.login-page--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
    justify-items: stretch;
    padding: 0;
    min-height: 100svh;
}

.login-video-panel {
    grid-area: 1 / 2;
    position: relative;
    display: grid;
    place-items: center;
    padding: 48px clamp(28px, 4vw, 64px);
    min-width: 0;
    overflow: hidden;
    background: #17101c;
}

.login-background-video {
    position: absolute;
    inset: -12px;
    width: calc(100% + 24px);
    height: calc(100% + 24px);
    object-fit: cover;
    object-position: 60% center;
    filter: blur(4px);
    pointer-events: none;
}

.login-video-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, rgba(9, 10, 16, 0.4), transparent 75%),
        linear-gradient(90deg, rgba(9, 10, 16, 0.42), rgba(9, 10, 16, 0.3) 35%, rgba(9, 10, 16, 0.36));
}

.login-about {
    position: relative;
    z-index: 1;
    width: min(100%, 420px);
    text-align: center;
}

.login-about-logo {
    position: relative;
    display: block;
    width: min(100%, 360px);
    aspect-ratio: 3.45;
    margin: 0 auto 28px;
    overflow: hidden;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
}

/* Frame the artwork inside the existing logo's transparent square canvas. */
.login-about-logo img {
    position: absolute;
    width: 135%;
    height: auto;
    max-width: none;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -48%);
}

.login-about-logo:focus-visible {
    outline: 2px solid #ff9292;
    outline-offset: 6px;
    border-radius: 8px;
}

.login-about p {
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(14px, 1.2vw, 17px);
    line-height: 1.85;
    text-wrap: pretty;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.login-showcase {
    grid-area: 1 / 1;
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    overflow: hidden;
    isolation: isolate;
    background: #090a10;
}

.login-showcase::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(9, 10, 16, 0.25) 0%, rgba(9, 10, 16, 0.08) 38%, rgba(9, 10, 16, 0.55) 68%, #090a10 100%),
        linear-gradient(90deg, rgba(9, 10, 16, 0.12), rgba(9, 10, 16, 0.1) 65%, rgba(9, 10, 16, 0.65));
}

.login-collage {
    position: absolute;
    inset: -30% -65%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    transform: rotate(-14deg);
    pointer-events: none;
    opacity: 0.78;
}

.login-collage-row {
    display: flex;
    width: max-content;
    animation: loginPosterDrift var(--drift-duration, 100s) linear infinite;
    will-change: transform;
}

.login-collage-row:nth-child(even) {
    animation-direction: reverse;
}

.login-collage-group {
    display: flex;
    gap: 12px;
    padding-right: 12px;
    flex-shrink: 0;
}

.login-collage img {
    display: block;
    height: clamp(160px, 24vh, 280px);
    width: auto;
    aspect-ratio: 0.7;
    object-fit: cover;
    border-radius: 7px;
    background: #191b24;
    flex-shrink: 0;
}

.login-collage img.is-banner {
    aspect-ratio: 1.65;
}

.login-motion-toggle {
    position: absolute;
    z-index: 2;
    right: 24px;
    bottom: 36px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)), rgba(14, 15, 23, 0.8);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    cursor: pointer;
    font: inherit;
    -webkit-tap-highlight-color: transparent;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease, color 180ms ease;
}

.login-motion-icon {
    grid-area: 1 / 1;
    width: 20px;
    height: 20px;
    fill: currentColor;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
}

.login-motion-icon--play {
    opacity: 0;
    transform: scale(0.7);
}

.login-motion-toggle[aria-pressed="true"] {
    color: #ffb4b4;
    border-color: rgba(255, 133, 133, 0.45);
}

.login-motion-toggle[aria-pressed="true"] .login-motion-icon--pause {
    opacity: 0;
    transform: scale(0.7);
}

.login-motion-toggle[aria-pressed="true"] .login-motion-icon--play {
    opacity: 1;
    transform: scale(1);
}

.login-motion-toggle::after {
    content: attr(aria-label);
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(14, 15, 23, 0.96);
    color: #f7f8fb;
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.login-motion-toggle:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
}

@media (hover: hover) {
    .login-motion-toggle:hover {
        border-color: rgba(255, 255, 255, 0.5);
        box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35), 0 0 14px rgba(255, 120, 120, 0.1);
        transform: translateY(-2px);
    }

    .login-motion-toggle:hover::after {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-motion-toggle:active {
    transform: scale(0.94);
}

.login-motion-toggle:focus-visible {
    outline: 2px solid #ff9292;
    outline-offset: 5px;
}

.login-showcase.is-paused .login-collage-row {
    animation-play-state: paused;
}

.login-form-panel {
    grid-area: 1 / 1;
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    min-width: 0;
    padding: 72px 28px;
    pointer-events: none;
}

.login-form-panel > .login-box {
    pointer-events: auto;
}

@keyframes loginPosterDrift {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@media (max-width: 768px) {
    .login-video-panel { display: none; }
    .login-page--split { grid-template-columns: minmax(0, 1fr); }
    .login-collage img { height: 160px; }
    .login-form-panel { padding: 80px 20px; }
    .login-motion-toggle { bottom: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    .login-page--split,
    .login-page--split .login-box,
    .login-page--split .signup-note,
    .login-page--split .login-email-verification,
    .login-collage-row { animation: none; }
    .login-motion-toggle { display: none; }
}