@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&display=swap');

:root { --ink: #202522; --muted: #69716d; --paper: #f7f8f6; --line: #d9ddda; --accent: #286b55; }
* { box-sizing: border-box; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 52px 0 70px; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--paper); font-family: Manrope, sans-serif; }
h1 { margin: 0 0 44px; font-size: clamp(24px, 5vw, 56px); line-height: 1.02; letter-spacing: 0; white-space: nowrap; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding: 17px 19px; border: 1px solid var(--line); background: #fff; }
.toolbar > label { display: grid; align-content: center; gap: 7px; min-height: 54px; padding: 9px 0; color: var(--muted); font: 500 11px Manrope, sans-serif; }
input[type=number] { width: 116px; padding: 9px 10px; border: 1px solid var(--line); color: var(--ink); background: white; font: 14px Manrope, sans-serif; }
input[type=range] { width: 150px; accent-color: var(--accent); }
output { color: var(--ink); font: 14px Manrope, sans-serif; }
button { padding: 11px 17px; border: 0; color: #fff; background: var(--accent); cursor: pointer; font: 700 13px Manrope, sans-serif; }
button:hover { background: #1f5745; }
button:disabled { cursor: wait; opacity: .62; }
.objective { display: flex; gap: 12px; align-items: center; min-height: 54px; margin: 0; padding: 8px 0; border: 0; }
.objective legend { margin-bottom: 7px; color: var(--muted); font: 500 11px Manrope, sans-serif; }
.objective label { display: flex; gap: 5px; align-items: center; color: var(--ink); text-transform: none; }
.objective input { accent-color: var(--accent); }
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 20px; margin-top: 20px; }
.canvas-wrap { min-height: 570px; padding: 12px; border: 1px solid var(--line); background: #fff; }
canvas { display: block; width: 100%; height: 545px; }
.results { padding: 25px; border-top: 3px solid var(--accent); background: #fff; }
.result-heading, .metric { display: flex; justify-content: space-between; gap: 15px; align-items: baseline; }
.result-heading { margin-bottom: 32px; color: var(--muted); font: 12px Manrope, sans-serif; }
.result-heading strong { color: var(--accent); }
.metric { padding: 15px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.metric strong { max-width: 160px; color: var(--ink); text-align: right; font: 500 13px Manrope, sans-serif; word-break: break-word; }
.note { margin: 35px 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.back { color: var(--accent); font: 12px Manrope, sans-serif; text-decoration: none; }
@media (max-width: 760px) { .shell { width: min(100% - 24px, 600px); padding-top: 36px; } h1 { font-size: clamp(20px, 7vw, 36px); } .workspace { grid-template-columns: 1fr; } .canvas-wrap { min-height: 390px; } canvas { height: 365px; } }