* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #eef2f5;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 360px);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid #d6dde6;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgba(21, 32, 48, 0.12);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #172033;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  margin: 14px 0 0;
  font-size: 24px;
  line-height: 1.2;
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: #42506a;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #c9d2df;
  border-radius: 6px;
  padding: 10px 12px;
  font: inherit;
  color: #172033;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: #2266cc;
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.error {
  min-height: 20px;
  margin: 0;
  color: #b42318;
  font-size: 13px;
  line-height: 1.4;
}