/* styles.css - production (scoped under .qna-app) */
* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
}

.qna-app {
    --bg: #ffffff;
    --panel: #ffffff;
    --panel2: #f8f9fa;
    --text: #202122;
    --muted: #54595d;
    --border: #eaecf0;
    --border2: #c8ccd1;
    --primary: #3366cc;
    --primary2: #2a55ad;

    --radius: 16px;
    --radius2: 12px;
    --shadow: 0 1px 0 rgba(0, 0, 0, .03);
    --shadow2: 0 10px 30px rgba(0, 0, 0, .06);

    --maxw: 1120px;

    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

    /* ✅ word-break global */
    overflow-wrap: anywhere;
    word-break: break-word;
}

@media (prefers-color-scheme: dark) {
    .qna-app.qna-auto {
        --bg: #0b0e14;
        --panel: #0f1420;
        --panel2: #0c111b;
        --text: #e9edf6;
        --muted: #a3aab6;
        --border: #1e2636;
        --border2: #2a3550;
        --primary: #6aa4ff;
        --primary2: #4f8df5;
        --shadow: 0 1px 0 rgba(255, 255, 255, .03);
        --shadow2: 0 10px 30px rgba(0, 0, 0, .35);
    }
}

.qna-app.qna-dark {
    --bg: #0b0e14;
    --panel: #0f1420;
    --panel2: #0c111b;
    --text: #e9edf6;
    --muted: #a3aab6;
    --border: #1e2636;
    --border2: #2a3550;
    --primary: #6aa4ff;
    --primary2: #4f8df5;
    --shadow: 0 1px 0 rgba(255, 255, 255, .03);
    --shadow2: 0 10px 30px rgba(0, 0, 0, .35);
}

.qna-wrap {
    width: min(var(--maxw), calc(100% - 28px));
    margin: 0 auto;
    padding: 14px 0 34px;
}

/* topbar */
.qna-topbar {
    top: 0;
    z-index: 50;
    background: color-mix(in oklab, var(--bg) 90%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.qna-topbar-inner {
    width: min(var(--maxw), calc(100% - 28px));
    margin: 0 auto;
    padding: 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.qna-brand h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 950;
    letter-spacing: -0.2px;
}

.qna-brand p {
    margin: 4px 0 0;
    font-size: 12.5px;
    color: var(--muted);
}

.qna-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    min-width: 0;
}

.qna-chip {
    border: 1px solid var(--border);
    background: var(--panel);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--muted);
    max-width: min(520px, 90vw);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.qna-btn {
    border: 1px solid var(--border2);
    background: var(--panel2);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 12px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 800;
    box-shadow: var(--shadow);
}

.qna-btn:hover {
    background: var(--panel);
}

.qna-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.qna-btnPrimary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.qna-btnPrimary:hover {
    background: var(--primary2);
}

.qna-help {
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.45;
}

.qna-sr {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.qna-input,
.qna-select,
.qna-textarea {
    width: 100%;
    border: 1px solid var(--border2);
    background: var(--panel);
    color: var(--text);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
    min-width: 0;
}

.qna-input:focus,
.qna-select:focus,
.qna-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 22%, transparent);
}

.qna-textarea {
    min-height: 120px;
    resize: vertical;
}

/* grid */
.qna-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 14px;
}

@media (max-width: 1020px) {
    .qna-grid {
        grid-template-columns: 1fr;
    }
}

/* panels */
.qna-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    overflow: clip;
    box-shadow: var(--shadow);
}

.qna-panelHeader {
    padding: 12px 14px;
    background: var(--panel2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.qna-panelHeader h2,
.qna-panelHeader h3 {
    margin: 0;
    font-size: 14.5px;
    font-weight: 950;
}

.qna-panelBody {
    padding: 14px;
}

/* topic box */
.qna-topicBox {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    background: var(--panel);
    box-shadow: var(--shadow);
    margin-top: 14px;
}

.qna-topicBox h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 950;
    letter-spacing: -0.2px;
}

.qna-topicBox p {
    margin: 10px 0 0;
    color: var(--muted);
    line-height: 1.6;
}

/* list on home */
.qna-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.qna-thread {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}

.qna-thread:last-child {
    border-bottom: none;
}

.qna-thread a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.qna-threadTitle {
    margin: 0;
    font-size: 15px;
    font-weight: 950;
    line-height: 1.25;
}

.qna-threadDesc {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.qna-threadMeta {
    margin-top: 9px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 12px;
}

.qna-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--panel);
}

.qna-empty {
    padding: 14px;
    color: var(--muted);
    font-size: 13.5px;
}

/* replies */
.qna-reply {
    border: 1px solid var(--border);
    border-radius: var(--radius2);
    padding: 12px;
    background: var(--panel);
    margin-top: 10px;
}

.qna-replyText {
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 14px;
}

.qna-replyMeta {
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
}

/* skeleton */
.qna-skel {
    border-radius: 12px;
    background: linear-gradient(90deg,
            color-mix(in oklab, var(--panel2) 92%, transparent),
            color-mix(in oklab, var(--panel) 92%, transparent),
            color-mix(in oklab, var(--panel2) 92%, transparent));
    background-size: 200% 100%;
    animation: qna-shimmer 1.1s linear infinite;
}

@keyframes qna-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.qna-skel-line {
    height: 12px;
    margin: 8px 0;
}

.qna-skel-title {
    height: 16px;
    margin: 8px 0 10px;
    width: 72%;
}

.qna-skel-card {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}

.qna-skel-card:last-child {
    border-bottom: none;
}

/* sticky composer (desktop only) */
.qna-sticky {
    top: 74px;
}

/* ✅ mobile reorder: topic -> add reply -> replies */
@media (max-width: 1020px) {
    .qna-app .qna-grid>aside.qna-panel {
        order: 1;
    }

    .qna-app .qna-grid>section.qna-panel {
        order: 2;
    }

    .qna-app .qna-sticky {
        position: static;
        top: auto;
    }
}

/* very small devices */
@media (max-width: 420px) {
    .qna-chip {
        max-width: 92vw;
    }

    .qna-btn {
        width: 100%;
    }

    .qna-controls {
        width: 100%;
    }

    .qna-topbar-inner {
        align-items: flex-start;
    }
}

/* footer */
.qna-siteFooter {
    margin-top: 18px;
    border-top: 1px solid var(--border);
    padding: 16px 0 10px;
    color: var(--muted);
}

.qna-siteFooter .inner {
    width: min(var(--maxw), calc(100% - 28px));
    margin: 0 auto;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}

.qna-siteFooter .links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.qna-siteFooter a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dotted color-mix(in oklab, var(--muted) 55%, transparent);
}

.qna-siteFooter a:hover {
    border-bottom-style: solid;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Thin scrollbar */
::-webkit-scrollbar {
    width: 3px;
}

::-webkit-scrollbar-thumb {
    background: #b5b5b5;
    border-radius: 2px;
}

::-webkit-scrollbar-track {
    background: transparent;
}