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

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ─── BODY ─── */
body{
    font-family: 'Montserrat', sans-serif;
    background: radial-gradient(circle at top, #667eea, #764ba2, #0f0c29);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
}

/* ─── CONTAINER ─── */
.container{
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 520px;

    transform-style: preserve-3d;
    transition: transform 0.15s ease, box-shadow 0.3s ease;
}

/* Glow border */
.container::after{
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 25px;
    padding: 1px;
    background: linear-gradient(45deg, #ff416c, #6a11cb, #2575fc);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
}

/* Shine effect */
.container::before{
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at var(--x) var(--y), rgba(255,255,255,0.3), transparent 40%);
    pointer-events: none;
}

/* ─── TEXT ─── */
.container h1{
    font-family: 'Saira Stencil', sans-serif;
    letter-spacing: 1px;
}

.container p,
.container span,
.container a{
    color: rgba(255,255,255,0.9);
}

/* ─── BUTTON ─── */
.container button{
    background: linear-gradient(45deg, #ff416c, #ff4b2b);
    color: #fff;
    font-size: 12px;
    padding: 12px 45px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.container button:hover{
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(255,75,43,0.7);
}

/* ─── FORM ─── */
.container form{
    display: flex;
    flex-direction: column;
    padding: 0 40px;
    justify-content: center;
    height: 100%;
}

/* INPUT */
.container input{
    background: rgba(255,255,255,0.15);
    border: 1px solid transparent;
    margin: 8px 0;
    padding: 12px 15px;
    border-radius: 10px;
    color: #fff;
    transition: 0.3s;
}

.container input::placeholder{
    color: rgba(255,255,255,0.6);
}

.container input:focus{
    border: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

/* ─── FORM POSITION ─── */
.form-container{
    position: absolute;
    top: 0;
	left: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in{
    left: 0;
    width: 50%;
    z-index: 2;
	transition: all 0.6s ease-in-out;
}

.container.active .sign-in{
    transform: translateX(100%);
	opacity: 0;
	pointer-events: none;
}

.sign-up{
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
	transition: all 0.6s ease-in-out;
}

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

/* ─── SOCIAL ─── */
.social-icons{
    margin: 20px 0;
}

.social-icons a{
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 6px;
    transition: 0.3s;
}

.social-icons a:hover{
    transform: translateY(-6px) scale(1.15);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

/* ─── TOGGLE ─── */
.toggle-container{
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    border-radius: 120px 0 0 80px;
    transition: 0.6s;
	z-index: 1;
}

.container.active .toggle-container{
    transform: translateX(-100%);
    border-radius: 0 120px 80px 0;
}

.toggle{
    background: linear-gradient(270deg, #ff416c, #ff4b2b, #6a11cb, #2575fc);
    background-size: 400% 400%;
    animation: gradientMove 10s ease infinite;
    color: #fff;
    position: relative;
    left: -100%;
    width: 200%;
    height: 100%;
}

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

@keyframes gradientMove{
    0%{background-position: 0% 50%;}
    50%{background-position: 100% 50%;}
    100%{background-position: 0% 50%;}
}

/* ─── PANELS ─── */
.toggle-panel{
    position: absolute;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

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

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

.toggle-right{
    right: 0;
}

.container.active .toggle-right{
    transform: translateX(200%);
}
.tilt{
    perspective: 1000px;
}