:root {
  color-scheme: dark;
  --ink: #f5f8fb;
  --muted: #9fb1c1;
  --panel: rgba(14, 42, 61, 0.78);
  --line: rgba(177, 213, 227, 0.16);
  --accent: #55e6a5;
  --warning: #ffcc66;
  --danger: #ff7b77;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: #061522;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 4%, rgba(32, 153, 135, 0.34), transparent 34rem),
    radial-gradient(circle at -10% 42%, rgba(19, 80, 117, 0.5), transparent 28rem),
    linear-gradient(165deg, #071a2b 0%, #071622 58%, #04101a 100%);
}

main {
  width: min(100% - 32px, 520px);
  margin: 0 auto;
  padding: max(36px, env(safe-area-inset-top)) 0 max(44px, env(safe-area-inset-bottom));
}

.hero { padding: 12px 4px 30px; }
.hero.compact h1 { font-size: clamp(2.7rem, 12vw, 4rem); }
.login-main { padding-top: max(72px, env(safe-area-inset-top)); }
.mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 28px;
  border: 1px solid rgba(85, 230, 165, 0.35);
  border-radius: 17px;
  background: rgba(85, 230, 165, 0.1);
  box-shadow: 0 16px 50px rgba(30, 196, 151, 0.12);
}
.mark::before {
  content: "";
  width: 18px;
  height: 20px;
  border: 3px solid var(--accent);
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
  border-bottom: 0;
}
.mark span {
  position: absolute;
  width: 24px;
  height: 3px;
  margin-top: 18px;
  border-radius: 3px;
  background: var(--accent);
}
.eyebrow, .step {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}
h1 {
  margin: 0;
  max-width: 480px;
  font-size: clamp(2.7rem, 12vw, 4.6rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}
.lede {
  max-width: 440px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
}

.status-card, .action-card {
  margin-bottom: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(0, 7, 13, 0.2);
  backdrop-filter: blur(18px);
}
.status-row { display: flex; align-items: center; gap: 14px; }
.status-dot {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--warning);
  box-shadow: 0 0 0 7px rgba(255, 204, 102, 0.1);
}
.status-dot.available { background: var(--accent); box-shadow: 0 0 0 7px rgba(85, 230, 165, 0.12); }
.status-dot.error { background: var(--danger); box-shadow: 0 0 0 7px rgba(255, 123, 119, 0.12); }
.label { margin: 0 0 2px; color: var(--muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; }
.value { margin: 0; font-size: 1.15rem; font-weight: 750; }
dl { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0 0; padding-top: 18px; border-top: 1px solid var(--line); }
dt { color: var(--muted); font-size: 0.78rem; }
dd { margin: 5px 0 0; font-weight: 650; }

.action-card h2 { margin: 0 0 10px; font-size: 1.45rem; letter-spacing: -0.02em; }
.action-card p:not(.step, .message) { margin: 0; color: var(--muted); line-height: 1.55; }
label { display: block; margin: 20px 0 8px; color: var(--muted); font-size: 0.82rem; }
input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(177, 213, 227, 0.22);
  border-radius: 14px;
  outline: none;
  color: var(--ink);
  background: rgba(2, 14, 24, 0.62);
  font: 700 1rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(85, 230, 165, 0.12); }
button {
  width: 100%;
  margin-top: 12px;
  padding: 15px 18px;
  border: 0;
  border-radius: 14px;
  color: #032018;
  background: var(--accent);
  font: 800 0.96rem inherit;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: wait; }
.button-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 18px; }
.button-row button { margin: 0; }
button.secondary { color: var(--ink); background: rgba(124, 189, 219, 0.17); }
button.quiet { width: auto; color: var(--muted); background: transparent; border: 1px solid var(--line); }
.message { min-height: 1.3em; margin: 12px 0 0; color: var(--accent); font-size: 0.86rem; }
.message.error { color: var(--danger); }
.ready { border-color: rgba(85, 230, 165, 0.28); }
.product-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 6px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
.product-link span { color: var(--accent); font-size: 1.3rem; }
[hidden] { display: none !important; }

@media (max-width: 390px) {
  main { width: min(100% - 22px, 520px); }
  .status-card, .action-card { padding: 19px; border-radius: 20px; }
  dl { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot { animation: breathe 2.8s ease-in-out infinite; }
  @keyframes breathe { 50% { transform: scale(0.86); opacity: 0.7; } }
}