:root {
    --bg: #f5f7fb;
    --bg-soft: #eef3f9;
    --panel: rgba(255, 255, 255, 0.92);
    --panel-border: rgba(15, 23, 42, 0.08);
    --text: #1f2937;
    --muted: #64748b;
    --accent: #0f766e;
    --accent-2: #2563eb;
    --warn: #d97706;
    --error: #dc2626;
    --ok: #16a34a;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 24%),
        radial-gradient(circle at top right, rgba(15, 118, 110, 0.10), transparent 26%),
        linear-gradient(180deg, var(--bg), var(--bg-soft));
}

a {
    color: inherit;
    text-decoration: none;
}

code {
    padding: 0.12rem 0.38rem;
    border-radius: 0.35rem;
    background: #e9eef7;
    color: #0f172a;
}

.app-shell {
    padding: 32px 20px 48px;
}

.hero {
    max-width: 1180px;
    margin: 0 auto 24px;
    padding: 28px 30px;
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 251, 0.96));
    box-shadow: var(--shadow);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.10);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.hero h1 {
    margin: 14px 0 10px;
    font-size: 34px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero p {
    margin: 0;
    max-width: 760px;
    color: var(--muted);
    line-height: 1.8;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 22px;
}

.sidebar,
.content {
    min-width: 0;
}

.panel,
.result-card {
    border: 1px solid var(--panel-border);
    border-radius: 22px;
    background: var(--panel);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.panel {
    padding: 20px;
}

.panel--muted {
    margin-top: 16px;
}

.panel--muted p,
.panel--muted .panel__title {
    color: var(--muted);
}

.panel--success {
    border-color: rgba(22, 163, 74, 0.22);
    background: rgba(236, 253, 245, 0.95);
    color: #166534;
}

.panel--error {
    border-color: rgba(220, 38, 38, 0.22);
    background: rgba(254, 242, 242, 0.96);
    color: #991b1b;
}

.panel__title {
    margin-bottom: 14px;
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tool-nav {
    display: grid;
    gap: 10px;
}

.tool-nav__item {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid transparent;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.tool-nav__item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
}

.tool-nav__item span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.tool-nav__item:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.16);
    background: #ffffff;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
}

.tool-nav__item.is-active {
    border-color: rgba(15, 118, 110, 0.26);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.10), rgba(37, 99, 235, 0.08));
}

.content {
    display: grid;
    gap: 18px;
}

.is-hidden {
    display: none !important;
}

.home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.8fr);
    gap: 18px;
}

.home-hero__copy h2 {
    margin: 0 0 12px;
    font-size: 28px;
    line-height: 1.15;
}

.home-hero__copy p {
    margin: 0;
    color: var(--muted);
    line-height: 1.85;
}

.home-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.stat {
    padding: 14px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.stat strong {
    display: block;
    margin-bottom: 6px;
    font-size: 18px;
    color: var(--text);
}

.stat span {
    color: var(--muted);
    font-size: 13px;
}

.home-note {
    height: 100%;
    padding: 18px;
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(15, 118, 110, 0.08), rgba(37, 99, 235, 0.05)),
        #fbfdff;
    border: 1px solid rgba(15, 23, 42, 0.07);
}

.home-note h3 {
    margin: 0 0 12px;
    font-size: 18px;
}

.home-note ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.85;
}

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

.tool-grid--featured {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.tool-card {
    display: block;
    padding: 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.07);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.tool-card:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 118, 110, 0.24);
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.06);
}

.tool-card__top,
.tool-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.tool-card__top strong {
    font-size: 18px;
}

.tool-card p {
    margin: 12px 0 18px;
    color: var(--muted);
    line-height: 1.75;
}

.tool-card__footer {
    color: var(--accent);
    font-size: 13px;
}

.tool-card__arrow {
    font-size: 18px;
    line-height: 1;
}

.pill {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.10);
    color: var(--accent);
    font-size: 12px;
}

.pill--soft {
    background: #eef2f7;
    color: var(--muted);
}

.home-filter {
    display: grid;
    gap: 18px;
}

.tool-searchbar {
    display: grid;
    gap: 14px;
}

.tool-searchbar__field {
    display: grid;
    gap: 8px;
}

.tool-searchbar__field span {
    color: var(--muted);
    font-size: 14px;
}

.tool-searchbar__field input {
    width: 100%;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 16px;
    padding: 14px 16px;
    color: var(--text);
    background: #ffffff;
    outline: none;
}

