.ai-seo-page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 34px 20px 56px;
    color: var(--text-strong);
}

.ai-seo-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 22px;
    align-items: stretch;
    margin-bottom: 24px;
}

.tool-kicker {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 12px;
    padding: 7px 12px;
    border: 1px solid var(--header-border);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ai-seo-hero h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.55rem);
    line-height: 1.04;
    letter-spacing: 0;
}

.ai-seo-hero p {
    max-width: 760px;
    margin: 14px 0 0;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.7;
}

.ai-seo-score-card,
.ai-seo-loading,
.ai-seo-results,
.ai-seo-tips-grid article,
.ai-seo-check-group {
    border: 1px solid var(--header-border);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.ai-seo-score-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 22px;
}

.ai-seo-score-card strong {
    color: #2563eb;
    font-family: var(--font-display);
    font-size: 2.4rem;
    line-height: 1;
}

.ai-seo-score-card span {
    font-weight: 900;
}

.ai-seo-score-card small,
.ai-seo-check small {
    color: var(--text-muted);
    line-height: 1.45;
}

.ai-seo-form-panel {
    margin-bottom: 18px;
}

.ai-seo-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.ai-seo-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
}

.ai-seo-input-row input {
    width: 100%;
    border: 3px solid #2563eb;
    border-radius: 14px;
    background: var(--panel-soft);
    color: var(--text-strong);
    padding: 14px 16px;
    font: inherit;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14), 0 14px 34px rgba(37, 99, 235, 0.14);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.ai-seo-input-row input:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.24), 0 18px 38px rgba(37, 99, 235, 0.18);
}

.ai-seo-input-row button {
    border: 0;
    border-radius: 14px;
    background: var(--accent);
    color: var(--accent-contrast);
    padding: 0 26px;
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease;
}

.ai-seo-input-row button:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
}

.ai-seo-input-row button:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none;
}

.ai-seo-loading {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px;
    margin-bottom: 18px;
    background: var(--panel-soft);
}

.ai-seo-spinner {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--header-border);
    border-top-color: #2563eb;
    animation: aiSeoSpin 0.85s linear infinite;
}

.ai-seo-loading p {
    margin: 4px 0 0;
    color: var(--text-muted);
}

.ai-seo-results {
    padding: 22px;
    margin-bottom: 18px;
}

.ai-seo-result-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-bottom: 18px;
}

.ai-seo-result-head h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.35rem;
}

.ai-seo-result-head p {
    margin: 6px 0 0;
    color: var(--text-muted);
    word-break: break-word;
}

.ai-seo-grade {
    min-width: 110px;
    text-align: center;
    border-radius: 8px;
    background: var(--panel-soft);
    padding: 12px;
}

.ai-seo-grade strong {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    line-height: 1;
}

.ai-seo-grade span {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: 900;
}

.ai-seo-grade .good { color: #059669; }
.ai-seo-grade .warn { color: #d97706; }
.ai-seo-grade .bad { color: #dc2626; }

.ai-seo-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.ai-seo-summary-item {
    border-radius: 8px;
    background: var(--panel-soft);
    padding: 14px;
}

.ai-seo-summary-item strong {
    display: block;
    word-break: break-word;
}

.ai-seo-summary-item span {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.ai-seo-checks {
    display: grid;
    gap: 14px;
}

.ai-seo-check-group {
    padding: 16px;
}

.ai-seo-check-group h3 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 1.02rem;
}

.ai-seo-check {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--header-border);
}

.ai-seo-check:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.ai-seo-badge {
    align-self: start;
    border-radius: 999px;
    padding: 6px 10px;
    text-align: center;
    font-size: 0.76rem;
    font-weight: 900;
}

.ai-seo-check.pass .ai-seo-badge { background: #dcfce7; color: #166534; }
.ai-seo-check.warn .ai-seo-badge { background: #fef3c7; color: #92400e; }
.ai-seo-check.fail .ai-seo-badge { background: #fee2e2; color: #991b1b; }

.ai-seo-check strong {
    display: block;
}

.ai-seo-check p {
    margin: 4px 0 3px;
    color: var(--text-soft);
}

.ai-seo-tips-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.ai-seo-tips-grid article {
    padding: 18px;
}

.ai-seo-tips-grid strong {
    display: block;
    margin-bottom: 8px;
}

.ai-seo-tips-grid span {
    color: var(--text-muted);
    line-height: 1.55;
}

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

@keyframes aiSeoSpin {
    to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
    .ai-seo-hero,
    .ai-seo-summary,
    .ai-seo-tips-grid {
        grid-template-columns: 1fr;
    }

    .ai-seo-input-row,
    .ai-seo-result-head {
        grid-template-columns: 1fr;
        display: grid;
    }

    .ai-seo-input-row button {
        min-height: 50px;
    }

    .ai-seo-check {
        grid-template-columns: 1fr;
    }

    .ai-seo-badge {
        width: fit-content;
    }
}