:root {
  --navy-950: #0b172a;
  --navy-900: #10233e;
  --navy-800: #17365d;
  --blue-700: #1f5f99;
  --blue-600: #2f75b5;
  --blue-100: #e9f2fb;
  --cyan-500: #23a7a2;
  --green-600: #1f8a65;
  --green-100: #e7f5ef;
  --amber-600: #b66a14;
  --amber-100: #fff2df;
  --red-600: #c84747;
  --red-100: #fdeaea;
  --slate-900: #172033;
  --slate-700: #40506a;
  --slate-500: #718096;
  --slate-300: #cfd8e5;
  --slate-200: #e3e9f1;
  --slate-100: #f1f4f8;
  --surface: #ffffff;
  --canvas: #edf1f6;
  --shadow: 0 24px 70px rgba(16, 35, 62, .18);
  --font: "Segoe UI", "Microsoft YaHei UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--slate-900);
  background:
    radial-gradient(circle at 15% 10%, rgba(47, 117, 181, .18), transparent 34%),
    linear-gradient(145deg, #dce5ef, #f4f6f9 58%, #dce7ef);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { color: inherit; }

.prototype-stage { min-height: 100vh; padding: 28px; }
.phone-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 470px);
  height: calc(100vh - 56px);
  min-height: 680px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 30px;
  background: var(--canvas);
  box-shadow: var(--shadow);
}
.app-header {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 42px 1fr 38px;
  align-items: center;
  gap: 11px;
  min-height: 76px;
  padding: 13px 17px;
  color: white;
  background: linear-gradient(118deg, var(--navy-950), var(--navy-800));
}
.brand-mark, .about-logo {
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #e9f7f6;
  background: linear-gradient(145deg, var(--cyan-500), #167b83);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.22), 0 7px 18px rgba(0,0,0,.18);
}
.brand-mark { width: 42px; height: 42px; border-radius: 13px; }
.brand-copy { display: grid; gap: 3px; }
.brand-copy strong { font-size: 16px; letter-spacing: .03em; }
.brand-copy span { color: #aebed2; font-size: 10px; }
.icon-button {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px;
  color: white; background: rgba(255,255,255,.08); cursor: pointer;
}
.app-main { flex: 1; min-height: 0; overflow-y: auto; scrollbar-width: thin; }
.page { display: none; padding: 15px 14px 104px; }
.page.active { display: block; }
.mode-switch {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px;
  border: 1px solid var(--slate-200); border-radius: 13px; background: #dfe6ee;
}
.mode-switch button, .mini-segment button {
  border: 0; border-radius: 9px; background: transparent; color: var(--slate-500); cursor: pointer;
}
.mode-switch button { min-height: 39px; font-size: 13px; font-weight: 700; }
.mode-switch button.active { color: var(--navy-900); background: white; box-shadow: 0 4px 12px rgba(16,35,62,.09); }
.hero-card {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  margin: 12px 0; padding: 18px; border-radius: 17px; color: white;
  background: linear-gradient(135deg, var(--navy-900), #1c4973);
  box-shadow: 0 11px 28px rgba(16,35,62,.16);
}
.eyebrow { color: #69cdc8; font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.hero-card h1, .page-title h1 { margin: 6px 0 5px; font-size: 20px; letter-spacing: .01em; }
.hero-card p, .page-title p { margin: 0; line-height: 1.55; font-size: 11px; }
.hero-card p { color: #c2cfde; }
.status-chip { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; color: #cbd7e5; font-size: 9px; }
.status-chip i { width: 6px; height: 6px; border-radius: 50%; background: #68d5ae; box-shadow: 0 0 0 4px rgba(104,213,174,.12); }
.panel { margin-top: 12px; padding: 15px; border: 1px solid var(--slate-200); border-radius: 17px; background: var(--surface); box-shadow: 0 6px 20px rgba(16,35,62,.05); }
.panel-heading, .panel-heading > div, .result-block-heading { display: flex; align-items: center; justify-content: space-between; }
.panel-heading > div { justify-content: flex-start; gap: 8px; }
.panel-heading h2 { margin: 0; font-size: 14px; }
.section-index { display: grid; place-items: center; min-width: 25px; height: 25px; border-radius: 8px; color: var(--blue-700); background: var(--blue-100); font-size: 9px; font-weight: 800; }
.text-button, .outline-button { border: 0; color: var(--blue-700); background: transparent; font-size: 10px; font-weight: 700; cursor: pointer; }
.outline-button { padding: 7px 9px; border: 1px solid #bfd2e5; border-radius: 9px; background: #f7fbff; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.field-group { display: grid; gap: 6px; }
.field-group > span:first-child { color: var(--slate-700); font-size: 10px; font-weight: 700; }
