:root {
  --bg: #0e1116;
  --surface: #171c24;
  --surface-2: #1f2630;
  --text: #e6edf3;
  --muted: #9aa7b5;
  --accent: #3ddc97;
  --accent-2: #2bb47e;
  --border: #2a323d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 10px;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  font-weight: 600; cursor: pointer; transition: transform .08s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #06231a; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-2); }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }

.nav {
  display: flex; align-items: center; gap: 24px;
  padding: 18px 6vw; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(14,17,22,.85); backdrop-filter: blur(8px); z-index: 10;
}
.brand { font-weight: 800; font-size: 1.25rem; }
.nav nav { display: flex; gap: 20px; margin-left: auto; }
.nav nav a { color: var(--muted); }
.nav nav a:hover { color: var(--text); }

.hero { text-align: center; padding: 90px 6vw 70px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.15; letter-spacing: -.02em; }
.hero .sub { color: var(--muted); max-width: 620px; margin: 22px auto 30px; font-size: 1.1rem; }
.hero .sub strong { color: var(--accent); }
.trust { color: var(--muted); font-size: .9rem; margin-top: 22px; }

section { padding: 70px 6vw; }
section h2 { font-size: 1.8rem; text-align: center; margin-bottom: 8px; }

.calc { background: var(--surface); }
.calc-hint { text-align: center; color: var(--muted); margin-bottom: 28px; }
.calc-card {
  max-width: 560px; margin: 0 auto; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 18px; padding: 28px;
}
.calc-card label { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; }
.gb-label { color: var(--accent); font-size: 1.3rem; }
input[type=range] { width: 100%; margin: 16px 0 24px; accent-color: var(--accent); }

.modes { display: flex; gap: 10px; margin-bottom: 22px; }
.mode {
  flex: 1; display: flex; flex-direction: column; gap: 2px; align-items: center;
  padding: 12px 6px; border-radius: 10px; background: var(--surface);
  border: 1px solid var(--border); color: var(--muted); cursor: pointer; font-weight: 600;
}
.mode small { font-weight: 400; font-size: .75rem; }
.mode.active { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 1px var(--accent) inset; }

.result { background: var(--surface); border-radius: 12px; padding: 18px; margin-bottom: 22px; }
.result-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.result-row strong { color: var(--accent); font-size: 1.2rem; }
.result-headline { margin-top: 14px; color: var(--text); font-weight: 600; }

.steps { display: grid; gap: 16px; grid-template-columns: 1fr; max-width: 760px; margin: 30px auto 0; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; color: var(--muted);
}
.step span {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: #06231a; font-weight: 800; margin-bottom: 12px;
}

.plans { display: grid; gap: 18px; grid-template-columns: 1fr; max-width: 720px; margin: 30px auto 0; }
@media (min-width: 640px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 26px; }
.plan-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan h3 { margin-bottom: 6px; }
.price { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.price small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.plan ul { list-style: none; margin-bottom: 20px; }
.plan li { padding: 6px 0; color: var(--muted); }
.plan li::before { content: "✓ "; color: var(--accent); }

.footer { text-align: center; color: var(--muted); padding: 40px 6vw; border-top: 1px solid var(--border); }

.app-shell { min-height: 100vh; background: var(--bg); }
.app-main { max-width: 980px; margin: 0 auto; padding: 42px 6vw 80px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 24px; margin: 18px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 820px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.field input, .field select { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); }
.notice { color: var(--muted); font-size: .92rem; margin-top: 8px; }
.error { color: #ff8a80; margin-top: 10px; }
.success { color: var(--accent); margin-top: 10px; }
.hidden { display: none !important; }
.jobs { display: grid; gap: 12px; }
.job { display: grid; gap: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 14px; padding: 14px; }
.job-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.badge { border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; color: var(--muted); font-size: .85rem; }
.badge.done { color: #06231a; background: var(--accent); border-color: var(--accent); }
.badge.failed { color: #fff; background: #b3261e; border-color: #b3261e; }
.progress { height: 10px; background: var(--surface); border-radius: 99px; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--accent); width: 0; }
.legal { max-width: 820px; margin: 0 auto; padding: 60px 6vw; }
.legal h1, .legal h2 { text-align: left; margin: 24px 0 10px; }
.legal p, .legal li { color: var(--muted); margin: 8px 0; }
.legal ul { margin-left: 20px; }


/* === cloudiet: advanced settings + estimate polish === */
.advanced-settings {
  margin: 14px 0;
  padding: 0;
}
.advanced-settings summary {
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.85;
  padding: 6px 0;
  user-select: none;
}
.advanced-settings summary:hover {
  opacity: 1;
}
.advanced-settings .field {
  margin-top: 12px;
}
.warning-notice {
  font-size: 0.85rem;
  color: #f0b429;
  background: rgba(240, 180, 41, 0.08);
  border: 1px solid rgba(240, 180, 41, 0.25);
  border-radius: 8px;
  padding: 8px 12px;
  margin: 10px 0 0 0;
  line-height: 1.4;
}
#estimateBox {
  margin: 14px 0 18px 0;
  line-height: 1.5;
}
#filePreview {
  margin-top: 6px;
}