/*
 * Digital Signature (เพิ่มเติม) / Performance (เพิ่มเติม) / Vendors / Skills / Knowledge — component ใหม่
 * (ออกแบบเพิ่มให้ครบตาม COMPONENT_REGISTRY ไม่ได้สกัดจากไฟล์ preview ต้นฉบับ)
 * ต้องโหลดหลัง tokens.css และ components.css
 */

/* ===== Signature history ===== */
.signature-history-item { display: flex; align-items: center; gap: 12px; padding: 12px 2px; border-bottom: 1px solid var(--border); }
.signature-history-item:last-child { border-bottom: 0; }
.signature-history-item .sig-thumb { width: 52px; height: 34px; border-radius: 8px; background: var(--surface-muted); display: grid; place-items: center; color: var(--muted); flex: 0 0 auto; }
.signature-history-item div { flex: 1; min-width: 0; }
.signature-history-item strong { display: block; font-size: 13px; }
.signature-history-item small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.signature-history-item code { font-size: 10px; }

/* ===== KPI scorecard grid ===== */
.kpi-scorecard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.kpi-scorecard { padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.kpi-scorecard span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.kpi-scorecard strong { display: block; font-size: 26px; letter-spacing: -.02em; }
.kpi-scorecard .kpi-trend { display: inline-flex; align-items: center; gap: 4px; margin-top: 6px; font-size: 12px; font-weight: 700; }
.kpi-scorecard .kpi-trend.up { color: var(--success); }
.kpi-scorecard .kpi-trend.down { color: var(--danger); }
.kpi-scorecard .kpi-trend svg { width: 13px; height: 13px; }

/* ===== Vendor directory ===== */
.vendor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.vendor-card { padding: 16px; background: var(--surface-subtle); border: 1px solid var(--border); border-radius: 14px; }
.vendor-card .vendor-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.vendor-card .vendor-logo { width: 42px; height: 42px; border-radius: 11px; background: var(--brand-800); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px; flex: 0 0 auto; }
.vendor-card h4 { margin: 0; font-size: 14px; }
.vendor-card .vendor-category { color: var(--muted); font-size: 12px; }
.vendor-card .vendor-contact { display: grid; gap: 4px; font-size: 12px; color: var(--text-soft); margin-top: 10px; }
.vendor-card .vendor-contact span { display: flex; align-items: center; gap: 6px; }
.vendor-card .vendor-contact svg { width: 13px; height: 13px; color: var(--muted); }

/* ===== Skill matrix ===== */
.skill-matrix-row { display: flex; align-items: center; gap: 12px; padding: 11px 2px; border-bottom: 1px solid var(--border); }
.skill-matrix-row:last-child { border-bottom: 0; }
.skill-matrix-row .tech-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-weight: 800; font-size: 11px; flex: 0 0 auto; }
.skill-matrix-row .tech-name { flex: 0 0 130px; font-size: 13px; font-weight: 700; }
.skill-matrix-row .skill-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.skill-tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; background: var(--surface-muted); font-size: 11px; font-weight: 700; color: var(--text-soft); }
.skill-tag .level-dots { display: inline-flex; gap: 2px; }
.skill-tag .level-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--border-strong); }
.skill-tag .level-dots i.filled { background: var(--primary); }

/* ===== Knowledge base ===== */
.kb-article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.kb-article-card { padding: 15px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; transition: box-shadow .15s ease, border-color .15s ease; }
.kb-article-card:hover { box-shadow: var(--shadow-sm); border-color: var(--border-strong); }
.kb-article-card .kb-category { display: inline-block; margin-bottom: 8px; }
.kb-article-card h4 { margin: 0 0 8px; font-size: 14px; line-height: 1.4; }
.kb-article-card .kb-meta { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 11.5px; }
.kb-article-card .kb-meta span { display: flex; align-items: center; gap: 4px; }
.kb-article-card .kb-meta svg { width: 13px; height: 13px; }

/* ===== FAQ accordion ===== */
.faq-accordion { display: grid; gap: 8px; }
.faq-item { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 15px; cursor: pointer; font-weight: 700; font-size: 13.5px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-chevron { flex: 0 0 auto; transition: transform .18s ease; color: var(--muted); }
.faq-item[open] summary .faq-chevron { transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 15px 15px; color: var(--text-soft); font-size: 13px; line-height: 1.6; }

@media (max-width: 500px) {
  .skill-matrix-row { flex-wrap: wrap; }
  .skill-matrix-row .tech-name { flex-basis: 100%; }
}