.field-group small { color: var(--slate-500); font-weight: 400; }
.span-2 { grid-column: 1 / -1; }
.mini-segment { display: grid; grid-template-columns: 1fr 1fr; padding: 3px; border-radius: 10px; background: var(--slate-100); }
.mini-segment button { min-height: 32px; font-size: 11px; }
.mini-segment button.active { color: white; background: var(--navy-800); }
.input-with-unit { display: flex; align-items: center; min-height: 39px; padding: 0 10px; border: 1px solid var(--slate-300); border-radius: 10px; background: #fbfcfe; }
.input-with-unit:focus-within { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(47,117,181,.1); }
.input-with-unit input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; font-weight: 700; }
.input-with-unit em { white-space: nowrap; color: var(--slate-500); font-size: 8px; font-style: normal; }
select { min-height: 39px; padding: 0 9px; border: 1px solid var(--slate-300); border-radius: 10px; color: var(--slate-900); background: #fbfcfe; font-size: 11px; font-weight: 700; }
.hidden { display: none !important; }
.table-note { display: flex; justify-content: space-between; margin: 14px 1px 7px; color: var(--slate-500); font-size: 9px; }
.table-note b { color: var(--navy-800); }
.coal-table-wrap { overflow-x: auto; border: 1px solid var(--slate-200); border-radius: 12px; scrollbar-width: thin; }
.coal-table { width: max-content; min-width: 100%; border-collapse: separate; border-spacing: 0; font-size: 10px; }
.coal-table th, .coal-table td { min-width: 112px; height: 42px; padding: 5px 7px; border-right: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); background: white; text-align: center; }
.coal-table tr:last-child th, .coal-table tr:last-child td { border-bottom: 0; }
.coal-table th:last-child, .coal-table td:last-child { border-right: 0; }
.coal-table .metric-cell { position: sticky; left: 0; z-index: 2; min-width: 98px; color: var(--slate-700); background: #f4f7fa; text-align: left; font-weight: 700; box-shadow: 4px 0 7px rgba(16,35,62,.04); }
.coal-table thead .metric-cell { z-index: 3; color: white; background: var(--navy-800); }
.coal-table thead td { color: white; background: var(--navy-800); }
.coal-table input { width: 100%; padding: 6px 4px; border: 1px solid transparent; border-radius: 7px; outline: none; color: var(--slate-900); background: #f7f9fc; text-align: center; }
.coal-table input:focus { border-color: var(--blue-600); background: white; box-shadow: 0 0 0 2px rgba(47,117,181,.1); }
.coal-table input[readonly] { color: var(--slate-500); background: transparent; }
.coal-name { display: flex; align-items: center; gap: 4px; }
.coal-name input { color: white; background: rgba(255,255,255,.1); font-weight: 700; }
.coal-name button { width: 22px; height: 22px; border: 0; border-radius: 7px; color: #d6e0eb; background: rgba(255,255,255,.08); cursor: pointer; }
.unit { display: block; margin-top: 2px; color: #8996a8; font-size: 8px; font-weight: 400; }
.inline-note, .disclaimer { margin: 10px 1px 0; color: var(--slate-500); font-size: 9px; line-height: 1.55; }

.action-bar { display: grid; grid-template-columns: 112px 1fr; gap: 10px; margin-top: 13px; }
.primary-button, .secondary-button, .save-button {
  min-height: 46px; border: 0; border-radius: 12px; font-weight: 800; cursor: pointer; transition: transform .16s ease, box-shadow .16s ease;
}
.primary-button { display: flex; align-items: center; justify-content: space-between; padding: 0 17px; color: white; background: linear-gradient(118deg, var(--blue-700), var(--blue-600)); box-shadow: 0 9px 20px rgba(31,95,153,.22); }
.secondary-button { border: 1px solid var(--slate-300); color: var(--slate-700); background: white; }
.primary-button:active, .secondary-button:active, .save-button:active { transform: scale(.98); }
.result-panel { margin-top: 13px; padding: 14px; border: 1px solid #bfd8d0; border-radius: 17px; background: white; box-shadow: 0 8px 24px rgba(16,35,62,.06); }
.result-status { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 10px; padding: 12px; border-radius: 13px; background: var(--green-100); }
.result-status.failure { background: var(--red-100); }
.status-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: white; background: var(--green-600); font-weight: 900; }
.failure .status-icon { background: var(--red-600); }
.result-status div:nth-child(2) { display: grid; gap: 2px; }
.result-status span { color: var(--slate-500); font-size: 8px; }
