:root {
  color-scheme: dark;
  --bg: #0c0f12;
  --panel: #151a20;
  --panel-2: #1b222a;
  --line: #2b3540;
  --text: #f4f7fa;
  --muted: #9ca9b5;
  --accent: #d8ff45;
  --accent-ink: #10140a;
  --danger: #ff7b7b;
  --success: #97e5ad;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% -10%, rgba(216,255,69,.08), transparent 35%),
    var(--bg);
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.shell {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 22px;
  align-items: center;
  margin-bottom: 28px;
}
.logo {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  object-fit: cover;
  box-shadow: 0 12px 35px rgba(0,0,0,.35);
}
.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 { margin: 0; font-size: clamp(30px, 5vw, 48px); line-height: 1.02; letter-spacing: -.035em; }
.subtitle { margin: 12px 0 0; max-width: 680px; color: var(--muted); line-height: 1.55; }

.panel {
  margin-top: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(21,26,32,.92);
  box-shadow: 0 14px 45px rgba(0,0,0,.16);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.section-heading > div { display: flex; align-items: center; gap: 11px; }
h2 { margin: 0; font-size: 18px; }
.step {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--accent);
  font-weight: 800;
}
.step.done { background: var(--accent); color: var(--accent-ink); }
.required, .optional {
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.required { background: rgba(216,255,69,.12); color: var(--accent); }
.optional { background: var(--panel-2); color: var(--muted); }
.help { margin: -4px 0 15px; color: var(--muted); font-size: 14px; line-height: 1.5; }

.dropzone {
  width: 100%;
  min-height: 170px;
  border: 1px dashed #485766;
  border-radius: 14px;
  background: #11161b;
  color: var(--text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 22px;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.dropzone.compact { min-height: 105px; }
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: rgba(216,255,69,.035); }
.dropzone:active { transform: scale(.995); }
.drop-icon { font-size: 36px; line-height: 1; color: var(--accent); }
.file-note { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.dropzone.has-file .file-note { color: var(--success); }

.options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  min-height: 86px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #11161b;
  cursor: pointer;
}
.check-row input { margin-top: 3px; accent-color: var(--accent); width: 18px; height: 18px; }
.check-row span { display: flex; flex-direction: column; gap: 5px; }
.check-row small { color: var(--muted); line-height: 1.35; }

.primary {
  display: flex;
  width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  padding: 13px 18px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}
.primary:disabled { cursor: not-allowed; opacity: .4; }
.primary:not(:disabled):hover, .download:hover { filter: brightness(1.04); }
.download { margin-top: 18px; }
.text-button {
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.status { margin-top: 12px; font-size: 13px; line-height: 1.45; color: var(--muted); }
.status.error { color: var(--danger); }
.status.success { color: var(--success); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.stat {
  min-height: 82px;
  padding: 13px;
  border-radius: 12px;
  background: #11161b;
  border: 1px solid var(--line);
}
.stat strong { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }
.stat.wide { grid-column: span 2; }
.stat.wide strong { font-size: 14px; overflow-wrap: anywhere; }

.privacy {
  display: flex;
  gap: 12px;
  margin: 18px 2px 0;
  padding: 15px 17px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.privacy strong { flex: 0 0 auto; color: var(--text); }
footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding: 0 2px;
  color: #66727e;
  font-size: 12px;
}
.hidden { display: none !important; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 650px) {
  .shell { width: min(100% - 22px, 820px); padding-top: 26px; }
  .hero { grid-template-columns: 68px 1fr; gap: 14px; }
  .logo { width: 68px; height: 68px; border-radius: 16px; }
  .subtitle { grid-column: 1 / -1; }
  .panel { padding: 17px; }
  .options { grid-template-columns: 1fr; }
  .check-row { min-height: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .privacy, footer { flex-direction: column; }
}