/* Database Query Profiler - mobile-first, unique layout */

:root {
    --dqp-text: #0f172a;
    --dqp-text-muted: var(--text-muted, #64748b);
    --dqp-border: #e2e8f0;
    --dqp-surface: #f8fafc;
    --dqp-bg: #ffffff;
    --dqp-radius: 14px;
    --dqp-radius-sm: 10px;
    --dqp-success: #059669;
    --dqp-success-bg: #d1fae5;
    --dqp-warning: #d97706;
    --dqp-warning-bg: #fef3c7;
    --dqp-danger: #dc2626;
    --dqp-danger-bg: #fee2e2;
    --dqp-accent: #4f46e5;
    --dqp-accent-hover: #4338ca;
    --dqp-focus-ring: rgba(79, 70, 229, 0.25);
    --dqp-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    --dqp-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --dqp-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.07);
}

/* --- Tool section --- */
.dqp-tool {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

/* Query panel */
.dqp-query-panel {
    background: var(--dqp-bg);
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius);
    box-shadow: var(--dqp-shadow);
    overflow: hidden;
}

.dqp-panel-head {
    padding: 1rem 1.25rem;
    background: var(--dqp-surface);
    border-bottom: 1px solid var(--dqp-border);
}

.dqp-panel-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--dqp-text);
    margin: 0;
    text-transform: none;
    letter-spacing: -0.01em;
}

.dqp-panel-body {
    padding: 1.25rem;
}

.dqp-field {
    margin-bottom: 1.25rem;
}

.dqp-field:last-child {
    margin-bottom: 0;
}

.dqp-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dqp-text);
    margin-bottom: 0.375rem;
}

.dqp-select,
.dqp-input {
    width: 100%;
    max-width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.4;
    color: var(--dqp-text);
    background: var(--dqp-bg);
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius-sm);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

.dqp-input {
    background-image: none;
    padding-right: 0.875rem;
}

.dqp-select:focus,
.dqp-input:focus {
    outline: none;
    border-color: var(--dqp-accent);
    box-shadow: 0 0 0 3px var(--dqp-focus-ring);
}

.dqp-editor {
    min-height: 200px;
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius-sm);
    overflow: hidden;
}

/* Options row: stack on mobile, row on larger */
.dqp-row.dqp-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 480px) {
    .dqp-row.dqp-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .dqp-row.dqp-options {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

.dqp-field-sm .dqp-select,
.dqp-field-sm .dqp-input {
    min-width: 0;
}

/* Actions */
.dqp-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--dqp-border);
}

.dqp-actions-end {
    justify-content: flex-end;
    margin-top: 1rem;
    padding-top: 1rem;
}

.dqp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.125rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.3;
    border: none;
    border-radius: var(--dqp-radius-sm);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.dqp-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--dqp-focus-ring);
}

.dqp-btn-primary {
    background: var(--dqp-accent);
    color: #fff;
}

.dqp-btn-primary:hover {
    background: var(--dqp-accent-hover);
}

.dqp-btn-secondary {
    background: var(--dqp-surface);
    color: var(--dqp-text);
    border: 1px solid var(--dqp-border);
}

.dqp-btn-secondary:hover {
    background: var(--dqp-border);
}

.dqp-btn-ghost {
    background: transparent;
    color: var(--dqp-text-muted);
}

.dqp-btn-ghost:hover {
    background: var(--dqp-surface);
    color: var(--dqp-text);
}

/* Metrics strip */
.dqp-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

@media (min-width: 480px) {
    .dqp-metrics {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

.dqp-metric {
    background: var(--dqp-bg);
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius-sm);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--dqp-shadow);
}

.dqp-metric-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dqp-text);
    line-height: 1.2;
}

.dqp-metric-value.dqp-good {
    color: var(--dqp-success);
}

.dqp-metric-value.dqp-warn {
    color: var(--dqp-warning);
}

.dqp-metric-value.dqp-bad {
    color: var(--dqp-danger);
}

.dqp-metric-unit {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dqp-text-muted);
    margin-left: 0.125rem;
}

.dqp-metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--dqp-text-muted);
    margin-top: 0.25rem;
    text-transform: none;
}

/* Two-column layout */
.dqp-two-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .dqp-two-col {
        flex-direction: row;
        gap: 1.25rem;
    }

