.extension-settings {
    position: absolute;
    inset: 0;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    color: var(--ink);
    background-color: #f5f8fc;
    background-image: radial-gradient(#d5dce8 .7px, transparent .8px);
    background-size: 18px 18px;
}

.extension-settings-scroll {
    height: 100%;
    overflow: auto;
    padding: 30px clamp(26px, 4vw, 66px) 70px;
}

.extension-settings-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    max-width: 1180px;
    margin: 0 auto 24px;
}

.extension-settings-hero h1 {
    margin: 5px 0 6px;
    font-size: 25px;
    letter-spacing: -.03em;
}

.extension-settings-hero p {
    margin: 0;
    color: #7a879c;
    font-size: 11px;
}

.extension-hero-actions { display: flex; gap: 8px; }

.extension-settings-layout {
    display: grid;
    grid-template-columns: minmax(560px, 1fr) 310px;
    gap: 18px;
    max-width: 1180px;
    margin: 0 auto;
}

.extension-settings-main,
.extension-settings-side {
    display: grid;
    align-content: start;
    gap: 18px;
    min-width: 0;
}

.extension-card {
    overflow: hidden;
    background: rgba(255, 255, 255, .98);
    border: 1px solid #dfe5ee;
    border-radius: 13px;
    box-shadow: 0 10px 30px rgba(38, 59, 91, .08);
}

.extension-card-header {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    min-height: 72px;
    padding: 15px 20px;
    border-bottom: 1px solid #e9edf3;
}

.extension-card-header.with-action { grid-template-columns: 38px minmax(0, 1fr) auto; }
.extension-card-header h2,
.extension-summary-card h2,
.extension-storage-card h2 { margin: 0; color: #34425a; font-size: 15px; }
.extension-card-header p,
.extension-summary-card header p { margin: 4px 0 0; color: #929daf; font-size: 9px; }

.extension-card-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 750;
}

.extension-card-icon.blue { color: #2d66aa; background: #eaf2fc; }
.extension-card-icon.purple { color: #7558aa; background: #f2edfb; }
.extension-card-icon.orange { color: #ad7413; background: #fff3d9; }
.extension-card-icon.teal { color: #217d78; background: #e9f7f5; }
.extension-card-icon.green { color: #268066; background: #e9f7f1; }

.extension-setting-list { display: grid; }

.extension-setting-row,
.extension-inline-setting {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    min-height: 64px;
    margin: 0 20px;
    border-bottom: 1px solid #eef1f5;
}

.extension-setting-row:last-child { border-bottom: 0; }
.extension-setting-row strong,
.extension-setting-row small,
.extension-inline-setting strong,
.extension-inline-setting small { display: block; }
.extension-setting-row strong,
.extension-inline-setting strong { color: #46536a; font-size: 10px; }
.extension-setting-row small,
.extension-inline-setting small { margin-top: 4px; color: #98a2b3; font-size: 8px; line-height: 1.45; }

.extension-switch {
    position: relative;
    flex: 0 0 auto;
    width: 34px;
    height: 19px;
    padding: 0;
    background: #d5dde8;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    transition: 150ms ease;
}

.extension-switch::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 15px;
    height: 15px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(32, 48, 70, .25);
    transition: 150ms ease;
}

.extension-switch.on { background: var(--orange); }
.extension-switch.on::after { transform: translateX(15px); }
.extension-switch:focus-visible { outline: 3px solid rgba(242, 148, 0, .18); outline-offset: 2px; }

.extension-card-body { padding: 18px 20px 20px; transition: 150ms ease; }
.extension-card-body.is-disabled { opacity: .48; }

.extension-field-group + .extension-field-group {
    margin-top: 18px;
    padding-top: 17px;
    border-top: 1px solid #eef1f5;
}

.extension-field-label {
    display: block;
    margin-bottom: 9px;
    color: #526078;
    font-size: 10px;
    font-weight: 700;
}

.extension-option-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
}

.extension-option-grid label {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 0;
    min-height: 52px;
    padding: 9px 11px;
    background: #fafbfd;
    border: 1px solid #e8ecf2;
    border-radius: 9px;
    cursor: pointer;
}

.extension-option-grid label:has(input:checked) { background: #fff9ee; border-color: #efbe64; }
.extension-option-grid input,
.extension-check-grid input { accent-color: var(--orange); }
.extension-option-grid b,
.extension-option-grid small { display: block; }
.extension-option-grid b { color: #47556c; font-size: 9px; }
.extension-option-grid small { margin-top: 3px; color: #9aa4b4; font-size: 8px; }

.extension-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 14px;
}

.extension-check-grid label {
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 6px 9px;
    color: #5a677d;
    background: #f8fafc;
    border-radius: 7px;
    cursor: pointer;
    font-size: 9px;
}

