:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: #17202a;
  background: #eef2f5;
}

* { box-sizing: border-box; }

body { margin: 0; min-width: 320px; }

.shell { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 40px; }

.eyebrow { margin: 0 0 8px; color: #117a65; font-size: .78rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1, h2 { margin-top: 0; }
h1 { max-width: 650px; margin-bottom: 12px; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.03; letter-spacing: -.045em; }
h2 { margin-bottom: 16px; font-size: 1.15rem; }
.intro { max-width: 620px; margin: 0 0 32px; color: #536170; line-height: 1.6; }
.panel { padding: 24px; border: 1px solid #d8e0e7; border-radius: 18px; background: #fff; box-shadow: 0 12px 32px rgb(23 32 42 / 7%); }
.panel + .panel { margin-top: 18px; }
.dropzone { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 32px 20px; border: 2px dashed #c3ced7; border-radius: 14px; background: #f7f9fb; text-align: center; transition: border-color .15s ease, background-color .15s ease; }
.dropzone.drag-over { border-color: #6fcf97; background: #eefaf3; }
.file-picker { display: inline-flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; color: #fff; background: #17202a; font-weight: 700; cursor: pointer; }
.file-picker:hover { background: #263849; }
.file-picker input { width: 1px; height: 1px; overflow: hidden; position: absolute; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.file-name { min-height: 24px; margin: 12px 0 0; color: #536170; overflow-wrap: anywhere; }
.actions { margin-top: 24px; padding-top: 20px; border-top: 1px solid #d8e0e7; }
button { padding: 12px 17px; border: 0; border-radius: 10px; color: #fff; background: #117a65; font: inherit; font-weight: 750; cursor: pointer; }
button:disabled { color: #8e9aa5; background: #dce3e8; cursor: not-allowed; }
.status { min-height: 24px; margin: 16px 0 0; color: #536170; line-height: 1.45; }
.status[data-kind="error"] { color: #a12c2c; }
.status[data-kind="success"] { color: #117a65; }
.download-grid { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 320px; gap: 12px; }
.download { display: block; padding: 14px; border: 1px solid #bcd8d1; border-radius: 10px; color: #117a65; font-weight: 700; text-decoration: none; }
.download:hover { border-color: #117a65; background: #f1faf7; }
footer { margin-top: 22px; color: #71808d; font-size: .86rem; line-height: 1.5; }
@media (max-width: 520px) { .shell { padding-top: 32px; } .panel { padding: 18px; } .download-grid { grid-template-columns: 1fr; } }