/* ============================================================
 * FRAAG AI Chat — front.css
 * Uses CSS custom properties set by PHP via <style> in <head>.
 * Variables: --fraag-primary, --fraag-dark, --fraag-light, --fraag-chat-height
 * ============================================================ */

/* ── Fallback variables (overridden by PHP inject) ── */
:root {
    --fraag-primary:     #0055aa;
    --fraag-dark:        #272727;
    --fraag-light:       #ffffff;
    --fraag-chat-height: 350px;
    --fraag-chat-width:  100%;
    --fraag-radius:      0.75rem;
    --fraag-gap:         0.75rem;
}

/* ── Container ── */
.fraag-ai-chat {
    font-family: inherit;
    color: var(--fraag-dark);
    width: var(--fraag-chat-width);
    max-width: 100%;
    box-sizing: border-box;
}

/* ── Result wrapper ── */
.fraag-result-wrapper {
    height: var(--fraag-chat-height);
    overflow-y: auto;
    overflow-x: hidden;
    display: none;
    margin-bottom: 1rem;
    scroll-behavior: smooth;
}
.fraag-result-wrapper.show {
    display: block;
}

/* ── Each Q&A pair ── */
.fraag-result-item {
    margin-bottom: 2rem;
    padding: 0 0.5rem;
}

/* ── User message (right-aligned) ── */
.fraag-result-item-request {
    text-align: right;
    margin-bottom: 1rem;
}
.fraag-result-item-request .fraag-result-item-message {
    display: inline-block;
    background: rgba(0, 0, 0, 0.07);
    padding: 0.5rem 1rem;
    border-radius: var(--fraag-radius);
    line-height: 1.5;
    max-width: 80%;
    text-align: left;
}

/* ── Bot answer ── */
.fraag-result-item-answer .fraag-result-item-message {
    background: none;
    padding: 0;
    line-height: 1.6;
}
.fraag-result-item-answer .fraag-result-item-message p:first-child { margin-top: 0; }
.fraag-result-item-answer .fraag-result-item-message p:last-child  { margin-bottom: 0; }

/* ── Information bar (time + actions) ── */
.fraag-result-item-information {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.6rem;
    gap: var(--fraag-gap);
}

/* ── Timestamp ── */
.fraag-result-item-datetime {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: rgba(0, 0, 0, 0.4);
    font-size: 0.8rem;
}
.fraag-result-item-datetime svg,
.fraag-result-item-datetime img {
    width: 0.85rem;
    height: 0.85rem;
    flex-shrink: 0;
    opacity: 0.5;
}

/* ── Action buttons ── */
.fraag-result-item-action {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}
.fraag-result-item-action button {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 0.25rem;
    color: var(--fraag-dark);
    transition: background 0.15s;
}
.fraag-result-item-action button:hover {
    background: rgba(0, 0, 0, 0.08);
}
.fraag-result-item-action button svg,
.fraag-result-item-action button img {
    width: 1rem;
    height: 1rem;
}
.fraag-result-item-action .fraag-good-answer.selected svg,
.fraag-result-item-action .fraag-good-answer.selected path,
.fraag-result-item-action .fraag-bad-answer.selected  svg,
.fraag-result-item-action .fraag-bad-answer.selected  path {
    stroke: var(--fraag-primary);
}

/* ── Energy popover ── */
.fraag-btn-energy {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 0.15rem;
    color: var(--fraag-dark);
    opacity: 0.6;
    display: inline-flex;
    align-items: center;
}
.fraag-btn-energy svg,
.fraag-btn-energy img { width: 0.9rem; height: 0.9rem; }

/* ── Modal (popover API) ── */
.fraag-modal {
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: var(--fraag-radius);
    padding: 1.2rem 1.5rem;
    background: var(--fraag-light);
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    max-width: 340px;
    font-size: 0.9rem;
    line-height: 1.5;
}
.fraag-modal ul { margin: 0.4rem 0 0 1.2rem; padding: 0; }
.fraag-modal li { margin-bottom: 0.25rem; }
.fraag-modal-bot-name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}
.fraag-energy-modal { font-size: 0.85rem; max-width: 260px; }
.fraag-energy-modal ul { list-style: none; margin-left: 0; }
.fraag-energy-modal li { margin-bottom: 0.2rem; }

/* ── Input form ── */
.fraag-form-wrapper {
    display: flex;
    align-items: center;
    gap: var(--fraag-gap);
}
.fraag-form {
    flex: 1;
    display: flex;
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: var(--fraag-radius);
    overflow: hidden;
    background: var(--fraag-light);
}
.fraag-request {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.6rem 1rem;
    font-size: 1rem;
    background: transparent;
    color: var(--fraag-dark);
}
.fraag-btn-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 0.9rem;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--fraag-dark);
    transition: background 0.15s, color 0.15s;
}
.fraag-btn-search svg,
.fraag-btn-search img { width: 1.1rem; height: 1.1rem; }
.fraag-btn-search:disabled {
    opacity: 0.35;
    cursor: default;
}
.fraag-btn-search:not(:disabled):hover {
    background: var(--fraag-primary);
    color: var(--fraag-light);
}
.fraag-btn-search:not(:disabled):hover svg {
    stroke: var(--fraag-light);
}

/* ── Info button ── */
.fraag-btn-info {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.55;
    color: var(--fraag-dark);
    padding: 0.3rem;
    transition: opacity 0.15s;
}
.fraag-btn-info:hover { opacity: 1; }
.fraag-btn-info svg,
.fraag-btn-info img { width: 1.2rem; height: 1.2rem; }

/* ── Icons (uploaded as <img>) ── */
.fraag-icon { display: inline-block; vertical-align: middle; }

/* ── Skeleton loader ── */
.fraag-skeleton-wrapper { padding: 0.5rem 0; }
.fraag-skeleton {
    background: linear-gradient(90deg, #ebebeb 25%, #d8d8d8 50%, #ebebeb 75%);
    background-size: 200% 100%;
    animation: fraagShimmer 1.4s infinite;
    border-radius: 0.5rem;
    margin: 0.4rem 0;
}
.fraag-skeleton.line       { height: 0.55rem; width: 80%; }
.fraag-skeleton.line.short { width: 45%; }
.fraag-skeleton.line.mid   { width: 62%; }
@keyframes fraagShimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}

/* ── Typing cursor ── */
.fraag-cursor {
    display: inline-block;
    width: 0.15rem;
    height: 1em;
    background: var(--fraag-dark);
    animation: fraagBlink 1s infinite;
    vertical-align: text-bottom;
    margin-left: 0.15rem;
}
@keyframes fraagBlink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ── Suggested questions ── */
.fraag-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.fraag-suggestions--hidden {
    display: none;
}
.fraag-suggestion-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border: 1.5px solid var(--fraag-primary);
    border-radius: 999px;
    background: transparent;
    color: var(--fraag-primary);
    font-size: 0.875rem;
    line-height: 1.4;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-align: left;
}
.fraag-suggestion-btn:hover,
.fraag-suggestion-btn:focus-visible {
    background: var(--fraag-primary);
    color: var(--fraag-light);
    outline: none;
}

/* ── Screen-reader only ── */
.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;
}