.extension-inline-setting {
    grid-template-columns: minmax(0, 1fr) 116px auto;
    min-height: 65px;
    margin: 18px 0 0;
    padding-top: 14px;
    border-top: 1px solid #eef1f5;
    border-bottom: 0;
}

.extension-number-field,
.extension-input-suffix { display: flex; align-items: center; }
.extension-number-field input,
.extension-input-suffix input { min-width: 0; width: 100%; height: 36px; padding: 7px 9px; border: 1px solid #dce2eb; outline: none; font-size: 10px; }
.extension-number-field input { border-radius: 7px 0 0 7px; }
.extension-number-field span,
.extension-input-suffix b { display: grid; place-items: center; flex: 0 0 auto; height: 36px; padding: 0 9px; color: #7d899c; background: #f4f6f9; border: 1px solid #dce2eb; border-left: 0; border-radius: 0 7px 7px 0; font-size: 8px; font-weight: 600; }

.extension-form-grid { display: grid; gap: 14px; }
.extension-form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.extension-form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.extension-field { display: grid; gap: 6px; color: #4e5c73; font-size: 9px; font-weight: 680; }
.extension-field > input,
.extension-field select { width: 100%; min-height: 38px; padding: 8px 10px; color: #344158; background: #fbfcfe; border: 1px solid #d9e0ea; border-radius: 7px; outline: none; font-size: 10px; font-weight: 450; }
.extension-input-suffix input { border-radius: 7px 0 0 7px; }
.extension-field input:focus,
.extension-field select:focus,
.extension-number-field input:focus,
.extension-input-suffix input:focus { background: white; border-color: #7d9fc8; box-shadow: 0 0 0 3px rgba(36, 92, 164, .08); }
.extension-field small { color: #9aa4b4; font-size: 8px; font-weight: 450; line-height: 1.45; }
.extension-check-grid.visibility { margin-top: 18px; padding-top: 16px; border-top: 1px solid #eef1f5; }

.extension-summary-card header {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: center;
    gap: 11px;
    padding: 17px;
    border-bottom: 1px solid #e9edf3;
}

.extension-summary-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: #e8edf3; }
.extension-summary-stats div { padding: 17px 15px; background: #f9fafc; }
.extension-summary-stats strong,
.extension-summary-stats span { display: block; }
.extension-summary-stats strong { color: var(--blue); font-size: 21px; }
.extension-summary-stats span { margin-top: 4px; color: #8e99aa; font-size: 8px; }
.extension-validation-list { display: grid; gap: 7px; padding: 14px; }
.extension-validation-item { display: flex; align-items: flex-start; gap: 7px; padding: 9px; color: #68758a; background: #f8fafc; border-radius: 7px; font-size: 8px; line-height: 1.45; }
.extension-validation-item::before { content: "✓"; display: grid; place-items: center; flex: 0 0 auto; width: 16px; height: 16px; color: #258168; background: #e6f6f0; border-radius: 50%; font-size: 8px; font-weight: 800; }
.extension-validation-item.error { color: #a14b4b; background: #fff5f5; }
.extension-validation-item.error::before { content: "!"; color: #b44848; background: #ffe7e7; }

.extension-storage-card { padding: 17px; }
.extension-storage-card .extension-card-icon { margin-bottom: 12px; }
.extension-storage-card > p { margin: 7px 0 15px; color: #8995a7; font-size: 9px; line-height: 1.6; }
.extension-storage-card dl { margin: 0; overflow: hidden; border: 1px solid #e8ecf2; border-radius: 8px; }
.extension-storage-card dl div { padding: 10px; background: #fafbfd; border-bottom: 1px solid #e8ecf2; }
.extension-storage-card dl div:last-child { border-bottom: 0; }
.extension-storage-card dt { color: #929daf; font-size: 8px; }
.extension-storage-card dd { margin: 4px 0 0; overflow-wrap: anywhere; color: #46546b; font-size: 8px; font-weight: 680; }

.extension-runtime-card { padding: 15px; color: #66748a; background: linear-gradient(135deg, #f0f5fc, #f8fbff); }
.extension-runtime-card span { color: var(--blue); font-size: 9px; font-weight: 800; }
.extension-runtime-card p { margin: 7px 0 0; font-size: 8px; line-height: 1.65; }

@media (max-width: 1080px) {
    .extension-settings-layout { grid-template-columns: 1fr; }
    .extension-settings-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .extension-runtime-card { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .extension-settings-scroll { padding-right: 16px; padding-left: 16px; }
    .extension-settings-hero { align-items: flex-start; flex-direction: column; }
    .extension-form-grid.two,
    .extension-form-grid.three,
    .extension-option-grid,
    .extension-check-grid,
    .extension-settings-side { grid-template-columns: 1fr; }
    .extension-inline-setting { grid-template-columns: minmax(0, 1fr) 110px auto; }
}