/* ═══════════════════════════════════════════════════════════════
   ACTIVITY HEATMAP
   ═══════════════════════════════════════════════════════════════ */

/* Year Navigation */
.hm-year-nav {
  display: flex; align-items: center; gap: 8px; margin-left: auto;
}
.hm-year-btn {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px; padding: 4px 10px;
  cursor: pointer; font-size: 0.8rem; transition: all 0.15s;
}
.hm-year-btn:hover { border-color: var(--accent); color: var(--accent); }
#hm-year-label {
  font-family: var(--font-mono); font-weight: 700; font-size: 1rem;
  color: var(--text);
}

/* Stats Bar */
.hm-stats {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px;
}
.hm-stat {
  flex: 1; min-width: 90px; text-align: center;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 8px;
}
.hm-stat-val {
  font-family: var(--font-mono); font-size: 1.2rem; font-weight: 700;
  color: var(--text);
}
.hm-stat-today { color: #4ade80; }
.hm-stat-streak { color: #f59e0b; }
.hm-stat-label {
  font-size: 0.65rem; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.05em; margin-top: 2px;
}

/* Filters */
.hm-filters {
  display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.hm-filter-btn {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  color: var(--muted); padding: 4px 12px; border-radius: 16px;
  font-size: 0.72rem; font-family: var(--font-mono); cursor: pointer;
  transition: all 0.2s;
}
.hm-filter-btn:hover { border-color: var(--fc, var(--accent)); color: var(--fc, var(--accent)); }
.hm-filter-btn.active {
  background: var(--fc, var(--accent)); border-color: var(--fc, var(--accent));
  color: var(--bg); font-weight: 600;
}

/* Grid Layout */
.hm-grid-wrap {
  display: flex; gap: 6px; margin-bottom: 10px;
}
.hm-day-labels {
  display: flex; flex-direction: column; gap: 3px;
  font-size: 0.6rem; color: var(--muted); font-family: var(--font-mono);
  padding-top: 18px;
}
.hm-day-labels div { height: 13px; line-height: 13px; }
.hm-grid-scroll {
  overflow-x: auto; flex: 1;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.hm-month-labels {
  display: grid; grid-template-columns: repeat(53, 13px); gap: 3px;
  margin-bottom: 3px;
}
.hm-month-label {
  font-size: 0.58rem; color: var(--muted); font-family: var(--font-mono);
  height: 14px; line-height: 14px;
}

/* The Grid Cells */
.hm-grid {
  display: grid;
  grid-template-rows: repeat(7, 13px);
  grid-auto-flow: column;
  grid-auto-columns: 13px;
  gap: 3px;
}
.hm-cell {
  width: 13px; height: 13px; border-radius: 3px;
  cursor: pointer; transition: all 0.15s ease;
  position: relative;
}
.hm-cell:hover {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}
.hm-cell.hm-today {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  box-shadow: 0 0 6px rgba(212,160,56,0.4);
}
.hm-cell.hm-outside { opacity: 0.3; cursor: default; }

/* Legend */
.hm-legend {
  display: flex; align-items: center; gap: 4px; justify-content: flex-end;
  font-size: 0.65rem; color: var(--muted); margin-bottom: 20px;
}
.hm-legend-cell {
  width: 13px; height: 13px; border-radius: 3px;
}
.hm-legend-cell[data-level="0"] { background: rgba(255,255,255,0.04); }
.hm-legend-cell[data-level="1"] { background: rgba(74,222,128,0.25); }
.hm-legend-cell[data-level="2"] { background: rgba(74,222,128,0.5); }
.hm-legend-cell[data-level="3"] { background: rgba(74,222,128,0.75); }
.hm-legend-cell[data-level="4"] { background: rgba(74,222,128,1.0); }

/* Tooltip */
.hm-tooltip {
  position: absolute; z-index: 100;
  background: var(--surface2); border: 1px solid var(--accent);
  border-radius: 8px; padding: 8px 12px;
  pointer-events: none; transform: translate(-50%, -100%);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  min-width: 160px; max-width: 240px;
}
.hm-tooltip.hidden { display: none; }
.hm-tip-date { font-size: 0.75rem; font-weight: 600; color: var(--text); }
.hm-tip-count { font-size: 0.7rem; color: var(--accent); margin: 2px 0 4px; }
.hm-tip-breakdown { font-size: 0.68rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 4px; }
.hm-tip-breakdown div { padding: 1px 0; }
.hm-tip-breakdown strong { color: var(--text); }

/* Day Detail Panel */
.hm-detail {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px; margin-bottom: 16px;
  animation: fadeInDown 0.2s var(--ease-out);
}
.hm-detail.hidden { display: none; }
.hm-detail-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.hm-detail-date { font-weight: 600; color: var(--text); font-size: 0.9rem; }
.hm-detail-total { color: var(--accent); font-family: var(--font-mono); font-size: 0.8rem; }
.hm-detail-close {
  margin-left: auto; background: none; border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px; padding: 2px 8px;
  cursor: pointer; font-size: 0.8rem;
}
.hm-detail-close:hover { color: var(--red); border-color: var(--red); }
.hm-detail-row {
  display: flex; align-items: center; gap: 8px; padding: 3px 0;
}
.hm-detail-cat { font-size: 0.75rem; color: var(--muted); min-width: 120px; }
.hm-detail-bar-bg {
  flex: 1; height: 8px; background: rgba(255,255,255,0.05);
  border-radius: 4px; overflow: hidden;
}
.hm-detail-bar {
  height: 100%; border-radius: 4px;
  transition: width 0.5s var(--ease-out);
}
.hm-detail-val { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text); min-width: 24px; text-align: right; }

