/* ── Sourcebook Plugin – Front-end Styles ───────────────────────────── */
:root {
    --sb-primary:   #1F4E79;
    --sb-accent:    #2E86C1;
    --sb-light:     #D6E4F0;
    --sb-border:    #C8D8E8;
    --sb-text:      #2c3e50;
    --sb-muted:     #6c7a89;
    --sb-radius:    8px;
    --sb-shadow:    0 2px 12px rgba(0,0,0,.10);
}

.sb-wrap { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--sb-text); }

/* ── Search box ── */
.sb-search-box {
    background: #fff;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 18px 20px;
    box-shadow: var(--sb-shadow);
    margin-bottom: 20px;
}
.sb-search-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.sb-search-input {
    flex: 1 1 260px;
    padding: 10px 14px;
    border: 1.5px solid var(--sb-border);
    border-radius: 6px;
    font-size: 15px;
    outline: none;
    transition: border-color .2s;
}
.sb-search-input:focus { border-color: var(--sb-accent); }

.sb-batch-select {
    padding: 10px 12px;
    border: 1.5px solid var(--sb-border);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    cursor: pointer;
}

/* ── Buttons ── */
.sb-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--sb-primary);
    color: #fff !important;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none !important;
    transition: background .2s, transform .1s;
    white-space: nowrap;
}
.sb-btn:hover { background: var(--sb-accent); transform: translateY(-1px); }
.sb-btn:active { transform: translateY(0); }

/* ── Table ── */
.sb-table-wrap {
    overflow-x: auto;
    border-radius: var(--sb-radius);
    box-shadow: var(--sb-shadow);
}
.sb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.sb-table thead tr { background: var(--sb-primary); color: #fff; }
.sb-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}
.sb-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--sb-border);
    vertical-align: top;
}
.sb-table tbody tr:nth-child(even) { background: var(--sb-light); }
.sb-table tbody tr:hover { background: #bee3f8; }
.sb-table tfoot tr { background: #eaf2fb; font-weight: 700; }

/* ── Results meta ── */
.sb-results-meta {
    font-size: 13px;
    color: var(--sb-muted);
    margin: 10px 0 8px;
}

/* ── Pagination ── */
.sb-pagination {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 14px;
}
.sb-page-btn {
    padding: 6px 12px;
    border: 1.5px solid var(--sb-border);
    border-radius: 5px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    transition: background .15s;
}
.sb-page-btn:hover, .sb-page-btn.active { background: var(--sb-primary); color: #fff; border-color: var(--sb-primary); }

/* ── Loading spinner ── */
.sb-loading { text-align: center; padding: 30px; color: var(--sb-muted); }
.sb-spinner {
    display: inline-block;
    width: 22px; height: 22px;
    border: 3px solid var(--sb-border);
    border-top-color: var(--sb-accent);
    border-radius: 50%;
    animation: sb-spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}
@keyframes sb-spin { to { transform: rotate(360deg); } }

/* ── No results ── */
.sb-no-results {
    text-align: center;
    padding: 30px;
    color: var(--sb-muted);
    background: #f9fbfd;
    border-radius: var(--sb-radius);
    border: 1px dashed var(--sb-border);
}

/* ── Summary ── */
.sb-summary-header {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    background: var(--sb-primary);
    color: #fff;
    padding: 14px 18px;
    border-radius: var(--sb-radius) var(--sb-radius) 0 0;
    font-size: 14px;
    margin-bottom: -1px;
}
.sb-summary-header strong { font-size: 16px; }

/* ── Download ── */
.sb-download-wrap { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.sb-dl-select { padding: 10px 12px; border: 1.5px solid var(--sb-border); border-radius: 6px; font-size: 14px; }

/* ── Upload ── */
.sb-upload-card {
    background: #fff;
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 28px 24px;
    box-shadow: var(--sb-shadow);
    max-width: 560px;
}
.sb-upload-card h3 { margin-top: 0; color: var(--sb-primary); font-size: 18px; }
.sb-upload-desc { color: var(--sb-muted); font-size: 13px; margin-top: -6px; margin-bottom: 20px; }
.sb-upload-form { display: flex; flex-direction: column; gap: 14px; }
.sb-field { display: flex; flex-direction: column; gap: 5px; }
.sb-field label { font-size: 13px; font-weight: 600; color: var(--sb-text); }
.sb-input {
    padding: 10px 12px;
    border: 1.5px solid var(--sb-border);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color .2s;
}
.sb-input:focus { border-color: var(--sb-accent); outline: none; }

/* File drop zone */
.sb-file-drop {
    position: relative;
    border: 2px dashed var(--sb-border);
    border-radius: 8px;
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    background: #f9fbfd;
}
.sb-file-drop input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.sb-file-drop:hover, .sb-file-drop.sb-drag-over {
    border-color: var(--sb-accent);
    background: #eaf4fb;
}
.sb-file-drop.sb-file-selected { border-color: #27ae60; background: #eafaf1; }
.sb-drop-label { display: flex; align-items: center; justify-content: center; gap: 10px; pointer-events: none; }
.sb-drop-icon { font-size: 22px; }
#sb-file-name { font-size: 13px; color: var(--sb-muted); }
.sb-file-selected #sb-file-name { color: #27ae60; font-weight: 600; }

/* Progress */
.sb-progress-bar {
    background: var(--sb-light);
    border-radius: 99px;
    height: 10px;
    margin: 14px 0 6px;
    overflow: hidden;
}
.sb-progress-fill {
    height: 100%;
    background: var(--sb-accent);
    width: 0%;
    transition: width .3s;
    border-radius: 99px;
}
#sb-fe-msg, #sb-progress-msg { font-size: 13px; color: var(--sb-muted); margin: 4px 0 0; }

/* Alerts */
.sb-alert {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-top: 14px;
}
.sb-alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.sb-alert-error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.sb-empty { color: var(--sb-muted); font-style: italic; }

/* ── Highlight match in results ── */
.sb-highlight { background: #fff176; border-radius: 2px; padding: 0 1px; }

@media (max-width: 600px) {
    .sb-search-row { flex-direction: column; }
    .sb-search-input, .sb-batch-select, .sb-btn { width: 100%; }
}