.mf-tools-lab {
    --mf-tools-lab-bg: #f8fafc;
    --mf-tools-lab-border: #dbe3ec;
    background: var(--mf-tools-lab-bg);
    color: var(--mf-light-text, #1e4078);
}

.mf-tools-lab__intro {
    background: var(--mf-dark, #111827);
    color: var(--mf-dark-text, #fff);
    padding: clamp(2.5rem, 6vw, 5rem) 0 2.25rem;
}

.mf-tools-lab__intro h1,
.mf-tools-lab__workspace-header h2 {
    margin: 0;
    color: inherit;
    font-family: var(--mf-font-head, sans-serif);
}

.mf-tools-lab__intro h1 {
    max-width: 760px;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.08;
}

.mf-tools-lab__eyebrow,
.mf-tools-lab__meta-label {
    margin: 0 0 .65rem;
    color: var(--mf-badge-teal, #0e9fe1);
    font-family: var(--mf-font-mono, monospace);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.mf-tools-lab__lead {
    max-width: 680px;
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, .78);
    font-size: 1.05rem;
}

.mf-tools-lab__notice,
.mf-tools-lab__legacy-note {
    max-width: 820px;
    margin: 1.25rem 0 0;
    padding: .75rem 1rem;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--mf-r, 10px);
    color: rgba(255, 255, 255, .86);
    font-size: .875rem;
}

.mf-tools-lab__body {
    padding: 2rem 0 5rem;
}

.mf-tools-lab__layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.mf-tools-lab__sidebar,
.mf-tools-lab__workspace {
    min-width: 0;
    border: 1px solid var(--mf-tools-lab-border);
    border-radius: var(--mf-r-lg, 16px);
    background: var(--mf-white, #fff);
    box-shadow: var(--mf-shadow, 0 4px 16px rgba(17, 24, 39, .08));
}

.mf-tools-lab__sidebar {
    position: sticky;
    top: 1.5rem;
    overflow: hidden;
}

.mf-tools-lab__sidebar-heading,
.mf-tools-lab__workspace-header {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: flex-start;
}

.mf-tools-lab__sidebar-heading {
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--mf-tools-lab-border);
    color: var(--mf-text, #0f172a);
    font-weight: 700;
}

.mf-tools-lab__count {
    display: inline-grid;
    min-width: 1.5rem;
    min-height: 1.5rem;
    place-items: center;
    border-radius: 999px;
    background: var(--mf-blue-pale, #eff6ff);
    color: var(--mf-blue, #2563ea);
    font-size: .75rem;
}

.mf-tools-lab__scenario-list {
    margin: 0;
    padding: .5rem;
    list-style: none;
}

.mf-tools-lab__scenario-link {
    display: block;
    padding: .8rem .7rem;
    border-left: 3px solid transparent;
    border-radius: var(--mf-r-sm, 6px);
    color: var(--mf-light-text, #1e4078);
    text-decoration: none;
}

.mf-tools-lab__scenario-link:hover,
.mf-tools-lab__scenario-link:focus-visible,
.mf-tools-lab__scenario-link.is-active {
    border-left-color: var(--mf-blue, #2563ea);
    background: var(--mf-blue-pale, #eff6ff);
}

.mf-tools-lab__scenario-link-title,
.mf-tools-lab__scenario-link-meta {
    display: block;
}

.mf-tools-lab__scenario-link-title {
    color: var(--mf-text, #0f172a);
    font-size: .875rem;
    font-weight: 700;
}

.mf-tools-lab__scenario-link-meta {
    margin-top: .2rem;
    color: #64748b;
    font-size: .72rem;
}

.mf-tools-lab__workspace {
    padding: clamp(1rem, 3vw, 2rem);
}

.mf-tools-lab__workspace-header {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--mf-tools-lab-border);
}

.mf-tools-lab__workspace-header h2 {
    color: var(--mf-light-text, #1e4078);
    font-size: clamp(1.4rem, 3vw, 2.25rem);
}

.mf-tools-lab__workspace-header p:not(.mf-tools-lab__eyebrow) {
    max-width: 700px;
    margin: .6rem 0 0;
    color: #64748b;
}

