:root {
    --sheetgenie-topbar-offset: 82px;
    --sgv2-bg: #f7fbff;
    --sgv2-surface: #ffffff;
    --sgv2-surface-strong: #eff7ff;
    --sgv2-ink: #10233f;
    --sgv2-muted: #5e718c;
    --sgv2-line: rgba(72, 102, 136, 0.18);
    --sgv2-accent: #2587e8;
    --sgv2-accent-2: #ee6a5f;
    --sgv2-accent-3: #1fa98d;
    --sgv2-shadow: 0 22px 48px rgba(45, 76, 112, 0.16);
    --sgv2-topbar-bg: rgba(255, 255, 255, 0.86);
    --sgv2-topbar-text: var(--sgv2-ink);
    --sgv2-topbar-muted: var(--sgv2-muted);
    --sgv2-topbar-border: var(--sgv2-line);
    --ios-safe-top: env(safe-area-inset-top, 0px);
}

.sgv2-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    background: var(--sgv2-topbar-bg);
    border-bottom: 1px solid var(--sgv2-topbar-border);
    box-shadow: 0 12px 32px rgba(45, 76, 112, 0.11);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    color: var(--sgv2-topbar-text);
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    -webkit-font-smoothing: auto;
    text-rendering: auto;
}

.sgv2-topbar * {
    box-sizing: border-box;
}

.sgv2-topbar-inner {
    width: min(1360px, calc(100vw - 20px));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sgv2-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: 188px;
    color: var(--sgv2-topbar-text);
    text-decoration: none;
}

.sgv2-brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--sgv2-accent) 92%, white), color-mix(in srgb, var(--sgv2-accent-3) 74%, white));
    box-shadow: 0 14px 26px color-mix(in srgb, var(--sgv2-accent) 24%, transparent);
    overflow: hidden;
}

.sgv2-brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sgv2-brand-copy {
    display: grid;
    gap: 2px;
}

.sgv2-brand-name {
    font-size: 1.12rem;
    line-height: 1;
    font-weight: 850;
}

.sgv2-brand-tagline {
    color: var(--sgv2-topbar-muted);
    font-size: 0.74rem;
    line-height: 1.2;
    font-weight: 650;
}

.sgv2-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 0.8vw, 14px);
    flex: 1 1 auto;
}

.sgv2-nav a {
    min-height: 76px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--sgv2-topbar-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 750;
    position: relative;
    white-space: nowrap;
}

.sgv2-nav svg,
.sgv2-icon-btn svg,
.sgv2-plan-badge svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sgv2-nav a:hover,
.sgv2-nav a[aria-current="page"] {
    color: var(--sgv2-ink);
}

.sgv2-nav a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: calc(100% + 18px);
    height: 3px;
    border-radius: 99px 99px 0 0;
    background: linear-gradient(90deg, var(--sgv2-accent), var(--sgv2-accent-3));
    transform: translateX(-50%);
}

.sgv2-topbar-actions {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
}

.sgv2-theme-gallery-wrap {
    position: relative;
}

.sgv2-theme-trigger {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    border: 1px solid var(--sgv2-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    color: var(--sgv2-ink);
    font: inherit;
    cursor: pointer;
}

.sgv2-theme-trigger-swatch {
    display: inline-flex;
    align-items: center;
    padding-left: 5px;
}

.sgv2-theme-trigger-swatch span {
    width: 17px;
    height: 17px;
    margin-left: -5px;
    border: 2px solid rgba(255, 255, 255, 0.94);
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(16, 35, 63, 0.12);
}

.sgv2-theme-trigger-swatch span:nth-child(1) {
    background: var(--sgv2-accent);
}

.sgv2-theme-trigger-swatch span:nth-child(2) {
    background: var(--sgv2-accent-2);
}

.sgv2-theme-trigger-swatch span:nth-child(3) {
    background: var(--sgv2-accent-3);
}

.sgv2-theme-trigger-copy {
    font-size: 0.82rem;
    font-weight: 850;
}

.sgv2-theme-trigger-name {
    max-width: 72px;
    overflow: hidden;
    color: var(--sgv2-muted);
    font-size: 0.76rem;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sgv2-theme-gallery {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: 5;
    width: min(360px, calc(100vw - 24px));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    border: 1px solid var(--sgv2-line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--sgv2-shadow);
}

.sgv2-theme-gallery[hidden] {
    display: none;
}

.sgv2-theme-card {
    min-height: 94px;
    display: grid;
    gap: 8px;
    padding: 9px;
    border: 1px solid color-mix(in srgb, var(--theme-a) 18%, var(--sgv2-line));
    border-radius: 14px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--theme-a) 10%, #ffffff), #ffffff 72%);
    color: var(--sgv2-ink);
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.sgv2-theme-card:hover,
.sgv2-theme-card.is-active {
    border-color: color-mix(in srgb, var(--theme-a) 62%, var(--sgv2-line));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--theme-a) 34%, transparent), 0 12px 24px color-mix(in srgb, var(--theme-a) 14%, transparent);
}

.sgv2-theme-card.is-active .sgv2-theme-card-name::after {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--theme-a);
}

