:root {
  color-scheme: light;
  --bg: #f3f4f1;
  --bg-soft: #ebece8;
  --surface: #ffffff;
  --surface-subtle: #f8f8f5;
  --surface-hover: #f1f2ee;
  --text: #161713;
  --text-soft: #3f433b;
  --muted: #74796d;
  --faint: #9da395;
  --line: #dedfd8;
  --line-strong: #c9cbc1;
  --accent: #1f5134;
  --accent-hover: #163d28;
  --accent-soft: #e7f0e8;
  --gold: #b7791f;
  --gold-soft: #fff4dc;
  --ok: #147a48;
  --ok-soft: #e8f6ed;
  --warn: #b65f00;
  --warn-soft: #fff3df;
  --bad: #b42318;
  --bad-soft: #fff0ee;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(31, 41, 55, 0.05);
  --shadow-md: 0 18px 50px rgba(31, 41, 55, 0.12);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 15px/1.52 ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: -0.012em;
  background: linear-gradient(180deg, #fbfbf8 0, var(--bg) 220px, #eff0ec 100%);
}
.hidden { display: none !important; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 34px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 13px; color: var(--text); }
.brand b { display: block; font-size: 17px; line-height: 1.1; letter-spacing: -0.03em; }
.brand span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 860;
  background: linear-gradient(135deg, #17251d, #2f6b47);
  box-shadow: 0 8px 22px rgba(31, 81, 52, .18);
}
.userbar { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }

button, .btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  color: var(--text-soft);
  padding: 9px 13px;
  font: inherit;
  font-size: 14px;
  font-weight: 680;
  cursor: pointer;
  transition: transform 110ms var(--ease-out), border-color 150ms var(--ease-out), background 150ms var(--ease-out), color 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
  box-shadow: var(--shadow-sm);
}
button:hover, .btn:hover { border-color: #b8bbaf; background: #fbfbf8; color: var(--text); }
button:active, .btn:active { transform: scale(.975); }
button.primary, .btn.primary { border-color: transparent; background: var(--accent); color: #fff; }
button.primary:hover, .btn.primary:hover { background: var(--accent-hover); color: #fff; }
button.ghost { background: transparent; box-shadow: none; }
button.ghost:hover { background: #f0f1ed; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #fbfbf8; }
.login-card { width: min(430px, 92vw); padding: 34px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-md); animation: surfaceIn 180ms var(--ease-out); }
.login-card h1 { margin: 18px 0 6px; font-size: 32px; line-height: 1.08; letter-spacing: -0.045em; }
.login-card p { color: var(--muted); margin-top: 0; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: 10px 11px;
  font: inherit;
  outline: none;
  transition: border-color 140ms var(--ease-out), background 140ms var(--ease-out), box-shadow 140ms var(--ease-out);
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31, 81, 52, .13); background: #fff; }
select option { background: #fff; color: var(--text); }
textarea { min-height: 108px; resize: vertical; }
.field { display: grid; gap: 7px; margin: 14px 0; }
.field label, label { color: var(--text-soft); font-weight: 650; }

.layout { display: grid; grid-template-columns: 308px minmax(0, 1fr); min-height: calc(100vh - 70px); }
.sidebar {
  position: sticky;
  top: 70px;
  height: calc(100vh - 70px);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(10px);
}
.side-title { font-size: 13px; font-weight: 800; color: var(--text); padding: 0 10px; }
.side-subtitle { font-size: 12px; color: var(--muted); padding: 3px 10px 18px; }
.nav { display: grid; gap: 6px; }
.nav button {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 42px;
  text-align: left;
  border-radius: 12px;
  padding: 10px 13px 10px 18px;
  color: #50564c;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  font-size: 14px;
}
.nav button:hover { color: var(--text); background: #f0f1ed; }
.nav button.active { color: #143522; background: var(--accent-soft); border-color: #d3e2d5; font-weight: 760; }
.nav button.active::before { content: ""; position: absolute; left: 7px; top: 11px; bottom: 11px; width: 3px; border-radius: 3px; background: var(--accent); }

.main { width: 100%; max-width: none; margin: 0; padding: 34px 42px 64px; }
.page-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.page-title h1 { margin: 0 0 7px; font-size: 34px; line-height: 1.05; letter-spacing: -0.055em; font-weight: 820; color: var(--text); }
.page-title p { margin: 0; color: var(--muted); font-weight: 520; }

