:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --ink: #16191f;
  --ink-2: #4b5260;
  --ink-3: #7b8290;
  --line: #e3e6eb;
  --line-2: #d3d8df;
  --accent: #1e3a8a;
  --accent-ink: #ffffff;
  --accent-soft: #e8edfa;
  --good: #166534; --good-bg: #e7f5ec;
  --warn: #8a5300; --warn-bg: #fdf3e1;
  --alert: #a1261b; --alert-bg: #fdecea;
  --info: #1e4f8a; --info-bg: #e8f0fb;
  --done: #ffffff; --done-bg: #16191f;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--font); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; line-height: 1.25; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 16px 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
p { margin: 0 0 10px; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.pre { white-space: pre-wrap; word-break: break-word; }
.hidden { display: none !important; }

/* ---------- top bar ---------- */
.topbar { background: var(--ink); color: #fff; }
.topbar-inner { max-width: 1240px; margin: 0 auto; padding: 0 20px; height: 56px; display: flex; align-items: center; gap: 20px; }
.brand { color: #fff; font-weight: 700; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 26px; height: 26px; border: 2px solid #fff; border-radius: 6px; display: grid; place-items: center; font-size: 12px; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: #c9ced8; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,.1); text-decoration: none; }
.open-id { display: flex; }
.topbar .open-id input { width: 170px; height: 32px; border: 1px solid #3a404c; background: #232831; color: #fff; border-radius: 6px 0 0 6px; padding: 0 10px; font: inherit; font-size: 13px; }
.topbar .open-id input::placeholder { color: #8a92a0; }
.topbar .open-id button { height: 32px; border: 1px solid #3a404c; border-left: 0; background: #2c323c; color: #fff; border-radius: 0 6px 6px 0; padding: 0 10px; cursor: pointer; font: inherit; font-size: 13px; }
.user-menu { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.user-menu .who { text-align: right; line-height: 1.2; }
.user-menu .who small { display: block; color: #8a92a0; font-size: 11.5px; }
.user-menu a, .user-menu button.linklike { color: #c9ced8; }
.linklike { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; color: var(--accent); }
.menu-toggle { display: none; }

/* ---------- page ---------- */
.page { max-width: 1240px; margin: 0 auto; padding: 24px 20px 60px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head .sub { color: var(--ink-3); margin-top: 4px; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.crumb { font-size: 12.5px; color: var(--ink-3); margin-bottom: 6px; }
.crumb a { color: var(--ink-3); }

.layout-2 { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
.stack > * + * { margin-top: 16px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.card.flush { padding: 0; overflow: hidden; }
.card.flush .card-head { padding: 14px 20px 0; }

/* ---------- alerts ---------- */
.alert { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid transparent; }
.alert-success { background: var(--good-bg); color: var(--good); border-color: #c4e6cf; }
.alert-error { background: var(--alert-bg); color: var(--alert); border-color: #f4c8c3; }
.alert-info { background: var(--info-bg); color: var(--info); border-color: #c9daf3; }
.next-action { display: flex; gap: 12px; align-items: flex-start; background: var(--accent-soft); border: 1px solid #c9d4f1; border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; color: #1b2d63; }
.next-action strong { white-space: nowrap; }

/* ---------- badges ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.badge-neutral { background: #eef0f3; color: #3c4350; }
.badge-muted { background: #f1f2f4; color: #7b8290; }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-alert { background: var(--alert-bg); color: var(--alert); }
.badge-good { background: var(--good-bg); color: var(--good); }
.badge-done { background: var(--done-bg); color: var(--done); }
.tag { display: inline-block; font-size: 11.5px; padding: 1px 7px; border-radius: 4px; background: #eef0f3; color: var(--ink-2); font-weight: 600; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 6px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #172e70; }
.btn-dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-danger { color: var(--alert); border-color: #eab9b3; }
.btn-danger:hover { background: var(--alert-bg); }
.btn-sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
form.inline { display: inline; }

