:root {
  color-scheme: light;
  --ink: #18211d;
  --muted: #66726c;
  --line: #dfe5e1;
  --surface: #ffffff;
  --soft: #f3f6f3;
  --green: #0a6b4f;
  --green-dark: #064936;
  --green-soft: #e6f4ed;
  --amber: #a75d12;
  --amber-soft: #fff1df;
  --blue: #245da8;
  --blue-soft: #eaf2fc;
  --shadow: 0 18px 50px rgba(27, 49, 39, .08);
}

* { box-sizing: border-box; }
html { background: #eef2ef; }
body { margin: 0; color: var(--ink); font: 14px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.topbar {
  position: sticky; top: 0; z-index: 20; height: 68px; padding: 0 5vw;
  display: flex; align-items: center; justify-content: space-between;
  color: #fff; background: rgba(9, 54, 42, .97); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.brand { display: flex; align-items: center; gap: 11px; color: inherit; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: #f4c95d; color: #193e31; font-weight: 900; letter-spacing: -.04em; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: -2px; color: #a8c5b9; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; }
.topnav { display: flex; align-items: center; gap: 6px; margin-left: 18px; margin-right: auto; }
.topnav a { padding: 8px 11px; border-radius: 9px; color: #c5d9d1; text-decoration: none; font-size: 13px; font-weight: 800; }
.topnav a:hover, .topnav a.active { color: #193e31; background: #f4c95d; }
.catalog-state { display: flex; align-items: center; gap: 8px; color: #c5d9d1; font-size: 12px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #72d2a4; box-shadow: 0 0 0 4px rgba(114,210,164,.14); }
.topbar-button { padding: 5px 9px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; color: #fff; background: transparent; cursor: pointer; font-size: 12px; font-weight: 800; }

.shell { width: min(1440px, 92vw); margin: 0 auto; padding: 52px 0 76px; }
.hidden { display: none !important; }
.auth-shell { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 42px 18px; }
.login-card { width: min(460px, 100%); padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.login-card h1 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: 34px; line-height: 1.1; letter-spacing: -.04em; }
.login-card > p:not(.eyebrow):not(.form-status) { color: var(--muted); }
.login-card label { display: block; margin: 14px 0 6px; color: var(--green-dark); font-weight: 850; }
.login-card input { width: 100%; padding: 11px 12px; border: 1px solid #bdcbc4; border-radius: 10px; background: #fff; }
.login-card button { margin-top: 18px; }
.default-credential { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 18px 0; padding: 14px; border-radius: 14px; background: var(--green-soft); }
.default-credential span { color: var(--muted); font-size: 12px; }
.default-credential strong { color: var(--green-dark); font: 900 18px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; }
.page-heading, .workbench-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.page-heading h1, .workbench-heading h1 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(34px, 5vw, 58px); line-height: 1.05; letter-spacing: -.04em; }
.page-heading p:not(.eyebrow), .workbench-heading p:not(.eyebrow) { max-width: 720px; margin: 12px 0 0; color: var(--muted); font-size: 15px; }
.eyebrow { margin: 0 0 9px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.heading-note, .readonly-badge { flex: none; padding: 8px 12px; border: 1px solid #bfd2c8; border-radius: 999px; color: var(--green-dark); background: rgba(255,255,255,.65); font-weight: 700; font-size: 12px; }
.heading-actions { display: flex; align-items: center; gap: 10px; }

.new-project-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.new-project-form label { display: block; margin-bottom: 6px; color: var(--green-dark); font-weight: 800; }
.new-project-form input, .new-project-form textarea { width: 100%; padding: 10px 12px; border: 1px solid #bdcbc4; border-radius: 9px; background: #fff; }
.new-project-form textarea { resize: vertical; }
.new-project-form .wide-field, .new-project-form .form-actions, .new-project-form .form-status { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; }
.form-status { min-height: 20px; margin: 0; color: var(--amber); }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-card { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.project-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.project-index { color: #9ca8a2; font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.source-chip { padding: 5px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-size: 11px; font-weight: 800; }
.project-card h2 { min-height: 56px; margin: 25px 0 7px; font-size: 21px; line-height: 1.35; }
.project-card > p { min-height: 44px; margin: 0; color: var(--muted); font-size: 13px; }
.track-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 22px 0 16px; }
.track { padding: 12px; border-radius: 12px; background: var(--soft); }
.track.standard { background: var(--green-soft); }
.track span, .track small { display: block; color: var(--muted); font-size: 10px; }
.track strong { display: block; margin: 4px 0 2px; font-size: 22px; }
.track.standard strong { color: var(--green-dark); }
.unknown-text { color: var(--amber) !important; font-size: 17px !important; }
.completeness { margin: 10px 0 18px; color: var(--muted); font-size: 11px; }
.completeness strong { color: var(--ink); }
.open-project, .secondary-button, .back-button { border: 0; cursor: pointer; font-weight: 750; }
.open-project { width: 100%; padding: 11px 14px; border-radius: 10px; color: #fff; background: var(--green); }
.open-project:hover { background: var(--green-dark); }
.scope-note { display: flex; gap: 18px; margin-top: 22px; padding: 17px 19px; border-left: 4px solid #d4aa41; background: rgba(255,255,255,.55); }
.scope-note strong { flex: none; }
.scope-note p { margin: 0; color: var(--muted); }
.loading-card { grid-column: 1 / -1; padding: 50px; text-align: center; border: 1px dashed #b8c4be; border-radius: 18px; color: var(--muted); }
.project-empty { grid-column: 1 / -1; padding: 62px 24px; text-align: center; border: 1px dashed #b8c4be; border-radius: 18px; background: rgba(255,255,255,.55); }
.project-empty .empty-icon { margin-bottom: 8px; color: var(--green); font-size: 34px; }
.project-empty strong { font-size: 18px; }
.project-empty p { max-width: 520px; margin: 8px auto 0; color: var(--muted); }

