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

:root {
  --bg: #040714;
  --surface-1: rgba(255,255,255,0.025);
  --surface-2: rgba(255,255,255,0.05);
  --border-subtle: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.1);
  --text-primary: #f9f9f9;
  --text-secondary: #cacaca;
  --text-muted: rgba(255,255,255,0.55);
  --accent: #0063e5;
  --accent-bright: #0080ff;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --font: 'Avenir Next', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  --active-bg: rgba(0,99,229,0.15);
  --active-color: #60a5fa;
  --active-border: rgba(0,99,229,0.3);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.55);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.55);
  --ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Header ── */
.header-bar {
  background: linear-gradient(in oklch 135deg, #B015B0 0%, #3D0080 50%, #040714 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 0 24px;
  height: 68px;
  z-index: 100;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header-logo-img {
  height: 36px; width: auto; flex-shrink: 0;
  filter: brightness(0) invert(1);
  transition: transform 0.3s var(--ease-snap);
  display: block;
}
.header-logo-img:hover { transform: scale(1.14) rotate(-9deg); }
.header-logo h1 { font-size: 1.2em; font-weight: 600; letter-spacing: 0.5px; }
.header-subtitle { font-size: 0.82em; color: rgba(255,255,255,0.72); font-weight: 500; margin-top: 3px; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ── Home icon ── */
.header-home {
  display: flex; align-items: center; padding: 5px;
  color: rgba(255,255,255,0.9); text-decoration: none; border-radius: 6px;
  transition: color var(--dur), background var(--dur); flex-shrink: 0;
}
.header-home:hover { color: #fff; background: rgba(255,255,255,0.12); }
.header-home svg { width: 34px; height: 34px; display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 7px;
  font-size: 0.875rem; font-family: var(--font); font-weight: 500;
  cursor: pointer; border: none;
  transition: background var(--dur-fast);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-bright); }
.btn-ghost {
  background: rgba(255,255,255,0.08); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }

/* ── Input View ── */
#view-input {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  overflow-y: auto;
}

.input-card {
  width: 100%;
  max-width: 720px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-title { font-size: 1.1rem; font-weight: 600; }

.drop-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  transition: border-color var(--dur), background var(--dur);
}
.drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(0,99,229,0.08);
}

#json-input {
  width: 100%;
  min-height: 240px;
  background: transparent;
  border: none;
  outline: none;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  padding: 16px;
  line-height: 1.6;
}
#json-input::placeholder { color: var(--text-muted); }

.input-row { display: flex; align-items: center; gap: 12px; }

.file-label {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 7px;
  font-size: 0.875rem; font-weight: 500;
  cursor: pointer;
  background: rgba(255,255,255,0.08); color: var(--text-primary);
  border: 1px solid var(--border);
  transition: background var(--dur-fast); user-select: none;
}
.file-label:hover { background: rgba(255,255,255,0.14); }
#file-input { display: none; }

.input-example {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.example-buttons {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px;
}
.btn-example {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 7px; cursor: pointer;
  color: var(--text-secondary); font-size: 0.82rem;
  font-family: var(--font); padding: 6px 14px;
  transition: background var(--dur-fast), color var(--dur-fast);
  display: flex; flex-direction: column; gap: 1px; text-align: left;
}
.btn-example:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-example-sub { font-size: 0.72rem; color: var(--text-muted); }

.error-msg {
  color: var(--danger); font-size: 0.85rem;
  padding: 10px 14px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 7px;
  display: none;
}
.error-msg.visible { display: block; }

/* ── Viewer View ── */
#view-viewer {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
#view-viewer.active { display: flex; }

.search-bar {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-wrap { position: relative; flex: 1; }
.search-icon {
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none;
}
#search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font); font-size: 0.9rem;
  outline: none;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
#search-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.07); }
#search-input::placeholder { color: var(--text-muted); }

.match-count { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }
.match-count.has-matches { color: var(--text-secondary); }

/* ── Regex toggle ── */
.btn-regex {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: 1px solid transparent; border-radius: 5px;
  padding: 2px 7px; font-size: 0.75rem; font-family: var(--font-mono);
  color: var(--text-muted); cursor: pointer; transition: all var(--dur-fast);
  line-height: 1.6; user-select: none;
}
.btn-regex:hover { color: var(--text-secondary); border-color: var(--border); }
.btn-regex.active { color: #a78bfa; background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.35); }
#search-input.regex-mode { padding-right: 46px; }
#search-input.regex-invalid { border-color: var(--danger) !important; }

/* ── Active filter badge ── */
.filter-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 500;
  background: var(--active-bg); color: var(--active-color);
  border: 1px solid var(--active-border); cursor: pointer; white-space: nowrap;
  transition: background var(--dur-fast);
}
.filter-badge:hover { background: rgba(239,68,68,0.15); color: #f87171; border-color: rgba(239,68,68,0.3); }

