#main-content {
    min-height: 60vh;
}

.lpi-seo-intro {
    width: min(calc(100% - 32px), 900px);
    margin: 0 auto;
    padding: 54px 0 18px;
    text-align: center;
}

.lpi-seo-intro h1 {
    max-width: 820px;
    margin: 0 auto 16px;
    color: var(--lpi-color-heading);
    font-size: clamp(2rem, 5vw, 3.35rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.lpi-seo-intro h1::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    margin: 18px auto 0;
    border-radius: var(--lpi-radius-full);
    background: linear-gradient(
        90deg,
        var(--lpi-color-primary),
        var(--lpi-color-accent)
    );
}

.lpi-seo-intro p {
    max-width: 760px;
    margin: 0 auto;
    color: var(--lpi-color-text-muted);
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    line-height: 1.75;
}

.lpi-generator,
.lpi-tool,
.lpi-generator-card {
    width: min(calc(100% - 32px), 1000px);
    margin-inline: auto;
    box-sizing: border-box;
}

.lpi-card,
.lpi-panel {
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-2xl);
    background: var(--lpi-color-surface);
    box-shadow: var(--lpi-shadow-sm);
}

.lpi-generator textarea,
.lpi-tool textarea,
.lpi-generator input[type="text"],
.lpi-tool input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    min-height: 120px;
    padding: 16px;
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-lg);
    background: var(--lpi-color-surface-soft);
    color: var(--lpi-color-text);
    font-size: 1rem;
    line-height: 1.65;
    resize: vertical;
    transition:
        border-color var(--lpi-transition-fast),
        box-shadow var(--lpi-transition-fast),
        background-color var(--lpi-transition-fast);
}

.lpi-generator textarea:focus,
.lpi-tool textarea:focus,
.lpi-generator input[type="text"]:focus,
.lpi-tool input[type="text"]:focus {
    border-color: var(--lpi-color-primary);
    background: var(--lpi-color-surface);
    box-shadow: 0 0 0 4px rgba(109, 93, 252, 0.10);
    outline: none;
}

.lpi-result,
.lpi-results {
    margin-top: 20px;
}

.lpi-result-item,
.lpi-output {
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-lg);
    background: var(--lpi-color-surface);
    transition:
        transform var(--lpi-transition-fast),
        border-color var(--lpi-transition-fast),
        box-shadow var(--lpi-transition-fast);
}

.lpi-result-item:hover,
.lpi-output:hover {
    border-color: var(--lpi-color-primary);
    box-shadow: var(--lpi-shadow-sm);
    transform: translateY(-1px);
}

.lpi-section {
    width: min(
        calc(100% - 32px),
        var(--lpi-container-page)
    );
    margin: 42px auto 0;
}

.lpi-section-title {
    margin-bottom: 8px;
    color: var(--lpi-color-heading);
    font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.lpi-section-description {
    max-width: 720px;
    margin-bottom: 22px;
    color: var(--lpi-color-text-muted);
    line-height: 1.7;
}

.lpi-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 14px;
}

.lpi-tool-card {
    position: relative;
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    align-content: start;
    align-items: start;
    column-gap: 14px;
    padding: 16px 18px;
    overflow: hidden;
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-lg);
    background:
        linear-gradient(
            180deg,
            var(--lpi-color-surface) 0%,
            var(--lpi-color-surface-soft) 100%
        );
    box-shadow: var(--lpi-shadow-xs);
    color: inherit;
    text-decoration: none;
    transition:
        transform var(--lpi-transition-normal),
        border-color var(--lpi-transition-normal),
        box-shadow var(--lpi-transition-normal);
}

.lpi-tool-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(
        180deg,
        var(--lpi-color-primary),
        var(--lpi-color-accent)
    );
    opacity: 0;
    transition: opacity var(--lpi-transition-normal);
}

.lpi-tool-card:hover,
.lpi-tool-card:focus-visible {
    border-color: rgba(109, 93, 252, 0.40);
    box-shadow: var(--lpi-shadow-md);
    transform: translateY(-3px);
}

.lpi-tool-card:hover::before,
.lpi-tool-card:focus-visible::before {
    opacity: 1;
}

.lpi-tool-card:focus-visible {
    outline: 3px solid var(--lpi-color-primary);
    outline-offset: 2px;
}

.lpi-tool-card__icon {
    display: inline-grid;
    grid-row: 1 / span 2;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 12px;
    background:
        linear-gradient(
            135deg,
            var(--lpi-color-primary-soft),
            var(--lpi-color-accent-soft)
        );
    box-shadow: inset 0 0 0 1px var(--lpi-color-border-soft);
    font-size: 1.2rem;
    line-height: 1;
    transition: transform var(--lpi-transition-normal);
}

.lpi-tool-card:hover .lpi-tool-card__icon {
    transform: scale(1.08) rotate(-4deg);
}

