:root {
  --font-main: "Inter", "SF Pro Display", "PingFang SC", "Noto Sans SC", sans-serif;
  --bg-0: #0d1117;
  --bg-1: #122033;
  --text-1: #e7f2ff;
  --text-2: #93a9ca;
  --border: rgba(132, 160, 203, 0.32);
  --accent: #10b981;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-1);
  background:
    radial-gradient(circle at 18% 10%, rgba(16, 185, 129, 0.2), transparent 36%),
    radial-gradient(circle at 80% 90%, rgba(20, 184, 166, 0.14), transparent 40%),
    linear-gradient(135deg, #090d14, var(--bg-0), var(--bg-1));
}

.login-page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 20px;
}

.card {
  width: min(430px, 100%);
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(14, 24, 39, 0.72);
  backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 16px 32px rgba(3, 8, 20, 0.45);
}

.card h1 {
  margin: 0;
  font-size: 1.4rem;
}

.card p {
  margin: 8px 0 0;
  color: var(--text-2);
}

form {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-2);
}

input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-1);
  padding: 10px 11px;
  font: inherit;
}

button {
  margin-top: 6px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--accent), #0ea5a1);
  color: #03121b;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 12px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: default;
}

.message {
  min-height: 20px;
  margin-top: 10px;
  font-size: 0.85rem;
}