/* ── Main layout ── */
.viewer-body { display: flex; flex: 1; overflow: hidden; min-height: 0; }

.table-area { flex: 1; overflow: auto; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

thead {
  position: sticky; top: 0; z-index: 10;
  background: #0b0918;
}
thead th {
  padding: 10px 14px;
  text-align: left; font-weight: 600;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
thead th.col-num { text-align: right; }

/* Group rows */
.row-group {
  cursor: pointer;
  background: rgba(255,255,255,0.04);
  user-select: none;
}
.row-group:hover { background: rgba(255,255,255,0.07); }
.row-group td {
  padding: 10px 14px;
  font-weight: 600; font-size: 0.82rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}
.group-name { display: flex; align-items: center; gap: 8px; }
.group-chevron {
  width: 16px; height: 16px; flex-shrink: 0;
  transition: transform var(--dur-fast);
  color: var(--text-muted);
}
.group-chevron.collapsed { transform: rotate(-90deg); }
.group-badge {
  font-size: 0.72rem; font-weight: 500;
  background: rgba(255,255,255,0.1);
  padding: 2px 7px; border-radius: 10px;
  color: var(--text-muted);
}

/* Data rows */
.row-data td {
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}
.row-data { cursor: pointer; }
.row-data:hover td { background: rgba(255,255,255,0.05); }
.row-data.hidden { display: none; }
.row-data td.col-num {
  text-align: right;
  font-family: var(--font-mono); font-size: 0.82rem;
}

mark {
  background: rgba(245,158,11,0.35);
  color: inherit; border-radius: 2px; padding: 0 1px;
}

/* ── Stats Sidebar ── */
.stats-sidebar {
  width: 280px; flex-shrink: 0;
  border-left: 1px solid var(--border-subtle);
  overflow-y: auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}

.stats-section-title {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); margin-bottom: 6px;
}

.stats-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 8px; padding: 12px 14px;
}

.stats-col-name {
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 8px;
  word-break: break-all;
}

.stats-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 3px 0; font-size: 0.8rem;
}
.stats-label { color: var(--text-muted); }
.stats-value { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-secondary); }

.percent-indicator {
  margin-top: 8px; padding: 6px 10px;
  border-radius: 6px; font-size: 0.78rem; font-weight: 500;
}
.percent-ok  { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.25); }
.percent-low { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.25); }
.percent-hi  { background: rgba(239,68,68,0.15);  color: #f87171; border: 1px solid rgba(239,68,68,0.25); }

.group-stat-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; padding: 4px 0;
}
.group-stat-name { color: var(--text-secondary); font-size: 0.78rem; word-break: break-all; }
.group-stat-count {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.07);
  padding: 1px 7px; border-radius: 10px; flex-shrink: 0; margin-left: 6px;
}

.hidden-el { display: none !important; }

/* ── Column filter bar ── */
.filter-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 8px 16px; border-bottom: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.015);
  flex-shrink: 0;
}
.filter-bar-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.filter-group {
  display: flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border-subtle);
  border-radius: 8px; padding: 3px 6px 3px 8px;
}
.filter-group-name { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; margin-right: 2px; }
.filter-chip {
  padding: 2px 9px; border-radius: 5px; font-size: 0.73rem;
  cursor: pointer; background: rgba(255,255,255,0.06); color: var(--text-muted);
  border: 1px solid transparent; user-select: none; transition: all var(--dur-fast); white-space: nowrap;
}
.filter-chip:hover { background: rgba(255,255,255,0.12); color: var(--text-secondary); }
.filter-chip.active { background: var(--active-bg); color: var(--active-color); border: 1px solid var(--active-border); }
.filter-clear { font-size: 0.7rem; color: var(--text-muted); cursor: pointer; padding: 2px 6px; border-radius: 4px; }
.filter-clear:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

/* ── Column visibility dropdown ── */
.cols-dropdown-wrap { position: relative; }
.cols-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 50;
  background: #0d0a1a; border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 6px;
  min-width: 180px; max-height: 320px; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 2px;
}
.cols-dropdown-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 6px; cursor: pointer;
  font-size: 0.82rem; color: var(--text-secondary); user-select: none;
}
.cols-dropdown-item:hover { background: rgba(255,255,255,0.06); }
.cols-dropdown-item input[type=checkbox] { accent-color: var(--accent); cursor: pointer; }
.cols-dropdown-item.hidden-col { color: var(--text-muted); }

/* ── Heat map ── */
td.heat-cell { transition: background-color var(--dur); }
#btn-heat.active { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }
#btn-sparklines.active { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }

/* ── Sparklines ── */
.spark-wrap { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.spark-track { width: 100%; height: 3px; border-radius: 2px; background: rgba(255,255,255,0.08); }
.spark-fill { height: 100%; border-radius: 2px; background: var(--accent); transition: width var(--dur); }

