@font-face {
  font-family: 'Terminus';
  src: url('/fonts/TerminusTTF-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Terminus';
  src: url('/fonts/TerminusTTF-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0b1117;
  --bg-alt: #101a24;
  --card: #17222d;
  --ink: #e6e2d9;
  --muted: #9aa5b1;
  --accent: #f2c14e;
  --border: #2b3a46;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: 'Terminus', 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--ink);
  background: radial-gradient(circle at 10% 10%, var(--bg) 0%, transparent 45%),
    radial-gradient(circle at 90% 20%, var(--bg-alt) 0%, transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.login-shell {
  width: min(100%, 430px);
  padding: 1rem;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.4rem, 4vw, 1.85rem);
}

form {
  display: grid;
  gap: 0.65rem;
}

label {
  font-size: 0.92rem;
}

input,
select,
button {
  width: 100%;
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
}

input,
select {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--ink);
}

input:focus,
select:focus,
button:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(242, 193, 78, 0.25);
}

button {
  margin-top: 0.3rem;
  border: none;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  cursor: pointer;
}

button[disabled] {
  cursor: wait;
  opacity: 0.6;
}

.status {
  min-height: 1.4rem;
  margin: 0.9rem 0 0;
  font-size: 0.92rem;
  color: #ff8a8a;
}

.status.ok {
  color: #78d98e;
}

.challenge {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 10px;
  background: rgba(16, 26, 36, 0.65);
}

.challenge-prompt {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}