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

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    background: url('images/bg.jpg');
    background-size: cover;
    background-position: center;
    transition: background 0.5s;
}

body.light {
    background: #f0f0f0;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    z-index: 100;
    transition: color 0.3s;
}

body.light .theme-toggle {
    color: #333;
}

.wrapper {
    width: 400px;
    background: rgba(0, 0, 0, 0.35);
    color: #f0f0f0;
    border-radius: 25px;
    padding: 40px 35px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(50px);
    animation: reveal 0.8s forwards, bounce 0.8s ease;
}

body.light .wrapper {
    background: rgba(255, 255, 255, 0.2);
    color: #333;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

@keyframes reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0% {
        transform: translateY(50px);
    }

    60% {
        transform: translateY(-10px);
    }

    80% {
        transform: translateY(5px);
    }

    100% {
        transform: translateY(0);
    }
}

.wrapper h1 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.wrapper .input-box {
    position: relative;
    width: 100%;
    height: 50px;
    margin: 25px 0;
}

.input-box input {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50px;
    padding: 0 45px 0 20px;
    font-size: 16px;
    color: #f0f0f0;
    outline: none;
    transition: all 0.3s ease;
}

body.light .input-box input {
    background: rgba(255, 255, 255, 0.4);
    color: #333;
}

.input-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

body.light .input-box input::placeholder {
    color: rgba(0, 0, 0, 0.5);
}

.input-box i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: #f0f0f0;
    transition: 0.3s;
}

body.light .input-box i {
    color: #333;
}

.input-box input:focus {
    border-radius: 50px;
    box-shadow: 0 0 12px rgba(255, 105, 180, 0.5);
}

.input-box input:focus {
    position: relative;
}

.input-box input:focus::after {
    position: absolute;
    content: '';
    inset: 0;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(90deg, #ff6a00, #ee0979, #ff6a00, #ee0979);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: borderAnim 2s linear infinite;
}

@keyframes borderAnim {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.wrapper .remember-forgot {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 25px;
}

.remember-forgot label input {
    accent-color: #fff;
    margin-right: 5px;
}

body.light .remember-forgot label input {
    accent-color: #333;
}

.remember-forgot a {
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}

.remember-forgot a:hover {
    text-decoration: underline;
    color: #ffd700;
}

body.light .remember-forgot a {
    color: #333;
}

body.light .remember-forgot a:hover {
    color: #555;
}

.wrapper .btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(270deg, #ff6a00, #ee0979, #ff6a00);
    background-size: 600% 100%;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s;
    animation: gradientBG 3s ease infinite;
}

.wrapper .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.wrapper .btn:active {
    transform: scale(0.95);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.wrapper .signUp-link {
    font-size: 14px;
    text-align: center;
    margin-top: 20px;
}

.signUp-link p a {
    color: #ffd700;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.signUp-link p a:hover {
    text-decoration: underline;
    color: #fff;
}

body.light .signUp-link p a {
    color: #333;
}

body.light .signUp-link p a:hover {
    color: #555;
}

@media (max-width: 450px) {
    .wrapper {
        width: 90%;
        padding: 35px 25px;
    }

    .wrapper h1 {
        font-size: 30px;
    }

    .input-box input {
        font-size: 14px;
    }

    .input-box i {
        font-size: 18px;
    }
}