.tool-searchbar__field input:focus,
.field input:focus {
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.tool-filterbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tool-filter {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: #ffffff;
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.tool-filter:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.22);
}

.tool-filter span {
    font-size: 14px;
}

.tool-filter em {
    font-style: normal;
    font-size: 12px;
    color: var(--muted);
}

.tool-filter.is-active {
    border-color: rgba(15, 118, 110, 0.28);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.10), rgba(37, 99, 235, 0.08));
}

.tool-filter.is-empty {
    opacity: 0.64;
}

.empty-state {
    display: grid;
    gap: 12px;
    justify-items: start;
}

.empty-state--large {
    padding: 28px;
}

.empty-state__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--muted);
    font-size: 12px;
}

.empty-state__title {
    margin: 0;
    font-size: 24px;
    line-height: 1.2;
}

.empty-state__body {
    margin: 0;
    color: var(--muted);
    line-height: 1.85;
}

.empty-state__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.empty-state__hint {
    color: var(--muted);
    font-size: 13px;
}

.button,
.button--ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 18px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.18);
}

.button:hover,
.button--ghost:hover,
.mini-button:hover {
    transform: translateY(-1px);
}

.button--ghost {
    background: #ffffff;
    color: var(--text);
    border-color: rgba(15, 23, 42, 0.12);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.section-head__title {
    margin: 6px 0 0;
    font-size: 22px;
    line-height: 1.2;
}

.section-head__meta {
    color: var(--muted);
    font-size: 13px;
}

.category-list {
    display: grid;
    gap: 18px;
}

.category-block {
    padding: 18px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.category-block__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.category-block__head strong {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
}

.category-block__head span,
.category-block__key {
    color: var(--muted);
    font-size: 12px;
}

.category-block__key {
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
}

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

.step-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.85;
}

.step-list li + li {
    margin-top: 10px;
}

.roadmap {
    display: grid;
    gap: 12px;
}

.roadmap__item {
    padding: 14px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.roadmap__item strong {
    display: block;
    margin-bottom: 6px;
}

.roadmap__item span {
    color: var(--muted);
    line-height: 1.75;
}

.form {
    display: grid;
    gap: 14px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.field {
    display: grid;
    gap: 8px;
}

.field span {
    color: var(--muted);
    font-size: 14px;
}

.field input {
    width: 100%;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 14px;
    padding: 14px 16px;
    color: var(--text);
    background: #ffffff;
    outline: none;
}

.field select {
    width: 100%;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 14px;
    padding: 14px 16px;
    color: var(--text);
    background: #ffffff;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form__hint {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-card {
    padding: 22px;
}

.result-card--wide {
    display: grid;
    gap: 18px;
}

.result-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.result-card__head h3 {
    margin: 0;
    font-size: 20px;
}

.tag {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.tag--warn {
    background: rgba(217, 119, 6, 0.12);
    color: var(--warn);
}

.tag--ok {
    background: rgba(22, 163, 74, 0.12);
    color: var(--ok);
}

.kv {
    margin: 0;
    display: grid;
    gap: 12px;
}

.kv div {
    display: grid;
    gap: 4px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.kv dt {
    color: var(--muted);
    font-size: 12px;
}

.kv dd {
    margin: 0;
    word-break: break-all;
    line-height: 1.65;
}

.section-title {
    margin: 18px 0 10px;
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    font-size: 12px;
}

.notes {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.notes li + li {
    margin-top: 6px;
}

.empty,
.excerpt {
    color: var(--muted);
    line-height: 1.75;
}

.chain {
    display: grid;
    gap: 10px;
}

.chain__item {
    display: grid;
    gap: 4px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

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

.chain__item small {
    color: var(--muted);
}

.chip--warn {
    background: rgba(217, 119, 6, 0.12);
    color: var(--warn);
}

.pagecode-result {
    display: grid;
    gap: 18px;
}

.pagecode-hero {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 16px;
}

.pagecode-hero__status {
    padding: 24px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 34%),
        #ffffff;
}

