:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f5f5;
  color: #17252c;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.shell { max-width: 1080px; margin: 0 auto; padding: 34px 24px 24px; }
.masthead { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid #c8d1d0; padding-bottom: 20px; }
.brand { font-size: 30px; font-weight: 800; letter-spacing: .16em; }
.masthead p, footer { color: #5c6b6d; font-size: 14px; }
.masthead a { color: #075c5b; font-size: 14px; font-weight: 700; }
.steps { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 30px 0; }
.step { display: inline-flex; align-items: center; gap: 8px; color: #778688; font-size: 13px; }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: #bdc9ca; }
.step.current { color: #075c5b; font-weight: 700; }
.step.current .step-dot { background: #087a74; box-shadow: 0 0 0 4px #cdebe5; }
.step.done .step-dot { background: #087a74; }
.panel { background: #fff; border: 1px solid #dce3e2; border-radius: 18px; box-shadow: 0 18px 48px rgba(20, 45, 48, .06); padding: 38px 44px 44px; min-height: 380px; }
.eyebrow { color: #087a74; font-size: 12px; text-transform: uppercase; font-weight: 700; letter-spacing: .12em; }
h1 { font-size: clamp(27px, 4vw, 40px); line-height: 1.15; margin: 14px 0 18px; letter-spacing: -.03em; }
.lead { color: #4b6064; font-size: 17px; line-height: 1.55; margin-bottom: 32px; max-width: 700px; }
form { max-width: 690px; }
label { display: block; font-weight: 650; margin: 20px 0; }
input, textarea, select { display: block; width: 100%; margin-top: 9px; border: 1px solid #aab9b9; border-radius: 10px; background: #fff; color: #17252c; padding: 12px 14px; font: inherit; }
textarea { resize: vertical; min-height: 220px; line-height: 1.5; }
input:focus, textarea:focus, select:focus { outline: 3px solid #a8dfd5; border-color: #087a74; }
button, .button { display: inline-block; border: 0; border-radius: 9px; padding: 13px 20px; margin-top: 10px; background: #087a74; color: #fff; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
button:hover, .button:hover { background: #05605c; }
button:disabled { opacity: .48; cursor: not-allowed; }
button.secondary, .button.secondary { background: #e9f0ef; color: #174843; }
button.secondary:hover, .button.secondary:hover { background: #d9e8e5; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.actions form, .actions button { margin: 0; }
.hint { color: #68797b; font-size: 14px; line-height: 1.5; }
.notice { background: #fff4df; border-left: 4px solid #c58d2e; color: #5b4318; padding: 14px 18px; border-radius: 5px; line-height: 1.5; }
.summary { border-top: 1px solid #dce3e2; padding: 17px 0 4px; max-width: 760px; }
.summary span { color: #657577; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.summary p { margin: 9px 0 14px; font-size: 18px; line-height: 1.5; }
details { max-width: 760px; margin: 20px 0 26px; }
summary { color: #075c5b; cursor: pointer; font-weight: 650; }
pre { overflow: auto; white-space: pre-wrap; word-break: break-word; background: #f3f6f5; padding: 18px; border-radius: 10px; font: 14px/1.55 ui-monospace, monospace; }
progress { width: 100%; height: 18px; accent-color: #087a74; }
.progress-row { display: flex; justify-content: space-between; gap: 20px; margin-top: 10px; color: #38585b; font-weight: 650; }
.busy { width: 100%; max-width: 690px; height: 12px; overflow: hidden; border-radius: 20px; background: #e4efed; position: relative; }
.busy::after { content: ""; position: absolute; width: 35%; height: 100%; background: #087a74; animation: move 1.5s ease-in-out infinite alternate; }
@keyframes move { from { transform: translateX(0); } to { transform: translateX(200%); } }
footer { padding: 24px 2px; }
@media (max-width: 640px) { .shell { padding: 20px 12px; } .panel { padding: 28px 20px; } .steps { gap: 10px; } .step { font-size: 11px; } }