:root {
  color-scheme: dark;
  --bg: #090d0b;
  --panel: #111713;
  --border: rgba(125, 196, 255, 0.14);
  --text: #e7ece8;
  --muted: #92a09b;
  --accent: #3ecf8e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top, rgba(62, 207, 142, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

.login-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(17, 23, 19, 0.96);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 2rem;
}

.lede {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.login-form {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(125, 196, 255, 0.16);
  background: #0c120f;
  color: var(--text);
  font: inherit;
}

button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  background: linear-gradient(180deg, #53d89d, #2aa36f);
  color: #04110a;
  font-weight: 700;
  cursor: pointer;
}

.message {
  min-height: 1.2em;
  color: #ff9f9f;
  font-size: 0.9rem;
}