.dashboard-hero {
  min-height: 208px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  padding: 32px;
  margin-bottom: 22px;
  border: 1px solid #d9ddd3;
  border-radius: 26px;
  background:
    radial-gradient(circle at 82% 18%, rgba(183, 121, 31, .16), transparent 28rem),
    linear-gradient(135deg, #ffffff 0%, #f4f6f0 45%, #e9eee7 100%);
  box-shadow: 0 16px 50px rgba(35, 48, 35, .08);
}
.eyebrow { color: var(--accent); font-weight: 850; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.dashboard-hero h1 { margin: 0; font-size: clamp(42px, 4.4vw, 72px); line-height: .96; letter-spacing: -0.075em; font-weight: 880; }
.dashboard-hero p { max-width: 640px; margin: 18px 0 0; color: var(--muted); font-size: 16px; }
.hero-status { width: 190px; min-height: 150px; border-radius: 22px; padding: 18px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.hero-status span { display: block; color: var(--muted); font-weight: 720; }
.hero-status strong { display: block; margin-top: 16px; font-size: 58px; line-height: .9; letter-spacing: -0.07em; }
.hero-status small { display: block; margin-top: 12px; color: var(--muted); }
.hero-status.danger { background: var(--bad-soft); border-color: #ffd2cd; color: var(--bad); }
.hero-status.ok { background: var(--ok-soft); border-color: #c9ead4; color: var(--ok); }

.kpi-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.kpi-card { min-height: 150px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); }
.kpi-card span { display: block; color: var(--muted); font-size: 13px; font-weight: 740; }
.kpi-card strong { display: block; margin-top: 18px; font-size: 44px; line-height: .95; letter-spacing: -0.065em; color: var(--text); }
.kpi-card p { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
.kpi-card.primary { background: #16251c; border-color: #16251c; }
.kpi-card.primary span, .kpi-card.primary p { color: rgba(255,255,255,.68); }
.kpi-card.primary strong { color: #fff; }
.kpi-card.warn { background: var(--warn-soft); border-color: #f5d59c; }
.kpi-card.danger { background: var(--bad-soft); border-color: #f2c1bc; }

.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(360px, .75fr); gap: 18px; margin-bottom: 22px; }
.panel { padding: 22px; margin-bottom: 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.panel h2, .panel h3 { margin-top: 0; letter-spacing: -0.035em; color: var(--text); }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.panel-head h2 { margin: 0 0 5px; font-size: 22px; }
.panel-head p { margin: 0; color: var(--muted); }
.risk-list { display: grid; gap: 12px; }
.risk-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-subtle); }
.risk-row b { display: block; font-size: 16px; }
.risk-row span { display: block; margin-top: 3px; color: var(--muted); }
.risk-row strong { font-size: 34px; letter-spacing: -0.05em; }
.risk-row.hot { background: var(--bad-soft); border-color: #f3c4bf; color: var(--bad); }
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quick-actions button { min-height: 54px; justify-content: center; }

.flow-panel { padding: 0; overflow: hidden; }
.flow-panel .panel-head { padding: 22px 22px 0; }
.flow-board { display: grid; }
.flow-row { display: grid; grid-template-columns: minmax(260px, 1.5fr) 180px minmax(180px, .8fr) 110px 210px; align-items: center; gap: 18px; padding: 16px 22px; border-top: 1px solid var(--line); }
.flow-row:hover { background: #fafaf7; }
.flow-main b { display: block; font-size: 15px; color: var(--text); }
.flow-main span, .flow-owner small { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
.flow-owner span { display: block; color: var(--text-soft); font-weight: 720; }
.flow-progress { display: flex; align-items: center; gap: 10px; }
.flow-progress div { height: 8px; flex: 1; border-radius: 99px; background: #e8e9e2; overflow: hidden; }
.flow-progress i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #83a06e); }
.flow-progress span { min-width: 42px; color: var(--muted); font-size: 12px; }

.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 22px; }
.card { min-height: 124px; padding: 18px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card .num { margin-top: 20px; font-size: 34px; line-height: 1; font-weight: 790; letter-spacing: -0.05em; color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: 12px; color: var(--muted); }
.danger { color: var(--bad); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar > * { max-width: 280px; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 980px; }
.table th, .table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; color: var(--text-soft); }
.table th { position: sticky; top: 0; z-index: 2; background: #f8f8f5; color: #4d5349; font-size: 12px; font-weight: 760; letter-spacing: .01em; }
.table td:first-child, .table th:first-child { color: var(--text); font-weight: 680; }
.table tbody tr:hover { background: #fafaf7; }
.table tbody tr:last-child td { border-bottom: 0; }

.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 8px; font-size: 12px; font-weight: 700; border: 1px solid var(--line-strong); color: var(--text-soft); background: #fff; }
.badge.ok { color: var(--ok); border-color: #abefc6; background: var(--ok-soft); }
.badge.warn { color: var(--warn); border-color: #fedf89; background: var(--warn-soft); }
.badge.bad { color: var(--bad); border-color: #fecdca; background: var(--bad-soft); }

