@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    
    text-decoration: none;
    list-style: none;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: white;
}
.container{
    position: relative;
    width: 850px;
    height: 550px;
    background: #fff;
    margin: 20px;
    border-radius: 30px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.086);
    overflow: hidden;
}

.container h1{
    font-size: 36px;
    margin: -10px 0;
}

.container p{
    font-size: 14.5px;
    margin: 15px 0;
}

form{ width: 100%; }

.form-box{
    position: absolute;
    right: 0;
    width: 50%;
    height: 100%;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #333;
    text-align: center;
    padding: 40px;
    z-index: 1;
    transition: .6s ease-in-out 1.2s, visibility 0s 1s;
}

.form-box img{
     border: 1px solid rgb(232, 228, 228);
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.container.active .form-box{ right: 50%; }

.form-box.register{ visibility: hidden; }
.container.active .form-box.register{ visibility: visible; }

.input-box{
    position: relative;
    margin: 30px 0;
}

.input-box input{
    width: 100%;
    padding: 13px 50px 13px 20px;
    background: #eee;
    border-radius: 8px;
    border: none;
    outline: none;
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

.input-box input::placeholder{
    color: #888;
    font-weight: 400;
}

.input-box i{
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
}

.forgot-link{ margin: -15px 0 15px; }
.forgot-link a{
    font-size: 14.5px;
    color: #333;
}

.btn{
    width: 100%;
    height: 48px;
    background: #004e92;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: #fff;
    font-weight: 600;
}

.toggle-box{
    position: absolute;
    width: 100%;
    height: 100%;
}

.toggle-box::before{
    content: '';
    position: absolute;
    left: -250%;
    width: 300%;
    height: 100%;
    background: #004e92;
    border-radius:0 0 150px 150px;
    z-index: 2;
    transition: 1.8s ease-in-out;
}

.container.active .toggle-box::before{ left: 50%; }

.toggle-panel{
    position: absolute;
    width: 50%;
    height: 100%;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2;
    transition: .6s ease-in-out;
}

.toggle-panel.toggle-left{ 
    left: 0;
    transition-delay: 1.2s; 
}
.container.active .toggle-panel.toggle-left{
    left: -50%;
    transition-delay: .6s;
}

.toggle-panel.toggle-right{ 
    right: -50%;
    transition-delay: 1.2s; 
}
.container.active .toggle-panel.toggle-right{
    right: 0;
    top: -2%;
    transition-delay: .6s;
}

.toggle-panel p{ margin-bottom: 20px; }

.toggle-panel .btn{
    width: 160px;
    height: 46px;
    background: transparent;
    border: 2px solid #fff;
    box-shadow: none;
}

.backBtn{
    position: relative;
    display: flex;
    left: 160px;
    bottom: 200px;
    color: white;
    font-size: 14px;
}

@media screen and (max-width: 650px){
    .container{ height: calc(100vh - 40px); }

  
    .form-box{
        position: absolute;
        width: 100%;
        height: 70%;
        bottom: 0;
       
        transition: transform 0.6s ease-in-out, opacity 0.3s ease-in-out;
        opacity: 1;
        visibility: visible;
    }
   
    .container.active .form-box{
        right: 0;
        top: 30%;
    }
    .form-box.login {
        transform: translateY(0);
    }

    .form-box.register {
        transform: translateY(100%);
        opacity: 0;
        visibility: hidden;
    }

    .container.active .form-box.login {
        transform: translateY(100%);
        opacity: 0;
        visibility: hidden;
    }

    .container.active .form-box.register {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        transition-delay: 0.3s;
    }

    .toggle-box{
        position: absolute;
        width: 100%;
        height: 30%;
        top: 0;
        overflow: hidden;
    }

    .toggle-box::before{
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        border-radius:0 0 150px 150px;
    }

    .container.active .toggle-box::before{
        left: 0;
        top: 0;
    }

    .toggle-panel{ 
        width: 100%;
        height: 100%;
        transition: transform 0.6s ease-in-out, opacity 0.3s ease-in-out;
        opacity: 1;
    }

    .toggle-panel.toggle-left{ 
        top: 0;
        left: 0;
        transform: translateY(0);
    }

    .toggle-panel.toggle-right{
        top: 0;
        right: 0;
        transform: translateY(-100%);
        opacity: 0;
    }

    .container.active .toggle-panel.toggle-left{
        left: 0;
        transform: translateY(-100%);
        opacity: 0;
    }

    .container.active .toggle-panel.toggle-right{
        right: 0;
        top: 0;
        transform: translateY(0);
        opacity: 1;
    }

    .backBtn{
        position: absolute;
        top: 20px;
        right: 20px;
        left: auto;
        bottom: auto;
        color: white;
        font-size: 14px;
    }
}

@media screen and (max-width: 400px){
    .form-box { padding: 20px; }
    .toggle-panel h1{font-size: 30px; }
}

@media (max-width: 768px) {
    .backBtn{
        position: absolute;
        top: 20px;
        right: 20px;
        left: auto;
        bottom: auto;
        color: white;
        font-size: 14px;
    }
}

.alert {
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 5px;
    font-size: 14px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Resend Section */
.resend-section {
    margin-top: 20px;
    text-align: center;
}

#timer {
    font-size: 14px;
    color: #666;
}

.btn-link {
    background: none;
    border: none;
    color: #004e92;
    cursor: pointer;
    font-size: 14px;
    text-decoration: underline;
}

.btn-link:hover {
    color: #003366;
}

/* Phone Display */
.phone-display {
    font-size: 14px;
    margin-top: 10px;
}

#phoneDisplay {
    font-weight: bold;
    direction: ltr;
    display: inline-block;
}

/* Loading State */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #f3f3f3;
    border-radius: 50%;
    border-top: 2px solid #fff;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Input validation */
.input-box input:invalid {
    border: 1px solid #dc3545;
}

.input-box input:valid {
    border: 1px solid #28a745;
}

.btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.alert {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}