body {
    background-color: #FA3636;
    background-image: 
        linear-gradient(135deg, rgba(239, 59, 54, 0.1) 0%, rgba(250, 54, 54, 0.85) 100%),
        url('../images/bg-login.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', sans-serif;
}

.login-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border: none;
    width: 100%;
    max-width: 700px;
    padding: 2.5rem;
    position: relative;
    z-index: 10;
}

.login-header h2 {
    font-weight: 700;
    font-size: 1.6rem;
    color: #1a1a1a;
    margin-bottom: 0.25rem;
}

.login-header p {
    color: #000000;
    font-weight: 400;
    font-size: 18px;
    margin-bottom: 0.25rem;
    line-height: 150%;
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #374151;
    margin-bottom: 0.4rem;
}

.form-control {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    color: #1f2937;
    background-color: #fff;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: #EF3B36;
    box-shadow: 0 0 0 3px rgba(239, 59, 54, 0.15);
    outline: none;
}

.form-control::placeholder {
    color: #9ca3af;
}

.input-group-text {
    background-color: #fff;
    border: 1px solid #e5e7eb;
    border-left: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    color: #9ca3af;
}

.password-field {
    border-right: none;
    border-radius: 8px 0 0 8px;
}

.helper-text {
    font-size: 0.7rem;
    color: #9ca3af;
    margin-top: 0.5rem;
    display: block;
    line-height: 1.3;
}

.btn-red {
    background-color: #EF3B36;
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.8rem;
    border-radius: 8px;
    width: 100%;
    margin-top: 1.2rem;
    font-size: 1rem;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-red:hover {
    background-color: #FA3636;
    color: #fff;
}

.btn-red:active {
    transform: scale(0.98);
}

.error-message {
    color: #EF3B36;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}