:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
}

body {
    background-image: url("../images/pexels-ylanite-koppens-796607.jpg");
    background-size: cover;
    /* background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); */
    min-height: 100vh;
    /* display: flex; */
    align-items: center;
}

.admin-login-container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 0.5rem 1rem rgba(58,59,69,.15);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-top: 4px solid var(--danger-color);
}

.card-header {
    background: transparent;
    border-bottom: none;
    padding: 25px 25px 5px;
}

.card-title {
    color: var(--dark-color);
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
}

.card-subtitle {
    color: var(--secondary-color);
    text-align: center;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.card-body {
    padding: 25px;
}

.form-label {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    border-radius: 10px;
    padding: 12px;
    border: 2px solid #e3e6f0;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.input-group-text {
    border-radius: 10px;
    background: transparent;
    border: 2px solid #e3e6f0;
}

.btn-danger {
    background: var(--danger-color);
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(231, 74, 59, 0.3);
    transition: all 0.3s ease;
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(231, 74, 59, 0.4);
}

/* .btn-secondary {
    background:whitesmoke;
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(133, 135, 150, 0.3);
    transition: all 0.3s ease;
    color: white;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    width: 50%;
    margin-top: 10px;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(133, 135, 150, 0.4);
    color: white;
}

.footer-text {
    text-align: center;
    color: var(--secondary-color);
    margin-top: 20px;
}

.footer-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

*/

.footer-text {
    text-align: center;
    
}

.footer-text a {
    text-decoration: none;
}

.back-button {
    background-color: var(--danger-color);
    border-color: #7a0b01;
    color: rgb(255, 255, 255);
    padding: 8px 15px;
    border-radius:16px;
    font-size: 1rem;
    letter-spacing: 0.8px;
    white-space: nowrap;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    text-decoration: none;
    box-shadow: 0 5px 0 #7a0b01;
    display: inline-block;
    margin-top: 1.5rem;
}

.back-button:hover {
    filter: brightness(1.1);
    color: rgb(255, 255, 255);
}

.back-button:active {
    transform: translateY(5px);
    box-shadow: none;
}

.alert {
    border-radius: 10px;
    border: none;
}

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

.brand-logo i {
    font-size: 48px;
    color: var(--danger-color);
   
}

.brand-logo i:hover {
    transform: scale(1.2);
}

footer{
    font-family: "Courier New", Courier, monospace;
    width: 100%;
    color: white;
    text-align: center;
    list-style-type: none;
    padding: 12px 0;
    margin: 10px 0;
}

/* Responsive Adjustments 1366px x 768px dell latitude 5430 */
@media (max-width: 1360px) {
    
    .brand-logo i {
        font-size: 38px;
        
    }

}

/* Responsive Adjustments 768px x 1024px iPad Mini 3 */
@media (max-width: 770px) {
    h3{
        font-size: 1.5rem;
    }

    .btn-danger{
        font-size: 0.8rem;
    }

    .back-button {
        font-size: 0.8rem;
    }

}

/* Responsive Adjustments 384px × 824px S22 Ultra */
@media (max-width: 390px) {
    h3{
        font-size: 1.3rem;
    }
    
    .back-button {
        font-size: 0.7rem;
    }

    footer{
        font-size: 0.8rem;
    }
}