.l2s-root {
    --l2s-ink: var(--n-text);
    --l2s-mute: var(--n-text-3);
    --l2s-line: var(--n-border);
    animation: l2s-in 0.55s ease both;
}

@keyframes l2s-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.l2s-grid {
    align-items: stretch;
}

.l2s-panel {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 1.35rem 1.4rem;
    border: 1px solid var(--l2s-line);
    border-radius: var(--n-radius);
    background:
        linear-gradient(145deg, var(--n-accent-soft) 0%, transparent 42%),
        var(--n-bg);
    box-shadow: var(--n-shadow);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.l2s-panel:focus-within {
    border-color: color-mix(in srgb, var(--n-accent) 35%, var(--l2s-line));
    box-shadow: var(--n-shadow), 0 0 0 1px var(--n-accent-soft);
}

.l2s-panel-head {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 1.1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--n-border-light);
}

.l2s-step {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--n-accent);
    background: var(--n-bg-soft);
    border: 1px solid var(--n-border);
    border-radius: var(--n-radius-sm);
    font-family: var(--n-font-mono), serif;
}

.l2s-panel-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--l2s-ink);
    line-height: 1.25;
    margin: 0 0 0.2rem;
    letter-spacing: -0.02em;
}

.l2s-panel-desc {
    margin: 0;
    font-size: 0.82rem;
    color: var(--n-text-2);
    line-height: 1.45;
}

.l2s-sample {
    margin-left: auto;
    align-self: center;
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--n-accent);
    background: transparent;
    border: 1px dashed color-mix(in srgb, var(--n-accent) 45%, var(--l2s-line));
    border-radius: 999px;
    cursor: pointer;
    transition: var(--n-transition);
    white-space: nowrap;
}

.l2s-sample:hover {
    background: var(--n-accent-soft);
    border-style: solid;
}

.l2s-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-top: 0.85rem;
    font-size: 0.78rem;
    font-family: var(--n-font-mono), serif;
    color: var(--l2s-mute);
}

.l2s-meta span {
    padding: 0.15rem 0.55rem;
    background: var(--n-bg-soft);
    border-radius: 4px;
    border: 1px solid var(--n-border-light);
}

.l2s-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.l2s-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.l2s-mysql {
    margin-top: auto;
    padding-top: 1rem;
}

.l2s-mysql pre {
    margin: 0;
    padding: 0.85rem 1rem;
    background: var(--n-bg-soft);
    border: 1px solid var(--n-border);
    border-radius: var(--n-radius-sm);
    font-family: var(--n-font-mono), serif;
    font-size: 0.8rem;
    line-height: 1.65;
    color: var(--n-text);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.l2s-mysql pre .l2s-in-list {
    color: var(--n-accent);
    font-weight: 600;
}

.l2s-help {
    margin-top: 2rem;
    padding: 0;
    border-radius: var(--n-radius);
    background: linear-gradient(180deg, var(--n-bg-soft) 0%, var(--n-bg) 100%);
    border: 1px solid var(--n-border);
    overflow: hidden;
}

.l2s-help h3 {
    margin: 0;
    padding: 1rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--n-border-light);
    background: var(--n-bg);
}

.l2s-help-list {
    list-style: none;
    margin: 0;
    padding: 0.4rem 0;
}

.l2s-help-list li {
    display: flex;
    gap: 0.75rem;
    padding: 0.65rem 1.25rem;
    font-size: 0.88rem;
    color: var(--n-text-2);
    border-bottom: 1px solid var(--n-border-light);
}

.l2s-help-list li:last-child {
    border-bottom: none;
}

.l2s-help-num {
    flex-shrink: 0;
    width: 1.4rem;
    height: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    background: var(--n-accent);
    border-radius: 6px;
    line-height: 1;
}

.l2s-help-list strong {
    color: var(--n-text);
}

.l2s-btn[disabled],
.l2s-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}