:root {
  --bg: #090b10;
  --panel: #111620;
  --line: #283244;
  --ink: #f5f7fb;
  --muted: #9aa7b7;
  --red: #e13b4f;
  --blue: #68a9ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(225, 59, 79, 0.16), transparent 34%),
    radial-gradient(circle at 80% 20%, rgba(104, 169, 255, 0.16), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
  width: min(460px, calc(100vw - 32px));
}

.login-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(17, 22, 32, 0.94);
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1;
}

.copy {
  color: var(--muted);
  line-height: 1.5;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #090d14;
  color: var(--ink);
  padding: 9px 12px;
  font: inherit;
}

input:focus {
  outline: 3px solid rgba(104, 169, 255, 0.22);
  border-color: var(--blue);
}

button {
  width: 100%;
  min-height: 46px;
  margin-top: 14px;
  border: 0;
  border-radius: 7px;
  background: var(--red);
  color: white;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.error {
  min-height: 20px;
  margin: 12px 0 0;
  color: #ff8a99;
  font-weight: 800;
}