:root {
  --bg0: #0f1419;
  --bg1: #1a222c;
  --card: #1e2833;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cf0;
  --accent-2: #2a7fd4;
  --danger: #e85d5d;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 156, 240, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 100%, rgba(42, 127, 212, 0.12), transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
}

.login-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.login-card {
  width: min(100%, 380px);
  padding: 28px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

@media (max-width: 480px) {
  .login-card {
    padding: 22px 18px 20px;
  }

  .login-card h1 {
    font-size: 1.35rem;
  }
}

.login-brand {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.login-card h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.login-sub {
  margin: 8px 0 22px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.field span {
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.field input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
}

.field input:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.login-error {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  color: #ffb4b4;
  font-size: 0.86rem;
}

.login-btn {
  width: 100%;
  height: 44px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.login-btn:hover {
  filter: brightness(1.06);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: wait;
}