:root {
    color-scheme: light;
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-soft: #eef7f6;
    --text: #172033;
    --muted: #667085;
    --line: #d9e2ec;
    --accent: #0f766e;
    --accent-strong: #0b5f59;
    --accent-soft: #dff5f2;
    --warning: #b45309;
    --danger: #b42318;
    --shadow: 0 18px 50px rgba(22, 34, 51, 0.11);
    --radius: 8px;
    --control-height: 44px;
    font-family: "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background:
        linear-gradient(180deg, #ffffff 0, var(--bg) 360px),
        var(--bg);
    color: var(--text);
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.site-header,
main,
.site-footer {
    width: min(1120px, calc(100% - 32px));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    letter-spacing: 0;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.25);
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 1.02rem;
    line-height: 1.2;
}

.brand small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.25;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
    align-items: center;
    gap: 40px;
    padding: 44px 0 30px;
}

.hero-copy h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(2rem, 5vw, 4.35rem);
    line-height: 1.04;
    font-weight: 850;
}

.hero-copy p {
    max-width: 620px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.65;
}

.hero-media {
    position: relative;
}

.hero-media::before {
    position: absolute;
    inset: 12% 8% 6%;
    content: "";
    border-radius: 50%;
    background: rgba(15, 118, 110, 0.08);
    filter: blur(24px);
}

.hero-media img {
    position: relative;
    display: block;
    width: 100%;
    max-height: 310px;
    object-fit: contain;
}

.search-panel {
    width: min(100%, 570px);
    margin-top: 30px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.search-panel label,
.field label,
.check-field {
    color: #344054;
    font-size: 0.86rem;
    font-weight: 700;
}

.search-row {
    display: grid;
    grid-template-columns: 1fr var(--control-height);
    gap: 8px;
    margin-top: 8px;
}

.search-row input,
.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: var(--control-height);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    padding: 0 12px;
    outline: none;
}

.field textarea {
    min-height: 92px;
    padding-block: 10px;
    resize: vertical;
}

.search-row input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.icon-button,
.ghost-button,
.primary-button,
.danger-button,
.text-button,
.download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--control-height);
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0 15px;
    font-size: 0.92rem;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.icon-button {
    width: var(--control-height);
    padding: 0;
    border-color: var(--line);
    background: var(--surface);
    color: var(--muted);
}

.icon-button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
}

.ghost-button,
.text-button {
    border-color: var(--line);
    background: var(--surface);
    color: #344054;
}

.primary-button,
.download-button {
    background: var(--accent);
    color: #fff;
}

.danger-button {
    border-color: #f3b8b1;
    background: #fff5f3;
    color: var(--danger);
}

.icon-button:hover,
.ghost-button:hover,
.primary-button:hover,
.danger-button:hover,
.text-button:hover,
.download-button:hover {
    transform: translateY(-1px);
}

.primary-button:disabled,
.download-button:disabled {
    border-color: var(--line);
    background: #e4e7ec;
    color: #667085;
    cursor: not-allowed;
    transform: none;
}

.toolbar-section {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto;
    align-items: end;
    gap: 20px;
    margin-top: 10px;
    padding-block: 26px 16px;
    border-top: 1px solid var(--line);
}

.toolbar-section h2,
.notice-section h2,
.manager-title h1 {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.25;
}

.toolbar-section p,
.manager-title p {
    margin: 6px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.category-tab {
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: #344054;
    padding: 0 13px;
    font-size: 0.88rem;
    font-weight: 750;
    cursor: pointer;
}

.category-tab[aria-selected="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    padding: 8px 0 34px;
}

.download-card {
    display: grid;
    gap: 14px;
    min-height: 236px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 18px;
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
}

.download-card.is-important {
    border-color: rgba(15, 118, 110, 0.34);
    box-shadow: 0 18px 42px rgba(15, 118, 110, 0.11);
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.file-type {
    min-width: 46px;
    border-radius: 6px;
    background: var(--surface-soft);
    color: var(--accent-strong);
    padding: 5px 8px;
    font-size: 0.78rem;
    font-weight: 850;
    text-align: center;
}

.file-size {
    color: var(--muted);
    font-size: 0.84rem;
    white-space: nowrap;
}

.download-card h3 {
    margin: 0;
    font-size: 1.06rem;
    line-height: 1.35;
}

.download-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.card-note {
    border-left: 3px solid #f59e0b;
    padding-left: 10px;
    color: #7c4a03;
    font-size: 0.9rem;
    line-height: 1.5;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.card-actions .download-button {
    flex: 1;
}

.copy-link-button {
    width: var(--control-height);
    min-width: var(--control-height);
}