.result-status strong { font-size: 12px; }
.status-badge { padding: 5px 7px; border-radius: 999px; color: var(--green-600) !important; background: white; font-weight: 800; }
.failure .status-badge { color: var(--red-600) !important; }
.metric-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 10px; }
.metric-card { min-width: 0; padding: 11px 9px; border: 1px solid var(--slate-200); border-radius: 11px; background: #f8fafc; }
.metric-card span { display: block; color: var(--slate-500); font-size: 8px; }
.metric-card strong { display: block; margin-top: 6px; overflow: hidden; color: var(--navy-900); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.metric-card em { margin-left: 2px; color: var(--slate-500); font-size: 7px; font-style: normal; font-weight: 500; }
.result-block { margin-top: 15px; }
.result-block-heading { margin-bottom: 8px; }
.result-block-heading h3 { margin: 0; font-size: 12px; }
.result-block-heading span { color: var(--slate-500); font-size: 8px; }
.allocation-list { display: grid; gap: 6px; }
.allocation-row { display: grid; grid-template-columns: 85px 1fr 52px; align-items: center; gap: 8px; font-size: 9px; }
.allocation-track { height: 8px; overflow: hidden; border-radius: 99px; background: var(--slate-100); }
.allocation-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue-600), var(--cyan-500)); }
.allocation-row strong { text-align: right; }
.allocation-row small { display: block; color: var(--slate-500); font-size: 7px; font-weight: 400; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--slate-200); border-radius: 10px; overflow: hidden; }
.result-item { display: flex; justify-content: space-between; gap: 8px; padding: 9px; border-right: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); font-size: 8px; }
.result-item:nth-child(2n) { border-right: 0; }
.result-item span { color: var(--slate-500); }
.result-item strong { text-align: right; }
.disclaimer { padding: 9px; border-radius: 9px; color: #80612f; background: var(--amber-100); }
.save-button { width: 100%; margin-top: 11px; color: white; background: var(--navy-800); }
.page-title { padding: 9px 3px 5px; }
.page-title h1 { color: var(--navy-900); font-size: 23px; }
.page-title p { color: var(--slate-500); }
.history-list { display: grid; gap: 10px; margin-top: 10px; }
.history-card { padding: 14px; border: 1px solid var(--slate-200); border-radius: 15px; background: white; box-shadow: 0 6px 17px rgba(16,35,62,.05); }
.history-head { display: flex; align-items: flex-start; justify-content: space-between; }
.history-head strong { font-size: 12px; }
.history-head span { display: block; margin-top: 3px; color: var(--slate-500); font-size: 8px; }
.delete-button { border: 0; color: var(--red-600); background: transparent; font-size: 9px; cursor: pointer; }
.history-tags { display: flex; gap: 5px; margin: 10px 0; }
.history-tags span { padding: 4px 7px; border-radius: 99px; color: var(--blue-700); background: var(--blue-100); font-size: 8px; font-weight: 700; }
.history-metrics { display: grid; grid-template-columns: repeat(3, 1fr); padding: 10px 0; border-top: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); }
.history-metrics div { display: grid; gap: 4px; padding: 0 7px; border-right: 1px solid var(--slate-200); }
.history-metrics div:last-child { border-right: 0; }
.history-metrics span { color: var(--slate-500); font-size: 7px; }
.history-metrics strong { font-size: 10px; }
.history-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 10px; }
.history-actions button { min-height: 34px; border: 1px solid var(--slate-300); border-radius: 9px; color: var(--slate-700); background: white; font-size: 9px; font-weight: 700; cursor: pointer; }
.history-actions button:last-child { color: white; border-color: var(--navy-800); background: var(--navy-800); }
.empty-state { padding: 48px 22px; border: 1px dashed var(--slate-300); border-radius: 15px; color: var(--slate-500); background: rgba(255,255,255,.55); text-align: center; }
.empty-state b { display: block; color: var(--navy-800); font-size: 15px; }
.empty-state p { margin: 7px 0 0; font-size: 10px; line-height: 1.5; }

.about-hero { padding: 28px 15px 20px; text-align: center; }
.about-logo { width: 62px; height: 62px; margin: 0 auto 13px; border-radius: 19px; font-size: 24px; }
.about-hero h1 { margin: 0; color: var(--navy-900); font-size: 21px; }
.about-hero p { margin: 7px 0; color: var(--slate-500); font-size: 10px; }
