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

body {
    height: 100vh;
    background: #080010;
    overflow: hidden;
    color: #fff
}

.container {
    display: flex;
    height: 100vh;
    width: 100%
}

/* LEFT */
.left-side {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1e0034, #0c0020);
    display: grid;
    place-items: center;
}

#aurora {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%
}

.brand-center {
    position: relative;
    z-index: 2;
    text-align: center;
    width: min(560px, 90%);
    display: grid;
    gap: 18px;
    justify-items: center
}

.brand-logo {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 700;
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 28px rgba(255, 0, 76, .45)
}

/* Avatars */
.avatar-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
    padding: 6px 8px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 16px;
    backdrop-filter: blur(14px)
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    position: relative;
    display: grid;
    place-items: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
    color: #fff;
    font-weight: 700;
    font-size: .8rem;
    user-select: none
}

.avatar::after {
    content: '';
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #00ffa2;
    border: 2px solid #0c0020;
    box-shadow: 0 0 10px #00ffa2
}

/* Slider */
.brand-slider {
    width: 100%;
    height: 160px;
    position: relative
}

.slide {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 30px rgba(255, 0, 76, .2), 0 0 40px rgba(0, 200, 255, .2);
    opacity: 0;
    transform: translateY(10px) scale(.98);
    transition: all .6s ease
}

.slide.active {
    opacity: 1;
    transform: translateY(0) scale(1)
}

.slide h3 {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center
}

.slide p {
    margin-top: 6px;
    color: #d7d7d7;
    font-size: .95rem;
    text-align: center
}

.dots {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .35);
    border: none;
    cursor: pointer;
    transition: transform .2s, background .2s
}

.dot.active {
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    transform: scale(1.25)
}

/* Download Section */
.download-section {
    display: grid;
    gap: 12px;
    margin-top: 18px;
    text-align: center;
    animation: fadeIn 1s ease-in
}

.download-section p {
    font-size: .95rem;
    color: #d7d7d7
}

.download-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .1);
    border-radius: 14px;
    padding: 10px 16px;
    color: #fff;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, .2);
    transition: all .3s;
    backdrop-filter: blur(10px)
}

.store-btn img {
    width: 30px;
    height: 30px
}

.store-btn div {
    display: flex;
    flex-direction: column;
    line-height: 1
}

.store-btn small {
    font-size: .7rem;
    color: #ccc
}

.store-btn strong {
    font-size: 1rem
}

.store-btn.apple:hover {
    box-shadow: 0 0 15px rgba(255, 255, 255, .4);
    transform: translateY(-2px)
}

.store-btn.google img {
    width: 150px;
    height: auto;
    border-radius: 10px
}

.store-btn.google:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(0, 200, 255, .4)
}

/* RIGHT */
.right-side {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at top left, #180028, #0b0015);
    position: relative;
    overflow: hidden
}

.auth-card {
    background: rgba(255, 255, 255, .05);
    padding: 3rem 2.5rem;
    border-radius: 25px;
    backdrop-filter: blur(25px);
    box-shadow: inset 0 0 20px rgba(255, 0, 80, .18), 0 0 50px rgba(0, 200, 255, .22);
    width: 90%;
    max-width: 400px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, .08);
    animation: fadeIn .8s ease
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.auth-card h2 {
    font-size: 1.8rem;
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent
}

.subtitle {
    font-size: .9rem;
    color: #aaa;
    margin-bottom: 2rem
}

.form {
    display: none;
    flex-direction: column;
    gap: 1rem
}

.form.active {
    display: flex;
    animation: fadeIn .45s ease
}

input {
    padding: .9rem;
    border-radius: 12px;
    border: none;
    background: rgba(255, 255, 255, .1);
    color: #fff;
    font-size: .95rem;
    outline: none;
    transition: .3s
}

input:focus {
    background: rgba(255, 255, 255, .2);
    box-shadow: 0 0 15px rgba(0, 200, 255, .35)
}

.btn-primary {
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    border: none;
    border-radius: 12px;
    padding: .9rem;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: .3s
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px #ff004c, 0 0 25px #00c6ff
}

.divider {
    margin: 1.5rem 0;
    color: #bbb;
    font-size: .85rem;
    position: relative
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    width: 35%;
    height: 1px;
    top: 50%;
    background: rgba(255, 255, 255, .2)
}

.divider::before {
    left: 0
}

.divider::after {
    right: 0
}

.google-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #fff;
    color: #111;
    border: none;
    border-radius: 12px;
    padding: .9rem;
    width: 100%;
    font-weight: 600;
    cursor: pointer;
    transition: .3s
}

.google-login img {
    width: 22px
}

.google-login:hover {
    transform: scale(1.05)
}

.switch {
    margin-top: 1rem;
    color: #aaa;
    font-size: .9rem
}

.switch a {
    color: #00c6ff;
    text-decoration: none;
    font-weight: 600
}

.switch a:hover {
    text-decoration: underline
}

/* Footer + Language switch */
.site-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    padding: .6rem 1rem;
    background: linear-gradient(180deg, rgba(8, 0, 16, 0), rgba(8, 0, 16, .85));
    border-top: 1px solid rgba(255, 255, 255, .1);
    backdrop-filter: blur(10px);
    flex-wrap: wrap
}

.site-footer nav {
    display: flex;
    gap: 10px;
    align-items: center;
    color: #cfcfe0;
    font-size: .85rem
}

.site-footer a {
    color: #cfe7ff;
    text-decoration: none
}

.site-footer a:hover {
    text-decoration: underline
}

.lang-switch {
    position: relative
}

.lang-btn {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .2);
    padding: .4rem .7rem;
    border-radius: 10px;
    cursor: pointer
}

.lang-menu {
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    list-style: none;
    background: rgba(20, 20, 35, .95);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    overflow: hidden;
    display: none;
    min-width: 180px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
    z-index: 10
}

.lang-menu.show {
    display: block;
    animation: fadeIn .2s ease
}

.lang-menu li {
    padding: .6rem .9rem;
    cursor: pointer;
    color: #e8e8f0
}

.lang-menu li:hover {
    background: rgba(255, 255, 255, .08)
}

.site-footer small {
    color: #9aa3ad;
    margin-left: 8px
}

/* Responsive */
@media (max-width:900px) {
    .container {
        flex-direction: column
    }

    .left-side {
        display: none
    }

    .right-side {
        width: 100%;
        height: 100vh;
        background: linear-gradient(145deg, #1e0034, #0c0020)
    }

    .auth-card {
        width: 90%;
        padding: 2.5rem 1.8rem
    }

    .site-footer {
        position: static;
        margin-top: -10px
    }
}

/* Mobil alt menyu */
.mobile-lang-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 0, 20, 0.9);
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    padding: 0.6rem 0;
    z-index: 999;
}

.mobile-lang-btn {
    background: linear-gradient(90deg, #ff004c, #00c6ff);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: .6rem 1.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform .3s ease, box-shadow .3s ease;
}

.mobile-lang-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 0, 76, .6), 0 0 20px rgba(0, 200, 255, .4);
}

.mobile-lang-menu {
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 20, 35, .95);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    list-style: none;
    overflow: hidden;
    min-width: 180px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: none;
}

.mobile-lang-menu.show {
    display: block;
    animation: fadeIn .25s ease;
}

.mobile-lang-menu li {
    padding: .6rem .9rem;
    color: #e8e8f0;
    cursor: pointer;
}

.mobile-lang-menu li:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Yalnız mobil */
@media (max-width:900px) {
    .mobile-lang-bar {
        display: block;
    }

    .site-footer {
        display: none;
    }

    /* alt footer gizlədilir */
}