.mf-tools-lab__viewport-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: .35rem;
    min-width: 190px;
}

.mf-tools-lab__meta-label {
    width: 100%;
    margin: 0;
    text-align: right;
}

.mf-tools-lab__viewport-button {
    padding: .45rem .65rem;
    border: 1px solid var(--mf-border-2, #cbd5e1);
    border-radius: var(--mf-r-sm, 6px);
    background: var(--mf-white, #fff);
    color: var(--mf-light-text, #1e4078);
    cursor: pointer;
    font-size: .75rem;
}

.mf-tools-lab__viewport-button:hover,
.mf-tools-lab__viewport-button:focus-visible,
.mf-tools-lab__viewport-button.is-active {
    border-color: var(--mf-blue, #2563ea);
    background: var(--mf-blue-pale, #eff6ff);
    color: var(--mf-blue-hover, #1d4ed8);
}

.mf-tools-lab__metadata {
    display: block;
    margin: 1.25rem 0;
    border-top: 1px solid var(--mf-tools-lab-border);
    border-bottom: 1px solid var(--mf-tools-lab-border);
}

.mf-tools-lab__metadata > div {
    display: grid;
    grid-template-columns: minmax(150px, 30%) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    min-width: 0;
    padding: .8rem 0;
    border-bottom: 1px solid var(--mf-tools-lab-border);
}

.mf-tools-lab__metadata > div:last-child {
    border-bottom: 0;
}

.mf-tools-lab__metadata dt {
    color: #64748b;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.mf-tools-lab__metadata dd {
    margin: .35rem 0 0;
    color: var(--mf-text, #0f172a);
    font-size: .82rem;
    overflow-wrap: anywhere;
}

.mf-tools-lab__metadata code {
    display: block;
    overflow-wrap: anywhere;
    color: var(--mf-blue-hover, #1d4ed8);
    font-family: var(--mf-font-mono, monospace);
    font-size: .75rem;
}

.mf-tools-lab__risk {
    display: inline-block;
    padding: .25rem .45rem;
    border-radius: 999px;
    background: var(--mf-badge-green, #ecfdf5);
    color: var(--mf-green, #06543f);
    font-size: .72rem;
    font-weight: 700;
}

.mf-tools-lab__risk--write {
    background: var(--mf-red-pale, #fef2f2);
    color: var(--mf-red, #dc2626);
}

.mf-tools-lab__legacy-note {
    margin: 0 0 1rem;
    border-color: #f1d28a;
    background: #fffbeb;
    color: #854d0e;
}

.mf-tools-lab__render-shell {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--mf-tools-lab-border);
    border-radius: var(--mf-r, 10px);
    background: var(--mf-white, #fff);
    overflow-x: auto;
    transition: max-width .2s ease;
}

[data-mf-tools-lab-viewport="tablet"] .mf-tools-lab__render-shell {
    max-width: 768px;
    margin-inline: auto;
}

[data-mf-tools-lab-viewport="mobile"] .mf-tools-lab__render-shell {
    max-width: 390px;
    margin-inline: auto;
}

.mf-tools-lab__closed-state {
    padding: 1.25rem;
    border: 1px solid #f1d28a;
    border-radius: var(--mf-r, 10px);
    background: #fffbeb;
    color: #854d0e;
}

.mf-tools-lab__closed-state p {
    margin: .5rem 0 0;
}

.mf-tools-lab__empty {
    padding: 1rem;
    color: #64748b;
    font-size: .875rem;
}

.mf-tools-lab__safe-preview {
    padding: 1.25rem;
    border: 1px solid #f1d28a;
    border-radius: var(--mf-r, 10px);
    background: #fffbeb;
    color: #854d0e;
}

.mf-tools-lab__safe-preview p {
    margin: .5rem 0 1rem;
}

.mf-tools-lab__safe-preview button {
    padding: .45rem .65rem;
    border: 1px solid #d6b56a;
    border-radius: var(--mf-r-sm, 6px);
    background: #fff;
    color: #854d0e;
    cursor: not-allowed;
}

.mf-tools-lab__notice--light {
    margin: 0 0 1.25rem;
    border-color: #dbe3ec;
    background: #f8fafc;
    color: #475569;
}