.back-button { margin-bottom: 22px; padding: 8px 0; color: var(--green); background: transparent; }
.summary-grid { display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.summary-card { padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); }
.summary-card.primary { color: #fff; background: var(--green-dark); border-color: var(--green-dark); }
.summary-card span { display: block; color: var(--muted); font-size: 11px; }
.summary-card.primary span { color: #b8d3c8; }
.summary-card strong { display: block; margin: 7px 0 2px; font-size: 28px; line-height: 1.1; }
.summary-card small { color: var(--muted); }
.summary-card.primary small { color: #d2e2dc; }

.panel { margin-top: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 21px; border-bottom: 1px solid var(--line); }
.panel-heading h2 { margin: 0; font-size: 17px; }
.panel-heading p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.secondary-button { padding: 9px 12px; border: 1px solid #b7c7bf; border-radius: 9px; background: #fff; color: var(--green-dark); }
.secondary-button:disabled { cursor: not-allowed; opacity: .5; }
.toolbar-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.file-button { display: inline-flex; align-items: center; cursor: pointer; font-weight: 750; }
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.configuration-body { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 18px; padding: 20px 22px; }
.pricing-editor > label { display: block; margin-bottom: 7px; color: var(--green-dark); font-weight: 800; }
.pricing-editor > div { display: flex; gap: 8px; }
.pricing-editor input { min-width: 0; flex: 1; padding: 10px 12px; border: 1px solid #bdcbc4; border-radius: 9px; background: #fff; }
.pricing-editor small { display: block; margin-top: 8px; color: var(--muted); }
.import-preview { padding: 14px 16px; border: 1px solid #bed4c8; border-radius: 12px; background: var(--green-soft); }
.import-preview > strong { color: var(--green-dark); }
.import-preview p { margin: 5px 0 10px; color: var(--muted); }
.import-preview ul { max-height: 220px; margin: 8px 0 0; padding-left: 20px; overflow: auto; color: var(--amber); }
.preview-metrics { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.preview-metrics span { padding: 6px 9px; border-radius: 8px; background: #fff; color: var(--muted); }
.preview-metrics b { color: var(--ink); }
.warning-text { color: var(--amber) !important; }
.import-history { padding: 0 22px 8px; }
.import-version-row { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(260px, 1fr) auto; align-items: center; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.import-version-row:last-child { border-bottom: 0; }
.import-version-row strong, .import-version-row small { display: block; }
.import-version-row small { margin-top: 3px; color: var(--muted); }
.version-metrics { display: flex; flex-wrap: wrap; gap: 7px; }
.version-metrics span { padding: 5px 8px; border-radius: 7px; background: var(--soft); color: var(--muted); font-size: 11px; }
.version-actions { display: flex; gap: 7px; }
.version-feature-list { margin-top: 14px; border-top: 1px solid var(--line); }
.version-feature-list > div { padding: 10px 0; border-bottom: 1px solid var(--line); }
.version-feature-list strong, .version-feature-list small { display: block; }
.version-feature-list small { color: var(--muted); }
.role-bars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; padding: 22px; }
.role-bar-head { display: flex; align-items: baseline; justify-content: space-between; }
.role-bar-head strong { font-size: 18px; }
.bar-track { height: 7px; margin-top: 9px; border-radius: 999px; background: #e5ebe7; overflow: hidden; }
.bar-fill { height: 100%; border-radius: inherit; background: var(--green); }