.timeline { display: grid; gap: 10px; }
.node { display: grid; grid-template-columns: 118px 1fr 188px; gap: 16px; align-items: start; padding: 15px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; transition: border-color 140ms var(--ease-out), background 140ms var(--ease-out); }
.node:hover { border-color: var(--line-strong); background: #fafaf7; }
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px; background: rgba(17, 24, 39, .36); backdrop-filter: blur(5px); }
.modal-card { width: min(820px, 94vw); max-height: 86vh; overflow: auto; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-md); animation: surfaceIn 160ms var(--ease-out); transform-origin: center; }
.modal-card h2 { margin: 0 0 16px; font-size: 23px; letter-spacing: -0.04em; color: var(--text); }
.actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; position: sticky; bottom: -24px; padding-top: 14px; background: linear-gradient(180deg, transparent, #fff 34%); }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 80; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; color: var(--text); background: #fff; box-shadow: var(--shadow-md); animation: toastIn 150ms var(--ease-out); }
pre { white-space: pre-wrap; color: var(--text-soft); }
.upload-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 14px 0; padding: 12px; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); background: #fafaf7; }

@keyframes surfaceIn { from { opacity: 0; transform: translateY(5px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: translateY(0) scale(1); } }
@media (hover: hover) and (pointer: fine) { .card:hover, .panel:hover, .kpi-card:hover { border-color: var(--line-strong); box-shadow: 0 2px 8px rgba(31,41,55,.06); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }
@media (max-width: 1180px) { .layout { grid-template-columns: 260px minmax(0,1fr); } .kpi-grid { grid-template-columns: repeat(3, 1fr); } .dashboard-grid { grid-template-columns: 1fr; } .flow-row { grid-template-columns: 1fr; } }
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } .sidebar { position: sticky; top: 70px; height: auto; z-index: 18; overflow: auto; padding: 10px 14px; } .side-title,.side-subtitle{display:none} .nav { display: flex; overflow: auto; } .nav button { white-space: nowrap; } .main { padding: 22px 16px 42px; } .dashboard-hero { display: grid; padding: 24px; } .hero-status { width: 100%; } .kpi-grid, .cards, .grid2, .grid3 { grid-template-columns: 1fr; } .page-title { display: grid; } .page-title h1 { font-size: 28px; } }


/* Workflow detail emphasis */
.timeline { display: grid; gap: 12px; }
.node.current-node { position: relative; border-color: #b8d2bd; background: linear-gradient(90deg, #f1f8f2 0%, #ffffff 58%); box-shadow: 0 14px 34px rgba(31, 81, 52, .10); }
.node.current-node::before { content: ""; position: absolute; left: -1px; top: 12px; bottom: 12px; width: 5px; border-radius: 0 6px 6px 0; background: var(--accent); }
.node.current-node b { color: #123a24; }
.node-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.node-actions button { min-width: 58px; }
button.danger-btn { border-color: #f0c3b5; color: #9f3e20; background: #fff8f4; }
button.danger-btn:hover { border-color: #d88465; background: #fff1ea; }
.node-waiting { display: inline-flex; justify-content: center; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px; background: #f4f1ea; color: var(--muted); font-size: 12px; font-weight: 700; }
.modal-card { width: min(980px, 94vw); }
.modal-card .card { background: #fbfbf8; border-color: #dfe2d8; }


/* Business-friendly workflow forms */
.upload-row { display: grid; grid-template-columns: 70px 1fr 1fr auto; gap: 10px; align-items: center; }
.upload-row .small { grid-column: 2 / -1; }
.attachment-row { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.attachment-row:last-child { border-bottom: 0; }
.field-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 8px; }
.field-summary div { padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: #fbfbf8; }
.field-summary span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.field-summary b { color: var(--text); font-size: 13px; }
.node-result { margin-top: 8px; }
.submit-note { margin: 8px 0 0; color: var(--muted); }
.submit-note.danger { color: var(--bad); }
.submit-guide { margin-bottom: 14px; padding: 12px 14px; border: 1px solid #dbe7dc; border-radius: 14px; background: #f4faf5; }
.submit-guide p { margin: 4px 0 0; color: var(--muted); }
@media (max-width: 820px) { .upload-row { grid-template-columns: 1fr; } .upload-row .small { grid-column: auto; } .field-summary { grid-template-columns: 1fr; } }


.node-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field label em { margin-left: 6px; color: var(--bad); font-size: 12px; font-style: normal; font-weight: 700; }
.node-files { margin-top: 12px; padding: 12px; border: 1px dashed #d8ddcf; border-radius: 12px; background: #fcfcf8; }
.node-files > b { display: block; margin-bottom: 6px; }
@media (max-width: 820px) { .node-form-grid { grid-template-columns: 1fr; } }