:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f3ea;
  color: #18211f;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #f7f3ea; }
button, input, textarea { font: inherit; }
button, input[type="file"] { cursor: pointer; }

.loading { min-height: 100vh; display: grid; place-items: center; color: #55615d; }
.app-shell { min-height: 100vh; display: grid; gap: 24px; padding: 22px; }
.hero { border-radius: 28px; padding: 22px; color: #f8fff8; background: radial-gradient(circle at top right, #3dbd8f, transparent 35%), linear-gradient(135deg, #10251f, #17392f 55%, #0d1916); box-shadow: 0 20px 70px rgba(21, 50, 42, 0.24); }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 54px; }
.topbar > div { display: flex; align-items: center; gap: 12px; }
.logo { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: #d9ff73; color: #10251f; font-weight: 900; }
.session-pill { padding: 8px 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; background: rgba(255,255,255,.08); }
.session-pill a, .primary-link { color: #d9ff73; font-weight: 800; text-decoration: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; align-items: end; }
.eyebrow { margin: 0 0 8px; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: #2a8f70; }
.hero .eyebrow { color: #aaf1d9; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 850px; margin-bottom: 18px; font-size: clamp(44px, 7vw, 92px); line-height: .88; letter-spacing: -0.07em; }
h2 { margin-bottom: 12px; font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.04em; }
.lede { max-width: 690px; color: #dcebe5; font-size: 18px; line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
button, .primary-link { border: 0; border-radius: 14px; padding: 12px 16px; font-weight: 800; }
button { background: #d9ff73; color: #13211d; }
button.secondary, .secondary { border: 1px solid #cfc7b8; background: #fffaf0; color: #26332f; }
.hero button.secondary { border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.09); color: #fff; }
button:disabled { cursor: not-allowed; opacity: .58; }
.score-card { border: 1px solid rgba(255,255,255,.18); border-radius: 24px; padding: 22px; background: rgba(255,255,255,.10); backdrop-filter: blur(16px); }
.score-card span { color: #b8d8ce; }
.score-card strong { display: block; margin: 10px 0; font-size: 34px; letter-spacing: -0.04em; }
.score-card p { color: #e4f0ec; line-height: 1.5; }

.studio, .results-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(320px, .8fr); gap: 20px; align-items: start; }
.panel { border: 1px solid #e5dccd; border-radius: 24px; background: rgba(255,255,255,.72); padding: 22px; box-shadow: 0 16px 55px rgba(42, 31, 12, .08); }
.section-title { display: flex; gap: 18px; justify-content: space-between; align-items: start; }
.id-label { min-width: 260px; }
label { display: grid; gap: 7px; color: #4d5c57; font-size: 13px; font-weight: 800; }
input { width: 100%; border: 1px solid #d8cfbf; border-radius: 12px; background: #fffdf7; color: #18211f; padding: 10px 12px; }
.upload-box { margin: 14px 0 18px; border: 1px dashed #b9ad99; border-radius: 18px; padding: 16px; background: #fff9ed; }
.upload-box small, .hint { color: #6b746f; }
.hint.danger { color: #a13b2b; }
.quotes-table { display: grid; gap: 10px; }
.quote-row { display: grid; grid-template-columns: minmax(180px, 1.2fr) repeat(4, minmax(90px, .6fr)) 42px; gap: 10px; align-items: end; }
.icon { width: 42px; height: 42px; display: grid; place-items: center; background: #fee3d7; color: #8c2e1f; padding: 0; }
.weights-panel { position: sticky; top: 20px; }
.slider { margin: 20px 0; }
.slider span { display: flex; justify-content: space-between; text-transform: capitalize; }
.slider input { accent-color: #1d8d68; padding: 0; }
.primary, .primary-link { display: inline-block; width: 100%; margin-top: 12px; text-align: center; background: #17392f; color: #fff; }
.alert { border: 1px solid #f2b8a8; border-radius: 18px; padding: 16px 18px; background: #fff0eb; color: #8c2e1f; font-weight: 800; }
.rankings { display: grid; gap: 10px; padding-left: 22px; }
.rankings li { padding: 10px 0; }
.rankings strong { display: block; }
.rankings span { color: #5e6965; }
pre { max-height: 460px; overflow: auto; border-radius: 16px; margin: 16px 0 0; padding: 16px; background: #13211d; color: #dff7ed; font-size: 12px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 980px) {
  .hero-grid, .studio, .results-grid { grid-template-columns: 1fr; }
  .weights-panel { position: static; }
  .quote-row { grid-template-columns: 1fr 1fr; }
  .icon { width: 100%; }
  .section-title, .topbar { align-items: stretch; flex-direction: column; }
  .id-label { min-width: 0; }
}