@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body{
    background-color: #c9d6ff;
    background: linear-gradient(to right, #e2e2e2, #c9d6ff);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100vh;
    transition: background 0.3s ease;
}

.container{
    background-color: #fff;
    border-radius: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.container p{
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.3px;
    margin: 20px 0;
}

.container span{
    font-size: 12px;
}

.container a{
    color: #333;
    font-size: 13px;
    text-decoration: none;
    margin: 15px 0 10px;
}

.container button{
    background-color: #512da8;
    color: #fff;
    font-size: 12px;
    padding: 10px 45px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.container button.hidden{
    background-color: transparent;
    border-color: #fff;
}

.container form{
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    height: 100%;
}

.container input{
    background-color: #eee;
    border: none;
    margin: 8px 0;
    padding: 10px 15px;
    font-size: 13px;
    border-radius: 8px;
    width: 100%;
    outline: none;
}

.form-container{
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in{
    left: 0;
    width: 50%;
    z-index: 2;
}

.container.active .sign-in{
    transform: translateX(100%);
}

.sign-up{
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
}

.container.active .sign-up{
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
    animation: move 0.6s;
}

@keyframes move{
    0%, 49.99%{
        opacity: 0;
        z-index: 1;
    }
    50%, 100%{
        opacity: 1;
        z-index: 5;
    }
}

.social-icons{
    margin: 20px 0;
}

.social-icons a{
    border: 1px solid #ccc;
    border-radius: 20%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 3px;
    width: 40px;
    height: 40px;
}

.toggle-container{
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: all 0.6s ease-in-out;
    border-radius: 150px 0 0 100px;
    z-index: 1000;
}

.container.active .toggle-container{
    transform: translateX(-100%);
    border-radius: 0 150px 100px 0;
}

.toggle{
    background-color: #512da8;
    height: 100%;
    background: linear-gradient(to right, #5c6bc0, #512da8);
    color: #fff;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateX(0);
    transition: all 0.6s ease-in-out;
}

.container.active .toggle{
    transform: translateX(50%);
}

.toggle-panel{
    position: absolute;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 30px;
    text-align: center;
    top: 0;
    transform: translateX(0);
    transition: all 0.6s ease-in-out;
}

.toggle-left{
    transform: translateX(-200%);
}

.container.active .toggle-left{
    transform: translateX(0);
}

.toggle-right{
    right: 0;
    transform: translateX(0);
}

.container.active .toggle-right{
    transform: translateX(200%);
}

.theme-selector {
    margin-top: 30px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 600px;
    width: 90%;
}

.theme-selector-content h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.color-options {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.color-option {
    width: 80px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.color-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.color-option.active {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.8), 0 8px 25px rgba(0, 0, 0, 0.3);
}

.color-option span {
    color: white;
    font-weight: 600;
    font-size: 10px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

body.theme-ocean {
    background: linear-gradient(to right, #E3F2FD, #BBDEFB);
}

body.theme-ocean .toggle {
    background: linear-gradient(to right, #2196F3, #1976D2);
}

body.theme-ocean .container button {
    background-color: #1976D2;
}

body.theme-sunset {
    background: linear-gradient(to right, #FFF3E0, #FFE0B2);
}

body.theme-sunset .toggle {
    background: linear-gradient(to right, #FF6B6B, #FF8E53);
}

body.theme-sunset .container button {
    background-color: #FF8E53;
}

body.theme-forest {
    background: linear-gradient(to right, #E8F5E8, #C8E6C9);
}

body.theme-forest .toggle {
    background: linear-gradient(to right, #4CAF50, #2E7D32);
}

body.theme-forest .container button {
    background-color: #2E7D32;
}

body.theme-purple {
    background: linear-gradient(to right, #F3E5F5, #E1BEE7);
}

body.theme-purple .toggle {
    background: linear-gradient(to right, #9C27B0, #7B1FA2);
}

body.theme-purple .container button {
    background-color: #7B1FA2;
}

body.theme-gold {
    background: linear-gradient(to right, #FFF8E1, #FFECB3);
}

body.theme-gold .toggle {
    background: linear-gradient(to right, #FFD700, #FFA500);
}

body.theme-gold .container button {
    background-color: #FFA500;
}

@media (max-width: 768px) {
    .color-options {
        gap: 8px;
    }
    
    .color-option {
        width: 70px;
        height: 40px;
    }
    
    .color-option span {
        font-size: 9px;
    }
    
    .theme-selector {
        margin-top: 20px;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .color-options {
        gap: 6px;
    }
    
    .color-option {
        width: 60px;
        height: 35px;
    }
    
    .color-option span {
        font-size: 8px;
    }
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: transparent;
    padding: 15px 0;
    z-index: 1000;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-text {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.footer-text i {
    color: #512da8;
    font-size: 16px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

body.theme-ocean .footer-text i {
    color: #1976D2;
}

body.theme-sunset .footer-text i {
    color: #FF8E53;
}

body.theme-forest .footer-text i {
    color: #2E7D32;
}

body.theme-purple .footer-text i {
    color: #7B1FA2;
}

body.theme-gold .footer-text i {
    color: #FFA500;
}

@media (max-width: 768px) {
    .footer {
        padding: 12px 0;
    }
    
    .footer-text {
        font-size: 13px;
    }
    
    .footer-text i {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .footer-text {
        font-size: 12px;
    }
    
    .footer-text i {
        font-size: 14px;
    }
}