.sql-tool-card {
    background: #ffffff;
    border: 1px solid #e4e8ef;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.sql-toolbar {
    display: grid;
    gap: 16px;
}

.sql-toolbar-row {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    align-items: end;
}

.sql-field label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.sql-field select,
.sql-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d6dbe4;
    border-radius: 10px;
    background: #ffffff;
    font-size: 0.95rem;
    color: #0f172a;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sql-field select:focus,
.sql-field input:focus {
    outline: none;
    border-color: #2f6fed;
    box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
}

.sql-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid #d6dbe4;
    border-radius: 10px;
    background: #f8fafc;
    font-size: 0.95rem;
    color: #0f172a;
}

.sql-toggle input {
    width: 16px;
    height: 16px;
}

.sql-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary,
.btn-ghost,
.btn-chip {
    border-radius: 10px;
    font-size: 0.95rem;
    padding: 10px 16px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background: #2f6fed;
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(47, 111, 237, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 22px rgba(47, 111, 237, 0.3);
}

.btn-ghost {
    background: #ffffff;
    border-color: #d6dbe4;
    color: #0f172a;
}

.btn-ghost:hover {
    border-color: #2f6fed;
    color: #1d4ed8;
}

.btn-chip {
    background: #f1f5f9;
    color: #0f172a;
    padding: 8px 14px;
    border-radius: 999px;
}

.sql-notice {
    display: none;
    font-size: 0.92rem;
    border-radius: 10px;
    padding: 10px 12px;
}

.sql-notice.is-visible {
    display: block;
}

.sql-notice.is-error {
    background: #fff1f2;
    color: #b42318;
    border: 1px solid #fda4af;
}

.sql-notice.is-success {
    background: #ecfdf3;
    color: #027a48;
    border: 1px solid #6ce9a6;
}

.sql-editors {
    display: grid;
    gap: 16px;
    margin-top: 18px;
}

.editor-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.editor-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e2e8f0;
    background: #ffffff;
    gap: 12px;
}

.editor-title {
    font-weight: 600;
    color: #0f172a;
}

.editor-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.editor-badge {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    background: #f1f5f9;
    padding: 6px 10px;
    border-radius: 999px;
}

.editor-surface {
    height: 320px;
}

.sql-stats {
    display: grid;
    gap: 12px;
    margin-top: 18px;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.stat {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px 14px;
}

.stat-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
}

.sql-guide {
    margin-top: 28px;
}

.sql-guide-grid {
    display: grid;
    gap: 16px;
}

.sql-guide-card {
    background: #ffffff;
    border: 1px solid #e5e9f0;
    border-radius: 16px;
    padding: 18px;
}

.sql-guide-card h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #0f172a;
}

.sql-guide-card p {
    margin-bottom: 10px;
    color: #475569;
}

.sql-guide-card ul {
    margin: 0;
    padding-left: 18px;
    color: #475569;
}

.sql-guide-card li {
    margin-bottom: 8px;
}

.sql-sample {
    margin-top: 12px;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 12px;
    padding: 12px;
    font-size: 0.85rem;
    overflow: auto;
}

.sql-sample-title {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 6px;
}

.sql-sample pre {
    margin: 0;
}

.sql-sample code {
    color: inherit;
}

@media (min-width: 768px) {
    .sql-tool-card {
        padding: 26px;
    }

    .editor-surface {
        height: 360px;
    }
}

@media (min-width: 992px) {
    .sql-editors {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sql-guide-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .sql-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-ghost {
        width: 100%;
    }
}