* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0b0f14;
  color: #e7ecf3;
  line-height: 1.5;
  min-height: 100vh;
}

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

.panel {
  background: #141b26;
  border: 1px solid #243044;
  border-radius: 12px;
  padding: 24px;
}

.login-card {
  width: min(100%, 420px);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.login-brand h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  font-weight: 700;
}

.login-brand p {
  margin: 0;
  color: #8b9cb3;
  font-size: 0.9rem;
}

.login-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.8rem;
  color: #8b9cb3;
  font-weight: 600;
}

.field input {
  width: 100%;
  border: 1px solid #243044;
  border-radius: 8px;
  background: #0b0f14;
  color: #e7ecf3;
  padding: 12px 14px;
  font: inherit;
}

.field input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-primary {
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 12px 16px;
  cursor: pointer;
}

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

.login-error {
  margin: 0;
  color: #fca5a5;
  font-size: 0.9rem;
}