/* Animation connexion — logo coupé en deux qui se rejoint (WHITE AND CLEAN) */
:root {
    --login-splash-logo-black: #1a1919;
}

.login-splash {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.login-splash.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.login-splash-logo {
    position: relative;
    width: min(72vw, 280px);
    height: min(72vw, 280px);
    border-radius: 50%;
    background: var(--login-splash-logo-black);
    border: 3px solid rgba(212, 175, 55, 0.5);
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.2);
    display: flex;
    gap: 0;
    overflow: hidden;
    transform: scale(0.92);
    transition: transform 0.9s ease, box-shadow 0.9s ease, opacity 0.75s ease;
}

.login-splash.is-joining .login-splash-logo {
    transform: scale(1);
    box-shadow: 0 0 60px rgba(212, 175, 55, 0.45);
}

.login-splash.is-complete .login-splash-logo {
    transform: scale(1.15);
    opacity: 0;
}

.login-splash-half {
    flex: 0 0 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background: var(--login-splash-logo-black);
    transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.login-splash-half + .login-splash-half {
    margin-left: -1px;
}

.login-splash-half img {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 88%;
    width: 200%;
    max-width: none;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
    background-color: var(--login-splash-logo-black);
    image-rendering: auto;
}

.login-splash-half-left {
    transform: translateX(-55%);
}

.login-splash-half-left img {
    left: 0;
}

.login-splash-half-right {
    transform: translateX(55%);
}

.login-splash-half-right img {
    right: 0;
}

.login-splash.is-joining .login-splash-half-left,
.login-splash.is-joining .login-splash-half-right {
    transform: translateX(0);
}

.login-splash-flash {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.22) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.65s ease;
    pointer-events: none;
}

.login-splash.is-complete .login-splash-flash {
    opacity: 1;
}