body {
    background: linear-gradient(135deg, var(--accent) 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 20px;
}

.login-container {
    max-width: 400px;
    width: 100%;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h1 {
    color: var(--text-primary);
    font-size: 2em;
    margin: 0;
}

.login-logo p {
    color: var(--text-muted);
    margin-top: 5px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 0.9em;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1em;
    transition: border-color 0.3s;
}

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

.form-group input:focus:invalid {
    border-color: var(--danger-light);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.form-options label {
    color: var(--text-secondary);
    font-size: 0.9em;
    cursor: pointer;
}

.form-options label input {
    margin-right: 5px;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-login:active {
    transform: translateY(0);
}

.flash-message {
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 0.9em;
}