:root {
  color-scheme: dark;
  --bg: #07080c;
  --text: #f5f6fa;
  --muted: #9aa0b5;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #c4b5fd;
}
* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
}
body {
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.18), transparent 45%),
    radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.12), transparent 40%),
    var(--bg);
}
.login-shell {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(100%, 400px);
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(14, 16, 24, 0.88);
  backdrop-filter: blur(16px);
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.login-brand img {
  border-radius: 12px;
}
.login-brand h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.login-lead {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}
.login-card label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: var(--muted);
}
.login-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}
.login-card input:focus {
  outline: 2px solid rgba(196, 181, 253, 0.45);
  outline-offset: 1px;
}
.login-card button.primary {
  width: 100%;
  margin-top: 6px;
  padding: 12px 16px;
  border: 0;
  border-radius: 999px;
  background: #efeaff;
  color: #1b1230;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
.login-card button.primary:hover {
  filter: brightness(1.05);
}
.login-card button.primary:disabled {
  opacity: 0.6;
  cursor: wait;
}
.login-error {
  margin: 14px 0 0;
  color: #fca5a5;
  font-size: 0.9rem;
}