/* MNQ Dashboard — styles.css
   Dark theme. Monospace numbers. Mobile-first layout. */

/* ---------------------------------------------------------------------------
   Reset + base
--------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Color tokens */
  --bg:          #0a0a0a;
  --bg-surface:  #141414;
  --bg-card:     #1c1c1c;
  --bg-hover:    #222222;
  --border:      #2a2a2a;
  --border-mid:  #3a3a3a;

  --text-primary:   #e0e0e0;
  --text-secondary: #9a9a9a;
  --text-muted:     #5a5a5a;

  --accent:      #4a9eff;
  --accent-dim:  #1e3d6a;

  /* Status colors */
  --green:   #2ecc71;
  --yellow:  #f1c40f;
  --red:     #e74c3c;
  --green-bg:  rgba(46, 204, 113, 0.12);
  --yellow-bg: rgba(241, 196, 15,  0.12);
  --red-bg:    rgba(231, 76,  60,  0.12);

  /* Typography */
  --font-ui:   system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Consolas, 'Liberation Mono', monospace;

  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* Borders */
  --radius:    6px;
  --radius-lg: 10px;

  /* Layout */
  --header-h: 52px;
  --max-w:    1200px;
}

html {
  font-size: 15px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-ui);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Monospace numbers everywhere relevant */
.tile-value,
.stat-num,
code,
pre,
.font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------------------
   Site header
--------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.site-title {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

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

/* ---------------------------------------------------------------------------
   Tab navigation
--------------------------------------------------------------------------- */

.tab-nav {
  display: flex;
  gap: var(--sp-1);
  margin-left: auto; /* push right */
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  padding: var(--sp-1) var(--sp-3);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.tab-btn.active,
.tab-btn[aria-selected="true"] {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------------
   Main content area
--------------------------------------------------------------------------- */

.tab-main {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4);
}

.tab-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.tab-panel.hidden {
  display: none;
}

.panel-section {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.section-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--sp-2);
}

/* ---------------------------------------------------------------------------
   Stat tiles (Compliance tab)
--------------------------------------------------------------------------- */

.stat-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.stat-tile {
  flex: 1 1 160px;        /* wraps on narrow viewports */
  min-width: 140px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: border-color 0.2s;
}

.stat-tile:hover {
  border-color: var(--border-mid);
}

/* ---------------------------------------------------------------------------
   Tile grid (Compliance tab — T036)
   Responsive grid; replaces .stat-tiles flex layout on the compliance panel.
--------------------------------------------------------------------------- */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

/* Status variants — applied by JS (T036).
   Both .tile--* (spec naming) and .status-* (T014 legacy) are supported. */
.stat-tile.status-green,
.stat-tile.tile--green {
  border-color: #22c55e;
  background: var(--green-bg);
}
.stat-tile.status-green .tile-value,
.stat-tile.tile--green .tile-value {
  color: #22c55e;
}

.stat-tile.status-yellow,
.stat-tile.tile--yellow {
  border-color: #eab308;
  background: var(--yellow-bg);
}
.stat-tile.status-yellow .tile-value,
.stat-tile.tile--yellow .tile-value {
  color: #eab308;
}

.stat-tile.status-red,
.stat-tile.tile--red {
  border-color: #ef4444;
  background: var(--red-bg);
}
.stat-tile.status-red .tile-value,
.stat-tile.tile--red .tile-value {
  color: #ef4444;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  50% { opacity: 0.6; }
}

/* ---------------------------------------------------------------------------
   Reconnect button (Compliance tab disconnected state — T036)
--------------------------------------------------------------------------- */

.compliance-reconnect {
  display: flex;
  justify-content: flex-start;
  margin-top: 0.5rem;
}

.compliance-reconnect.hidden {
  display: none;
}

.btn-reconnect {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--sp-2) var(--sp-4);
  transition: background 0.15s, opacity 0.15s;
}

.btn-reconnect:hover {
  background: var(--accent);
  color: #fff;
}

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

.tile-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tile-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

/* ---------------------------------------------------------------------------
   Chart wrapper
--------------------------------------------------------------------------- */

.chart-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  height: 200px;
}

.chart-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---------------------------------------------------------------------------
   Placeholder and status text
--------------------------------------------------------------------------- */

.placeholder-text {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-muted);
}

.status-msg {
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-height: 1.2em;
}

.content-error {
  color: var(--red);
}

/* ---------------------------------------------------------------------------
   Phase notice (Edge tab)
--------------------------------------------------------------------------- */

.phase-notice {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

/* ---------------------------------------------------------------------------
   Upload page
--------------------------------------------------------------------------- */

.upload-main {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-4);
  display: flex;
  justify-content: center;
}

.upload-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.upload-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.field-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  padding: var(--sp-2) var(--sp-3);
  width: 100%;
  transition: border-color 0.15s;
}

.field-input:focus {
  border-color: var(--accent);
  outline: none;
}

.field-input::placeholder {
  color: var(--text-muted);
}

.file-input {
  cursor: pointer;
}

.file-input::file-selector-button {
  background: var(--bg-hover);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.85rem;
  margin-right: var(--sp-3);
  padding: var(--sp-1) var(--sp-3);
  transition: background 0.15s;
}

