:root {
  --black: #130f0b;
  --brown: #7a4d27;
  --brown-dark: #3b2415;
  --tan: #d9b98d;
  --cream: #fbf4ea;
  --white: #ffffff;
  --muted: #77685b;
  --line: rgba(122, 77, 39, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--black); padding-bottom: env(safe-area-inset-bottom); }
.hero { background: radial-gradient(circle at top right, #8b5a30, var(--black) 58%); color: var(--white); padding: calc(28px + env(safe-area-inset-top)) clamp(18px, 5vw, 72px) 56px; }
nav { display: flex; gap: 14px; align-items: center; margin-bottom: 48px; }
.brand-mark { width: 52px; height: 52px; border-radius: 18px; background: var(--tan); color: var(--black); display: grid; place-items: center; font-weight: 900; }
.eyebrow { margin: 0 0 4px; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; color: var(--tan); font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 24px; }
h2 { max-width: 760px; font-size: clamp(34px, 7vw, 76px); line-height: .94; margin-bottom: 20px; }
.hero-copy { max-width: 660px; color: rgba(255,255,255,.78); font-size: 18px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: end; }
.pill { display: inline-flex; padding: 10px 14px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: var(--tan); font-weight: 800; }
.rule-card { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.08); border-radius: 28px; padding: 26px; backdrop-filter: blur(10px); }
.rule-card span, .rule-card small { color: rgba(255,255,255,.68); display: block; }
.rule-card strong { display: block; font-size: 30px; margin: 12px 0; color: var(--tan); }
main { padding: 0 clamp(18px, 5vw, 72px) 48px; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: -32px; }
.metrics article, .panel { background: var(--white); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 20px 60px rgba(59,36,21,.08); }
.metrics article { padding: 22px; }
.metrics span { color: var(--muted); font-weight: 700; }
.metrics strong { display: block; margin-top: 8px; font-size: 32px; }
.workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }
.panel { padding: 24px; }
.panel-header { margin-bottom: 18px; }
.panel-header h3 { font-size: 24px; margin-bottom: 0; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
label { display: grid; gap: 8px; color: var(--brown-dark); font-weight: 800; margin-bottom: 14px; }
input, select { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 15px; font: inherit; background: #fffaf4; color: var(--black); }
button { border: 0; border-radius: 16px; padding: 14px 18px; background: var(--black); color: var(--white); font: inherit; font-weight: 900; cursor: pointer; }
button:hover { background: var(--brown-dark); }
.secondary { background: #efe1cf; color: var(--brown-dark); }
.preview { background: #fff7ed; border: 1px dashed var(--tan); border-radius: 16px; padding: 14px; margin-bottom: 14px; color: var(--brown-dark); font-weight: 900; }
.tables { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 18px; }
.table-panel { padding: 0; overflow: hidden; }
.table-panel .panel-header { padding: 24px 24px 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 16px 24px; border-top: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
td.empty { color: var(--muted); text-align: center; padding: 28px; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(120px); background: var(--black); color: var(--white); padding: 14px 18px; border-radius: 16px; box-shadow: 0 18px 40px rgba(0,0,0,.25); transition: transform .25s ease; font-weight: 800; }
#toast.show { transform: translateX(-50%) translateY(0); }
@media (max-width: 820px) { .hero-grid, .workspace, .metrics { grid-template-columns: 1fr; } .metrics { margin-top: -24px; } .row { align-items: flex-start; flex-direction: column; } }