/* SQL Formatter */
.tool-interface { padding: var(--spacing-2xl) 0; }

.sql-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.sql-control-group { display: flex; align-items: center; gap: var(--spacing-sm); }
.sql-control-group--actions { margin-left: auto; gap: var(--spacing-sm); }
.sql-label { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text-light); white-space: nowrap; }

.seg-buttons { display: flex; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.seg-btn {
    padding: 5px 14px;
    font-size: var(--font-size-sm);
    font-family: 'JetBrains Mono', monospace;
    background: var(--color-background);
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
    border-right: 1px solid var(--color-border);
}
.seg-btn:last-child { border-right: none; }
.seg-btn.active { background: var(--color-primary); color: #fff; }
.seg-btn:hover:not(.active) { background: var(--color-background-alt); }

.sql-editor-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}
.sql-pane { display: flex; flex-direction: column; }
.sql-pane-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: var(--spacing-sm);
}
.sql-textarea {
    flex: 1;
    width: 100%;
    min-height: 420px;
    padding: var(--spacing-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.65;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-background-alt);
    color: var(--color-text);
    resize: vertical;
    tab-size: 2;
}
.sql-textarea:focus { outline: none; border-color: var(--color-primary); }
.sql-output { cursor: default; }

.sql-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    text-align: right;
}
.sql-hint kbd {
    display: inline-block;
    padding: 1px 5px;
    font-size: 11px;
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background: var(--color-background);
}

.status-message { padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-md); margin-top: var(--spacing-sm); min-height: 32px; font-size: var(--font-size-sm); }
.status-message.success { background: rgba(34,197,94,.12); color: #15803d; border: 1px solid rgba(34,197,94,.3); }
.status-message.error   { background: rgba(239,68,68,.10); color: #b91c1c; border: 1px solid rgba(239,68,68,.3); }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: var(--spacing-xl); margin-top: var(--spacing-xl); }
.info-card { background: var(--color-background-alt); padding: var(--spacing-xl); border-radius: var(--radius-lg); }
.info-card h3 { margin-bottom: var(--spacing-md); color: var(--color-primary); }
.info-card ul { padding-left: var(--spacing-lg); display: flex; flex-direction: column; gap: 6px; }
.info-card li { font-size: var(--font-size-sm); color: var(--color-text-light); }

.related-tools { padding: var(--spacing-2xl) 0; }
.related-tools .tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: var(--spacing-lg); margin-top: var(--spacing-xl); }
.visually-hidden { position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }

@media (max-width: 768px) {
    .sql-editor-split { grid-template-columns: 1fr; }
    .sql-textarea { min-height: 260px; }
    .sql-control-group--actions { margin-left: 0; width: 100%; flex-wrap: wrap; }
    .sql-controls { flex-direction: column; align-items: flex-start; }
}