.file-input::file-selector-button:hover {
  background: var(--accent-dim);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.field-hint code {
  background: var(--bg-hover);
  border-radius: 3px;
  padding: 0 4px;
  font-size: 0.72rem;
}

.form-actions {
  margin-top: var(--sp-2);
}

.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  padding: var(--sp-2) var(--sp-5);
  transition: opacity 0.15s;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.85;
}

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

.upload-result {
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--sp-3) var(--sp-4);
  word-break: break-all;
}

.upload-result.hidden {
  display: none;
}

.upload-result--ok {
  background: var(--green-bg);
  border: 1px solid var(--green);
  color: var(--green);
}

.upload-result--err {
  background: var(--red-bg);
  border: 1px solid var(--red);
  color: var(--red);
}

/* ---------------------------------------------------------------------------
   Worker connectivity status dot (header)
--------------------------------------------------------------------------- */

.worker-status {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.worker-status--unknown {
  background-color: var(--text-muted);
}

.worker-status--green {
  background-color: var(--green);
  box-shadow: 0 0 6px var(--green);
}

.worker-status--yellow {
  background-color: var(--yellow);
  box-shadow: 0 0 6px var(--yellow);
}

.worker-status--red {
  background-color: var(--red);
  box-shadow: 0 0 6px var(--red);
}

/* ---------------------------------------------------------------------------
   Today tab — trades table
--------------------------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.trades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  white-space: nowrap;
}

.trades-table th,
.trades-table td {
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.trades-table th {
  background: var(--bg-surface);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 1;
}

.trades-table td {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.trades-table tr:last-child td {
  border-bottom: none;
}

.trades-table tbody tr:hover td {
  background: var(--bg-hover);
}

.col-num {
  text-align: right;
}

.skeleton-row td {
  color: var(--text-muted);
}

.empty-row td {
  color: var(--text-muted);
}

/* single-cell colspan placeholder inside tbody */
.skeleton-cell {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  padding: var(--sp-6) 0;
}

/* ---------------------------------------------------------------------------
   Tile subtitle line (Compliance tab)
--------------------------------------------------------------------------- */

.tile-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  min-height: 1em;
}

/* ---------------------------------------------------------------------------
   Site footer
--------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--sp-4);
  justify-content: flex-end;
  padding: var(--sp-2) var(--sp-4);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ---------------------------------------------------------------------------
   Today tab — summary bar + chart + sortable headers
--------------------------------------------------------------------------- */

/* Summary bar above the trades table */
.summary-bar {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.summary-bar.expectancy-positive {
  border-color: var(--green);
  background: var(--green-bg);
  color: var(--green);
}

.summary-bar.expectancy-negative {
  border-color: var(--red);
  background: var(--red-bg);
  color: var(--red);
}

.summary-bar.expectancy-neutral {
  color: var(--text-secondary);
}

/* INSUFFICIENT badge — yellow pill shown when n < 5 for any rule */
.badge-insufficient {
  display: inline-block;
  background: var(--yellow-bg);
  border: 1px solid var(--yellow);
  border-radius: 99px;
  color: var(--yellow);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 1px var(--sp-2);
  text-transform: uppercase;
  vertical-align: middle;
}

/* Sortable column headers */
.trades-table th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.trades-table th.sortable:hover {
  color: var(--text-primary);
}

.trades-table th.sortable::after {
  content: " \00B7";
  color: var(--text-muted);
  opacity: 0.4;
}

.trades-table th.sortable[data-sort-dir="asc"]::after {
  content: " \25B2";
  opacity: 1;
  color: var(--accent);
}

.trades-table th.sortable[data-sort-dir="desc"]::after {
  content: " \25BC";
  opacity: 1;
  color: var(--accent);
}

/* R column — color code win/loss */
.r-positive {
  color: var(--green);
}

.r-negative {
  color: var(--red);
}

/* Empty-state message */
.empty-state-cell {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-family: var(--font-ui);
  padding: var(--sp-8) var(--sp-4) !important;
  line-height: 1.7;
  white-space: normal;
}

/* Auto-refresh indicator */
.refresh-indicator {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
}

.refresh-indicator.refresh-live {
  color: var(--green);
}

/* Today chart container */
#today-chart-wrap {
  max-width: 640px;
}

/* ---------------------------------------------------------------------------
   Responsive overrides
--------------------------------------------------------------------------- */

/* Phones: stack header vertically, full-width tiles */
@media (max-width: 480px) {
  .header-inner {
    flex-direction: column;
    height: auto;
    padding: var(--sp-2) var(--sp-3);
    gap: var(--sp-2);
    align-items: flex-start;
  }

  .site-header {
    height: auto;
    position: static; /* avoid overlap on small screens */
  }

  .tab-nav {
    margin-left: 0;
    width: 100%;
    justify-content: stretch;
  }

  .tab-btn {
    flex: 1;
    text-align: center;
  }

  .tab-main {
    padding: var(--sp-4) var(--sp-3);
  }

  .stat-tile {
    flex: 1 1 calc(50% - var(--sp-3));
    min-width: 120px;
  }

  .tile-value {
    font-size: 1.3rem;
  }

  .upload-card {
    padding: var(--sp-5) var(--sp-4);
  }
}

/* Tablets: two-column tile grid */
@media (min-width: 481px) and (max-width: 768px) {
  .stat-tile {
    flex: 1 1 calc(50% - var(--sp-3));
  }
}