:root {
  color-scheme: dark;
  --background: #090d12;
  --surface: #111820;
  --border: #2b3b48;
  --text: #f3f6f8;
  --secondary: #aeb9c2;
  --mint: #6ee7a8;
  --cyan: #6dd7f2;
  --dark: #06110d;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(110, 231, 168, 0.16), transparent 34rem),
    radial-gradient(circle at 96% 6%, rgba(101, 215, 237, 0.12), transparent 30rem),
    var(--background);
}

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

.login-card {
  width: min(100%, 430px);
  padding: clamp(28px, 7vw, 48px);
  background: rgba(17, 24, 32, 0.96);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

.mark {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 30px;
  place-items: center;
  color: var(--dark);
  background: var(--mint);
  border-radius: 12px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 7vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.intro {
  margin: 0 0 28px;
  color: var(--secondary);
}

.error {
  padding: 10px 12px;
  color: #ffd4d4;
  background: rgba(255, 95, 95, 0.1);
  border: 1px solid rgba(255, 95, 95, 0.3);
  border-radius: 9px;
  font-size: 13px;
}

form,
label {
  display: grid;
  gap: 8px;
}

form {
  gap: 18px;
}

label span {
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
}

input,
button {
  min-height: 48px;
  font: inherit;
  border-radius: 10px;
}

input {
  width: 100%;
  padding: 0 13px;
  color: var(--text);
  background: #0d131a;
  border: 1px solid var(--border);
}

button {
  margin-top: 6px;
  color: var(--dark);
  background: var(--mint);
  border: 1px solid var(--mint);
  cursor: pointer;
  font-weight: 800;
}

input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}