.sgv2-theme-preview {
    position: relative;
    min-height: 46px;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--theme-a) 18%, rgba(255, 255, 255, 0.8));
    border-radius: 10px;
    background:
        radial-gradient(circle at 24% 24%, color-mix(in srgb, var(--theme-a) 82%, #ffffff), transparent 34%),
        radial-gradient(circle at 86% 74%, color-mix(in srgb, var(--theme-b) 66%, #ffffff), transparent 32%),
        linear-gradient(135deg, color-mix(in srgb, var(--theme-a) 46%, var(--theme-bg)), color-mix(in srgb, var(--theme-c) 38%, #ffffff));
}

.sgv2-theme-preview span {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 8px;
    height: 11px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--theme-a), var(--theme-b));
    box-shadow: 0 6px 12px color-mix(in srgb, var(--theme-a) 22%, transparent);
}

.sgv2-theme-card-name {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: var(--sgv2-ink);
    font-size: 0.82rem;
    font-weight: 850;
    line-height: 1.15;
}

.sgv2-theme-card-custom {
    position: relative;
    cursor: default;
}

.sgv2-theme-card-custom .sgv2-theme-card-name {
    padding-right: 34px;
}

.sgv2-theme-custom {
    position: absolute;
    right: 9px;
    bottom: 8px;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 2px solid #ffffff;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--theme-a) 32%, var(--sgv2-line));
    cursor: pointer;
}

.sgv2-theme-custom::-webkit-color-swatch-wrapper {
    padding: 0;
}

.sgv2-theme-custom::-webkit-color-swatch {
    border: 0;
    border-radius: 50%;
}

.sgv2-theme-custom::-moz-color-swatch {
    border: 0;
    border-radius: 50%;
}

.sgv2-lang-switch {
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--sgv2-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
}

.sgv2-lang-btn {
    min-width: 42px;
    min-height: 32px;
    padding: 0 9px;
    border: 0;
    border-radius: 999px;
    color: var(--sgv2-muted);
    background: transparent;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 850;
    cursor: pointer;
}

.sgv2-lang-btn.is-active {
    background: var(--sgv2-ink);
    color: #ffffff;
}

.sgv2-plan-badge,
.sgv2-topbar-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 11px;
    border: 1px solid var(--sgv2-line);
    border-radius: 13px;
    color: var(--sgv2-ink);
    background: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 800;
    white-space: nowrap;
}

@media (max-width: 1280px) and (min-width: 901px) {
    .sgv2-brand-tagline {
        display: none;
    }

    .sgv2-brand {
        min-width: 154px;
    }

    .sgv2-brand-mark {
        width: 42px;
        height: 42px;
    }

    .sgv2-topbar-btn,
    .sgv2-plan-badge {
        font-size: 0.84rem;
    }
}

.sgv2-topbar-btn-primary {
    border-color: transparent;
    color: #ffffff;
    background: linear-gradient(135deg, var(--sgv2-accent), color-mix(in srgb, var(--sgv2-accent) 70%, var(--sgv2-accent-3)));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--sgv2-accent) 24%, transparent);
}

.sgv2-account-wrap {
    position: relative;
}

.sgv2-account-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 3px 11px 3px 4px;
    border: 1px solid var(--sgv2-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--sgv2-ink);
    font: inherit;
    cursor: pointer;
}

.sgv2-avatar,
.sgv2-menu-avatar,
.sgv2-mobile-avatar {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--sgv2-ink);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 900;
}

.sgv2-account-copy {
    display: grid;
    min-width: 0;
    text-align: left;
}

.sgv2-account-name {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.82rem;
    font-weight: 850;
    line-height: 1;
}

.sgv2-account-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: min(322px, calc(100vw - 24px));
    padding: 8px;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--sgv2-accent) 18%, rgba(12, 27, 46, 0.12));
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), color-mix(in srgb, var(--sgv2-bg) 52%, #ffffff)),
        rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 54px rgba(9, 20, 36, 0.2), 0 8px 20px color-mix(in srgb, var(--sgv2-accent) 12%, transparent);
    backdrop-filter: blur(18px);
    z-index: 120;
}

.sgv2-account-menu::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--sgv2-accent), var(--sgv2-accent-2), var(--sgv2-accent-3));
}

.sgv2-account-menu[hidden] {
    display: none;
}

.sgv2-menu-summary {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 12px 12px;
    border: 1px solid color-mix(in srgb, var(--sgv2-accent) 14%, transparent);
    border-radius: 13px;
    background:
        radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--sgv2-accent) 18%, transparent), transparent 46%),
        linear-gradient(135deg, color-mix(in srgb, var(--sgv2-bg) 82%, #ffffff), rgba(255, 255, 255, 0.92));
}

.sgv2-menu-avatar {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--sgv2-accent), color-mix(in srgb, var(--sgv2-accent-3) 82%, var(--sgv2-accent)));
    box-shadow: 0 10px 18px color-mix(in srgb, var(--sgv2-accent) 28%, transparent);
}

.sgv2-menu-summary-copy {
    min-width: 0;
}

.sgv2-menu-summary strong,
.sgv2-mobile-account strong {
    display: block;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--sgv2-ink);
    font-size: 0.94rem;
    line-height: 1.15;
}

.sgv2-menu-email,
.sgv2-mobile-account span {
    display: block;
    max-width: 220px;
    margin-top: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--sgv2-muted);
    font-size: 0.78rem;
}

