html,
body {
    height: 100%;
    margin: 0;
}

body.index-landing {
    min-height: 100vh;
    background: #eef1f5 var(--index-bg, none) center / cover no-repeat fixed;
}

.index-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.index-card {
    width: 100%;
    max-width: 28rem;
    padding: 2rem 1.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 1.25rem;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
}

.index-logo-ring {
    width: 104px;
    height: 104px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    padding: 8px;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.85);
    border: none;
    outline: none;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.1);
    cursor: pointer;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.index-logo-ring:hover {
    opacity: 0.94;
}

.index-logo {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    border: none;
    outline: none;
    display: block;
    padding: 0;
    margin: 0;
    background: none;
    pointer-events: none;
    -webkit-user-drag: none;
}