/* ──────────────────────────────────────────────
   MudBlazor Dark Palette Tokens (fallbacks)
   When embedded in Blazor, these are inherited
   from MudThemeProvider automatically.
   ────────────────────────────────────────────── */
:root {
    --mud-palette-primary: #00B690;
    --mud-palette-surface: #1e1e2e;
    --mud-palette-background: #121212;
    --mud-palette-text-primary: rgba(255, 255, 255, 0.75);
    --mud-palette-text-secondary: rgba(255, 255, 255, 0.6);
    --mud-palette-divider: rgba(255, 255, 255, 0.12);
    --mud-palette-table-hover: rgba(255, 255, 255, 0.04);
    --mud-palette-error: #FF6565;
    --mud-palette-drawer-background: #1a1a2e;
    --mud-palette-action-default-hover: rgba(255, 255, 255, 0.08);
    --mud-default-borderradius: 4px;
}

/* ──────────────────────────────────────────────
   Base / Reset
   ────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: var(--mud-palette-background);
    color: var(--mud-palette-text-primary);
}

/* ──────────────────────────────────────────────
   Page Layout
   ────────────────────────────────────────────── */
.page-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--mud-palette-primary);
    color: #fff;
    flex-shrink: 0;
}

.page-header h1 {
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0;
}

.page-header .header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.page-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.tree-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.log-panel {
    width: 400px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--mud-palette-divider);
    overflow: hidden;
}

.log-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--mud-palette-divider);
    background: var(--mud-palette-surface);
    flex-shrink: 0;
    font-weight: 500;
    font-size: 0.875rem;
}

.log-entries {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.75rem;
    line-height: 1.4;
}

.log-entry {
    padding: 0.125rem 1rem;
    word-break: break-word;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.log-entry .log-ts { color: var(--mud-palette-text-secondary); }
.log-entry .log-level { font-weight: 600; margin: 0 0.25rem; }
.log-entry .log-group { color: var(--mud-palette-primary); font-style: italic; margin-right: 0.5rem; }
.log-entry .log-tags { color: var(--mud-palette-text-secondary); font-size: 0.6875rem; opacity: 0.7; }
.log-entry.level-debug { color: var(--mud-palette-text-secondary); }
.log-entry.level-info { color: var(--mud-palette-text-primary); }
.log-entry.level-warning { color: #ffaa00; }
.log-entry.level-error { color: var(--mud-palette-error); }

/* ──────────────────────────────────────────────
   Toolbar / Controls
   ────────────────────────────────────────────── */
.tree-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--mud-palette-surface);
    border-bottom: 1px solid var(--mud-palette-divider);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.tree-toolbar label {
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
}

.tree-toolbar select,
.tree-toolbar input {
    font-family: inherit;
    font-size: 0.8125rem;
    padding: 0.25rem 0.5rem;
    background: var(--mud-palette-background);
    border: 1px solid var(--mud-palette-divider);
    border-radius: var(--mud-default-borderradius);
    color: var(--mud-palette-text-primary);
    outline: none;
}

.tree-toolbar select:focus,
.tree-toolbar input:focus {
    border-color: var(--mud-palette-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.3rem 0.75rem;
    font-family: inherit;
    font-size: 0.8125rem;
    border: 1px solid var(--mud-palette-divider);
    border-radius: var(--mud-default-borderradius);
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-primary);
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover:not(:disabled) {
    background: var(--mud-palette-action-default-hover);
}

.btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.btn-primary {
    background: var(--mud-palette-primary);
    border-color: var(--mud-palette-primary);
    color: #fff;
}

.btn.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
}

.btn.btn-danger {
    background: var(--mud-palette-error);
    border-color: var(--mud-palette-error);
    color: #fff;
}

.btn.btn-danger:hover:not(:disabled) {
    opacity: 0.9;
}

select:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: background 0.2s;
    color: var(--mud-palette-text-primary);
}

.icon-btn:hover {
    background: var(--mud-palette-action-default-hover);
}

.icon-btn.active {
    color: var(--mud-palette-primary);
}

.icon-btn.inactive {
    opacity: 0.4;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-weight: 500;
}

.status-badge.connected { background: rgba(0, 182, 144, 0.15); color: var(--mud-palette-primary); }
.status-badge.disconnected { background: rgba(255, 101, 101, 0.15); color: var(--mud-palette-error); }
.status-badge.reconnecting { background: rgba(255, 170, 0, 0.15); color: #ffaa00; }

