:root {
    --bg: #f5f6fa;
    --surface: #ffffff;
    --line: rgba(17, 18, 22, 0.1);
    --text: #111216;
    --soft: rgba(17, 18, 22, 0.56);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.preview-app-body {
    background: linear-gradient(180deg, #f7f8fb 0%, #eef1f7 100%);
    color: var(--text);
    font-family: 'Manrope', sans-serif;
}
.preview-app-shell {
    width: 100%;
    min-height: 100vh;
    padding: 18px;
}
.preview-topbar,
.preview-kpi-card,
.preview-collection-card,
.preview-workspace,
.preview-item-card,
.preview-search input,
.preview-button {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
}
.preview-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border-radius: 24px;
}
.preview-wordmark {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.06em;
}
.preview-loading,
.preview-kpi-card span,
.preview-section-line,
.preview-item-foot span,
.preview-workspace-head span {
    color: var(--soft);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.preview-kpis {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}
.preview-kpi-card {
    padding: 18px;
    border-radius: 22px;
}
.preview-kpi-card strong {
    display: block;
    margin-top: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    letter-spacing: -0.05em;
}
.preview-collections {
    margin-top: 18px;
}
.preview-section-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.preview-collection-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}
.preview-collection-card {
    padding: 14px;
    border-radius: 20px;
    text-align: left;
    transition: transform 160ms ease, border-color 160ms ease;
}
.preview-collection-card.is-active {
    border-color: #111216;
    transform: translateY(-2px);
}
.preview-collection-card strong,
.preview-workspace-head h1,
.preview-item-card h2,
.preview-item-foot strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.05em;
}
.preview-collection-card strong {
    font-size: 1rem;
    margin-bottom: 8px;
}
.preview-workspace {
    margin-top: 18px;
    padding: 18px;
    border-radius: 28px;
}
.preview-workspace-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}
.preview-workspace-head h1 {
    margin: 10px 0 0;
    font-size: 2.15rem;
}
.preview-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.preview-button {
    min-height: 42px;
    padding: 0 16px;
    border-radius: 14px;
    font: inherit;
    font-weight: 800;
}
.preview-button-primary { background: #111216; color: #ffffff; }
.preview-button-secondary { background: #ffffff; color: #111216; }
.preview-search {
    display: block;
    margin-top: 16px;
}
.preview-search input {
    width: 100%;
    min-height: 46px;
    padding: 0 16px;
    border-radius: 999px;
    font: inherit;
}
.preview-item-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}
.preview-item-card {
    overflow: hidden;
    border-radius: 22px;
    transition: transform 180ms ease;
}
.preview-item-card:hover {
    transform: translateY(-3px);
}
.preview-item-visual {
    aspect-ratio: 3 / 4;
    background-size: cover;
    background-position: center;
}
.preview-item-visual-vinyl { background: linear-gradient(160deg, #111216 0%, #4d5264 100%); }
.preview-item-visual-manga { background: linear-gradient(160deg, #eceff7 0%, #c6d4ff 100%); }
.preview-item-visual-card { background: linear-gradient(160deg, #ff7a18 0%, #ffd45c 100%); }
.preview-item-visual-console { background: linear-gradient(160deg, #d9ff8b 0%, #7bc67b 100%); }
.preview-item-visual-record { background: linear-gradient(160deg, #0D40FF 0%, #7ba0ff 100%); }
.preview-item-body {
    padding: 12px;
}
.preview-item-card h2 {
    margin: 0 0 10px;
    font-size: 1.2rem;
    line-height: 1.05;
}
.preview-item-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.preview-item-foot strong {
    font-size: 0.92rem;
}
@media (max-width: 1180px) {
    .preview-kpis,
    .preview-collection-strip,
    .preview-item-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
/* Mobile landing preview overrides */
@media (max-width: 980px) {
    .preview-app-shell {
        padding: 14px;
    }

    .preview-topbar,
    .preview-workspace-head {
        flex-direction: column;
        align-items: stretch;
    }

    .preview-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .preview-button {
        flex: 1 1 220px;
    }
}

@media (max-width: 640px) {
    .preview-app-shell {
        padding: 12px;
    }

    .preview-topbar {
        padding: 14px;
        border-radius: 20px;
    }

    .preview-wordmark {
        font-size: 1.55rem;
    }

    .preview-loading {
        line-height: 1.4;
    }

    .preview-kpis,
    .preview-collection-strip,
    .preview-item-grid {
        grid-template-columns: 1fr;
    }

    .preview-workspace {
        padding: 14px;
        border-radius: 22px;
    }

    .preview-workspace-head h1 {
        font-size: 1.8rem;
    }

    .preview-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .preview-button {
        width: 100%;
    }

    .preview-section-line {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .preview-collection-card {
        min-height: 80px;
    }
}