/* --- Drift Monitor Styles --- */

/* Upload progress indicator */
.dm-upload-progress {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

/* Status banners */
.dm-status-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
}

.dm-status-ok {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.dm-status-icon {
    font-size: 1.5rem;
    font-weight: 800;
}

/* Stat cards */
.dm-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
    transition: border-color 0.2s;
}

.dm-stat-card:hover {
    border-color: var(--primary);
}

.dm-stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.dm-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-main);
}

/* Column cards */
.dm-col-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.dm-col-card:hover {
    border-color: var(--primary);
}

/* Verdict badges */
.dm-verdict-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

/* Divergence bar */
.dm-bar-track {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.dm-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.dm-dist-error {
    position: absolute;
    display: block;
    left: 50%;
    width: 12px;
    box-sizing: border-box;
    transform: translateX(-50%);
    border-top: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    filter: drop-shadow(0 0 2px rgba(15, 23, 42, 0.9));
    pointer-events: auto;
}

.dm-dist-error::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 2px solid currentColor;
    transform: translateX(-50%);
}

.dm-dist-error-legend {
    display: inline-block;
    position: relative;
    width: 10px;
    height: 12px;
    color: rgba(248, 250, 252, 0.95);
    border-top: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    vertical-align: -2px;
}

.dm-dist-error-legend::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 2px solid currentColor;
}

/* Financial card */
.dm-financial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

/* Form layout */
.dm-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.dm-form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* Action buttons row */
.dm-action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.25rem;
}

.dm-btn-baseline {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.dm-btn-baseline:hover {
    background: rgba(16, 185, 129, 0.25);
}

.dm-btn-baseline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results grid */
.dm-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

#dm-column-grid.dm-results-grid {
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
}

.dm-result-toolbar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.dm-result-toolbar-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.dm-result-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
}

.dm-result-count {
    margin-top: 0.2rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.dm-result-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin: 0;
}

.dm-result-check input {
    width: auto;
    margin: 0;
}

.dm-result-controls {
    display: grid;
    grid-template-columns: minmax(180px, 1.4fr) repeat(3, minmax(130px, 1fr)) auto;
    gap: 0.6rem;
    align-items: center;
}

.dm-column-picker-controls {
    display: block;
}

.dm-column-picker {
    position: relative;
    width: min(100%, 360px);
}

.dm-column-picker summary {
    min-height: 38px;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #111827;
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.dm-column-picker summary::-webkit-details-marker {
    display: none;
}

.dm-column-picker summary::after {
    content: "v";
    float: right;
    color: var(--text-muted);
}

.dm-column-picker[open] summary::after {
    content: "^";
}

.dm-column-options {
    position: absolute;
    z-index: 20;
    top: calc(100% + 0.35rem);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #1e293b;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    padding: 0.45rem;
}

.dm-column-option,
.dm-column-picker-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    min-height: 34px;
    border-radius: 0.4rem;
    padding: 0.35rem 0.45rem;
    font-size: 0.82rem;
    color: var(--text-main);
}

.dm-column-option:hover,
.dm-column-picker-action:hover {
    background: rgba(99, 102, 241, 0.18);
}

.dm-column-option input {
    width: auto;
    margin: 0;
    flex: 0 0 auto;
}

.dm-column-option span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dm-column-picker-action {
    border: 0;
    border-bottom: 1px solid var(--border);
    background: #1e293b;
    color: var(--primary);
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 0.35rem;
}

.dm-result-empty {
    grid-column: 1 / -1;
    border: 1px dashed var(--border);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-card);
}

/* ===== Test Selector Chips ===== */
.dm-field-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.dm-field-label-row label {
    margin: 0;
}

.dm-help-link {
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.35rem 0.55rem;
    cursor: pointer;
}

.dm-help-link:hover {
    background: rgba(99, 102, 241, 0.18);
}

.dm-test-chip {
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 9999px;
    border: 1px solid var(--border);
    background: var(--bg-main);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.dm-test-help {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    margin-left: 0.25rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 0.65rem;
    line-height: 1;
}

.dm-test-chip:hover {
    border-color: var(--primary);
    color: var(--text-main);
}

.dm-test-chip-on {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--text-main);
}

.dm-test-chip-on:hover {
    background: rgba(99, 102, 241, 0.25);
}

.dm-metric-help-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    margin-left: 0.25rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 0.65rem;
    font-weight: 800;
    line-height: 1;
    vertical-align: text-top;
}