/* ── Keyboard-focused row ── */
.row-data.keyboard-focused td {
  background: rgba(0,99,229,0.1) !important;
  outline: 1px solid rgba(0,99,229,0.25);
  outline-offset: -1px;
}

/* ── Copy-row button ── */
.copy-row-btn {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  opacity: 0; transition: opacity var(--dur-fast);
  background: rgba(255,255,255,0.09); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 8px;
  font-size: 0.7rem; color: var(--text-muted); cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px; white-space: nowrap;
  font-family: var(--font);
}
tr.row-data:hover .copy-row-btn { opacity: 1; }
.copy-row-btn:hover { background: rgba(255,255,255,0.18); color: var(--text-primary); }
.row-data td:last-child { position: relative; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  background: #1a1730; border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; padding: 10px 16px;
  font-size: 0.84rem; color: var(--text-primary);
  box-shadow: var(--shadow-md);
  pointer-events: none;
  transform: translateY(8px); opacity: 0;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.toast.visible { opacity: 1; transform: translateY(0); }

/* ── Nested object badge ── */
.nested-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 4px;
  font-size: 0.75rem; font-family: var(--font); font-weight: 500;
  background: rgba(124,58,237,0.15); color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.3);
  cursor: pointer; user-select: none;
  transition: background var(--dur-fast);
}
.nested-badge:hover { background: rgba(124,58,237,0.28); }

/* ── Wide modal variant for nested data ── */
.modal-box.modal-wide { max-width: 860px; }
.modal-period-cell {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--text-muted); white-space: nowrap;
}
.modal-project-cell {
  color: var(--text-primary); font-weight: 600; white-space: nowrap;
}
.modal-project-gap {
  color: transparent; border-bottom: none !important;
}

/* ── Column sorting ── */
thead th.sortable { cursor: pointer; user-select: none; }
thead th.sortable:hover { color: var(--text-secondary); background: rgba(255,255,255,0.04); }
thead th .sort-icon { margin-left: 5px; opacity: 0.25; font-style: normal; }
thead th.sort-asc  .sort-icon,
thead th.sort-desc .sort-icon { opacity: 1; color: var(--accent); }

/* ── Period filter pills (inside nested modal) ── */
.nested-filter-bar {
  padding: 12px 16px 8px;
  display: flex; gap: 6px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}
.nested-filter-pill {
  padding: 4px 13px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 500; font-family: var(--font);
  cursor: pointer; border: 1px solid var(--border);
  background: rgba(255,255,255,0.05); color: var(--text-muted);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.nested-filter-pill:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.nested-filter-pill.active { background: var(--active-bg); color: var(--active-color); border: 1px solid var(--active-border); }

/* ── Totals row inside nested table ── */
.nested-totals-row td {
  border-top: 1px solid var(--border) !important;
  background: rgba(255,255,255,0.04);
  font-weight: 700; color: var(--text-primary);
}

/* ── Distribution section below filtered table ── */
.nested-summary {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--border-subtle);
}
.nested-summary-title {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); margin-bottom: 8px;
}
.nested-dist-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 5px 0; font-size: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nested-dist-row:last-child { border-bottom: none; }
.nested-dist-metric {
  color: var(--text-muted); min-width: 140px; flex-shrink: 0;
  font-size: 0.78rem; padding-top: 3px;
}
.nested-dist-values { display: flex; flex-wrap: wrap; gap: 6px; }
.nested-dist-chip {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 5px; padding: 2px 9px;
  font-size: 0.78rem; color: var(--text-secondary);
}
.nested-dist-chip strong { color: var(--text-primary); margin-left: 4px; }

/* ── Pivot Toggle Button ── */
.btn-pivot-toggle {
  background: rgba(255,255,255,0.08); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-pivot-toggle:hover { background: rgba(255,255,255,0.14); }
.btn-pivot-toggle.active {
  background: var(--active-bg); color: var(--active-color); border: 1px solid var(--active-border);
}

/* ── Pivot Toolbar ── */
.pivot-toolbar {
  padding: 10px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0; flex-wrap: wrap;
}
.pivot-toolbar-label {
  font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-muted);
}
.pivot-select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-primary);
  font-family: var(--font); font-size: 0.875rem;
  padding: 7px 12px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.pivot-select:focus { border-color: var(--accent); background: rgba(255,255,255,0.07); }
.pivot-select option { background: #0d0a1a; }

