0;
    padding-left: 18px;
}
.wpairag-msg li { margin-bottom: 3px; }
.wpairag-msg li:last-child { margin-bottom: 0; }
.wpairag-msg a {
    color: var(--wpairag-primary, #007aff);
    text-decoration: none;
}
.wpairag-msg a:hover { text-decoration: underline; }
.wpairag-msg code {
    font-size: .88em;
    background: rgba(0, 0, 0, .06);
    padding: 1px 5px;
    border-radius: 4px;
    word-break: break-all;
}
.wpairag-msg pre {
    font-size: .88em;
    background: rgba(0, 0, 0, .06);
    padding: 10px 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
}
.wpairag-msg pre code { background: none; padding: 0; }
.wpairag-msg blockquote {
    margin: 8px 0;
    padding: 2px 0 2px 12px;
    border-left: 3px solid rgba(0, 0, 0, .15);
}
.wpairag-msg hr {
    border: none;
    border-top: 1px solid rgba(0, 0, 0, .1);
    margin: 10px 0;
}

/* ---------- Sources ------------------------------------------- */

.wpairag-msg.bot .wpairag-sources {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, .1);
    font-size: 13px;
}
.wpairag-msg.bot .wpairag-sources strong {
    display: block;
    margin-bottom: 3px;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .02em;
    color: rgba(0, 0, 0, .5);
}
.wpairag-msg.bot .wpairag-sources ul { margin: 0; padding: 0; list-style: none; }
.wpairag-msg.bot .wpairag-sources li { padding: 0; margin: 8px 0 8px; line-height: 1.2; }
wpairag-msg.bot .wpairag-sources li:last-child { margin-bottom: 0; }
.wpairag-msg.bot .wpairag-sources a { color: var(--wpairag-primary, #007aff); }

/* ---------- Typing Indicator ---------------------------------- */

.wpairag-typing {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 13px 16px;
    align-self: flex-start;
    background: var(--wpairag-bot-bg, #e9e9eb);
    border-radius: 18px;
    border-bottom-left-radius: 5px;
}
.wpairag-typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #9c9ca1;
    animation: wpairag-bounce 1.2s infinite;
}
.wpairag-typing span:nth-child(2) { animation-delay: .2s; }
.wpairag-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes wpairag-bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
}

/* ---------- Input Area ---------------------------------------- */

.wpairag-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px;
    background: #fff;
    border-top: 1px solid rgba(0, 0, 0, .07);
}
#wpairag-input {
    flex: 1;
    resize: none;
    border: 1px solid rgba(0, 0, 0, .12);
    border-radius: 8px;
    padding: 9px 14px;
    margin: 0;
    font-size: 15px;
    font-family: inherit;
    line-height: 1.4;
    outline: none;
    box-shadow: none;
    background: #f5f5f7;
    color: #1d1d1f;
    max-height: 120px;
    transition: border-color .15s ease, background .15s ease;
}
#wpairag-input::placeholder { color: #86868b; }
#wpairag-input:focus {
    border-color: var(--wpairag-primary, #007aff);
    background: #fff;
}
#wpairag-input:disabled {
    background: #e8e8ed;
    color: #86868b;
    cursor: not-allowed;
}
#wpairag-send {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border: none;
    border-radius: 50%;
    padding: 0;
    background: var(--wpairag-primary, #007aff);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity .15s ease, transform .15s ease;
}
#wpairag-send:hover:not(:disabled) { transform: scale(1.07); }
#wpairag-send:active:not(:disabled) { transform: scale(.96); }
#wpairag-send:disabled { opacity: .3; cursor: default; }
#wpairag-send:focus-visible {
    outline: 2px solid var(--wpairag-primary, #007aff);
    outline-offset: 2px;
}

/* ---------- Dark Mode ------------------------------------------ */

@media (prefers-color-scheme: dark) {
    .wpairag-chatbot {
        background: #1c1c1e;
        border-color: rgba(255, 255, 255, .1);
        color: #f5f5f7;
        box-shadow: 0 16px 48px rgba(0, 0, 0, .5);
    }
    .wpairag-header {
        background: #1c1c1e;
        border-bottom-color: rgba(255, 255, 255, .08);
        color: #f5f5f7;
    }
    .wpairag-icon-btn { color: #98989d; }
    .wpairag-icon-btn:hover { background: rgba(255, 255, 255, .08); color: #f5f5f7; }
    .wpairag-messages { background: #111112; }
    .wpairag-messages::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .2); }
    .wpairag-msg.bot { background: #2c2c2e; color: #f5f5f7; }
    .wpairag-msg code,
    .wpairag-msg pre { background: rgba(255, 255, 255, .08); }
    .wpairag-msg blockquote { border-left-color: rgba(255, 255, 255, .2); }
    .wpairag-msg hr { border-top-color: rgba(255, 255, 255, .12); }
    .wpairag-msg.bot .wpairag-sources { border-top-color: rgba(255, 255, 255, .12); }
    .wpairag-msg.bot .wpairag-sources strong { color: rgba(255, 255, 255, .45); }
    .wpairag-typing { background: #2c2c2e; }
    .wpairag-typing span { background: #636366; }
    .wpairag-input-area { background: #1c1c1e; border-top-color: rgba(255, 255, 255, .08); }
    #wpairag-input {
        background: #2c2c2e;
        border-color: rgba(255, 255, 255, .12);
        color: #f5f5f7;
    }
    #wpairag-input::placeholder { color: #6e6e73; }
    #wpairag-input:disabled {
        background: #1c1c1e;
        color: #6e6e73;
        cursor: not-allowed;
    }
    #wpairag-input:focus {
        border-color: var(--wpairag-primary, #007aff);
        background: #2c2c2e;
    }
}