.mf-tools-lab__safe-preview--email {
    border: 0;
    border-radius: 20px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: #fff;
    text-align: center;
}

.mf-tools-lab__safe-preview--banner {
    text-align: left;
}

.mf-tools-lab__email-icon {
    display: grid;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    place-items: center;
    border-radius: 16px;
    background: rgba(255, 255, 255, .15);
    font-size: 2rem;
}

.mf-tools-lab__email-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.mf-tools-lab__email-copy {
    min-width: 0;
}

.mf-tools-lab__email-title {
    display: block;
    margin-bottom: .5rem;
    color: #fff;
    font-size: 1.35rem;
}

.mf-tools-lab__email-copy p {
    margin: 0;
    color: rgba(255, 255, 255, .85);
    line-height: 1.55;
}

.mf-tools-lab__email-form {
    width: min(100%, 520px);
    margin: 1.25rem auto 0;
}

.mf-tools-lab__email-form--banner {
    flex: 1;
    margin: 0;
}

.mf-tools-lab__email-row,
.mf-tools-lab__email-fields {
    display: flex;
    gap: .75rem;
}

.mf-tools-lab__email-form input[type="email"],
.mf-tools-lab__email-form input[type="text"] {
    width: 100%;
    min-width: 0;
    padding: .8rem 1rem;
    border: 2px solid rgba(255, 255, 255, .22);
    border-radius: 10px;
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

.mf-tools-lab__email-form input::placeholder {
    color: rgba(255, 255, 255, .68);
}

.mf-tools-lab__email-input-wrap {
    display: flex;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, .22);
    border-radius: 50px;
    background: rgba(255, 255, 255, .12);
}

.mf-tools-lab__email-input-wrap input[type="email"] {
    border: 0;
    border-radius: 0;
    background: transparent;
}

.mf-tools-lab__email-form button {
    flex-shrink: 0;
    padding: .8rem 1.25rem;
    border: 0;
    border-radius: 10px;
    background: #fff;
    color: #1e3a5f;
    font-weight: 700;
    cursor: not-allowed;
}

.mf-tools-lab__email-input-wrap button {
    border-radius: 50px;
}

.mf-tools-lab__email-consent {
    display: flex;
    gap: .6rem;
    align-items: flex-start;
    margin: 1rem 0;
    color: rgba(255, 255, 255, .84);
    font-size: .8rem;
    text-align: left;
}

.mf-tools-lab__email-consent input {
    flex: 0 0 auto;
    margin-top: .15rem;
}

.mf-tools-lab__safe-preview-note {
    margin: .75rem 0 0;
    color: #854d0e;
    font-size: .8rem;
    text-align: left;
}

@media (max-width: 960px) {
    .mf-tools-lab__layout {
        grid-template-columns: 1fr;
    }

    .mf-tools-lab__sidebar {
        position: static;
    }

    .mf-tools-lab__scenario-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .mf-tools-lab__workspace-header {
        display: block;
    }

    .mf-tools-lab__viewport-controls {
        justify-content: flex-start;
        margin-top: 1rem;
    }

    .mf-tools-lab__meta-label {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .mf-tools-lab__scenario-list {
        grid-template-columns: 1fr;
    }

    .mf-tools-lab__metadata > div {
        grid-template-columns: minmax(105px, 34%) minmax(0, 1fr);
        gap: .75rem;
    }

    .mf-tools-lab__workspace {
        padding: 1rem .75rem;
    }

    .mf-tools-lab__email-banner-inner,
    .mf-tools-lab__email-fields,
    .mf-tools-lab__email-row {
        display: block;
    }

    .mf-tools-lab__email-form--banner {
        margin-top: 1.25rem;
    }

    .mf-tools-lab__email-form input[type="text"],
    .mf-tools-lab__email-input-wrap,
    .mf-tools-lab__email-row input[type="email"] {
        margin-bottom: .75rem;
    }

    .mf-tools-lab__email-input-wrap {
        display: flex;
        flex-direction: column;
        border-radius: 16px;
    }

    .mf-tools-lab__email-input-wrap button {
        width: 100%;
        border-radius: 0 0 14px 14px;
    }
}