/* ──────────────────────────────────────────────
   Tree Tabs
   ────────────────────────────────────────────── */
.tree-tabs {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: var(--mud-palette-background);
    border-bottom: 1px solid var(--mud-palette-divider);
    flex-shrink: 0;
    overflow-x: auto;
    min-height: 0;
}

.tree-tabs:empty {
    display: none;
}

.tree-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--mud-palette-text-secondary);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    white-space: nowrap;
    position: relative;
}

.tree-tab:hover {
    color: var(--mud-palette-text-primary);
    background: var(--mud-palette-action-default-hover);
}

.tree-tab.active {
    color: var(--mud-palette-primary);
    border-bottom-color: var(--mud-palette-primary);
}

.tree-tab .tab-indicator {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mud-palette-primary);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.tree-tab .tab-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
    margin-left: 0.25rem;
}

.tree-tab:hover .tab-close {
    opacity: 0.6;
}

.tree-tab .tab-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* ──────────────────────────────────────────────
   Tree Container Host (holds multiple tree containers)
   ────────────────────────────────────────────── */
.tree-container-host {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.tree-container-host > .rulex-tree {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: auto;
}

.tree-container-host > .rulex-tree.active-tree {
    display: flex;
}

.tree-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--mud-palette-text-secondary);
    padding: 2rem;
    text-align: center;
}

/* ──────────────────────────────────────────────
   Rulex Tree (matches Blazor RulexDashboard.razor.scss)
   ────────────────────────────────────────────── */
.rulex-tree {
    --row-height: 3rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: auto;
    position: relative;
}

.rulex-tree .tree-state {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--mud-palette-error);
    font-weight: 500;
}

.rulex-tree header {
    background: var(--mud-palette-surface);
    display: flex;
    flex-shrink: 0;
    font-weight: bold;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    height: var(--row-height);
    padding: 0 0.75rem;
    z-index: 3;
}

.rulex-tree header .rulex-tree-grid span {
    margin: auto 0;
    text-align: left;
}

.rulex-tree-grid {
    display: grid;
    align-items: center;
    grid-template-columns: minmax(0, 4rem) minmax(0, 20rem);
    gap: 0.75rem;
}

.rulex-tree-grid .tx-right {
    text-align: right;
}

/* First-level rows — distinct background, whole tree scrolls together */
.rulex-tree > ul.children > li > .node-row {
    background: var(--mud-palette-surface);
}

.rulex-tree > ul.children > li > .node-row .status-icon::after {
    display: none;
}

.rulex-tree > ul.children > li > .node-row .status-icon::before {
    display: none;
}

/* Node row */
.node-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.25rem 0.75rem;
    position: relative;
    transition: background 0.3s;
    min-height: var(--row-height);
    align-items: center;
}

.node-row .left-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    gap: 1rem;
    min-width: 0;
}

.node-row .name-block,
.node-row .buttons-block {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.node-row .name-block > span {
    min-width: 0;
}

/* Text overflow with tooltip */
.node-row .tx-overflow {
    position: relative;
    min-width: 0;
}

.node-row .tx-overflow .tx-content {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Action buttons (hidden by default, shown on hover) */
.node-row .buttons-block {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

/* Pending state dimming */
.node-row.is-pending > span {
    opacity: 0.7;
}

.node-row.is-pending > .left-block {
    opacity: 1;
}

.node-row.is-pending > .left-block .name-block .status-icon {
    opacity: 0.7;
}

.node-row.is-pending > .left-block .name-block .tx-overflow .tx-content {
    opacity: 0.7;
}

/* Row divider */
.node-row::after {
    content: '';
    border-bottom: 1px solid var(--mud-palette-divider);
    position: absolute;
    left: var(--row-height);
    bottom: 1px;
    width: calc(100% - var(--row-height));
}

/* Hover effect */
.node-row::before {
    content: '';
    background: transparent;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transition: background 0.3s;
}

.node-row:hover:not(.is-pending) .buttons-block {
    opacity: 1;
    pointer-events: auto;
}

.node-row:hover:not(.is-pending) .tx-overflow {
    color: var(--mud-palette-text-primary);
}

.node-row:hover:not(.is-pending)::before {
    background: var(--mud-palette-table-hover);
}

/* Tree lines */
ul.children {
    position: relative;
    list-style: none;
}

ul.children li {
    display: flex;
    flex-direction: column;
}

ul.children li > ul.children {
    padding-left: 2rem;
}

ul.children::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 0;
    height: calc(100% - 1.5rem);
    border-left: 1px solid var(--mud-palette-text-primary);
}