/* ── Pivot Table ── */
.pivot-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.pivot-table thead {
  position: sticky; top: 0; z-index: 10;
  background: #0b0918;
}
.pivot-table thead th {
  padding: 10px 14px;
  text-align: left; font-weight: 600;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.pivot-table thead th.col-num { text-align: right; }
.pivot-table td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}
.pivot-table td.col-num {
  text-align: right;
  font-family: var(--font-mono); font-size: 0.82rem;
}
.pivot-table td.col-missing {
  text-align: right;
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-muted);
}
.pivot-table tr.pivot-totals-row {
  background: rgba(255,255,255,0.04);
}
.pivot-table tr.pivot-totals-row td {
  font-weight: 700;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
}
.pivot-table td.col-total {
  text-align: right;
  font-family: var(--font-mono); font-size: 0.82rem;
  font-weight: 600; color: var(--text-primary);
}

/* ── Timeline Chart ── */
.timeline-area {
  padding: 20px 24px 24px;
  display: flex; flex-direction: column; gap: 18px;
  overflow-y: auto;
}
.timeline-chart-wrap {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 20px 20px 12px;
  position: relative;
}
.timeline-chart-title {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px;
  color: var(--text-muted); text-transform: uppercase; margin-bottom: 16px;
}
.timeline-svg { display: block; width: 100%; overflow: visible; }
.timeline-axis-label { font-size: 11px; fill: var(--text-muted); font-family: var(--font); }
.timeline-grid { stroke: rgba(255,255,255,0.06); stroke-dasharray: 3 4; }
.timeline-line { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.timeline-dot {
  r: 4.5; stroke-width: 2; stroke: var(--bg);
  cursor: pointer; transition: r var(--dur-fast);
}
.timeline-dot:hover { r: 7; }
.timeline-legend {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  margin-top: 14px;
}
.timeline-legend-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.82rem; color: var(--text-secondary);
}
.timeline-legend-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.timeline-tooltip {
  position: fixed; z-index: 300;
  background: #0d0a1a; border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px;
  font-size: 0.8rem; color: var(--text-primary);
  pointer-events: none; opacity: 0;
  transition: opacity var(--dur-fast);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.timeline-tooltip.visible { opacity: 1; }
.timeline-tooltip strong { display: block; margin-bottom: 2px; color: var(--text-muted); font-weight: 500; }

.btn-chart-toggle {
  background: rgba(255,255,255,0.07);
  color: var(--text-secondary); border: 1px solid var(--border);
  border-radius: 7px; padding: 5px 12px; font-size: 0.82rem;
  font-family: var(--font); font-weight: 500; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.btn-chart-toggle:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }
.btn-chart-toggle.active {
  background: rgba(16,185,129,0.15); color: #10b981;
  border-color: rgba(16,185,129,0.35);
}

/* ── Record Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-box {
  background: #0d0a1a;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  width: 100%; max-width: 600px;
  max-height: 82vh;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.modal-title { font-size: 1.05rem; font-weight: 600; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 4px; border-radius: 5px;
  display: flex; align-items: center;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.modal-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
.modal-body { overflow-y: auto; }
.modal-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.modal-table thead th {
  padding: 10px 16px; text-align: left;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: #0b0918; position: sticky; top: 0;
}
.modal-table thead th.col-num { text-align: right; }
.modal-table td {
  padding: 9px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--text-secondary);
}
.modal-table tbody tr:last-child td { border-bottom: none; }
.modal-table td.col-num { text-align: right; font-family: var(--font-mono); font-size: 0.82rem; }
.modal-table td.group-cell { color: var(--text-primary); font-weight: 500; }
.modal-table td.kv-key {
  color: var(--text-muted); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.05em; width: 40%;
}
.modal-footer {
  padding: 14px 20px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; gap: 10px;
  flex-shrink: 0; background: rgba(255,255,255,0.02);
}
.modal-stat {
  display: flex; flex-direction: column; gap: 3px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 7px; padding: 8px 12px;
}
.modal-stat-label { font-size: 0.7rem; color: var(--text-muted); }
.modal-stat-value { font-family: var(--font-mono); font-size: 0.88rem; font-weight: 600; }
.pct-ok  { color: #34d399; }
.pct-low { color: #fbbf24; }
.pct-hi  { color: #f87171; }
:focus-visible {
  outline: 2px solid var(--accent-bright, #0080ff);
  outline-offset: 2px;
}
.skip-link {
  position: absolute; top: -100%; left: 16px; z-index: 1000;
  padding: 8px 16px; background: var(--accent-bright, #0080ff); color: #000;
  font-weight: 600; font-size: .875rem; border-radius: 0 0 6px 6px;
  text-decoration: none; transition: top var(--dur);
}
.skip-link:focus { top: 0; }

/* ── Button press feedback ────────────────────────────────────── */
button:active, .btn:active {
  transform: scale(0.97);
  transition-duration: var(--dur-fast);
}

/* ── Entrance animation ───────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Skeleton loading ─────────────────────────────────────────── */
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton {
  background: linear-gradient(90deg, var(--surface-1) 25%, var(--surface-2) 50%, var(--surface-1) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}