* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 1.5rem;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
}

.login-body {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 0.25rem;
}

.form-group input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-login {
    width: 100%;
    background: #3b82f6;
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    margin-top: 0.5rem;
}

.btn-login:hover {
    background: #2563eb;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border-left: 4px solid #ef4444;
    font-size: 0.875rem;
}