.search-box { width: min(340px, 45vw); display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid #ccd6d0; border-radius: 10px; background: #fafcfa; }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; }
.hierarchy { padding: 14px; }
details { border-radius: 11px; }
details + details { margin-top: 6px; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.tree-summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border-radius: 9px; }
.tree-summary:hover { background: var(--soft); }
.tree-summary > span:first-child::before { content: '›'; display: inline-block; width: 18px; color: #799086; font-size: 18px; transition: transform .16s; }
details[open] > .tree-summary > span:first-child::before { transform: rotate(90deg); }
.tree-summary strong { font-size: 13px; }
.tree-summary small { color: var(--muted); }
.tree-children { margin-left: 16px; padding-left: 13px; border-left: 1px solid var(--line); }
.system-node > .tree-summary { background: #f0f6f2; }
.system-node > .tree-summary strong { color: var(--green-dark); font-size: 14px; }
.feature-table-wrap { overflow-x: auto; }
.mobile-scroll-hint { display: none; }
.feature-table { width: 100%; border-collapse: collapse; min-width: 960px; }
.feature-table th { padding: 9px 10px; text-align: right; color: var(--muted); background: #fafbfa; font-size: 10px; font-weight: 700; }
.feature-table th:first-child { text-align: left; }
.feature-table td { padding: 11px 10px; border-top: 1px solid #edf0ee; text-align: right; font-variant-numeric: tabular-nums; }
.feature-table td:first-child { width: 44%; text-align: left; }
.feature-name strong, .feature-name small { display: block; }
.feature-name small { color: var(--muted); font: 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature-name p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.source-button { padding: 5px 8px; border: 1px solid #c8d5ce; border-radius: 7px; background: #fff; cursor: pointer; color: var(--green); font-size: 11px; white-space: nowrap; }
.day-total { font-weight: 800; color: var(--green-dark); }
.empty-state { padding: 48px; text-align: center; color: var(--muted); }
.empty-state strong { color: var(--ink); }
.load-error { padding: 54px 24px; text-align: center; }
.load-error strong { font-size: 18px; }
.load-error p { max-width: 540px; margin: 8px auto 18px; color: var(--muted); }
.load-error > div { display: flex; justify-content: center; gap: 9px; }
.inline-action { width: auto; }

.modal-backdrop { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 22px; background: rgba(10, 24, 18, .62); }
.modal-card { position: relative; width: min(760px, 100%); max-height: 86vh; overflow: auto; padding: 26px; border-radius: 18px; background: #fff; box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.modal-card h2 { margin: 0 0 18px; }
.modal-close { position: absolute; right: 16px; top: 13px; border: 0; background: transparent; cursor: pointer; font-size: 26px; color: var(--muted); }
.source-record { padding: 15px 0; border-top: 1px solid var(--line); }
.source-record:first-child { border-top: 0; }
.source-record-head { display: flex; justify-content: space-between; gap: 12px; }
.source-record-head code { color: var(--muted); }
.effort-known { color: var(--green); font-weight: 800; }
.effort-unknown { color: var(--amber); font-weight: 800; }
.source-record p { margin: 8px 0 0; color: var(--muted); }
.feature-meta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0 16px; }
.feature-meta-grid div { padding: 10px 12px; border-radius: 10px; background: var(--soft); }
.feature-meta-grid span, .feature-meta-grid small { display: block; color: var(--muted); }
.feature-meta-grid strong { display: block; margin-top: 3px; color: var(--ink); }
.maintenance-note { margin-top: 14px; padding: 12px 14px; border-left: 4px solid #d4aa41; background: var(--amber-soft); color: #6d430f; }

@media (max-width: 980px) {
  .project-grid { grid-template-columns: 1fr; }
  .project-card h2, .project-card > p { min-height: 0; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .role-bars { grid-template-columns: 1fr 1fr; }
  .configuration-body { grid-template-columns: 1fr; }
  .import-version-row { grid-template-columns: 1fr; }
  .version-actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .topbar { padding: 0 18px; }
  .topnav { gap: 4px; margin-left: 10px; }
  .topnav a { padding: 7px 8px; font-size: 12px; }
  .catalog-state { display: none; }
  .shell { width: calc(100% - 28px); padding-top: 32px; }
  .page-heading, .workbench-heading, .panel-heading { align-items: flex-start; flex-direction: column; }
  .heading-actions { width: 100%; align-items: stretch; flex-direction: column; }
  .heading-note, .readonly-badge { align-self: flex-start; }
  .new-project-form { grid-template-columns: 1fr; }
  .new-project-form > *, .new-project-form .wide-field, .new-project-form .form-actions, .new-project-form .form-status { grid-column: 1; }
  .form-actions, .version-actions { flex-direction: column; }
  .summary-grid { grid-template-columns: 1fr; }
  .role-bars { grid-template-columns: 1fr; }
  .toolbar-actions, .pricing-editor > div { width: 100%; align-items: stretch; flex-direction: column; }
  .search-box { width: 100%; }
  .feature-toolbar { gap: 14px; }
  .scope-note { flex-direction: column; gap: 4px; }
  .feature-table-wrap { margin-right: -13px; padding-bottom: 6px; scrollbar-width: thin; }
  .mobile-scroll-hint { position: sticky; left: 0; display: block; width: calc(100vw - 82px); padding: 8px 10px; color: var(--blue); background: var(--blue-soft); font-size: 11px; font-weight: 750; }
  .feature-table { min-width: 780px; }
  .feature-table th:first-child, .feature-table td:first-child { position: sticky; left: 0; width: 220px; min-width: 220px; max-width: 220px; z-index: 2; background: #fff; box-shadow: 8px 0 12px rgba(24,33,29,.05); }
  .feature-table th:first-child { z-index: 3; background: #fafbfa; }
  .feature-name p { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
}