    .dqp-two-col > * {
        flex: 1;
        min-width: 0;
    }
}

/* Generic panel */
.dqp-panel {
    background: var(--dqp-bg);
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius);
    box-shadow: var(--dqp-shadow);
    overflow: hidden;
}

/* Complexity stats */
.dqp-stats {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dqp-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--dqp-border);
    font-size: 0.9375rem;
}

.dqp-stat:last-child,
.dqp-stat.dqp-stat-score {
    border-bottom: none;
}

.dqp-stat-label {
    color: var(--dqp-text-muted);
}

.dqp-stat-value {
    font-weight: 600;
    color: var(--dqp-text);
}

.dqp-stat-score .dqp-stat-label {
    font-weight: 500;
    color: var(--dqp-text);
}

.dqp-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 6px;
}

.dqp-badge.dqp-badge-good {
    background: var(--dqp-success-bg);
    color: var(--dqp-success);
}

.dqp-badge.dqp-badge-warn {
    background: var(--dqp-warning-bg);
    color: var(--dqp-warning);
}

.dqp-badge.dqp-badge-bad {
    background: var(--dqp-danger-bg);
    color: var(--dqp-danger);
}

.dqp-badge.dqp-badge-neutral {
    background: var(--dqp-surface);
    color: var(--dqp-text-muted);
}

/* Execution plan */
.dqp-plan-placeholder,
.dqp-plan-pre {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--dqp-text);
    white-space: pre-wrap;
    word-break: break-word;
}

.dqp-plan-pre {
    padding: 1rem;
    background: var(--dqp-surface);
    border-radius: var(--dqp-radius-sm);
    border: 1px solid var(--dqp-border);
    max-height: 320px;
    overflow: auto;
}

.dqp-placeholder-text {
    margin: 0;
    color: var(--dqp-text-muted);
    font-size: 0.9375rem;
}

/* Issues list */
.dqp-issues-list,
.dqp-suggestions-list {
    min-height: 2rem;
}

.dqp-issue,
.dqp-suggestion-item {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--dqp-radius-sm);
    font-size: 0.9375rem;
    line-height: 1.4;
}

.dqp-issue:last-child,
.dqp-suggestion-item:last-child {
    margin-bottom: 0;
}

.dqp-issue.dqp-issue-high {
    background: var(--dqp-danger-bg);
    border: 1px solid rgba(220, 38, 38, 0.2);
    color: var(--dqp-text);
}

.dqp-issue.dqp-issue-medium {
    background: var(--dqp-warning-bg);
    border: 1px solid rgba(217, 119, 6, 0.2);
    color: var(--dqp-text);
}

.dqp-issue.dqp-issue-low {
    background: #dbeafe;
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--dqp-text);
}

.dqp-issue-title,
.dqp-suggestion-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.dqp-issue-detail,
.dqp-suggestion-desc {
    font-size: 0.875rem;
    color: var(--dqp-text-muted);
}

.dqp-suggestion-item {
    background: var(--dqp-surface);
    border: 1px solid var(--dqp-border);
}

.dqp-suggestion-item .dqp-priority {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}

.dqp-suggestion-item .dqp-priority-high {
    color: var(--dqp-danger);
}

.dqp-suggestion-item .dqp-priority-medium {
    color: var(--dqp-warning);
}

.dqp-suggestion-item .dqp-priority-low {
    color: var(--dqp-text-muted);
}

/* Optimized query output */
.dqp-optimized-panel .dqp-output {
    display: block;
    margin: 0 0 1rem 0;
    padding: 1rem;
    font-size: 0.8125rem;
    line-height: 1.5;
    background: var(--dqp-surface);
    border: 1px solid var(--dqp-border);
    border-radius: var(--dqp-radius-sm);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 240px;
    overflow: auto;
}

.dqp-optimized-panel .dqp-output:empty::before {
    content: attr(data-placeholder);
    color: var(--dqp-text-muted);
}

/* Success message for empty state */
.dqp-empty-ok {
    padding: 0.75rem 1rem;
    background: var(--dqp-success-bg);
    border-radius: var(--dqp-radius-sm);
    font-size: 0.9375rem;
    color: var(--dqp-text);
}

.dqp-empty-ok strong {
    color: var(--dqp-success);
}