.about-hero > span { color: var(--slate-500); font-size: 8px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.service-grid button { display: grid; place-items: center; gap: 7px; min-height: 84px; padding: 8px 3px; border: 1px solid var(--slate-200); border-radius: 12px; color: var(--slate-700); background: #f9fbfd; font-size: 9px; cursor: pointer; }
.service-grid i { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 10px; color: var(--blue-700); background: var(--blue-100); font-size: 15px; font-style: normal; font-weight: 800; }
.about-list { margin-top: 12px; overflow: hidden; border: 1px solid var(--slate-200); border-radius: 15px; background: white; }
.about-list button, .about-list > div { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 47px; padding: 0 14px; border: 0; border-bottom: 1px solid var(--slate-200); color: var(--slate-700); background: white; font-size: 10px; text-align: left; }
.about-list button { cursor: pointer; }
.about-list > *:last-child { border-bottom: 0; }
.about-list b { color: var(--slate-500); font-size: 18px; }
.about-list em { color: var(--slate-500); font-size: 9px; font-style: normal; }
.bottom-nav {
  position: absolute; right: 0; bottom: 0; left: 0; z-index: 20;
  display: grid; grid-template-columns: repeat(3, 1fr); min-height: 72px;
  padding: 7px 12px calc(7px + env(safe-area-inset-bottom)); border-top: 1px solid var(--slate-200);
  background: rgba(255,255,255,.96); backdrop-filter: blur(16px);
}
.bottom-nav button { position: relative; display: grid; place-items: center; align-content: center; gap: 4px; border: 0; color: var(--slate-500); background: transparent; font-size: 9px; cursor: pointer; }
.bottom-nav i { font-size: 19px; font-style: normal; line-height: 1; }
.bottom-nav button.active { color: var(--blue-700); font-weight: 800; }
.bottom-nav button.active::before { position: absolute; top: -7px; width: 28px; height: 3px; border-radius: 0 0 5px 5px; background: var(--blue-600); content: ""; }
.toast { position: fixed; z-index: 100; bottom: 30px; left: 50%; max-width: calc(100vw - 40px); padding: 10px 15px; border-radius: 10px; color: white; background: rgba(11,23,42,.92); box-shadow: 0 10px 30px rgba(0,0,0,.18); font-size: 11px; opacity: 0; pointer-events: none; transform: translate(-50%, 12px); transition: .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.modal-backdrop { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; background: rgba(7,18,33,.58); backdrop-filter: blur(5px); }
.modal { position: relative; width: min(100%, 400px); max-height: 80vh; overflow-y: auto; padding: 22px; border-radius: 18px; background: white; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.modal h2 { margin: 7px 0 12px; color: var(--navy-900); font-size: 18px; }
.modal p, .modal li { color: var(--slate-700); font-size: 10px; line-height: 1.7; }
.modal-close { position: absolute; top: 11px; right: 11px; width: 30px; height: 30px; border: 0; border-radius: 9px; color: var(--slate-500); background: var(--slate-100); cursor: pointer; }
.primary-button.compact { width: 100%; min-height: 40px; margin-top: 14px; justify-content: center; }
.detail-table { width: 100%; border-collapse: collapse; font-size: 9px; }
.detail-table th, .detail-table td { padding: 7px; border: 1px solid var(--slate-200); text-align: left; }
.detail-table th { color: var(--slate-700); background: var(--slate-100); }

@media (max-width: 540px) {
  body { background: var(--canvas); }
  .prototype-stage { padding: 0; }
  .phone-shell { width: 100%; height: 100dvh; min-height: 0; border: 0; border-radius: 0; box-shadow: none; }
}

@media (max-width: 370px) {
  .settings-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .metric-cards { grid-template-columns: 1fr 1fr; }
  .action-bar { grid-template-columns: 92px 1fr; }
}

.modal h3 { margin: 16px 0 7px; color: var(--navy-900); font-size: 12px; }
.detail-scroll { width: 100%; overflow-x: auto; border-radius: 9px; }
.detail-scroll .detail-table { width: max-content; min-width: 100%; }
.detail-scroll .detail-table th:first-child { position: sticky; left: 0; min-width: 110px; background: var(--slate-100); }
.detail-scroll .detail-table th:not(:first-child), .detail-scroll .detail-table td { min-width: 92px; text-align: center; }
.result-detail th { width: 44%; }

/* V1 动态计算与多方案 */
.required-mark { margin-left: 3px; color: var(--red-600); font-size: 7px; font-weight: 700; }
.required-dot { color: #ffb8b8; font-size: 12px; font-weight: 900; }
