:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #667085;
  --line: #d8dee8;
  --surface: #ffffff;
  --canvas: #f5f7fb;
  --blue: #2f6fed;
  --red: #b42318;
  --shadow: 0 8px 22px rgba(16, 32, 51, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: var(--canvas);
}

.login-card {
  width: min(360px, calc(100vw - 32px));
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 20px;
}

.login-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.login-card label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}

.login-card input {
  width: 100%;
  min-height: 38px;
  margin-bottom: 14px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.login-card input:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
  border-color: var(--blue);
}

.login-card button {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  color: #ffffff;
  background: var(--blue);
  font: inherit;
  cursor: pointer;
}

.login-card button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.login-error {
  margin: 12px 0 0;
  color: var(--red);
  font-size: 13px;
}