/* ---------- forms ---------- */
.form label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 14px; color: var(--ink); }
.form label small { display: block; font-weight: 400; color: var(--ink-3); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], input:not([type]), select, textarea {
  display: block; width: 100%; margin-top: 6px; height: 38px; padding: 0 10px; border: 1px solid var(--line-2); border-radius: 6px;
  background: #fff; color: var(--ink); font: inherit; font-weight: 400;
}
textarea { height: auto; min-height: 96px; padding: 8px 10px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #c7d2f5; border-color: var(--accent); }
input[type=file] { display: block; margin-top: 6px; font: inherit; font-weight: 400; font-size: 13px; }
.form .check, label.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.check input { width: auto; height: auto; margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
.span-2 { grid-column: span 2; }
.field-error { color: var(--alert); font-weight: 500; font-size: 12.5px; margin-top: 4px; }
.form-section { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 4px; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; padding-top: 8px; flex-wrap: wrap; }
.req-mark { color: var(--alert); font-weight: 600; }
fieldset { border: 0; padding: 0; margin: 0; }
.radio-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.radio-card { border: 1px solid var(--line-2); border-radius: var(--radius); padding: 12px; cursor: pointer; font-weight: 600 !important; margin: 0 !important; display: flex !important; gap: 8px; align-items: flex-start; }
.radio-card input { margin-top: 3px; width: auto; height: auto; }
.radio-card small { display: block; font-weight: 400; color: var(--ink-3); }
.radio-card:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 600; background: var(--surface-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td { font-weight: 700; border-top: 1px solid var(--line-2); background: var(--surface-2); }
.list-table tbody tr:hover { background: var(--surface-2); }
.row-link { color: var(--ink); font-weight: 600; }
.price-input { min-width: 680px; }
.price-input td { padding: 6px; }
.price-input input { margin: 0; height: 34px; }
.price-input .col-no { width: 40px; color: var(--ink-3); text-align: center; padding-top: 14px; }
.price-input .col-qty { width: 110px; }
.price-input .col-unit { width: 110px; }
.price-input .col-rate { width: 130px; }
.price-input .col-total { width: 130px; padding-top: 14px; }
.price-input .col-del { width: 40px; }
.icon-btn { width: 30px; height: 30px; border: 1px solid transparent; background: none; border-radius: 6px; cursor: pointer; color: var(--ink-3); font-size: 18px; line-height: 1; margin-top: 2px; }
.icon-btn:hover { background: var(--alert-bg); color: var(--alert); }

/* ---------- details ---------- */
.dl { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 8px 16px; margin: 0; }
.dl dt { color: var(--ink-3); font-size: 13px; }
.dl dd { margin: 0; word-break: break-word; }
.spec-box { background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; white-space: pre-wrap; word-break: break-word; }

.files { list-style: none; margin: 0; padding: 0; }
.files li { display: flex; gap: 10px; align-items: center; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.files li:last-child { border-bottom: 0; }
.file-ico { width: 30px; height: 34px; border: 1px solid var(--line-2); border-radius: 4px; display: grid; place-items: center; font-size: 9px; font-weight: 700; color: var(--ink-2); background: #fff; flex: none; text-transform: uppercase; }
.files .meta { font-size: 12px; color: var(--ink-3); }

/* ---------- progress ---------- */
.steps { display: grid; grid-template-columns: repeat(9, 1fr); gap: 4px; margin-bottom: 18px; counter-reset: s; }
.step { position: relative; padding-top: 10px; font-size: 11.5px; color: var(--ink-3); line-height: 1.3; }
.step::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 2px; background: var(--line); }
.step.done::before { background: var(--ink); }
.step.current::before { background: var(--accent); }
.step.current { color: var(--accent); font-weight: 700; }
.step.done { color: var(--ink-2); }
.step-closed { margin-bottom: 18px; }

/* ---------- timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; padding: 0 0 14px 18px; }
.timeline li::before { content: ""; position: absolute; left: 3px; top: 7px; width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.timeline li::after { content: ""; position: absolute; left: 6px; top: 16px; bottom: 0; width: 1px; background: var(--line); }
.timeline li:last-child::after { display: none; }
.timeline .when { font-size: 12px; color: var(--ink-3); }

