/* Blueprints tab — black + mint-green. Variables fall back to literals so this
   sheet is correct even if loaded before the global palette in calc.css. */

#blueprints_root {
    --bp-bg: var(--bg, #0b0f0d);
    --bp-panel: var(--panel, #141a17);
    --bp-card: var(--card, #171e1a);
    --bp-accent: var(--accent, #3eb489);
    --bp-accent-2: var(--accent-2, #5fd6a6);
    --bp-text: var(--text, #d7e0db);
    --bp-muted: var(--muted, #8a9a92);
    --bp-border: var(--border, #243029);
    --bp-danger: #d65f5f;

    color: var(--bp-text);
    max-width: 1100px;
}

/* Toolbar */
.bp-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}
.bp-search,
.bp-category {
    background: var(--bp-panel);
    color: var(--bp-text);
    border: 1px solid var(--bp-border);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 14px;
}
.bp-search { flex: 1 1 220px; min-width: 180px; }
.bp-search:focus,
.bp-category:focus { outline: none; border-color: var(--bp-accent); }
.bp-new { margin-left: auto; }

/* Buttons */
.bp-btn {
    background: var(--bp-panel);
    color: var(--bp-text);
    border: 1px solid var(--bp-border);
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 14px;
    cursor: pointer;
}
.bp-btn:hover { border-color: var(--bp-accent); }
.bp-btn-primary {
    background: var(--bp-accent);
    color: #07120d;
    border-color: var(--bp-accent);
    font-weight: 600;
}
.bp-btn-primary:hover { background: var(--bp-accent-2); }
.bp-btn-danger { color: var(--bp-danger); border-color: #3a2626; }
.bp-btn-danger:hover { border-color: var(--bp-danger); }

/* Gallery grid */
.bp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.bp-card {
    display: flex;
    flex-direction: column;
    background: var(--bp-card);
    border: 1px solid var(--bp-border);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform .08s ease, border-color .08s ease;
}
.bp-card:hover {
    transform: translateY(-2px);
    border-color: var(--bp-accent);
}
.bp-card-thumb {
    aspect-ratio: 16 / 10;
    background: #0e1411;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.bp-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bp-card-thumb-fallback {
    color: #07120d;
    font-size: 38px;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--bp-accent), var(--bp-accent-2));
}
.bp-card-body { padding: 12px 14px; }
.bp-card-title { font-size: 15px; font-weight: 600; line-height: 1.3; }
.bp-card-meta { margin-top: 8px; }

.bp-badge {
    display: inline-block;
    background: rgba(62, 180, 137, .15);
    color: var(--bp-accent-2);
    border: 1px solid var(--bp-border);
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 12px;
}
.bp-tag {
    display: inline-block;
    color: var(--bp-muted);
    font-size: 12px;
    margin-left: 8px;
}

.bp-empty, .bp-loading {
    grid-column: 1 / -1;
    color: var(--bp-muted);
    padding: 40px 0;
    text-align: center;
}

/* Article */
.bp-article { max-width: 900px; }
.bp-article-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}
.bp-article-actions { display: flex; gap: 8px; }
.bp-back {
    background: none;
    border: none;
    color: var(--bp-accent);
    cursor: pointer;
    font-size: 14px;
    padding: 6px 0;
}
.bp-back:hover { color: var(--bp-accent-2); text-decoration: underline; }
.bp-title { font-size: 26px; margin: 6px 0 8px; color: #fff; }
.bp-article-meta { margin-bottom: 18px; }

.bp-video {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border: 1px solid var(--bp-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 18px;
}
.bp-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.bp-video-link a { color: var(--bp-accent); }

.bp-string-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.bp-string-hint { color: var(--bp-muted); font-size: 13px; }

.bp-body { line-height: 1.6; }
.bp-body h2 { font-size: 20px; margin: 22px 0 8px; color: #fff; border-bottom: 1px solid var(--bp-border); padding-bottom: 4px; }
.bp-body h3 { font-size: 16px; margin: 18px 0 6px; color: var(--bp-accent-2); }
.bp-body a { color: var(--bp-accent); }
.bp-body code {
    background: #0e1411;
    border: 1px solid var(--bp-border);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: 13px;
}
.bp-body pre { background: #0e1411; border: 1px solid var(--bp-border); border-radius: 8px; padding: 12px; overflow: auto; }
.bp-body pre code { border: none; padding: 0; }
.bp-body table { border-collapse: collapse; margin: 12px 0; }
.bp-body th, .bp-body td { border: 1px solid var(--bp-border); padding: 6px 12px; text-align: left; }
.bp-body th { background: var(--bp-panel); }
.bp-body img { max-width: 100%; border-radius: 8px; }
.bp-body blockquote { border-left: 3px solid var(--bp-accent); margin: 12px 0; padding: 4px 14px; color: var(--bp-muted); }

.bp-gallery-heading { font-size: 20px; margin: 26px 0 10px; color: #fff; }
/* Screenshots stack vertically and show in full — never cropped. Each scales
   down to fit the article width but is otherwise shown at its natural size. */
.bp-gallery {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.bp-gallery a {
    display: block;
    align-self: flex-start;
    max-width: 100%;
}
.bp-gallery img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--bp-border);
    border-radius: 8px;
    display: block;
}