.sgv2-menu-list {
    display: grid;
    gap: 4px;
    padding-top: 8px;
}

.sgv2-menu-item,
.sgv2-mobile-menu a,
.sgv2-mobile-logout {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    margin-top: 0;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--sgv2-ink);
    text-align: left;
    text-decoration: none;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 760;
    cursor: pointer;
}

.sgv2-menu-item svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sgv2-menu-item-icon {
    width: 31px;
    height: 31px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 10px;
    color: color-mix(in srgb, var(--sgv2-accent) 86%, var(--sgv2-ink));
    background: color-mix(in srgb, var(--sgv2-accent) 10%, transparent);
}

.sgv2-menu-item-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sgv2-menu-item-arrow {
    width: 18px;
    height: 18px;
    display: inline-flex;
    margin-left: auto;
    color: var(--sgv2-muted);
    opacity: 0.5;
    transform: translateX(-2px);
    transition: transform 160ms ease, opacity 160ms ease;
}

.sgv2-menu-separator {
    height: 1px;
    margin: 5px 4px;
    background: color-mix(in srgb, var(--sgv2-line) 76%, transparent);
}

.sgv2-mobile-menu svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sgv2-menu-item:hover,
.sgv2-mobile-menu a:hover,
.sgv2-mobile-logout:hover {
    border-color: color-mix(in srgb, var(--sgv2-accent) 16%, var(--sgv2-line));
    background: color-mix(in srgb, var(--sgv2-accent) 8%, #ffffff);
}

.sgv2-menu-item:hover .sgv2-menu-item-arrow {
    opacity: 0.86;
    transform: translateX(0);
}

.sgv2-menu-item-danger,
.sgv2-mobile-logout {
    color: #9f2533;
}

.sgv2-menu-item-danger .sgv2-menu-item-icon {
    color: #9f2533;
    background: rgba(159, 37, 51, 0.08);
}

.sgv2-menu-item-admin {
    color: color-mix(in srgb, var(--sgv2-accent) 82%, var(--sgv2-ink));
    background: color-mix(in srgb, var(--sgv2-accent) 7%, #ffffff);
}

.sgv2-menu-item-admin .sgv2-menu-item-icon {
    color: #ffffff;
    background: linear-gradient(135deg, var(--sgv2-accent), color-mix(in srgb, var(--sgv2-accent-3) 78%, var(--sgv2-accent)));
}

.sgv2-menu-item-danger:hover {
    border-color: rgba(159, 37, 51, 0.18);
    background: rgba(159, 37, 51, 0.06);
}

.sgv2-mobile-cta,
.sgv2-menu-btn {
    display: none;
}

.sgv2-menu-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--sgv2-line);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.78);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.sgv2-menu-btn span {
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: var(--sgv2-ink);
}

.sgv2-mobile-menu {
    display: none;
}

.sgv2-mobile-menu[hidden] {
    display: none !important;
}

.sgv2-mobile-section {
    display: grid;
    gap: 8px;
}

.sgv2-mobile-label {
    margin: 0;
    color: var(--sgv2-muted);
    font-size: 0.72rem;
    font-weight: 850;
    text-transform: uppercase;
}

.sgv2-mobile-account {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 14px;
    background: var(--sgv2-surface-strong);
}

.sgv2-mobile-auth {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.sgv2-topbar a:focus-visible,
.sgv2-topbar button:focus-visible,
.sgv2-topbar input:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--sgv2-accent) 42%, transparent);
    outline-offset: 3px;
}

@media (max-width: 1120px) {
    .sgv2-brand {
        min-width: 170px;
    }

    .sgv2-brand-tagline,
    .sgv2-theme-gallery-wrap:not(.sgv2-theme-gallery-wrap-inline),
    .sgv2-plan-badge {
        display: none;
    }

    .sgv2-nav {
        gap: 12px;
    }
}

@media (max-width: 900px) {
    :root {
        --sheetgenie-topbar-offset: 74px;
    }

    .sgv2-topbar-inner {
        width: 100%;
        min-height: 68px;
        padding: 8px 12px;
    }

    .sgv2-brand {
        min-width: 0;
        flex: 1 1 auto;
    }

    .sgv2-brand-mark {
        width: 42px;
        height: 42px;
    }

    .sgv2-brand-name {
        font-size: 1rem;
    }

    .sgv2-nav,
    .sgv2-topbar-actions {
        display: none;
    }

    .sgv2-mobile-cta {
        display: inline-flex;
        min-height: 40px;
        padding: 0 12px;
        border-radius: 12px;
        color: #ffffff;
        background: var(--sgv2-accent);
        text-decoration: none;
        align-items: center;
        justify-content: center;
        font-size: 0.84rem;
        font-weight: 850;
        white-space: nowrap;
    }

    .sgv2-menu-btn {
        display: inline-flex;
    }

    .sgv2-mobile-menu {
        width: calc(100vw - 24px);
        max-height: calc(100dvh - 78px - max(0px, var(--ios-safe-top)));
        overflow-y: auto;
        display: grid;
        gap: 12px;
        margin: 6px auto 12px;
        padding: 12px;
        border: 1px solid var(--sgv2-line);
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--sgv2-shadow);
    }

    .sgv2-mobile-section--nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sgv2-mobile-section--nav .sgv2-mobile-label {
        grid-column: 1 / -1;
    }