.pagecode-hero__status.is-blocked {
    background:
        radial-gradient(circle at top right, rgba(220, 38, 38, 0.12), transparent 34%),
        #ffffff;
}

.pagecode-hero__status.is-clear {
    background:
        radial-gradient(circle at top right, rgba(22, 163, 74, 0.10), transparent 34%),
        #ffffff;
}

.pagecode-hero__badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--muted);
    font-size: 12px;
}

.pagecode-hero__status h3 {
    margin: 14px 0 10px;
    font-size: 26px;
    line-height: 1.25;
}

.pagecode-hero__status p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
    word-break: break-all;
}

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

.pagecode-summary-card {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.07);
}

.pagecode-summary-card span {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pagecode-summary-card strong {
    font-size: 18px;
    line-height: 1.45;
    word-break: break-all;
}

.code-shell {
    display: grid;
    gap: 14px;
}

.code-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.code-toolbar__title {
    display: grid;
    gap: 4px;
}

.code-toolbar__title strong {
    font-size: 18px;
}

.code-toolbar__title span,
.code-toolbar__meta {
    color: var(--muted);
    font-size: 12px;
}

.code-view {
    overflow: auto;
    max-height: 74vh;
    border-radius: 18px;
    background: #0b1220;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.code-line {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
    padding: 0 16px;
    font-family: Consolas, "SFMono-Regular", "SFMono-Regular", Monaco, monospace;
    font-size: 13px;
    line-height: 1.75;
}

.code-line:nth-child(odd) {
    background: rgba(255, 255, 255, 0.02);
}

.code-line__num {
    padding: 0.35rem 0;
    color: rgba(148, 163, 184, 0.82);
    text-align: right;
    user-select: none;
}

.code-line__content {
    padding: 0.35rem 0;
    color: #e2e8f0;
    white-space: pre;
    overflow-wrap: normal;
    word-break: normal;
}

.token-tag {
    color: #7dd3fc;
    font-weight: 700;
}

.token-attr {
    color: #fbbf24;
}

.token-value {
    color: #86efac;
}

.token-comment {
    color: #94a3b8;
}

.token-doctype {
    color: #fda4af;
}

.token-text {
    color: #e2e8f0;
}

.code-empty {
    padding: 18px;
    color: var(--muted);
    background: #f8fafc;
    border: 1px dashed rgba(15, 23, 42, 0.12);
    border-radius: 14px;
}

.gzip-result-hero {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    gap: 16px;
}

.gzip-result-hero__status {
    padding: 24px;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 32%),
        #ffffff;
}

.gzip-result-hero__status.is-compressed {
    background:
        radial-gradient(circle at top right, rgba(217, 119, 6, 0.12), transparent 32%),
        #ffffff;
}

.gzip-result-hero__status.is-plain {
    background:
        radial-gradient(circle at top right, rgba(22, 163, 74, 0.10), transparent 32%),
        #ffffff;
}

.gzip-result-hero__badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
    color: var(--muted);
    font-size: 12px;
}

.gzip-result-hero__status h3 {
    margin: 14px 0 10px;
    font-size: 26px;
    line-height: 1.2;
}

.gzip-result-hero__status p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
    word-break: break-all;
}

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

.gzip-summary-card {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.07);
}

.gzip-summary-card span {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.gzip-summary-card strong {
    font-size: 18px;
    line-height: 1.45;
    word-break: break-all;
}

.gzip-compare {
    display: grid;
    gap: 10px;
}

.gzip-compare__row {
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
    border-radius: 14px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.gzip-compare__head {
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: #f8fafc;
}

.gzip-compare__row div {
    word-break: break-all;
}

.gzip-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.gzip-strip__item {
    padding: 14px 16px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.07);
}

.gzip-strip__item span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.gzip-strip__item strong {
    display: block;
    font-size: 18px;
    line-height: 1.4;
    word-break: break-all;
}

.header-stack {
    display: grid;
    gap: 16px;
}

.header-panel {
    padding: 16px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.07);
}

.header-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.header-panel__head strong {
    font-size: 16px;
}