.input-error { border-color: var(--red-600) !important; background: var(--red-100) !important; box-shadow: 0 0 0 2px rgba(200,71,71,.12) !important; }
.procurement-toggle { display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 9px 11px; border: 1px solid var(--slate-200); border-radius: 11px; background: #f8fafc; cursor: pointer; }
.procurement-toggle input { width: 17px; height: 17px; accent-color: var(--blue-700); }
.procurement-toggle span { display: grid; gap: 2px; }
.procurement-toggle strong { color: var(--navy-900); font-size: 10px; }
.procurement-toggle small { color: var(--slate-500); font-size: 8px; }
.supply-notice { padding: 9px 10px; border-radius: 9px; color: #76521d; background: var(--amber-100); font-size: 8px; line-height: 1.55; }
.result-status.warning { background: var(--amber-100); }
.warning .status-icon { background: var(--amber-600); }
.warning .status-badge { color: var(--amber-600) !important; }
.search-summary { display: grid; gap: 3px; margin-top: 10px; padding: 10px 11px; border: 1px solid var(--slate-200); border-radius: 10px; background: #f8fafc; }
.search-summary strong { color: var(--navy-900); font-size: 10px; }
.search-summary span, .search-summary em { color: var(--slate-500); font-size: 8px; font-style: normal; line-height: 1.5; }
.solutions-list { display: grid; gap: 12px; margin-top: 12px; }
.solution-card { overflow: hidden; border: 1px solid var(--slate-200); border-radius: 14px; background: white; }
.solution-card > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 13px; color: white; background: linear-gradient(125deg, var(--navy-900), #214e78); }
.solution-card > header h3 { margin: 3px 0; font-size: 14px; }
.solution-card > header p { margin: 0; color: #c6d3e1; font-size: 8px; }
.solution-rank { color: #6ed3ce; font-size: 8px; font-weight: 800; letter-spacing: .08em; }
.solution-state { padding: 5px 7px; border-radius: 99px; color: var(--green-600); background: white; font-size: 8px; font-weight: 800; white-space: nowrap; }
.solution-state.warning { color: var(--amber-600); }
.solution-metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--slate-200); }
.solution-metrics div { display: grid; gap: 4px; padding: 10px 7px; border-right: 1px solid var(--slate-200); }
.solution-metrics div:last-child { border-right: 0; }
.solution-metrics span { color: var(--slate-500); font-size: 7px; }
.solution-metrics strong { color: var(--navy-900); font-size: 10px; }
.procurement-summary { display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 9px 11px; color: var(--slate-700); background: #f8fafc; font-size: 8px; }
.procurement-summary .shortage { color: var(--red-600); }
.solution-table-wrap { overflow-x: auto; }
.solution-table { width: max-content; min-width: 100%; border-collapse: collapse; font-size: 8px; }
.solution-table th, .solution-table td { min-width: 76px; padding: 8px 7px; border-bottom: 1px solid var(--slate-200); text-align: right; white-space: nowrap; }
.solution-table th:first-child, .solution-table td:first-child { position: sticky; left: 0; min-width: 82px; text-align: left; background: white; }
.solution-table thead th { color: var(--slate-500); background: var(--slate-100); font-weight: 700; }
.solution-table thead th:first-child { background: var(--slate-100); }
.solution-card details { padding: 10px 11px 0; }
.solution-card summary { color: var(--blue-700); font-size: 9px; font-weight: 700; cursor: pointer; }
.solution-card details .result-grid { margin-top: 9px; }
.solution-actions { display: grid; grid-template-columns: 1fr 1.3fr; gap: 7px; padding: 11px; }
.solution-actions button { min-height: 37px; border: 1px solid var(--slate-300); border-radius: 9px; color: var(--slate-700); background: white; font-size: 9px; font-weight: 800; cursor: pointer; }
.solution-actions button:last-child { color: white; border-color: var(--blue-700); background: var(--blue-700); }
.reference-result { margin-top: 11px; }
.reference-card { padding: 12px; border: 1px solid #efc9c9; border-radius: 11px; color: #7c3434; background: var(--red-100); }
.reference-card strong { font-size: 10px; }
.reference-card p { margin: 5px 0 0; font-size: 8px; line-height: 1.55; }
.issue-list { margin: 0; padding-left: 18px; }
.issue-list li { margin-bottom: 5px; color: var(--red-600); }

@media (max-width: 390px) {
  .solution-metrics { grid-template-columns: 1fr 1fr; }
  .solution-metrics div:nth-child(2) { border-right: 0; }
  .solution-metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--slate-200); }
}