/* --- SQL Query Builder (sqb) - mobile first --- */
.sqb {
    --sqb-bg: #fff;
    --sqb-bg-alt: #f8fafc;
    --sqb-border: #e2e8f0;
    --sqb-border-focus: #3b82f6;
    --sqb-text: #0f172a;
    --sqb-muted: #64748b;
    --sqb-primary: #2563eb;
    --sqb-primary-hover: #1d4ed8;
    --sqb-success: #059669;
    --sqb-danger: #dc2626;
    --sqb-radius: 0.75rem;
    --sqb-radius-sm: 0.5rem;
    --sqb-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --sqb-shadow-lg: 0 10px 40px rgba(15, 23, 42, 0.1);
}

.sqb__layout {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sqb__builder,
.sqb__output {
    background: var(--sqb-bg);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius);
    box-shadow: var(--sqb-shadow);
    padding: 1.25rem;
}

.sqb__block {
    margin-bottom: 1.25rem;
}

.sqb__block:last-child {
    margin-bottom: 0;
}

.sqb__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sqb-text);
    margin-bottom: 0.375rem;
}

.sqb__select,
.sqb__input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.4;
    color: var(--sqb-text);
    background: var(--sqb-bg);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.sqb__select:focus,
.sqb__input:focus {
    outline: none;
    border-color: var(--sqb-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.sqb__query-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sqb__type {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sqb-muted);
    background: var(--sqb-bg-alt);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.sqb__type:hover {
    color: var(--sqb-text);
    background: #f1f5f9;
}

.sqb__type_active {
    color: #fff;
    background: var(--sqb-primary);
    border-color: var(--sqb-primary);
}

.sqb__type_active:hover {
    background: var(--sqb-primary-hover);
    border-color: var(--sqb-primary-hover);
}

.sqb__config_hidden {
    display: none !important;
}

.sqb__config {
    margin-top: 0.5rem;
}

.sqb__row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sqb__conditions,
.sqb__fields {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.sqb__condition,
.sqb__field {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.sqb__condition input,
.sqb__condition select,
.sqb__field input {
    flex: 1;
    min-width: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--sqb-text);
    background: var(--sqb-bg);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
}

.sqb__condition select {
    flex: 0 0 auto;
    width: 5.5rem;
}

.sqb__add {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sqb-success);
    background: transparent;
    border: 1px solid var(--sqb-success);
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}

.sqb__add:hover {
    color: #fff;
    background: var(--sqb-success);
}

.sqb__remove {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    padding: 0;
    font-size: 1.125rem;
    line-height: 1;
    color: #fff;
    background: var(--sqb-danger);
    border: none;
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: opacity 0.15s;
}

.sqb__remove:hover {
    opacity: 0.9;
}

.sqb__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--sqb-border);
}

.sqb__btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.sqb__btn_primary {
    color: #fff;
    background: var(--sqb-primary);
    border: none;
}

.sqb__btn_primary:hover {
    background: var(--sqb-primary-hover);
}

.sqb__btn_secondary {
    color: var(--sqb-muted);
    background: var(--sqb-bg-alt);
    border: 1px solid var(--sqb-border);
}

.sqb__btn_secondary:hover {
    color: var(--sqb-text);
    background: #f1f5f9;
}

/* Output panel */
.sqb__output-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.sqb__output-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sqb-text);
}

.sqb__output-actions {
    display: flex;
    gap: 0.5rem;
}

.sqb__icon-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sqb-muted);
    background: var(--sqb-bg-alt);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.sqb__icon-btn:hover {
    color: var(--sqb-primary);
    border-color: var(--sqb-border-focus);
}

.sqb__textarea {
    width: 100%;
    min-height: 12rem;
    padding: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--sqb-text);
    background: var(--sqb-bg-alt);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
    resize: vertical;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.sqb__textarea:focus {
    outline: none;
    border-color: var(--sqb-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.sqb__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--sqb-muted);
}

.sqb__meta strong {
    color: var(--sqb-text);
}

.sqb__validation {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
}

.sqb__validation.sqb__validation_ok {
    color: var(--sqb-success);
}

.sqb__validation.sqb__validation_err {
    color: var(--sqb-danger);
}

/* Templates */
.sqb__templates {
    margin-top: 2rem;
}

.sqb__templates-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--sqb-text);
    margin-bottom: 1rem;
}

.sqb__templates-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.sqb__template {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    text-align: left;
    background: var(--sqb-bg);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius-sm);
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.sqb__template:hover {
    border-color: var(--sqb-border-focus);
    box-shadow: var(--sqb-shadow);
}

.sqb__template-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--sqb-text);
}

.sqb__template-desc {
    font-size: 0.8125rem;
    color: var(--sqb-muted);
    margin-top: 0.25rem;
}

/* Tips */
.sqb__tips {
    margin-top: 2rem;
    padding: 1.25rem;
    background: var(--sqb-bg-alt);
    border: 1px solid var(--sqb-border);
    border-radius: var(--sqb-radius);
}

.sqb__tips-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sqb-text);
    margin-bottom: 0.75rem;
}

.sqb__tips-list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 0.875rem;
    color: var(--sqb-muted);
    line-height: 1.6;
}

.sqb__tips-list li {
    margin-bottom: 0.375rem;
}

.sqb__tips-list code {
    font-size: 0.8125rem;
    padding: 0.125rem 0.375rem;
    background: var(--sqb-bg);
    border-radius: 0.25rem;
}

/* Tablet: two columns for layout */
@media (min-width: 768px) {
    .sqb__layout {
        flex-direction: row;
        align-items: flex-start;
    }

    .sqb__builder {
        flex: 1;
        min-width: 0;
    }

    .sqb__output {
        flex: 1;
        min-width: 0;
    }

    .sqb__row {
        flex-direction: row;
    }

    .sqb__block_half {
        flex: 1;
        min-width: 0;
    }

    .sqb__templates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: larger builder, templates in 3 cols */
@media (min-width: 1024px) {
    .sqb__builder,
    .sqb__output {
        padding: 1.5rem;
    }

    .sqb__templates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}