.header-panel__head span {
    color: var(--muted);
    font-size: 12px;
}

.header-panel__actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.mini-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 6px 10px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 999px;
    background: #f8fafc;
    color: var(--text);
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.mini-button.is-success {
    border-color: rgba(15, 118, 110, 0.24);
    background: rgba(15, 118, 110, 0.10);
    color: var(--accent);
}

.header-block + .header-block {
    margin-top: 14px;
}

.header-block__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 12px;
}

.header-block__meta small {
    color: var(--muted);
}

.header-list {
    margin: 0;
    display: grid;
    gap: 8px;
}

.header-row {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.header-row dt {
    color: var(--muted);
    font-size: 12px;
}

.header-row dd {
    margin: 0;
    word-break: break-all;
    line-height: 1.65;
}

.site-ad {
    max-width: 1180px;
    margin: 0 auto 18px;
    padding: 18px 20px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(239, 246, 255, 0.95));
    box-shadow: var(--shadow);
}

.site-ad__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.site-ad__badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.10);
    color: var(--accent-2);
    font-size: 12px;
    font-weight: 700;
}

.site-ad__hint {
    color: var(--muted);
    font-size: 12px;
}

.site-ad__text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.site-ad__copy strong {
    display: block;
    margin-bottom: 6px;
    font-size: 18px;
}

.site-ad__copy p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.site-ad__banner {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 18px;
    min-height: 140px;
    background: #e2e8f0;
}

.site-ad__banner img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 140px;
    object-fit: cover;
}

.site-ad__overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 18px 20px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.05), rgba(15, 23, 42, 0.72));
    color: #ffffff;
}

.site-ad__overlay strong {
    display: block;
    margin-bottom: 4px;
    font-size: 18px;
}

.site-ad__overlay span {
    display: block;
    color: rgba(255, 255, 255, 0.92);
    font-size: 13px;
    line-height: 1.6;
}

.site-footer {
    max-width: 1180px;
    margin: 22px auto 0;
    padding: 24px;
    border-radius: 24px;
    border: 1px solid var(--panel-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 251, 0.95));
    box-shadow: var(--shadow);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 18px;
}

.site-footer__section {
    min-width: 0;
}

.site-footer__title {
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 700;
}

.site-footer__body {
    margin: 0;
    color: var(--muted);
    line-height: 1.85;
}

.site-footer__list {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.8;
}

.site-footer__qrs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.site-qr-card {
    margin: 0;
    padding: 12px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.site-qr-card__media {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.site-qr-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.site-qr-card__placeholder {
    height: 100%;
    display: grid;
    place-items: center;
    gap: 6px;
    text-align: center;
    color: var(--muted);
}

.site-qr-card figcaption {
    margin-top: 10px;
    font-weight: 700;
}

.site-qr-card small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    line-height: 1.5;
}

.empty-state--search {
    align-items: stretch;
}

@media (max-width: 980px) {
    .container,
    .grid,
    .gzip-result-hero {
        grid-template-columns: 1fr;
    }

    .home-hero,
    .home-hero__stats,
    .tool-grid,
    .tool-grid--featured,
    .tool-grid--compact,
    .grid--home {
        grid-template-columns: 1fr;
    }

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

    .gzip-summary-grid,
    .gzip-compare__row,
    .pagecode-hero,
    .pagecode-summary-grid {
        grid-template-columns: 1fr;
    }

    .code-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-footer__grid,
    .site-footer__qrs {
        grid-template-columns: 1fr;
    }

    .section-head,
    .category-block__head,
    .header-panel__head {
        align-items: flex-start;
        flex-direction: column;
    }

    .tool-filterbar {
        gap: 8px;
    }

    .tool-filter {
        width: calc(50% - 4px);
        justify-content: space-between;
    }

    .hero h1 {
        font-size: 28px;
    }
}

@media (max-width: 640px) {
    .app-shell {
        padding: 18px 12px 28px;
    }

    .hero,
    .panel,
    .result-card {
        border-radius: 18px;
    }

    .hero {
        padding: 22px 20px;
    }

    .tool-filter {
        width: 100%;
    }

    .empty-state__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .empty-state__actions .button,
    .empty-state__actions .button--ghost {
        width: 100%;
    }

    .site-ad__head {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-ad__text {
        display: grid;
    }

    .gzip-strip {
        grid-template-columns: 1fr;
    }
}