:root {
  color-scheme: dark;
  --bg: #070808;
  --surface: #111416;
  --line: #2a3036;
  --text: #f4f6f8;
  --muted: #9aa3ad;
  --green: #20c997;
  --red: #ff5c5c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(440px, 100%);
  display: grid;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand span {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--green);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.muted {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 10px;
}

p {
  line-height: 1.55;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.86rem;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #090b0d;
  color: var(--text);
  outline: none;
}

input:focus {
  border-color: var(--green);
}

button {
  min-height: 44px;
  border: 1px solid rgba(32, 201, 151, 0.45);
  border-radius: 8px;
  background: var(--green);
  color: #06110d;
  cursor: pointer;
  font-weight: 800;
}

.message {
  min-height: 20px;
  margin: 0;
  color: var(--red);
  font-size: 0.9rem;
}