.empty-state {
    grid-column: 1 / -1;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.68);
    padding: 34px 18px;
    text-align: center;
    color: var(--muted);
}

.notice-section {
    padding: 30px 0 42px;
    border-top: 1px solid var(--line);
}

.notice-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.notice-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 16px;
}

.notice-item h3 {
    margin: 0 0 8px;
    font-size: 0.98rem;
}

.notice-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0 34px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.86rem;
}

.noscript-message {
    width: min(1120px, calc(100% - 32px));
    margin: 20px auto;
    padding: 14px;
    border: 1px solid #f3b8b1;
    border-radius: var(--radius);
    background: #fff5f3;
    color: var(--danger);
}

.manager-main {
    padding-top: 24px;
}

.manager-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    padding: 28px 0 20px;
    border-bottom: 1px solid var(--line);
}

.manager-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.manager-title h2 {
    margin: 0;
    font-size: 1.45rem;
}

.manager-title-sub {
    margin-top: 18px;
}

.save-notice {
    display: grid;
    gap: 4px;
    margin: 14px 0 0;
    border: 1px solid #b8ded9;
    border-radius: var(--radius);
    background: #eefbf9;
    padding: 12px 14px;
    color: #164e49;
    font-size: 0.9rem;
    line-height: 1.55;
}

.save-notice strong {
    color: var(--accent-strong);
}

.save-notice code {
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.82);
    padding: 2px 5px;
    color: #172033;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.86em;
}

.access-panel {
    display: grid;
    grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
    gap: 18px;
    align-items: start;
    margin: 16px 0 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 18px;
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.05);
}

.access-panel h2 {
    margin: 0;
    font-size: 1.2rem;
}

.access-panel p {
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.access-form {
    display: grid;
    gap: 12px;
}

.access-toggle {
    align-items: flex-start;
    border: 1px solid #b8ded9;
    border-radius: var(--radius);
    background: #eefbf9;
    padding: 10px 12px;
    color: #164e49;
    font-weight: 800;
}

.access-toggle code {
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.82);
    padding: 2px 5px;
    color: #172033;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.86em;
}

.manager-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0 42px;
}

.firmware-admin {
    padding-bottom: 48px;
}

.firmware-admin-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0 0;
}

.editor-panel,
.list-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
}

.editor-panel {
    align-self: start;
    position: sticky;
    top: 12px;
    padding: 18px;
}

.form-grid {
    display: grid;
    gap: 13px;
}

.model-admin {
    display: grid;
    gap: 9px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 16px;
}

.model-admin > label {
    color: #344054;
    font-size: 0.9rem;
    font-weight: 800;
}

.model-add-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

.model-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.model-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 30px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #f8fafc;
    padding: 0 10px;
    color: #344054;
    font-size: 0.82rem;
    font-weight: 800;
}

.model-chip-custom {
    border-color: #b8ded9;
    background: #eefbf9;
    color: var(--accent-strong);
}

.model-chip button {
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    line-height: 1;
}

.model-chip button:hover {
    background: rgba(15, 118, 110, 0.12);
}

.field {
    display: grid;
    gap: 7px;
}

.field-help {
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.45;
}

.field-help code {
    border-radius: 5px;
    background: #f1f5f9;
    padding: 2px 5px;
    color: #172033;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.92em;
}

.file-input {
    min-height: auto !important;
    padding: 8px !important;
    cursor: pointer;
}

.file-input::file-selector-button {
    min-height: 34px;
    margin-right: 12px;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    background: var(--accent);
    color: #fff;
    padding: 0 14px;
    font-weight: 800;
    cursor: pointer;
}

.file-input:hover::file-selector-button {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
}

.field-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.access-form .field-pair {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-field {
    display: flex;
    align-items: center;
    gap: 8px;
}

.check-field input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.row-check {
    width: fit-content;
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 800;
}

.form-actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    margin-top: 4px;
}

.list-panel {
    min-width: 0;
    overflow: hidden;
}

.list-tools {
    display: grid;
    grid-template-columns: minmax(160px, 1fr) minmax(130px, 190px);
    gap: 10px;
    padding: 14px;
    border-bottom: 1px solid var(--line);
}

.manager-list {
    display: grid;
}

.manager-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid var(--line);
}

.manager-row:last-child {
    border-bottom: 0;
}

.row-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 6px;
}

.row-title strong {
    font-size: 0.98rem;
}

.row-meta {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.row-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.row-actions button {
    min-width: 40px;
    padding-inline: 10px;
}

.row-actions-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-pill {
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    padding: 4px 8px;
    font-size: 0.74rem;
    font-weight: 800;
}