    .sgv2-mobile-theme {
        display: grid;
        gap: 10px;
        padding: 10px;
        border-radius: 14px;
        background: var(--sgv2-surface-strong);
    }

    .sgv2-theme-gallery-inline {
        position: static;
        width: 100%;
        padding: 0;
        border: 0;
        background: transparent;
        box-shadow: none;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sgv2-theme-gallery-inline .sgv2-theme-card {
        min-height: 84px;
    }

    .sgv2-mobile-lang {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 10px;
        border-radius: 14px;
        background: var(--sgv2-surface-strong);
    }
}

@media (max-width: 520px) {
    .sgv2-mobile-section--nav,
    .sgv2-mobile-auth,
    .sgv2-theme-gallery-inline {
        grid-template-columns: 1fr;
    }

    .sgv2-mobile-cta {
        display: none;
    }
}

html[data-index-v2-theme] {
    --sgv2-topbar-text: #10233f;
    --sgv2-topbar-muted: #40536e;
    --sgv2-line: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 24%, rgba(72, 102, 136, 0.18));
    --sgv2-topbar-border: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 28%, rgba(72, 102, 136, 0.18));
    --sgv2-topbar-bg:
        linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.56)),
        radial-gradient(900px 120px at 22% 0%, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 66%, transparent), transparent 68%),
        linear-gradient(90deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 68%, transparent), color-mix(in srgb, var(--accent-2, var(--sgv2-accent-2)) 48%, transparent));
    --sgv2-surface-strong: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 10%, #ffffff);
}

html[data-index-v2-theme] .sgv2-topbar {
    background: var(--sgv2-topbar-bg);
    border-bottom-color: var(--sgv2-topbar-border);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--accent, var(--sgv2-accent)) 18%, rgba(45, 76, 112, 0.12));
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] .sgv2-theme-trigger,
html[data-index-v2-theme] .sgv2-theme-gallery,
html[data-index-v2-theme] .sgv2-lang-switch,
html[data-index-v2-theme] .sgv2-plan-badge,
html[data-index-v2-theme] .sgv2-topbar-btn:not(.sgv2-topbar-btn-primary),
html[data-index-v2-theme] .sgv2-account-btn {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 24%, rgba(72, 102, 136, 0.18));
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 18%, #ffffff), color-mix(in srgb, var(--accent-2, var(--sgv2-accent-2)) 10%, #ffffff));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, var(--sgv2-accent)) 10%, transparent);
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] .sgv2-brand,
html[data-index-v2-theme] .sgv2-brand-name,
html[data-index-v2-theme] .sgv2-theme-trigger,
html[data-index-v2-theme] .sgv2-plan-badge,
html[data-index-v2-theme] .sgv2-topbar-btn,
html[data-index-v2-theme] .sgv2-account-btn {
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] .sgv2-brand-tagline,
html[data-index-v2-theme] .sgv2-nav a,
html[data-index-v2-theme] .sgv2-theme-trigger-name,
html[data-index-v2-theme] .sgv2-lang-btn,
html[data-index-v2-theme] .sgv2-account-plan {
    color: var(--sgv2-topbar-muted);
}

html[data-index-v2-theme] .sgv2-nav a:hover,
html[data-index-v2-theme] .sgv2-nav a[aria-current="page"] {
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] .sgv2-topbar-btn-primary {
    border-color: transparent;
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent, var(--sgv2-accent)), color-mix(in srgb, var(--accent, var(--sgv2-accent)) 64%, var(--accent-2, var(--sgv2-accent-2))));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--accent, var(--sgv2-accent)) 28%, transparent);
    text-shadow: 0 1px 1px rgba(4, 14, 30, 0.24);
}

html[data-index-v2-theme] .sgv2-mobile-cta,
html[data-index-v2-theme] .sgv2-menu-btn {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 30%, rgba(72, 102, 136, 0.18));
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 88%, #ffffff), color-mix(in srgb, var(--accent, var(--sgv2-accent)) 68%, var(--accent-2, var(--sgv2-accent-2))));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--accent, var(--sgv2-accent)) 22%, transparent);
    color: #ffffff;
}

html[data-index-v2-theme] .sgv2-lang-btn.is-active,
html[data-index-v2-theme] .sgv2-avatar,
html[data-index-v2-theme] .sgv2-menu-avatar,
html[data-index-v2-theme] .sgv2-mobile-avatar {
    background: linear-gradient(135deg, var(--accent, var(--sgv2-accent)), color-mix(in srgb, var(--accent, var(--sgv2-accent)) 64%, var(--accent-2, var(--sgv2-accent-2))));
    color: #ffffff;
}

html[data-index-v2-theme] .sgv2-menu-btn span {
    background: #ffffff;
}

html[data-index-v2-theme] .sgv2-mobile-menu,
html[data-index-v2-theme] .sgv2-account-menu {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 28%, rgba(72, 102, 136, 0.18));
    background:
        radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 16%, transparent), transparent 48%),
        linear-gradient(180deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 10%, #ffffff), #ffffff 72%);
}

html[data-index-v2-theme] .sgv2-menu-summary,
html[data-index-v2-theme] .sgv2-mobile-account,
html[data-index-v2-theme] .sgv2-mobile-theme,
html[data-index-v2-theme] .sgv2-mobile-lang {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 14%, #ffffff), color-mix(in srgb, var(--accent-2, var(--sgv2-accent-2)) 8%, #ffffff));
}