.lpi-tool-card h3 {
    margin: 0 0 4px;
    padding-right: 18px;
    color: var(--lpi-color-heading);
    font-size: 0.98rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.lpi-tool-card p {
    margin: 0;
    color: var(--lpi-color-text-muted);
    font-size: 0.85rem;
    line-height: 1.55;
}

.lpi-tool-card::after {
    content: "\2192" / "";
    position: absolute;
    top: 14px;
    right: 16px;
    color: var(--lpi-color-primary);
    font-size: 1rem;
    font-weight: 700;
    opacity: 0;
    transform: translateX(-6px);
    transition:
        opacity var(--lpi-transition-normal),
        transform var(--lpi-transition-normal);
}

.lpi-tool-card:hover::after,
.lpi-tool-card:focus-visible::after {
    opacity: 1;
    transform: translateX(0);
}

.lpi-section-title {
    position: relative;
    padding-bottom: 12px;
}

.lpi-section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 44px;
    height: 4px;
    border-radius: var(--lpi-radius-full);
    background: linear-gradient(
        90deg,
        var(--lpi-color-primary),
        var(--lpi-color-accent)
    );
}

.lpi-seo-content {
    width: min(
        calc(100% - 32px),
        1000px
    );
    margin: 58px auto 0;
    padding: 0 0 30px;
    color: var(--lpi-color-text);
}

.lpi-seo-content h2 {
    max-width: 900px;
    margin: 0 0 10px;
    color: var(--lpi-color-heading);
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.lpi-seo-content h2:not(:first-child) {
    margin-top: 36px;
}

.lpi-seo-content p {
    max-width: 900px;
    margin: 0;
    color: var(--lpi-color-text-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.lpi-seo-content p + p,
.lpi-seo-content p + ul,
.lpi-seo-content p + ol,
.lpi-seo-content p + table,
.lpi-seo-content ul + p,
.lpi-seo-content ol + p,
.lpi-seo-content table + h2,
.lpi-seo-content figure + h2 {
    margin-top: 14px;
}

.lpi-seo-content h3 {
    max-width: 900px;
    margin: 26px 0 8px;
    color: var(--lpi-color-heading);
    font-size: 1.15rem;
    line-height: 1.4;
}

.lpi-seo-content ul,
.lpi-seo-content ol {
    max-width: 900px;
    margin: 12px 0 0;
    padding-left: 1.3rem;
    color: var(--lpi-color-text-muted);
    line-height: 1.75;
}

.lpi-seo-content ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 22px;
}

.lpi-seo-content ul li {
    position: relative;
    padding-left: 1.5rem;
}

.lpi-seo-content ul li::before {
    content: "";
    position: absolute;
    left: 0.15rem;
    top: 0.65em;
    width: 8px;
    height: 8px;
    border-radius: var(--lpi-radius-full);
    background: linear-gradient(
        135deg,
        var(--lpi-color-primary),
        var(--lpi-color-accent)
    );
}

.lpi-seo-content ol li {
    padding-left: 0.3rem;
    margin-bottom: 6px;
}

.lpi-seo-content ol li::marker {
    color: var(--lpi-color-primary);
    font-weight: 700;
}

.lpi-seo-content table {
    width: 100%;
    max-width: 900px;
    margin-top: 16px;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-lg);
    background: var(--lpi-color-surface);
    font-size: 0.95rem;
}

.lpi-seo-content th,
.lpi-seo-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--lpi-color-border-soft);
    text-align: left;
    vertical-align: middle;
    overflow-wrap: anywhere;
}

.lpi-seo-content th {
    background: var(--lpi-color-primary-subtle);
    color: var(--lpi-color-heading);
    font-weight: 700;
}

.lpi-seo-content td {
    color: var(--lpi-color-text);
}

.lpi-seo-content tbody tr:last-child td {
    border-bottom: 0;
}

.lpi-seo-content tbody tr:nth-child(even) td {
    background: var(--lpi-color-surface-soft);
}

.lpi-seo-content figure {
    max-width: 900px;
    margin: 28px 0 0;
}

.lpi-seo-content figure img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--lpi-color-border);
    border-radius: var(--lpi-radius-xl);
    box-shadow: var(--lpi-shadow-sm);
}

/* =========================================================
   RELATED / POPULAR TOOLS (compact: icon + title only)
   ========================================================= */

.lpi-related-tools .lpi-section-title {
    margin-bottom: 20px;
}

.lpi-related-tools .lpi-tool-card {
    align-items: center;
    min-height: 68px;
    padding: 14px 16px;
}

.lpi-related-tools .lpi-tool-card__icon {
    grid-row: auto;
}

.lpi-related-tools .lpi-tool-card h3 {
    margin: 0;
}

.lpi-related-tools .lpi-tool-card p {
    display: none;
}

.lpi-related-tools .lpi-tool-card::after {
    top: 50%;
    transform: translate(-6px, -50%);
}

.lpi-related-tools .lpi-tool-card:hover::after,
.lpi-related-tools .lpi-tool-card:focus-visible::after {
    transform: translate(0, -50%);
}