.dm-metric-help-btn:hover {
    background: rgba(99, 102, 241, 0.16);
    color: var(--text-main);
}

.dm-metric-help-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.dm-metric-help-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.78);
}

.dm-metric-help-dialog {
    position: relative;
    z-index: 1;
    width: min(1040px, 100%);
    max-height: min(86vh, 760px);
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #111827;
    color: var(--text-main);
    padding: 1.25rem;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}

.dm-metric-help-close {
    float: right;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.4rem 0.65rem;
}

.dm-metric-help-close:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.dm-metric-help-kicker {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dm-metric-help-dialog h2 {
    margin: 0.35rem 0 0.75rem;
    font-size: 1.5rem;
}

.dm-metric-help-dialog h3 {
    margin: 1rem 0 0.5rem;
    font-size: 0.95rem;
}

.dm-metric-help-dialog p {
    margin: 0.35rem 0;
    color: var(--text-muted);
    line-height: 1.55;
    font-size: 0.9rem;
}

.dm-metric-help-formula {
    margin: 1rem 0;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #0f172a;
    color: var(--text-main);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88rem;
    padding: 0.8rem;
    overflow-x: auto;
}

.dm-metric-help-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.dm-metric-examples {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.dm-metric-example-card {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: #0f172a;
    padding: 0.75rem;
}

.dm-metric-example-title {
    font-weight: 800;
    font-size: 0.9rem;
}

.dm-metric-example-value {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    margin: 0.2rem 0 0.55rem;
}

.dm-metric-hist-row {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 0.45rem;
    align-items: center;
    margin: 0.28rem 0;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.dm-metric-hist-bars {
    display: grid;
    gap: 0.12rem;
}

.dm-metric-hist-bar {
    height: 0.35rem;
    border-radius: 0.25rem;
}

.dm-metric-hist-baseline {
    background: rgba(148, 163, 184, 0.55);
}

.dm-metric-hist-current {
    background: rgba(99, 102, 241, 0.9);
}

.dm-metric-help-note {
    border-left: 3px solid var(--primary);
    padding-left: 0.75rem;
}

/* ===== Column Selector ===== */
.dm-col-selector {
    display: flex;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    overflow: hidden;
    background: var(--bg-card);
    min-height: 260px;
    max-height: 350px;
}

.dm-col-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.dm-col-panel-selected {
    background: rgba(99, 102, 241, 0.03);
}

.dm-col-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.dm-col-count {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 9999px;
    padding: 0.1rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 1.4rem;
    text-align: center;
}

.dm-col-count-selected {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--primary);
}

.dm-col-search-wrap {
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.dm-col-search {
    width: 100%;
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    background: var(--bg-main);
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
}

.dm-col-search:focus {
    border-color: var(--primary);
}

.dm-col-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem 0;
}

.dm-col-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.82rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
    color: var(--text-main);
}

.dm-col-item:hover {
    background: rgba(99, 102, 241, 0.08);
}

.dm-col-item:active {
    background: rgba(99, 102, 241, 0.15);
}

.dm-col-item-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
    transition: opacity 0.15s;
}

.dm-col-item:hover .dm-col-item-icon {
    opacity: 0.8;
}

.dm-col-item-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-col-item-badge {
    flex-shrink: 0;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.dm-col-badge-high {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.dm-col-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    flex-shrink: 0;
    background: var(--bg-main);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    color: var(--text-muted);
}

.dm-col-panel-footer {
    padding: 0.4rem 0.5rem;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    display: flex;
    justify-content: center;
}

.dm-col-action-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: all 0.15s;
}

.dm-col-action-btn:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--primary);
}

.dm-col-action-btn-danger {
    color: var(--error, #ef4444);
}

.dm-col-action-btn-danger:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--error, #ef4444);
}

.dm-col-empty-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    font-style: italic;
}

/* Scrollbar styling for column lists */
.dm-col-list::-webkit-scrollbar {
    width: 5px;
}

.dm-col-list::-webkit-scrollbar-track {
    background: transparent;
}

.dm-col-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.dm-col-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 1100px) {
    .dm-result-controls {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 700px) {
    .dm-result-controls {
        grid-template-columns: 1fr;
    }

    .dm-metric-help-grid,
    .dm-metric-examples {
        grid-template-columns: 1fr;
    }
}