:root {
  color-scheme: light;
  --ink: #14212a;
  --muted: #657684;
  --line: #d9e3e6;
  --panel: #ffffff;
  --bg: #f5f7f4;
  --brand: #1f6f5b;
  --brand-dark: #14503f;
  --blue: #245f93;
  --amber: #9b6424;
  --shadow: 0 18px 42px rgba(22, 38, 50, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(235, 242, 247, 0.9), rgba(245, 247, 244, 0) 330px),
    var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 16px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
}

.ghost-button {
  border-color: var(--line);
  background: #fff;
  color: var(--brand-dark);
}

.login-shell,
.portal-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

.login-panel,
.panel,
.app-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.login-panel {
  width: min(420px, 100%);
  padding: 34px;
}

.brand-mark,
.app-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  color: #fff;
  background: var(--brand);
  font-size: 24px;
  font-weight: 900;
}

.eyebrow {
  margin: 18px 0 7px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
p {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
}

h2 {
  font-size: 20px;
}

.form-stack {
  display: grid;
  gap: 15px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

select {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

.portal-shell {
  padding: 30px 0 44px;
}

.portal-topbar,
.frame-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.app-card {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px;
}

.app-card-primary {
  border-color: rgba(31, 111, 91, 0.35);
}

.app-copy {
  display: grid;
  gap: 5px;
}

.app-copy strong {
  font-size: 20px;
}

.app-copy small,
.frame-topbar small,
.user-row small {
  color: var(--muted);
}

.app-tag {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--amber);
  background: #fff8ec;
  font-size: 13px;
  font-weight: 800;
}

.frame-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  background: #fff;
}

.frame-topbar {
  margin: 0;
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
  background: #f8faf8;
}

.frame-topbar div {
  display: grid;
  gap: 3px;
  text-align: center;
}

iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.admin-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
}

.panel {
  padding: 18px;
}

.planner-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
  align-items: start;
}

.planner-form {
  margin: 0;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 116px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(22, 38, 50, 0.07);
}

.metric-card small {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-weight: 800;
}

.metric-card strong {
  font-size: 24px;
}

.planner-results {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.9fr);
  gap: 16px;
  margin-top: 16px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--brand-dark);
  background: #eef8f3;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.split-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.split-summary span,
.empty-state {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #f8faf8;
  color: var(--muted);
  line-height: 1.55;
}

.split-summary strong {
  color: var(--ink);
}

.requirement-grid {
  display: grid;
  grid-template-columns: minmax(120px, 0.9fr) minmax(0, 1fr);
  gap: 10px 14px;
  font-size: 14px;
}

.requirement-grid span {
  color: var(--muted);
}

.clean-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding-left: 18px;
  line-height: 1.55;
}

.risk-panel {
  border-color: rgba(155, 100, 36, 0.35);
  background: #fffaf1;
}

.history-panel {
  margin-top: 16px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-row input {
  width: 18px;
  height: 18px;
}

.user-list {
  display: grid;
  gap: 12px;
}

.user-row {
  display: grid;
  grid-template-columns: 1fr minmax(230px, auto) auto;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.inline-form {
  display: flex;
  gap: 8px;
}

.inline-form input {
  width: 150px;
}

.flash-list {
  display: grid;
  gap: 8px;
}

.flash {
  border-left: 4px solid var(--brand);
  border-radius: 6px;
  padding: 11px 12px;
  background: #eef8f3;
  color: var(--brand-dark);
  font-weight: 700;
}

.flash.error {
  border-left-color: #b83131;
  background: #fdecec;
  color: #8f2424;
}

@media (max-width: 800px) {
  .portal-topbar,
  .frame-topbar,
  .app-grid,
  .admin-layout,
  .planner-layout,
  .metric-grid,
  .planner-results,
  .split-summary,
  .user-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .app-card {
    grid-template-columns: 52px 1fr;
  }

  .app-tag {
    width: fit-content;
    grid-column: 2;
  }
}