html[data-index-v2-theme] .sgv2-menu-item,
html[data-index-v2-theme] .sgv2-mobile-menu a,
html[data-index-v2-theme] .sgv2-mobile-logout {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 14%, transparent);
    background: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 8%, transparent);
}

html[data-index-v2-theme] .sgv2-menu-item:hover,
html[data-index-v2-theme] .sgv2-mobile-menu a:hover,
html[data-index-v2-theme] .sgv2-mobile-logout:hover {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 32%, transparent);
    background: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 16%, #ffffff);
}

html[data-index-v2-theme] .sgv2-nav a[aria-current="page"]::after {
    background: linear-gradient(90deg, var(--accent, var(--sgv2-accent)), var(--accent-2, var(--sgv2-accent-2)));
}

/* Shared Index V2 theme tokens for downstream pages */
html[data-index-v2-theme] {
    --sg-theme-bg: linear-gradient(140deg, var(--bg-primary, #07152c), var(--bg-secondary, #0b2143) 48%, var(--bg-tertiary, #123267));
    --sg-theme-text: #f3f8ff;
    --sg-theme-muted: #aec6e9;
    --sg-theme-accent: var(--accent, var(--sgv2-accent, #2587e8));
    --sg-theme-accent-2: var(--accent-2, var(--sgv2-accent-2, #ee6a5f));
    --sg-theme-accent-3: var(--sgv2-accent-3, #1fa98d);
    --sg-theme-line: color-mix(in srgb, var(--sg-theme-accent) 22%, rgba(184, 213, 255, 0.14));
    --sg-theme-line-strong: color-mix(in srgb, var(--sg-theme-accent) 42%, rgba(184, 213, 255, 0.22));
    --sg-theme-surface: color-mix(in srgb, var(--bg-primary, #07152c) 62%, rgba(255, 255, 255, 0.08));
    --sg-theme-surface-strong: color-mix(in srgb, var(--bg-secondary, #0b2143) 72%, rgba(255, 255, 255, 0.08));
    --sg-theme-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
    --sg-theme-radius: 14px;
}

html[data-index-v2-theme] .sg-surface,
html[data-index-v2-theme] .sg-card,
html[data-index-v2-theme] .sg-panel {
    border: 1px solid var(--sg-theme-line);
    border-radius: var(--sg-theme-radius);
    background:
        linear-gradient(165deg, color-mix(in srgb, var(--sg-theme-accent) 14%, rgba(10, 28, 50, 0.86)), rgba(10, 23, 42, 0.78) 48%, color-mix(in srgb, var(--sg-theme-accent-2) 10%, rgba(10, 23, 42, 0.78)));
    color: var(--sg-theme-text);
    box-shadow: var(--sg-theme-shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

html[data-index-v2-theme] .sg-button,
html[data-index-v2-theme] .sg-button-secondary {
    border: 1px solid var(--sg-theme-line);
    border-radius: 10px;
    background: color-mix(in srgb, var(--sg-theme-accent) 10%, rgba(255, 255, 255, 0.08));
    color: #eaf3ff;
}

html[data-index-v2-theme] .sg-button-primary {
    border: 1px solid color-mix(in srgb, var(--sg-theme-accent) 58%, rgba(255, 255, 255, 0.18));
    border-radius: 10px;
    background: linear-gradient(135deg, var(--sg-theme-accent), color-mix(in srgb, var(--sg-theme-accent) 66%, var(--sg-theme-accent-2)));
    color: #ffffff;
    box-shadow: 0 16px 30px color-mix(in srgb, var(--sg-theme-accent) 24%, rgba(3, 12, 24, 0.32));
}