/* Editor */
.bp-editor { max-width: 920px; }
.bp-field { margin-bottom: 14px; }
.bp-label { display: block; font-size: 13px; color: var(--bp-muted); margin-bottom: 4px; }
.bp-input {
    width: 100%;
    background: var(--bp-panel);
    color: var(--bp-text);
    border: 1px solid var(--bp-border);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 14px;
    box-sizing: border-box;
}
.bp-input:focus { outline: none; border-color: var(--bp-accent); }
.bp-input[readonly] { color: var(--bp-muted); }
.bp-textarea { min-height: 320px; resize: vertical; font-family: ui-monospace, "Cascadia Code", Menlo, Consolas, monospace; line-height: 1.5; }
.bp-textarea-small { min-height: 70px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }

.bp-body-edit-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bp-body-edit-col { display: flex; flex-direction: column; }
.bp-preview {
    min-height: 320px;
    background: var(--bp-panel);
    border: 1px solid var(--bp-border);
    border-radius: 6px;
    padding: 10px 14px;
    overflow: auto;
}

.bp-dropzone {
    border: 1px dashed var(--bp-border);
    border-radius: 8px;
    padding: 18px;
    text-align: center;
    color: var(--bp-muted);
    cursor: pointer;
    background: var(--bp-panel);
}
.bp-dropzone:hover, .bp-dropzone.dragover { border-color: var(--bp-accent); color: var(--bp-text); }
.bp-images-hint { font-size: 12px; color: var(--bp-muted); margin: 8px 0; }
.bp-images-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.bp-images-empty { color: var(--bp-muted); font-size: 13px; }
.bp-image-item {
    border: 1px solid var(--bp-border);
    border-radius: 8px;
    padding: 6px;
    background: var(--bp-card);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.bp-image-item.is-thumb { border-color: var(--bp-accent); }
.bp-image-item img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 4px; }
.bp-image-name { font-size: 11px; color: var(--bp-muted); word-break: break-all; }
.bp-mini {
    background: var(--bp-panel);
    color: var(--bp-text);
    border: 1px solid var(--bp-border);
    border-radius: 4px;
    padding: 3px 6px;
    font-size: 11px;
    cursor: pointer;
}
.bp-mini:hover { border-color: var(--bp-accent); }
.bp-mini-danger:hover { border-color: var(--bp-danger); color: var(--bp-danger); }

.bp-editor-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }
.bp-status { color: var(--bp-muted); font-size: 13px; }

/* Publish panel (download + GitHub commit links) */
.bp-publish { max-width: 760px; }
.bp-publish-intro { color: var(--bp-muted); margin-bottom: 16px; line-height: 1.55; }
.bp-step {
    background: var(--bp-card);
    border: 1px solid var(--bp-border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 14px;
}
.bp-step h2 { font-size: 16px; margin: 0 0 8px; color: #fff; }
.bp-step-path {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12px;
    color: var(--bp-accent-2);
    background: #0e1411;
    border: 1px solid var(--bp-border);
    border-radius: 6px;
    padding: 4px 8px;
    display: inline-block;
    margin-bottom: 10px;
    word-break: break-all;
}
.bp-step-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.bp-step-hint { color: var(--bp-muted); font-size: 12px; margin: 8px 0 0; line-height: 1.5; }
.bp-btn-link { text-decoration: none; }

@media (max-width: 720px) {
    .bp-body-edit-cols { grid-template-columns: 1fr; }
}

/* Credits tab — reuses .bp-body typography, which references the --bp-* palette
   vars that are otherwise scoped to #blueprints_root, so define them here too. */
.credits, .sources {
    --bp-accent: var(--accent);
    --bp-accent-2: var(--accent-2);
    --bp-border: var(--border);
    --bp-panel: var(--panel);
    --bp-text: var(--text);
    --bp-muted: var(--muted);
    max-width: 760px;
    padding: 4px 2px 24px;
}
.credits h1, .sources h1 { font-size: 26px; color: #fff; margin: 6px 0 16px; }
.credits h3, .sources h3 { color: var(--accent-2); }
.credits ul, .credits ol, .sources ul, .sources ol { padding-left: 1.3em; }
.credits li, .sources li { margin: 6px 0; }

/* Ratios tab (uses the global palette vars, since it's outside #blueprints_root) */
.ratio-intro { color: var(--muted); max-width: 820px; margin: 4px 0 16px; }
.ratio-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 16px;
    max-width: 920px;
}
.ratio-title { font-size: 18px; color: var(--accent-2); margin: 0 0 14px; }
.ratio-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.ratio-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 84px;
}
.ratio-count { font-size: 20px; font-weight: 700; color: var(--accent); line-height: 1.2; }
.ratio-stage .icon { margin: 4px 0; }
.ratio-label { font-size: 12px; color: var(--muted); max-width: 120px; line-height: 1.3; }
.ratio-arrow { font-size: 28px; color: var(--muted); }
.ratio-equals { font-size: 22px; color: var(--muted); }
.ratio-result {
    font-size: 18px;
    font-weight: 700;
    color: #07120d;
    background: var(--accent);
    border-radius: 8px;
    padding: 8px 14px;
}
.ratio-note { color: var(--muted); font-size: 13px; line-height: 1.55; margin: 14px 0 0; }

.belt-ref-row { display: flex; flex-wrap: wrap; gap: 28px; }
.belt-ref { display: flex; flex-direction: column; align-items: center; }
.belt-ref-label { font-size: 13px; color: var(--text); margin-top: 4px; }
.belt-ref-rate { font-size: 13px; color: var(--accent); font-weight: 600; }
.ratio-icon-missing {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border: 1px dashed var(--border);
    color: var(--muted);
    border-radius: 6px;
}