.status-pill.important {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 18px;
    z-index: 10;
    width: min(calc(100% - 32px), 420px);
    transform: translateX(-50%) translateY(18px);
    border-radius: var(--radius);
    background: #172033;
    color: #fff;
    padding: 13px 15px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 0, rgba(15, 118, 110, 0.12), transparent 360px),
        linear-gradient(180deg, #ffffff 0, var(--bg) 100%);
}

.login-main {
    display: grid;
    width: min(100% - 32px, 460px);
    min-height: 100vh;
    place-items: center;
    margin-inline: auto;
    padding: 32px 0;
}

.pin-card {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 26px;
    box-shadow: var(--shadow);
}

.pin-copy {
    margin-top: 30px;
}

.pin-copy h1 {
    margin: 0;
    font-size: 1.7rem;
    line-height: 1.25;
}

.pin-copy p {
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.pin-form {
    display: grid;
    gap: 10px;
    margin-top: 22px;
}

.pin-form label {
    color: #344054;
    font-size: 0.86rem;
    font-weight: 800;
}

.pin-form input {
    width: 100%;
    height: 54px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    padding: 0 14px;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-align: center;
    outline: none;
}

.pin-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.pin-form .primary-button {
    width: 100%;
    margin-top: 4px;
}

.pin-form .ghost-button {
    width: 100%;
    justify-content: center;
}

.pin-error {
    min-height: 20px;
    margin: 0;
    color: var(--danger);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
}

.firmware-main {
    padding-top: 30px;
}

.guest-hero {
    padding-bottom: 24px;
}

.firmware-panel {
    display: grid;
    gap: 24px;
    align-items: start;
    padding: 40px 0 58px;
}

.firmware-copy h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.8rem);
    line-height: 1.08;
    font-weight: 850;
}

.firmware-copy p {
    max-width: 620px;
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.firmware-model-card,
.firmware-detail {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
}

.firmware-model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.guest-firmware-panel {
    margin-top: 34px;
}

.firmware-model-card {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.firmware-model-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.firmware-model-head h2 {
    margin: 0;
    font-size: 1.18rem;
}

.firmware-detail {
    min-height: 150px;
    padding: 16px;
    box-shadow: none;
}

.firmware-detail h2 {
    margin: 0 0 8px;
    font-size: 1.08rem;
}

.firmware-detail p {
    margin: 12px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.firmware-download-button {
    width: 100%;
}

.sites-main {
    padding-bottom: 48px;
}

.site-hero {
    padding-bottom: 24px;
}

.site-hero-media img {
    max-height: 260px;
}

.site-browser {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 8px 0 36px;
}

.site-list-panel-public {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
}

.site-list-toggle {
    display: none;
}

.site-grid {
    display: grid;
}

.site-list-button {
    display: grid;
    width: 100%;
    min-height: 68px;
    gap: 6px;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    padding: 14px;
    color: inherit;
    cursor: pointer;
    text-align: left;
    transition: background 150ms ease, box-shadow 150ms ease;
}

.site-list-button:last-child {
    border-bottom: 0;
}

.site-list-button strong {
    font-size: 1rem;
    line-height: 1.35;
}

.site-list-button span {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.35;
}

.site-list-button:hover,
.site-list-button.is-selected {
    background: #f4fbfa;
    box-shadow: inset 4px 0 0 var(--accent);
}

.site-list-button:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.22);
    outline-offset: -3px;
}

.site-card {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 10px;
    box-shadow: 0 10px 28px rgba(22, 34, 51, 0.05);
    cursor: pointer;
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.site-card:hover,
.site-card.is-selected {
    border-color: rgba(15, 118, 110, 0.45);
    box-shadow: 0 14px 34px rgba(15, 118, 110, 0.12);
    transform: translateY(-1px);
}

.site-card:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.22);
    outline-offset: 3px;
}

.site-card-thumb,
.site-detail-image,
.site-item-thumb {
    display: block;
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: #eef7f6;
    object-fit: cover;
}

.site-card-thumb {
    aspect-ratio: 4 / 3;
}

.site-card-body {
    min-width: 0;
}

.site-card h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
}

.site-card-meta {
    display: grid;
    gap: 3px;
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.35;
}

.site-card p {
    margin: 8px 0 0;
    color: var(--accent-strong);
    font-size: 0.84rem;
    font-weight: 800;
}

.site-image-placeholder {
    display: grid;
    place-items: center;
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 800;
    text-align: center;
}

.site-detail-panel {
    min-width: 0;
}

.site-detail,
.site-detail-empty {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
}

