.toolvit-tool-page {
    margin: 32px 0;
}

.toolvit-main-title {
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 10px;
}

.toolvit-intro-title {
    font-size: 16px;
    color: #475569;
    margin-bottom: 18px;
}

.toolvit-tool-box,
.toolvit-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.toolvit-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.toolvit-form-grid {
    display: grid;
    grid-template-columns: 220px;
    gap: 16px;
}

.toolvit-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0f172a;
}

.toolvit-textarea,
.toolvit-input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #cbd5e1;
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 15px;
    background: #fff;
}

.toolvit-textarea {
    min-height: 240px;
    resize: vertical;
}

.toolvit-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    margin-bottom: 18px;
}

.toolvit-btn {
    border: 0;
    border-radius: 12px;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    background: #0f172a;
    color: #fff;
}

.toolvit-btn:hover {
    opacity: .94;
}

.toolvit-btn-secondary {
    background: #2563eb;
}

.toolvit-btn-light {
    background: #e2e8f0;
    color: #0f172a;
}

.toolvit-result-box {
    margin-top: 18px;
    padding: 18px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.toolvit-result-label {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 6px;
}

.toolvit-result-value {
    font-size: 24px;
    font-weight: 700;
    color: #0f172a;
    word-break: break-word;
}

.toolvit-checkboxes {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    margin-bottom: 18px;
}

.toolvit-message {
    margin-top: 12px;
    font-size: 14px;
}

.toolvit-message.success {
    color: #166534;
}

.toolvit-message.error {
    color: #b91c1c;
}

.toolvit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.toolvit-grid-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.toolvit-grid-title {
    font-size: 20px;
    margin: 0 0 10px;
}

.toolvit-grid-title a {
    text-decoration: none;
}

.toolvit-grid-excerpt {
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 14px;
}

.toolvit-grid-link {
    display: inline-block;
    text-decoration: none;
    font-weight: 700;
}

.toolvit-related-tools {
    margin-top: 36px;
}

.toolvit-related-tools h2 {
    font-size: 26px;
    margin-bottom: 16px;
}

.toolvit-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.toolvit-related-card {
    display: block;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 16px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.toolvit-notice-error,
.toolvit-notice-info {
    padding: 14px 16px;
    border-radius: 12px;
}

.toolvit-notice-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.toolvit-notice-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
}

@media (max-width: 768px) {
    .toolvit-two-col {
        grid-template-columns: 1fr;
    }

    .toolvit-main-title {
        font-size: 28px;
    }

    .toolvit-tool-box,
    .toolvit-panel {
        padding: 18px;
    }
}