.lpi-related-tools p > a.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border: 1px solid var(--lpi-color-border-strong);
    border-radius: var(--lpi-radius-full);
    background: var(--lpi-color-surface);
    color: var(--lpi-color-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--lpi-shadow-xs);
    transition:
        transform var(--lpi-transition-normal),
        border-color var(--lpi-transition-normal),
        box-shadow var(--lpi-transition-normal),
        background-color var(--lpi-transition-normal);
}

.lpi-related-tools p > a.btn::after {
    content: "\2192" / "";
}

.lpi-related-tools p > a.btn:hover,
.lpi-related-tools p > a.btn:focus-visible {
    border-color: var(--lpi-color-primary);
    background: var(--lpi-color-primary-subtle);
    box-shadow: var(--lpi-shadow-sm);
    transform: translateY(-2px);
}

@media (max-width: 560px) {
    .lpi-seo-content ul {
        grid-template-columns: 1fr;
    }

    .lpi-seo-content table {
        font-size: 0.88rem;
    }

    .lpi-seo-content th,
    .lpi-seo-content td {
        padding: 10px 12px;
    }

    .lpi-seo-intro {
        padding-top: 36px;
    }

    .lpi-seo-intro h1 {
        font-size: clamp(1.8rem, 9vw, 2.4rem);
    }

    .lpi-section {
        margin-top: 32px;
    }

    .lpi-seo-content {
        width: calc(100% - 32px);
        margin-top: 46px;
        padding-bottom: 20px;
    }

    .lpi-seo-content h2 {
        font-size: 1.45rem;
        line-height: 1.3;
    }

    .lpi-seo-content h2:not(:first-child) {
        margin-top: 30px;
    }

    .lpi-seo-content p {
        font-size: 0.95rem;
        line-height: 1.7;
    }
}






/* lpi-404-page */


.lpi-404-page{min-height:calc(100vh - 160px);display:grid;place-items:center;padding:72px 20px 88px}
.lpi-404-wrap{width:min(100%,860px);text-align:center}
.lpi-404-card{position:relative;overflow:hidden;border:1px solid var(--border-color,rgba(127,127,127,.18));border-radius:28px;padding:54px 28px 40px;background:radial-gradient(circle at 50% 0%,rgba(109,93,252,.16),transparent 42%),var(--bg-surface,var(--color-bg-secondary,#fff));box-shadow:0 24px 70px rgba(30,30,70,.10)}
.lpi-404-card::before,.lpi-404-card::after{content:"";position:absolute;border-radius:999px;pointer-events:none;filter:blur(4px)}
.lpi-404-card::before{width:180px;height:180px;top:-100px;left:-80px;background:rgba(109,93,252,.10)}
.lpi-404-card::after{width:220px;height:220px;right:-110px;bottom:-130px;background:rgba(91,214,190,.10)}
.lpi-404-code{margin:0;font-size:clamp(5.5rem,18vw,10rem);line-height:.88;font-weight:900;letter-spacing:-.07em;background:linear-gradient(135deg,#6d5dfc 0%,#8a7cff 42%,#23b8a6 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 16px 36px rgba(109,93,252,.10)}
.lpi-404-title{margin:28px 0 12px;font-size:clamp(1.65rem,4vw,2.45rem);line-height:1.18;font-weight:800;color:var(--color-text,#17171c)}
.lpi-404-text{width:min(100%,620px);margin:0 auto;font-size:1rem;line-height:1.75;color:var(--color-text-muted,#666873)}
.lpi-404-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.lpi-404-actions .btn{min-width:150px}
.lpi-404-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px;text-align:left}
.lpi-404-link-card{display:block;padding:17px 17px 15px;border:1px solid var(--border-color,rgba(127,127,127,.16));border-radius:18px;background:var(--bg-surface,rgba(255,255,255,.72));text-decoration:none;transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease}
.lpi-404-link-card:hover,.lpi-404-link-card:focus-visible{transform:translateY(-3px);border-color:rgba(109,93,252,.35);box-shadow:0 12px 30px rgba(30,30,70,.08)}
.lpi-404-link-label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#6d5dfc;margin-bottom:5px}
.lpi-404-link-title{display:block;font-size:.98rem;font-weight:750;color:var(--color-text,#17171c)}
.lpi-404-link-desc{display:block;margin-top:4px;font-size:.84rem;line-height:1.5;color:var(--color-text-muted,#666873)}
.lpi-404-tip{margin-top:24px;font-size:.84rem;color:var(--color-text-muted,#666873)}
@media(max-width:760px){.lpi-404-page{min-height:calc(100vh - 120px);padding:48px 16px 64px}.lpi-404-card{border-radius:22px;padding:42px 18px 28px}.lpi-404-links{grid-template-columns:1fr}.lpi-404-actions{flex-direction:column}.lpi-404-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.lpi-404-link-card{transition:none}}