/* ---------- Responsive ------------------------------------------ */

@media (max-width: 480px) {
    .wpairag-chatbot {
        width: calc(100vw - 16px);
        max-width: calc(100vw - 16px);
        height: calc(100dvh - 32px);
        max-height: calc(100dvh - 32px);
        bottom: 8px;
        right: 8px;
        border-radius: 0;
    }
    .wpairag-lock {
        bottom: 16px;
        right: 16px;
        width: 50px;
        height: 50px;
    }
    .wpairag-msg { max-width: 88%; }
    .wpairag-header { padding: 11px 14px; }
    .wpairag-messages { padding: 16px 12px; }
    .wpairag-input-area { padding: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .wpairag-chatbot.wpairag-opening,
    .wpairag-msg,
    .wpairag-typing span {
        animation: none;
    }
    .wpairag-messages { scroll-behavior: auto; }
}

/* Suggestion chips */
.wpairag-suggestions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    animation: wpairag-fadein .18s ease-out;
}
.wpairag-suggestion-chip {
    background: transparent;
    border: 1px solid var(--wpairag-primary, #007aff);
    color: var(--wpairag-primary, #007aff);
    border-radius: 18px;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    padding: 5px 12px;
    font-size: 13px;
    line-height: 1.4;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: background .15s ease, color .15s ease;
}
.wpairag-suggestion-chip:hover {
    background: var(--wpairag-primary, #007aff);
    color: #fff;
}
.wpairag-suggestion-chip:focus-visible {
    outline: 2px solid var(--wpairag-primary, #007aff);
    outline-offset: 1px;
}
@media (prefers-reduced-motion: reduce) {
    .wpairag-suggestions { animation: none; }
}
/* Antwort-Bewertung */
.wpairag-rating { display:flex; gap:8px; margin-top:6px; }
.wpairag-rate-btn { background:transparent; border:1px solid rgba(0,0,0,.15); border-radius:12px; padding:2px 10px; font-size:11px; cursor:pointer; color:#555; }
.wpairag-rate-btn:hover { border-color:var(--wpairag-primary,#007aff); color:var(--wpairag-primary,#007aff); }
.wpairag-rated { font-size:11px; color:#888; }

/* Bewertung in Quellen-Zeile */
.wpairag-sources.wpairag-with-rating { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.wpairag-sources.wpairag-with-rating ul { margin:0; display:flex; flex-wrap:wrap; gap:2px 12px; padding-left:18px; }
.wpairag-sources .wpairag-rating { margin-top:0; margin-left:auto; }
.wpairag-rate-btn { display:inline-flex; align-items:center; gap:5px; }
.wpairag-rate-btn svg { width:13px; height:13px; flex:none; }


/* Feedback: Ja/Nein-Frage + Formular im Chat */
.wpairag-feedback-choice { display:flex; gap:8px; margin-top:8px; }
.wpairag-fb-btn { background:#fff; border:1px solid rgba(0,0,0,.18); border-radius:16px; padding:6px 22px; font-size:12px; cursor:pointer; color:#333; transition:border-color .15s, color .15s; }
.wpairag-fb-btn:hover:not(:disabled) { border-color:var(--wpairag-primary,#007aff); color:var(--wpairag-primary,#007aff); }
.wpairag-fb-btn:disabled { opacity:.45; cursor:default; }
.wpairag-fb-btn.wpairag-fb-nein { background:transparent; }
.wpairag-feedback-form { background:#fff; border:1px solid rgba(0,0,0,.12); border-radius:14px; padding:14px; margin-top:10px; display:flex; flex-direction:column; gap:10px; box-shadow:0 1px 4px rgba(0,0,0,.06); }
.wpairag-feedback-form label { font-size:11px; font-weight:600; color:#666; display:flex; flex-direction:column; gap:4px; }
.wpairag-feedback-form label em { font-weight:400; opacity:.7; }
.wpairag-feedback-form textarea, .wpairag-feedback-form input { border:1px solid #ddd; border-radius:8px; padding:8px 10px; font-size:12px; font-family:inherit; width:100%; box-sizing:border-box; resize:vertical; }
.wpairag-feedback-form textarea:focus, .wpairag-feedback-form input:focus { outline:none; border-color:var(--wpairag-primary,#007aff); }
.wpairag-fb-cols { display:flex; gap:8px; }
.wpairag-fb-cols label { flex:1; min-width:0; }
.wpairag-fb-send { align-self:flex-end; background:var(--wpairag-primary,#007aff); color:#fff; border:none; border-radius:16px; padding:8px 18px; font-size:12px; cursor:pointer; transition:filter .15s; }
.wpairag-fb-send:hover:not(:disabled) { filter:brightness(1.1); }
.wpairag-fb-send:disabled { opacity:.5; cursor:default; }

/* Theme-Unabhaengigkeit der Feedback-Buttons */
.wpairag-msg .wpairag-fb-btn { border:1px solid rgba(0,0,0,.18) !important; background:#fff; color:#333; box-shadow:none; }
.wpairag-msg .wpairag-fb-btn:hover:not(:disabled), .wpairag-msg .wpairag-fb-btn:focus, .wpairag-msg .wpairag-fb-btn:focus-visible { border-color:var(--wpairag-primary,#007aff) !important; color:var(--wpairag-primary,#007aff); outline:none !important; box-shadow:none; }
.wpairag-msg .wpairag-fb-btn.wpairag-fb-nein { background:transparent !important; }