/* Upsleeve's Holo look: ink-indigo ground, raised panel, foil accent. */
:root {
  --bg: #0b0a1c;
  --glow: #241d66;
  --panel: #16143a;
  --line: #2b2852;
  --ink: #f6f4ff;
  --dim: #aba6d6;
  --red: #ff6b8b;
  --foil: linear-gradient(115deg, #6ef2e0, #8c7bff, #ff86d1, #ffd46a);
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px 16px;
  background: radial-gradient(120% 60% at 50% 0%, var(--glow), transparent 70%), var(--bg);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 28px 24px 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  overflow: hidden;
}

.foil { position: absolute; inset: 0 0 auto; height: 4px; background: var(--foil); }

.brand {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--foil);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h1 { margin: 0 0 8px; font-size: 24px; line-height: 1.25; }

p { margin: 0 0 14px; }

.dim { color: var(--dim); font-size: 14px; }

strong { font-weight: 600; word-break: break-all; }

form { display: grid; gap: 8px; margin-top: 6px; }

label { font-size: 13px; font-weight: 600; color: var(--dim); }

input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

input:focus { outline: 2px solid #8c7bff; outline-offset: 1px; }

.problem { margin: 2px 0 0; color: var(--red); font-size: 14px; }

.button {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 14px;
  border: 0;
  border-radius: 16px;
  background: var(--foil);
  color: var(--bg);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.button:disabled { opacity: 0.6; cursor: default; }

[hidden] { display: none !important; }

/* The community guidelines, on the same card. */
.guidelines { max-width: 560px; }
.guidelines h2 { margin: 20px 0 4px; font-size: 16px; }