/* Global theme bridge for every HTML page that uses Topbar V2 */
html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) {
    --sg-page-bg:
        radial-gradient(circle at 12% 18%, var(--index-v2-glow-a, color-mix(in srgb, var(--sg-theme-accent) 42%, transparent)), transparent 34%),
        radial-gradient(circle at 86% 82%, var(--index-v2-glow-b, color-mix(in srgb, var(--sg-theme-accent-2) 28%, transparent)), transparent 28%),
        var(--sg-theme-bg);
    --sg-panel-bg: var(--index-v2-panel-bg, linear-gradient(165deg, color-mix(in srgb, var(--sg-theme-accent) 14%, rgba(10, 28, 50, 0.86)), rgba(10, 23, 42, 0.78) 48%, color-mix(in srgb, var(--sg-theme-accent-2) 10%, rgba(10, 23, 42, 0.78))));
    --sg-card-bg: var(--index-v2-card-bg, linear-gradient(165deg, color-mix(in srgb, var(--sg-theme-accent) 12%, rgba(255, 255, 255, 0.1)), rgba(255, 255, 255, 0.08) 48%, color-mix(in srgb, var(--sg-theme-accent-2) 10%, rgba(255, 255, 255, 0.1))));
    --sg-control-bg: color-mix(in srgb, var(--sg-theme-accent) 10%, rgba(255, 255, 255, 0.08));
    --sg-control-bg-hover: color-mix(in srgb, var(--sg-theme-accent) 18%, rgba(255, 255, 255, 0.1));
    --sg-control-text: #edf6ff;
    --sg-button-bg: linear-gradient(135deg, var(--sg-theme-accent), color-mix(in srgb, var(--sg-theme-accent) 66%, var(--sg-theme-accent-2)));
    background: var(--sg-page-bg);
    background-attachment: fixed;
    color: var(--sg-theme-text);
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    -webkit-font-smoothing: auto;
    text-rendering: auto;
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy)::before {
    border-color: color-mix(in srgb, var(--sg-theme-accent) 12%, transparent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    h1,
    h2,
    h3,
    h4,
    h5,
    h6
) {
    font-family: inherit;
    -webkit-font-smoothing: inherit;
    text-rendering: inherit;
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .blob-a {
    background: var(--sg-theme-accent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .blob-b {
    background: var(--sg-theme-accent-3);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .blob-c {
    background: color-mix(in srgb, var(--sg-theme-accent) 62%, #ffffff);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .curve,
html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .geo-ring,
html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .geo-square {
    border-color: color-mix(in srgb, var(--sg-theme-accent) 22%, transparent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .geo-line {
    background: color-mix(in srgb, var(--sg-theme-accent) 26%, transparent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .background-scene .geo-triangle {
    border-bottom-color: color-mix(in srgb, var(--sg-theme-accent) 24%, transparent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    .panel,
    .card,
    .glass-card,
    .glass-panel,
    .hero-card,
    .hero-panel,
    .form-panel,
    .login-card,
    .brand-panel,
    .preview-widget,
    .success-card,
    .reset-password-card,
    .policy-card,
    .policy-section,
    .pricing-card,
    .plan-card,
    .checkout-option,
    .payment-progress-card,
    .account-state-card,
    .footer-card,
    .dashboard-card,
    .admin-card,
    .widget-card,
    .usage-card,
    .metric-card,
    .setting-card,
    .control-panel,
    .preview-panel,
    .template-card,
    .template-panel,
    .workspace-panel,
    .editor-panel,
    .empty-state,
    .table-card,
    .modal-content,
    .dialog
) {
    border-color: var(--sg-theme-line);
    background: var(--sg-card-bg);
    color: var(--sg-theme-text);
    box-shadow: var(--sg-theme-shadow);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    h1,
    h2,
    h3,
    h4,
    .hero-title,
    .card-title,
    .section-title,
    .panel-title,
    .form-label,
    label,
    strong
) {
    color: var(--sg-theme-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    p,
    li,
    small,
    .subtitle,
    .hero-subtitle,
    .hero-desc,
    .section-subtitle,
    .muted,
    .text-muted,
    .card-desc,
    .description,
    .field-note,
    .hint,
    .help-text
) {
    color: var(--sg-theme-muted);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    input,
    select,
    textarea,
    .form-input,
    .input-wrap,
    .search-input,
    .filter-input,
    .field input,
    .field select,
    .field textarea
) {
    border-color: var(--sg-theme-line);
    background: var(--sg-control-bg);
    color: var(--sg-control-text);
    box-shadow: none;
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(input, select, textarea)::placeholder {
