:root {
  color-scheme: dark;
  --bg: #1b1b1f;
  --card: #232327;
  --border: #3e3e46;
  --text: #e6e6e6;
  --muted: #9a9aa2;
  --accent: #61affe;
  --error: #f2786d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 2.5rem 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  padding: 0.65rem;
  margin-top: 0.25rem;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #0b0b0d;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}

.error {
  margin: 0 0 0.5rem;
  color: var(--error);
  font-size: 0.85rem;
}