:root {
  color-scheme: dark;
  --bg: #111417;
  --panel: #1a1f24;
  --panel-2: #222931;
  --text: #edf1f4;
  --muted: #a6b0ba;
  --line: #343d46;
  --accent: #4fb3a3;
  --warn: #e2aa4d;
  --bad: #e06666;
  --good: #6fc276;
  --blue: #6aa6d9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button, input, select, textarea { font: inherit; }

.app { min-height: 100vh; }

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #15191d;
  padding: 24px;
  overflow: auto;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 24px;
}

.mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #071311;
  font-weight: 800;
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 20px; }
.brand p, .eyebrow, .panel-head span, .score span { color: var(--muted); }

.form {
  display: grid;
  gap: 16px;
}

.section-title {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin-top: 6px;
}

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

input, select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  background: #0f1215;
  color: var(--text);
  border-radius: 6px;
  padding: 9px 10px;
}

.checks, .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.notice {
  border: 1px solid #3d4a50;
  border-left: 4px solid var(--warn);
  border-radius: 7px;
  padding: 11px 12px;
  background: #141a1d;
  color: #d9dee3;
  font-size: 13px;
  line-height: 1.45;
}

.checks label {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #101417;
}

.checks input { width: auto; min-height: auto; }

.chips button, .actions button, #addVendor, #copyPrompt {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: var(--panel-2);
  min-height: 40px;
  padding: 9px 12px;
  cursor: pointer;
}

.chips button.selected, .actions button:first-child, #addVendor, #copyPrompt {
  background: var(--accent);
  border-color: var(--accent);
  color: #061311;
  font-weight: 800;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.vendor-entry {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101417;
}

.scenario-inputs {
  display: grid;
  gap: 10px;
}

.scenario-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101417;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.scenario-card h4 {
  margin: 0;
  font-size: 14px;
}

.scenario-card .mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.scenario-card input {
  min-height: 34px;
  padding: 7px 8px;
}

.sliders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

input[type="range"] { padding: 0; accent-color: var(--accent); }

.actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 4px;
}

.actions .secondary { background: transparent; color: var(--muted); }

.report {
  padding: 26px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.report-head, .panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.report-head h2 { font-size: 30px; margin-top: 4px; }
.eyebrow { font-size: 13px; font-weight: 800; color: var(--accent); }

.score-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.score, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.score strong {
  display: block;
  font-size: 34px;
  margin: 6px 0 12px;
}

.bar {
  height: 10px;
  background: #101417;
  border-radius: 999px;
  overflow: hidden;
}

.bar i {
  display: block;
  width: 50%;
  height: 100%;
  background: var(--bad);
}

.bar.value i { background: var(--blue); }
.bar.efficiency i { background: var(--good); }

.visuals {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.heatmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.tile {
  min-height: 76px;
  border-radius: 7px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #27313a;
  border: 1px solid #3b4650;
}

.tile strong { font-size: 22px; }
.tile span { color: rgba(255,255,255,.78); font-size: 12px; }
.tile.high { background: #663333; }
.tile.mid { background: #5a4a2d; }
.tile.low { background: #2d573e; }

.scenario-bars {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.scenario-bar {
  display: grid;
  gap: 6px;
}

.scenario-bar header {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.scenario-bar i {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
}

.summary {
  margin-top: 12px;
  color: #dce3e9;
  line-height: 1.55;
  white-space: pre-line;
}

.table-wrap { overflow: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 11px 8px;
  font-size: 14px;
}
th { color: var(--muted); font-size: 12px; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 4px 9px;
  background: #101417;
  border: 1px solid var(--line);
}

@media (max-width: 980px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .score-row, .visuals { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .sidebar, .report { padding: 16px; }
  .grid2, .sliders, .actions { grid-template-columns: 1fr; }
  .scenario-card .mini-grid { grid-template-columns: 1fr 1fr; }
  .report-head { align-items: stretch; flex-direction: column; }
  .report-head h2 { font-size: 24px; }
  .heatmap { grid-template-columns: 1fr 1fr; }
}