    color: color-mix(in srgb, var(--sg-theme-muted) 82%, transparent);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    .btn,
    .button,
    .ghost-btn,
    .secondary-btn,
    .action-btn,
    .toolbar-btn,
    .icon-btn,
    .filter-btn,
    .tab-btn,
    .chip,
    .tag,
    .pill,
    .quick-preset-btn,
    .cfg-chip,
    .op-toggle,
    .difficulty-shortcut-btn,
    .mobile-view-tab,
    .counting-mobile-tab,
    .picturemath-mobile-tab,
    .tpl-picker-tab,
    .google-fallback-btn,
    .trial-btn
) {
    border-color: var(--sg-theme-line);
    background: var(--sg-control-bg);
    color: var(--sg-control-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    .btn:hover,
    .button:hover,
    .ghost-btn:hover,
    .secondary-btn:hover,
    .action-btn:hover,
    .toolbar-btn:hover,
    .icon-btn:hover,
    .filter-btn:hover,
    .tab-btn:hover,
    .chip:hover,
    .tag:hover,
    .pill:hover,
    .quick-preset-btn:hover,
    .cfg-chip:hover,
    .op-toggle:hover,
    .difficulty-shortcut-btn:hover,
    .mobile-view-tab:hover,
    .counting-mobile-tab:hover,
    .picturemath-mobile-tab:hover,
    .tpl-picker-tab:hover,
    .google-fallback-btn:hover,
    .trial-btn:hover
) {
    border-color: var(--sg-theme-line-strong);
    background: var(--sg-control-bg-hover);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    .btn-primary,
    .primary-btn,
    .submit-btn,
    .save-btn,
    .generate-btn,
    .download-btn,
    .option-btn,
    .option-btn-card,
    .option-btn-trial,
    .option-btn-pp,
    .plan-select-btn,
    .cta-button,
    .cta-primary,
    .is-primary,
    .active,
    .is-active,
    [aria-pressed="true"]
):not(.danger):not(.is-danger):not(.logout):not(.sgv2-lang-btn):not(.sgv2-theme-card) {
    border-color: color-mix(in srgb, var(--sg-theme-accent) 58%, rgba(255, 255, 255, 0.18));
    background: var(--sg-button-bg);
    color: #ffffff;
    box-shadow: 0 16px 30px color-mix(in srgb, var(--sg-theme-accent) 24%, rgba(3, 12, 24, 0.32));
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    a,
    .link,
    .btn-text
) {
    color: color-mix(in srgb, var(--sg-theme-accent) 58%, #ffffff);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    table,
    .table,
    .data-table,
    .mini-table
) {
    border-color: var(--sg-theme-line);
    color: var(--sg-theme-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
    th,
    td,
    .table-row,
    .list-row
) {
    border-color: color-mix(in srgb, var(--sg-theme-accent) 16%, rgba(184, 213, 255, 0.12));
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar {
    background: var(--sgv2-topbar-bg);
    border-bottom-color: var(--sgv2-topbar-border);
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-brand, .sgv2-brand-name, .sgv2-theme-trigger, .sgv2-plan-badge, .sgv2-topbar-btn, .sgv2-account-btn) {
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-brand-tagline, .sgv2-nav a, .sgv2-theme-trigger-name, .sgv2-lang-btn, .sgv2-account-plan) {
    color: var(--sgv2-topbar-muted);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-nav a:hover, .sgv2-nav a[aria-current="page"]) {
    color: var(--sgv2-topbar-text);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-topbar-btn-primary) {
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent, var(--sgv2-accent)), color-mix(in srgb, var(--accent, var(--sgv2-accent)) 64%, var(--accent-2, var(--sgv2-accent-2))));
    color: #ffffff;
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-mobile-cta, .sgv2-menu-btn) {
    border-color: color-mix(in srgb, var(--accent, var(--sgv2-accent)) 30%, rgba(72, 102, 136, 0.18));
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--sgv2-accent)) 88%, #ffffff), color-mix(in srgb, var(--accent, var(--sgv2-accent)) 68%, var(--accent-2, var(--sgv2-accent-2))));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--accent, var(--sgv2-accent)) 22%, transparent);
    color: #ffffff;
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(.sgv2-account-menu, .sgv2-mobile-menu) {
    --sgv2-menu-ink: #16324f;
    --sgv2-menu-muted: #52667f;
    --sgv2-menu-danger: #9f2533;
    color: var(--sgv2-menu-ink);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(
    .sgv2-menu-summary strong,
    .sgv2-mobile-account strong,
    .sgv2-menu-item,
    .sgv2-menu-item-label,
    .sgv2-mobile-menu a
) {
    color: var(--sgv2-menu-ink);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(
    .sgv2-menu-email,
    .sgv2-mobile-account span,
    .sgv2-menu-item-arrow,
    .sgv2-mobile-label
) {
    color: var(--sgv2-menu-muted);
}

