/* Kevin Login — hell · orange · modern · selbsterklärend */
:root {
  --k-bg: #fff7ed;
  --k-bg-card: #ffffff;
  --k-orange: #ea7a2f;
  --k-orange-deep: #c45e18;
  --k-orange-soft: #ffedd5;
  --k-text: #1c1917;
  --k-muted: #78716c;
  --k-line: #fed7aa;
  --k-err: #b45309;
  --k-radius: 18px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 420px at 50% -10%, var(--k-orange-soft), transparent 60%),
    var(--k-bg);
  color: var(--k-text);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  line-height: 1.45;
}
.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1.15rem 2rem;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--k-bg-card);
  border: 1px solid var(--k-line);
  border-radius: var(--k-radius);
  padding: 1.75rem 1.35rem 1.5rem;
  box-shadow: 0 16px 40px rgba(196, 94, 24, 0.08);
  text-align: center;
}
.login-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 18px;
  background: var(--k-orange-soft);
  color: var(--k-orange-deep);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}
.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.55rem;
  font-weight: 750;
}
.login-lead {
  margin: 0 0 1.35rem;
  color: var(--k-muted);
  font-size: 1.02rem;
}
.login-err {
  margin: 0 0 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: var(--k-err);
  font-size: 0.95rem;
}
.login-name-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--k-muted);
  margin-bottom: 0.35rem;
}
.login-name {
  width: 100%;
  margin-bottom: 1.1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--k-line);
  border-radius: 12px;
  background: #fffaf5;
  color: var(--k-text);
  font-size: 1.05rem;
  text-align: center;
  font-family: inherit;
  outline: none;
}
.login-name:focus { border-color: var(--k-orange); }
.pin-row {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1.15rem;
}
.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--k-line);
  background: transparent;
}
.pin-dot.is-on {
  background: var(--k-orange);
  border-color: var(--k-orange);
}
.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-bottom: 0.35rem;
}
.pad button {
  appearance: none;
  border: 1px solid var(--k-line);
  background: #fffaf5;
  color: var(--k-text);
  border-radius: 14px;
  min-height: 3.35rem;
  font-size: 1.35rem;
  font-weight: 650;
  cursor: pointer;
}
.pad button:active { background: var(--k-orange-soft); }
.pad button.ghost {
  background: transparent;
  color: var(--k-muted);
  font-size: 0.95rem;
}
.login-go {
  width: 100%;
  margin-top: 1rem;
  appearance: none;
  border: 0;
  border-radius: 14px;
  min-height: 3.1rem;
  background: var(--k-orange);
  color: #fff;
  font-size: 1.08rem;
  font-weight: 700;
  cursor: pointer;
}
.login-go:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.login-foot {
  margin-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--k-muted);
  max-width: 400px;
  text-align: center;
}
.login-foot a { color: var(--k-orange-deep); }
#pin { position: absolute; left: -9999px; }