/* ServoApp - clean, responsive light theme. Shared by all pages. */
:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #1f2a37;
  --muted: #667085;
  --line: #e3e8ef;
  --brand: #1466c0;
  --brand-2: #0ea5a4;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --fail: #b42318;
  --fail-bg: #fdecea;
  --warn: #b54708;
  --warn-bg: #fef3e6;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16,24,40,.08), 0 1px 2px rgba(16,24,40,.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 15px;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header ---- */
.site-header {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(90deg, #0f2a52, #1466c0);
  color: #fff; padding: 12px 20px; position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 8px rgba(16,24,40,.18);
}
.site-header .brand { font-weight: 700; font-size: 18px; white-space: nowrap; letter-spacing: .2px; }
.topnav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.topnav a {
  color: #e8f0ff; padding: 6px 10px; border-radius: 8px; font-size: 14px; white-space: nowrap;
}
.topnav a:hover { background: rgba(255,255,255,.14); text-decoration: none; }
.topnav a.active { background: rgba(255,255,255,.22); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lang-select { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #e8f0ff; }
.lang-select select {
  background: #fff; color: #1f2a37; border: 0; border-radius: 8px; padding: 5px 8px; font-size: 13px;
}
.btn {
  padding: 7px 12px; border-radius: 8px; font-size: 14px; font-weight: 600; white-space: nowrap;
  border: 1px solid rgba(255,255,255,.5);
}
.btn-home { background: #fff; color: #1466c0; border-color: #fff; }
.btn-email { background: #0ea5a4; color: #fff; }
.btn-email:hover { background: #0c8f8e; text-decoration: none; }
.btn:hover { text-decoration: none; opacity: .94; }

/* ---- Layout ---- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 22px 18px 40px; }
.hero {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow); margin-bottom: 22px;
}
.hero h1 { margin: 0 0 8px; font-size: 26px; }
.hero p { margin: 8px 0; color: var(--muted); }
.hero .intro { color: var(--ink); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(16,24,40,.12); }
.card h3 { margin: 0 0 6px; font-size: 17px; color: var(--brand); }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .go { display: inline-block; margin-top: 12px; font-weight: 600; }

.section {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.section h2 { margin: 0 0 14px; font-size: 20px; }
.section h3 { margin: 18px 0 10px; font-size: 16px; color: var(--brand-2); }

/* ---- Forms ---- */
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; color: var(--muted); font-weight: 600; }
.field input, .field select {
  padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px;
  background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.field .unit { font-size: 12px; color: var(--muted); }

/* ---- Results ---- */
.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.result {
  background: #f8fafc; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
.result .k { font-size: 12px; color: var(--muted); }
.result .v { font-size: 18px; font-weight: 700; margin-top: 2px; }
.result .u { font-size: 12px; color: var(--muted); font-weight: 400; }

.verify { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.check {
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #f8fafc;
}
.check .top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.check .name { font-size: 13px; color: var(--muted); font-weight: 600; }
.badge { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.fail { background: var(--fail-bg); color: var(--fail); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.unknown { background: #eef2f6; color: var(--muted); }
.check .vals { font-size: 13px; margin-top: 6px; }
.check .vals b { font-weight: 700; }

.overall {
  margin-top: 14px; padding: 12px 16px; border-radius: 10px; font-weight: 700; font-size: 16px;
}
.overall.ok { background: var(--ok-bg); color: var(--ok); }
.overall.fail { background: var(--fail-bg); color: var(--fail); }
.overall.unknown { background: #eef2f6; color: var(--muted); }

.note {
  background: #f0f6ff; border: 1px solid #cfe0fb; border-radius: 10px; padding: 12px 14px;
  font-size: 13px; color: #23324a;
}
.note code { background: #e4edfb; padding: 1px 5px; border-radius: 5px; }

/* ---- Tables ---- */
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td { border: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: top; }
table.tbl th { background: #f1f5f9; font-weight: 700; }
table.tbl tr:nth-child(even) td { background: #fafcfe; }

table.std { width: 100%; border-collapse: collapse; }
table.std td { border-bottom: 1px solid var(--line); padding: 8px 6px; vertical-align: top; }
table.std td.code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-weight: 700; color: var(--brand); white-space: nowrap; width: 200px; }

ul.clean { padding-left: 18px; }
ul.clean li { margin: 6px 0; }

footer.site-footer {
  text-align: center; color: var(--muted); font-size: 12px; padding: 22px 18px 30px;
  border-top: 1px solid var(--line); background: var(--panel);
}

.pill { display: inline-block; background: #eef2f6; border-radius: 999px; padding: 2px 10px; font-size: 12px; color: var(--muted); margin: 2px 4px 2px 0; }

@media (max-width: 640px) {
  .site-header { gap: 10px; padding: 10px 14px; }
  .topnav { order: 3; width: 100%; }
  .brand { font-size: 16px; }
  .hero h1 { font-size: 22px; }
}

/* ===== Products catalog ===== */
.filter-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.meta-line { color: var(--muted); font-size: 13px; margin: 8px 0 12px; }
.table-wrap { overflow-x: auto; }
.prod-table { width: 100%; border-collapse: collapse; background: var(--panel); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.prod-table th, .prod-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.prod-table th { background: #f0f4f9; color: var(--ink); font-weight: 600; }
.prod-row { cursor: pointer; }
.prod-row:hover { background: #f7fafc; }
.prod-row td .u { color: var(--muted); font-size: 12px; margin-left: 2px; }
.prod-detail td { background: #fbfcfd; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.prod-detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 6px 16px; margin-bottom: 8px; }
.prod-notes { margin: 8px 0 10px; color: var(--ink); font-size: 13px; line-height: 1.6; background: #f7fafc; padding: 10px; border-radius: 6px; }
.prod-actions { margin-top: 6px; }
.btn-use, .btn-clear { background: var(--brand); color: #fff; border: 0; padding: 6px 12px; border-radius: 6px; font-size: 13px; cursor: pointer; }
.btn-use:hover { background: #0e4f99; }
.btn-clear { background: #94a3b8; margin-left: 8px; }
.btn-clear:hover { background: #64748b; }

.brand-card { padding: 14px; }
.brand-card h4 { margin: 0 0 6px; font-size: 16px; }
.brand-card .badge-model-count { display: inline-block; background: var(--brand); color: #fff; padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; vertical-align: middle; }
.brand-card .brand-meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.brand-card .brand-rules { font-size: 13px; line-height: 1.55; margin: 8px 0; }
.brand-card .brand-source { color: var(--muted); font-size: 12px; border-top: 1px dashed var(--line); padding-top: 6px; }

/* ===== Selection prefill ===== */
#prefillSection .card { padding: 16px; }
.prefill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 6px 16px; margin: 10px 0; }
.prefill-grid > div { font-size: 14px; }
.prefill-check { padding: 10px; border-radius: 6px; font-size: 13px; line-height: 1.6; }
.prefill-check.pass { background: var(--ok-bg); color: var(--ok); }
.prefill-check.fail { background: var(--fail-bg); color: var(--fail); }
.prefill-check.unknown { background: var(--warn-bg); color: var(--warn); }

@media (max-width: 640px) {
  .prod-table th, .prod-table td { padding: 6px 6px; font-size: 13px; }
}