:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #202124;
  background: #f7f9fc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, #eaf2ff, #f7f9fc 45%);
}

.login-card {
  width: min(420px, 100%);
  padding: 34px;
  border: 1px solid #dfe3eb;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(24, 42, 74, 0.12);
}

.eyebrow {
  margin: 0 0 8px;
  color: #1a73e8;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: 28px; }
.intro { margin: 10px 0 24px; color: #5f6368; line-height: 1.5; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 8px; font-size: 14px; font-weight: 750; }

input {
  width: 100%;
  height: 48px;
  border: 1px solid #bdc1c6;
  border-radius: 9px;
  padding: 0 13px;
  font: inherit;
  font-size: 16px;
}

input:focus { border-color: #1a73e8; outline: 3px solid rgba(26, 115, 232, .16); }

button {
  height: 48px;
  border: 0;
  border-radius: 9px;
  background: #1a73e8;
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}

a { display: inline-block; margin-top: 20px; color: #1a73e8; font-size: 14px; font-weight: 700; text-decoration: none; }
.error { margin: 0 0 18px; padding: 12px; border-radius: 8px; background: #fce8e6; color: #b3261e; font-size: 14px; font-weight: 700; }
.hidden { display: none !important; }