body {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    max-width: 450px;
    width: 100%;
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.login-card {
    background: var(--color-bg-base);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    border: none;
}

.login-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text-light);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h100v100H0z' fill='none'/%3E%3Cpath d='M50 10L90 90H10z' fill='%23ffffff' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.1;
}

.login-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.login-icon i {
    font-size: 2.5rem;
    color: var(--color-text-light);
}

.login-header h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin: 0;
    font-size: 1.8rem;
    position: relative;
    z-index: 1;
}

.login-header p {
    margin: 0.5rem 0 0;
    opacity: 0.9;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.login-body {
    padding: 2.5rem 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.input-group-custom {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-primary);
    font-size: 1.1rem;
    z-index: 10;
}

.form-control {
    padding-left: 45px;
    height: 50px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(17, 106, 178, 0.15);
    background-color: #f8f9fa;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    cursor: pointer;
    z-index: 10;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--color-primary);
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.form-check-label {
    color: #6c757d;
    cursor: pointer;
}

.forgot-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.forgot-link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    height: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    color: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    transition: left 0.5s ease;
}

.btn-login:hover::before {
    left: 0;
}

.btn-login span {
    position: relative;
    z-index: 1;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(17, 106, 178, 0.4);
}

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

.alert-custom {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-danger {
    background-color: #ffe6e6;
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.divider span {
    background: var(--color-bg-base);
    padding: 0 1rem;
    position: relative;
    color: #6c757d;
    font-size: 0.85rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.login-footer p {
    color: #6c757d;
    margin: 0;
    font-size: 0.9rem;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Responsive */
@media (max-width: 576px) {
    .login-header {
        padding: 2rem 1.5rem;
    }

    .login-body {
        padding: 2rem 1.5rem;
    }

    .login-header h3 {
        font-size: 1.5rem;
    }
}