html[data-index-v2-theme] body.has-site-topbar-v2 .sgv2-topbar :where(
    .sgv2-menu-item-danger,
    .sgv2-mobile-logout
) {
    color: var(--sgv2-menu-danger);
}

@media screen {
    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) {
        --sg-theme-focus: color-mix(in srgb, var(--sg-theme-accent) 54%, #ffffff);
        --sg-theme-success: #31d0aa;
        --sg-theme-warning: #f2b84b;
        --sg-theme-danger: #ef5d6f;
        --sg-theme-info: color-mix(in srgb, var(--sg-theme-accent) 72%, #ffffff);
        --sg-state-success-bg: color-mix(in srgb, var(--sg-theme-success) 13%, rgba(255, 255, 255, 0.08));
        --sg-state-warning-bg: color-mix(in srgb, var(--sg-theme-warning) 15%, rgba(255, 255, 255, 0.08));
        --sg-state-danger-bg: color-mix(in srgb, var(--sg-theme-danger) 13%, rgba(255, 255, 255, 0.08));
        --sg-state-info-bg: color-mix(in srgb, var(--sg-theme-accent) 13%, rgba(255, 255, 255, 0.08));
        -webkit-font-smoothing: auto;
        text-rendering: auto;
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        button,
        [role="button"],
        a,
        input,
        select,
        textarea,
        summary
    ) {
        font-family: inherit;
        -webkit-font-smoothing: inherit;
        -webkit-tap-highlight-color: transparent;
        text-rendering: inherit;
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        button,
        [role="button"],
        .btn,
        .button,
        .ghost-btn,
        .secondary-btn,
        .primary-btn,
        .submit-btn,
        .action-btn,
        .toolbar-btn,
        .icon-btn,
        .filter-btn,
        .tab-btn,
        .chip,
        .cfg-chip,
        .quick-preset-btn,
        .difficulty-shortcut-btn,
        .tpl-card,
        .plan-select-btn,
    .option-btn,
    .google-fallback-btn,
    .trial-btn
    ):not(.sgv2-theme-card):not(.sgv2-lang-btn):not(.toggle-password) {
        min-height: 40px;
        transition:
            transform 160ms ease,
            border-color 160ms ease,
            background-color 160ms ease,
            box-shadow 160ms ease,
            filter 160ms ease;
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        button,
        [role="button"],
        .btn,
        .button,
        .ghost-btn,
        .secondary-btn,
        .primary-btn,
        .submit-btn,
        .action-btn,
        .toolbar-btn,
        .icon-btn,
        .filter-btn,
        .tab-btn,
        .chip,
        .cfg-chip,
        .quick-preset-btn,
        .difficulty-shortcut-btn,
        .tpl-card,
        .plan-select-btn,
    .option-btn,
    .google-fallback-btn,
    .trial-btn
    ):not(.toggle-password):not(:disabled):not([aria-disabled="true"]):hover {
        transform: translateY(-1px);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        button,
        [role="button"],
        input,
        select,
        textarea,
        summary,
        a,
        .btn,
        .button,
        .icon-btn,
        .tpl-card,
        .sidebar-link,
        .mode-card,
        .policy-toc-chip,
        .gallery-filter,
        .worksheet-card-secondary
    ):focus-visible {
        outline: 3px solid var(--sg-theme-focus);
        outline-offset: 3px;
        box-shadow: 0 0 0 5px color-mix(in srgb, var(--sg-theme-accent) 18%, transparent);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        button:disabled,
        input:disabled,
        select:disabled,
        textarea:disabled,
        [aria-disabled="true"],
        .is-disabled,
        .disabled
    ) {
        opacity: 0.58;
        cursor: not-allowed;
        filter: saturate(0.75);
        transform: none !important;
        box-shadow: none !important;
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .status-message,
        .gallery-status,
        .notice,
        .alert,
        .toast,
        .state-chip,
        .form-message
    ) {
        border: 1px solid var(--sg-theme-line);
        border-radius: 12px;
        background: var(--sg-state-info-bg);
        color: var(--sg-theme-text);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(.status-message, .gallery-status, .notice, .alert, .toast, .state-chip, .form-message):where([data-state="success"], .is-success, .success) {
        border-color: color-mix(in srgb, var(--sg-theme-success) 42%, var(--sg-theme-line));
        background: var(--sg-state-success-bg);
        color: color-mix(in srgb, var(--sg-theme-success) 58%, #ffffff);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(.status-message, .gallery-status, .notice, .alert, .toast, .state-chip, .form-message):where([data-state="warning"], .is-warning, .warning) {
        border-color: color-mix(in srgb, var(--sg-theme-warning) 42%, var(--sg-theme-line));
        background: var(--sg-state-warning-bg);
        color: color-mix(in srgb, var(--sg-theme-warning) 62%, #ffffff);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(.status-message, .gallery-status, .notice, .alert, .toast, .state-chip, .form-message):where([data-state="error"], .is-error, .error, .danger, .is-danger) {
        border-color: color-mix(in srgb, var(--sg-theme-danger) 46%, var(--sg-theme-line));
        background: var(--sg-state-danger-bg);
        color: color-mix(in srgb, var(--sg-theme-danger) 64%, #ffffff);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .empty-state,
        .blank-state,
        .no-data,
        .table-empty,
        .usage-history-empty-row td,
        .tpl-picker-empty
    ) {
        border-color: color-mix(in srgb, var(--sg-theme-accent) 22%, rgba(184, 213, 255, 0.14));
        background:
            radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--sg-theme-accent) 13%, transparent), transparent 44%),
            color-mix(in srgb, var(--sg-theme-accent) 7%, rgba(255, 255, 255, 0.06));
        color: var(--sg-theme-muted);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(thead, .table-head) {
        background: color-mix(in srgb, var(--sg-theme-accent) 9%, rgba(255, 255, 255, 0.07));
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(tbody tr, .table-row, .list-row) {
        transition: background-color 160ms ease, border-color 160ms ease;
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(tbody tr:hover, .table-row:hover, .list-row:hover) {
        background: color-mix(in srgb, var(--sg-theme-accent) 8%, rgba(255, 255, 255, 0.04));
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .modal-backdrop,
        .dialog-backdrop,
        .sg-loading-overlay,
        .studio-loading-overlay
    ) {
        background: rgba(3, 10, 20, 0.54);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .sg-loading-panel,
        .studio-loading-panel,
        .modal-content,
        .dialog,
        .sg-app-dialog__panel
    ) {
        border: 1px solid var(--sg-theme-line);
        border-radius: var(--sg-theme-radius);
        background: var(--sg-panel-bg);
        color: var(--sg-theme-text);
        box-shadow: var(--sg-theme-shadow);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .loading-spinner,
        .sg-loading-spinner,
        .studio-loading-spinner
    ) {
        border-color: color-mix(in srgb, var(--sg-theme-accent) 20%, rgba(255, 255, 255, 0.28));
        border-top-color: var(--sg-theme-accent);
    }

    html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(
        .skeleton,
        .is-loading-row,
        [aria-busy="true"]
    ) {
        background-image: linear-gradient(90deg, transparent, color-mix(in srgb, var(--sg-theme-accent) 12%, rgba(255, 255, 255, 0.12)), transparent);
        background-size: 220% 100%;
    }

    @media (max-width: 640px) {
        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(input, select, textarea) {
            min-height: 44px;
            font-size: 16px;
        }

        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(.action-row, .button-grid, .toolbar-actions, .help-actions, .form-actions) {
            gap: 10px;
        }

        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) :where(.status-message, .gallery-status, .notice, .alert, .toast, .form-message) {
            border-radius: 10px;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) *,
        html[data-index-v2-theme] .sgv2-topbar * {
            scroll-behavior: auto !important;
            transition-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
        }

        /* Keep critical progress indicators visibly active while long PDF work is running. */
        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .studio-loading-spinner,
        html[data-index-v2-theme] body.has-site-topbar-v2:not(.index-v2-legacy) .sg-loading-spinner {
            animation-duration: 0.85s !important;
            animation-iteration-count: infinite !important;
        }
    }
}