/* Hide top-level tree line */
.rulex-tree > ul.children::before {
    display: none;
}

/* Collapse animation */
ul.children.collapsed {
    display: none;
}

/* Toggle button */
.toggle-btn {
    font-size: 1.125rem;
    cursor: pointer;
    user-select: none;
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.toggle-btn:hover {
    color: var(--mud-palette-text-primary);
}

/* ──────────────────────────────────────────────
   Status Icons
   ────────────────────────────────────────────── */
.status-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    position: relative;
}

.status-icon .material-icons {
    font-size: 1.25rem;
}

.status-icon .icon-primary {
    color: var(--mud-palette-primary);
}

.status-icon .icon-error {
    color: var(--mud-palette-error);
}

/* Status connector line */
.status-icon::before {
    content: '';
    position: absolute;
    left: -1.25rem;
    top: 50%;
    width: 1rem;
    border-bottom: 1px solid var(--mud-palette-text-primary);
}

/* ──────────────────────────────────────────────
   Spinner (replaces MudProgressCircular indeterminate)
   ────────────────────────────────────────────── */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--mud-palette-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ──────────────────────────────────────────────
   Progress Ring (replaces MudProgressCircular with %)
   ────────────────────────────────────────────── */
.progress-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.progress-ring {
    width: 24px;
    height: 24px;
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--mud-palette-text-primary);
    stroke-width: 2;
    opacity: 0.3;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--mud-palette-primary);
    stroke-width: 2;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.3s ease;
}

.percentage-counter {
    font-size: 0.625rem;
    font-weight: bold;
    position: absolute;
    bottom: -0.375rem;
    line-height: 1;
    padding: 1px 3px;
    border-radius: var(--mud-default-borderradius);
    background: var(--mud-palette-text-primary);
    color: var(--mud-palette-surface);
}

.percentage-counter span {
    font-size: 0.5rem;
}

/* ──────────────────────────────────────────────
   Duration / Elapsed
   ────────────────────────────────────────────── */
.duration-cell {
    font-variant-numeric: tabular-nums;
    font-size: 0.8125rem;
}

.message-cell {
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ──────────────────────────────────────────────
   Error Detail Panel (below tree)
   ────────────────────────────────────────────── */
.error-detail-panel {
    flex-shrink: 0;
    max-height: 30vh;
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--mud-palette-error);
    background: var(--mud-palette-surface);
    overflow: hidden;
}

.error-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--mud-palette-error);
    flex-shrink: 0;
    border-bottom: 1px solid var(--mud-palette-divider);
}

.error-detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1rem;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.75rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--mud-palette-text-secondary);
    background: var(--mud-palette-background);
    margin: 0;
}

/* ──────────────────────────────────────────────
   Error Dialog (simple modal)
   ────────────────────────────────────────────── */
.error-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.error-dialog {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    border-radius: var(--mud-default-borderradius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 1.5rem;
}

.error-dialog h3 {
    margin-bottom: 1rem;
    color: var(--mud-palette-error);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.error-dialog pre {
    font-family: 'Consolas', monospace;
    font-size: 0.75rem;
    background: var(--mud-palette-background);
    padding: 1rem;
    border-radius: var(--mud-default-borderradius);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--mud-palette-text-secondary);
}

.error-dialog .error-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* ──────────────────────────────────────────────
   Startup Progress Bar
   ────────────────────────────────────────────── */
.startup-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 2rem 3rem;
    gap: 1rem;
}

.startup-progress .startup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
}

.startup-progress .startup-header .spinner {
    width: 18px;
    height: 18px;
}

.startup-progress .progress-bar-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.startup-progress .progress-bar-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.startup-progress .progress-bar-fill {
    height: 100%;
    background: var(--mud-palette-primary);
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.startup-progress .progress-bar-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
}

.startup-progress .progress-percentage {
    font-weight: 600;
    color: var(--mud-palette-primary);
    font-variant-numeric: tabular-nums;
}

.startup-progress .startup-phase {
    font-size: 0.875rem;
    color: var(--mud-palette-text-secondary);
    text-align: center;
    min-height: 1.25rem;
}

.startup-progress .startup-elapsed {
    font-size: 0.8125rem;
    color: var(--mud-palette-text-secondary);
    font-variant-numeric: tabular-nums;
}

.startup-progress .startup-error {
    color: var(--mud-palette-error);
    font-size: 0.875rem;
    text-align: center;
}

/* ──────────────────────────────────────────────
   Scrollbar (webkit)
   ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--mud-palette-background); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.25); }