.rev { border: 1px solid var(--line); border-radius: 6px; margin-bottom: 8px; }
.rev summary { padding: 10px 12px; cursor: pointer; display: flex; gap: 10px; align-items: center; list-style: none; flex-wrap: wrap; }
.rev summary::-webkit-details-marker { display: none; }
.rev summary::before { content: "▸"; color: var(--ink-3); }
.rev[open] summary::before { content: "▾"; }
.rev .rev-body { padding: 0 12px 12px; }

.comment { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; margin-bottom: 8px; }
.comment.internal { background: #fffbeb; border-color: #f2e2b3; }
.comment .head { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--ink-3); margin-bottom: 4px; }
.comment .head strong { color: var(--ink); }

/* ---------- filters ---------- */
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { display: inline-flex; gap: 6px; align-items: center; padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 999px; background: #fff; color: var(--ink-2); font-size: 13px; }
.chip:hover { text-decoration: none; border-color: var(--ink-3); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip .n { font-size: 11.5px; color: var(--ink-3); }
.chip.active .n { color: #c9ced8; }
.search-row { display: flex; gap: 8px; margin-bottom: 14px; }
.search-row input { margin: 0; max-width: 360px; }

/* ---------- compare ---------- */
.compare-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.compare-col { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: flex; flex-direction: column; }
.compare-col header { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.compare-col header h3 { margin: 0 0 4px; text-transform: none; letter-spacing: 0; font-size: 15px; color: var(--ink); }
.compare-col .body { padding: 12px 16px; flex: 1; }
.compare-col footer { padding: 12px 16px; border-top: 1px solid var(--line); background: var(--surface-2); display: flex; gap: 8px; flex-wrap: wrap; }
.compare-total { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 10px; font-size: 13px; margin-bottom: 10px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
.mini-table th, .mini-table td { padding: 6px 6px; font-size: 12.5px; }

.empty { text-align: center; padding: 36px 20px; color: var(--ink-3); }

/* ---------- guest / login ---------- */
body.guest { background: var(--bg); }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card .brand { color: var(--ink); margin-bottom: 18px; justify-content: center; }
.login-card .brand-mark { border-color: var(--ink); }
.install { max-width: 760px; margin: 40px auto; padding: 0 20px 60px; }
.install h1 { margin-bottom: 18px; }
.install .card { margin-bottom: 16px; }
.install h2 { margin-top: 10px; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li.ok { color: var(--good); }
.checks li.bad { color: var(--alert); font-weight: 600; }

.pagination { display: flex; gap: 6px; margin-top: 14px; }

@media (max-width: 1000px) {
  .layout-2 { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 10px; }
}
@media (max-width: 860px) {
  .topbar-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 10px; }
  .menu-toggle { display: inline-flex; margin-left: auto; background: none; border: 1px solid #3a404c; color: #fff; border-radius: 6px; height: 32px; padding: 0 10px; font: inherit; }
  .nav, .open-id, .user-menu { display: none; width: 100%; }
  .topbar.open .nav { display: flex; flex-direction: column; }
  .topbar.open .open-id { display: flex; }
  .topbar.open .topbar .open-id input { flex: 1; width: auto; }
  .topbar.open .user-menu { display: flex; justify-content: space-between; padding-bottom: 6px; }
  .user-menu .who { text-align: left; }
  .page { padding: 18px 16px 48px; }
  .grid-2, .grid-3, .radio-cards { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
  .dl { grid-template-columns: 1fr; gap: 2px; }
  .dl dd { margin-bottom: 8px; }
  .card { padding: 16px; }
}
@media print {
  .topbar, .actions, .no-print, .next-action { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; padding: 0; }
  .layout-2 { grid-template-columns: minmax(0, 1fr); }
}

.topbar .open-id input { margin: 0; display: inline-block; }