/* Monthly Table */
.hm-section-title {
  font-size: 0.9rem; font-weight: 700; color: var(--text);
  margin: 12px 0 8px;
}
.hm-table {
  width: 100%; border-collapse: collapse; font-size: 0.72rem;
  font-family: var(--font-mono);
}
.hm-table th {
  padding: 6px 4px; font-weight: 600; color: var(--muted);
  border-bottom: 1px solid var(--border); text-align: center;
  font-size: 0.9rem;
}
.hm-table td { padding: 4px; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.03); }
.hm-table-month { text-align: left !important; color: var(--muted); font-weight: 500; }
.hm-table-cell {
  display: inline-block; min-width: 22px; padding: 2px 4px;
  border-radius: 4px; font-size: 0.65rem; color: var(--text);
  transition: all 0.2s; cursor: default;
}
.hm-table-cell:hover { transform: scale(1.3); }
.hm-table-total { font-weight: 700; color: var(--accent); }

/* Fun Stats */
.hm-fun {
  margin-top: 16px; padding: 14px;
  background: linear-gradient(135deg, rgba(212,160,56,0.05), rgba(74,222,128,0.03));
  border: 1px solid var(--border); border-radius: 10px;
}
.hm-fun-title { font-weight: 700; color: var(--accent); margin-bottom: 8px; font-size: 0.85rem; }
.hm-fun-item { font-size: 0.8rem; color: var(--text); padding: 3px 0; }
.hm-fun-item strong { color: var(--accent-hi); }

/* Confetti Canvas */
.hm-confetti {
  position: fixed; inset: 0; z-index: 999999;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════
   STATISTICS PANELS (Usage Stats + Chat Stats)
   ═══════════════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stats-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  transition: border-color 0.3s, transform 0.2s;
}
.stats-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.stats-card-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.stats-card-label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stats-chart {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.stats-chart canvas {
  width: 100% !important;
  max-height: 260px;
  display: block;
}
.stats-chart-title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px 0;
}
.stats-rank-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.stats-rank-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stats-rank-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  transition: background 0.2s;
}
.stats-rank-item:hover {
  background: rgba(255,255,255,0.05);
}
.stats-rank-pos {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 22px;
}
.stats-rank-name {
  font-size: 0.8rem;
  color: var(--text);
  flex: 1;
}
.stats-rank-bar-bg {
  flex: 2;
  height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
}
.stats-rank-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}
.stats-rank-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  min-width: 36px;
  text-align: right;
}
.stats-provider-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}
.stats-provider-detail:hover {
  border-color: var(--accent);
}
.stats-provider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stats-provider-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  min-width: 90px;
}
.stats-provider-info {
  font-size: 0.72rem;
  color: var(--muted);
  flex: 1;
  font-family: var(--font-mono);
}
.stats-provider-cost {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

/* ═══════════════════════════════════════════════
   CALCULATOR
   ═══════════════════════════════════════════════ */
.calc-display {
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
  min-height: 70px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-align: right;
  overflow: hidden;
}
.calc-expr {
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.2em;
  word-break: break-all;
  font-family: 'IBM Plex Mono', monospace;
}
.calc-result {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  word-break: break-all;
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}
.calc-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: 'IBM Plex Mono', monospace;
  padding: 12px 0;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.calc-btn:hover {
  background: rgba(212,160,56,0.12);
  border-color: var(--accent);
}
.calc-btn:active {
  transform: scale(0.95);
}
.calc-btn.calc-op {
  color: var(--accent);
  font-weight: 700;
}
.calc-btn.calc-eq {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  border-color: var(--accent);
}
.calc-btn.calc-eq:hover {
  background: var(--accent-hi);
}
.calc-btn.calc-mem {
  font-size: 0.75rem;
  color: var(--muted);
}
.calc-btn.calc-mem:hover {
  color: var(--accent);
}
.calc-btn.calc-clear {
  color: #e05555;
  font-weight: 700;
}
.calc-history {
  max-height: 180px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.calc-history-title {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.calc-history-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  font-family: 'IBM Plex Mono', monospace;
}
.calc-history-item:hover {
  background: rgba(212,160,56,0.08);
}
.calc-history-expr {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 55%;
}
.calc-history-result {
  color: var(--accent);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════
   COLOR PICKER
   ═══════════════════════════════════════════════ */
.clr-main {
  display: flex;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 14px;
}
.clr-native {
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: transparent;
  padding: 0;
  flex-shrink: 0;
}
.clr-native::-webkit-color-swatch-wrapper { padding: 0; }
.clr-native::-webkit-color-swatch { border: 2px solid var(--border); border-radius: 10px; }
.clr-native::-moz-color-swatch { border: 2px solid var(--border); border-radius: 10px; }
.clr-preview {
  flex: 1;
  min-height: 60px;
  border-radius: 10px;
  border: 2px solid var(--border);
  transition: background-color 0.2s;
}
.clr-inputs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.clr-input-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.clr-input-group label {
  font-size: 0.65rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.clr-field {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  padding: 6px 8px;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.15s;
  cursor: pointer;
}
.clr-field:hover { border-color: var(--accent); }
.clr-field:focus { outline: none; border-color: var(--accent); }
.clr-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.clr-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  min-height: 20px;
}
.clr-swatch {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: all 0.15s;
  flex-shrink: 0;
}
.clr-swatch:hover {
  transform: scale(1.15);
  border-color: var(--accent);
}
.clr-swatch-del {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #e05555;
  color: #fff;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
  cursor: pointer;
  display: none;
  border: none;
  padding: 0;
}
.clr-swatch:hover .clr-swatch-del {
  display: block;
}
.clr-export-area {
  margin-top: 8px;
}