.site-detail {
    display: grid;
    gap: 18px;
    padding: 18px;
}

.site-detail-empty {
    padding: 34px 18px;
    color: var(--muted);
    text-align: center;
}

.site-detail-empty h2,
.site-detail h2 {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.25;
}

.site-detail-empty p {
    margin: 8px 0 0;
}

.site-detail-head {
    display: grid;
    grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.site-detail-image {
    aspect-ratio: 4 / 3;
}

.site-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 16px 0 0;
}

.site-facts div {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fafc;
    padding: 10px;
}

.site-facts dt {
    margin: 0 0 5px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.site-facts dd {
    margin: 0;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.site-note {
    margin: 14px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.site-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 10px;
}

.site-gallery-item {
    display: block;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fafc;
    text-decoration: none;
}

.site-gallery-item img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

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

.site-item-card {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    padding: 14px;
}

.site-item-thumb {
    aspect-ratio: 1 / 1;
}

.site-item-body {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.site-item-body p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.site-download-button {
    width: 100%;
    margin-top: auto;
}

.site-manager-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0 42px;
}

.site-list-panel {
    align-self: start;
}

.site-editor-panel.is-empty {
    display: none;
}

.site-item-editor {
    display: grid;
    gap: 13px;
    margin-top: 4px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.site-item-editor-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.site-item-editor-head h2 {
    margin: 0;
    font-size: 1.08rem;
}

.site-item-list {
    display: grid;
    gap: 10px;
}

.site-item-edit-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fafc;
    padding: 12px;
}

.site-item-empty {
    padding: 18px 12px;
}

.site-menu-row {
    border-bottom: 1px solid var(--line);
}

.site-menu-row:last-child {
    border-bottom: 0;
}

.site-menu-button {
    width: 100%;
    min-height: 72px;
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 14px;
    color: inherit;
    cursor: pointer;
    text-align: left;
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease, background 150ms ease;
}

.site-menu-button:hover,
.site-menu-row.is-active .site-menu-button {
    background: #f4fbfa;
    box-shadow: inset 4px 0 0 var(--accent);
    transform: none;
}

.site-menu-button:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.22);
    outline-offset: 2px;
}

.site-menu-row.is-active .site-menu-button .row-title strong {
    color: var(--accent-strong);
}

@media (max-width: 920px) {
    .hero-section,
    .toolbar-section,
    .manager-layout,
    .access-panel,
    .firmware-admin-layout,
    .firmware-panel,
    .site-browser,
    .site-detail-head,
    .site-manager-layout {
        grid-template-columns: 1fr;
    }

    .hero-section {
        gap: 20px;
        padding-top: 24px;
    }

    .hero-media {
        order: -1;
    }

    .hero-media img {
        max-height: 220px;
    }

    .category-tabs {
        justify-content: flex-start;
    }

    .download-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .site-item-grid {
        grid-template-columns: 1fr;
    }

    .site-list-panel-public {
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .site-list-toggle {
        display: inline-flex;
        width: 100%;
        justify-content: center;
        margin-bottom: 10px;
    }

    .site-grid {
        display: none;
        overflow: hidden;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface);
        box-shadow: 0 12px 34px rgba(22, 34, 51, 0.06);
    }

    .site-list-panel-public.is-open .site-grid {
        display: grid;
    }

    .manager-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .manager-actions {
        justify-content: flex-start;
    }

    .editor-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .site-header,
    main,
    .site-footer {
        width: min(100% - 24px, 1120px);
    }

    .site-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
    }

    .top-actions,
    .top-actions .ghost-button,
    .manager-actions,
    .manager-actions a,
    .manager-actions button {
        width: 100%;
    }

    .hero-copy h1 {
        font-size: 1.82rem;
        line-height: 1.14;
    }

    .hero-copy p {
        margin-top: 10px;
        font-size: 0.95rem;
        line-height: 1.55;
    }

    .hero-section {
        gap: 14px;
        padding-top: 6px;
        padding-bottom: 20px;
    }

    .hero-media img {
        max-height: 150px;
    }

    .search-panel {
        margin-top: 16px;
        padding: 12px;
    }

    .toolbar-section {
        padding-block: 18px 12px;
    }

    .download-grid,
    .notice-list,
    .field-pair,
    .access-form .field-pair,
    .list-tools,
    .site-facts,
    .site-item-card,
    .site-card,
    .site-item-edit-row {
        grid-template-columns: 1fr;
    }

    .download-card {
        min-height: auto;
    }

    .manager-row {
        grid-template-columns: 1fr;
    }

    .row-actions {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }

    .row-actions-compact {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .row-actions button {
        min-width: 0;
    }

    .site-footer {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}