:root {
  --bg: #f3efe7;
  --ink: #14212d;
  --panel: rgba(255, 252, 247, 0.84);
  --accent: #15304a;
  --accent-2: #c96b2c;
  --line: rgba(20, 33, 45, 0.12);
  --shadow: 0 18px 60px rgba(21, 48, 74, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 107, 44, 0.18), transparent 30%),
    radial-gradient(circle at right, rgba(21, 48, 74, 0.16), transparent 32%),
    linear-gradient(160deg, #f6f1e8 0%, #e7edf2 100%);
  min-height: 100vh;
}
.app-shell {
  width: min(760px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 24px 0 48px;
}
.hero-card, .panel, .install-card, .update-card {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero-card {
  padding: 28px;
  margin-bottom: 18px;
}
.install-card, .update-card {
  display: grid;
  gap: 14px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
.install-card {
  background: linear-gradient(135deg, rgba(201, 107, 44, 0.16), rgba(255, 252, 247, 0.9));
}
.update-card {
  background: linear-gradient(135deg, rgba(21, 48, 74, 0.14), rgba(255, 252, 247, 0.9));
}
.card-title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
}
.card-copy {
  margin: 0;
  line-height: 1.6;
}
.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent-2);
}
h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.05;
}
.lead {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 54ch;
}
.meta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(21, 48, 74, 0.1);
  font-size: 0.88rem;
}
.pill.subtle {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}
.panel { padding: 22px; }
.form-grid, .notes, .result-card { display: grid; gap: 14px; }
label { display: grid; gap: 8px; }
span { font-size: 0.95rem; }
textarea, input, select, button, output { font: inherit; }
textarea, input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.72);
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--ink);
}
textarea:focus, input:focus, select:focus {
  outline: 2px solid rgba(21,48,74,0.18);
  border-color: rgba(21,48,74,0.28);
}
.row.two-cols {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 25px rgba(21, 48, 74, 0.18);
}
button.secondary {
  background: rgba(255,255,255,0.72);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}
.result-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(21,48,74,0.95), rgba(38,72,101,0.86));
  color: #f8f8f6;
}
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.result-head p { margin: 0; }
#result-badge {
  background: rgba(255,255,255,0.12);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
}
#password-output {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  overflow-wrap: anywhere;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.04rem;
}
dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
dt { opacity: 0.8; }
dd { margin: 2px 0 0; font-weight: 700; }
.notes {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  border: 1px dashed rgba(21,48,74,0.18);
  background: rgba(255,255,255,0.48);
}
.notes p, .notes ul { margin: 0; }
.notes ul { padding-left: 18px; line-height: 1.65; }
@media (max-width: 640px) {
  .row.two-cols, dl { grid-template-columns: 1fr; }
  .app-shell { width: min(100vw - 18px, 760px); padding-top: 14px; }
  .hero-card, .panel, .install-card, .update-card { border-radius: 22px; }
}