/* ── Dropdown panel ──────────────────────────────────────────────────── */
.cs-panel {
  position: fixed;   /* fixed so it's never clipped by overflow:hidden parents */
  z-index: 9900;
  min-width: 160px;
  background: rgba(10,6,2,0.76);
  backdrop-filter: blur(32px) saturate(1.6);
  -webkit-backdrop-filter: blur(32px) saturate(1.6);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 5px;
  max-height: 280px;
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s cubic-bezier(.4,0,.2,1);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.60),
    0 4px 12px rgba(0,0,0,0.40),
    inset 0 1px 0 rgba(255,255,255,0.06);
}
.cs-panel::-webkit-scrollbar { width: 3px; }
.cs-panel::-webkit-scrollbar-track { background: transparent; }
.cs-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }

.cs-panel--open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Individual option rows */
.cs-item {
  padding: 8px 14px;
  font-size: 13px;
  font-family: inherit;
  color: rgba(255,255,255,0.62);
  border-radius: 9px;
  cursor: pointer;
  transition: color .12s, background .12s;
  letter-spacing: 0.008em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
}
.cs-item:hover {
  color: rgba(255,255,255,0.95);
  background: rgba(255,255,255,0.06);
}
.cs-item--selected {
  color: #f59e0b;
  font-weight: 600;
}
.cs-item--selected::before {
  content: '▸ ';
  font-size: 9px;
  opacity: 0.7;
  vertical-align: 1px;
}
.cs-item--placeholder {
  color: rgba(255,255,255,0.30);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: default;
  padding: 6px 14px 4px;
}
.cs-item--placeholder:hover { background: none; color: rgba(255,255,255,0.30); }

/* Compact variant for small filter dropdowns */
.cs-wrap--sm .cs-trigger {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 8px;
}
.cs-wrap--sm .cs-item { font-size: 12px; padding: 6px 12px; }

/* Light theme overrides */
[data-theme="light"] .cs-trigger {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.10);
  color: var(--text);
}
[data-theme="light"] .cs-trigger:hover {
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.16);
}
[data-theme="light"] .cs-panel {
  background: rgba(250,248,244,0.90);
  border-color: rgba(0,0,0,0.09);
  box-shadow: 0 20px 60px rgba(0,0,0,0.18), 0 4px 12px rgba(0,0,0,0.10);
}
[data-theme="light"] .cs-item { color: rgba(0,0,0,0.65); }
[data-theme="light"] .cs-item:hover { color: rgba(0,0,0,0.90); background: rgba(0,0,0,0.05); }
[data-theme="light"] .cs-item--selected { color: #b45309; }
[data-theme="light"] .cs-item--placeholder { color: rgba(0,0,0,0.30); }
[data-theme="light"] .cs-caret { color: rgba(0,0,0,0.35); }

/* Light-theme contrast fixes — kill white-on-white hovers */
[data-theme="light"] .period-option:hover    { background: rgba(0,0,0,0.05); }
[data-theme="light"] .project-item:hover     { background: rgba(0,0,0,0.05); }

/* bm-row picker entries — proper hover in both themes */
.bm-row { transition: background-color .18s ease, border-color .18s ease, transform .12s ease; }
[data-theme="light"] .bm-row        { background: rgba(0,0,0,0.025) !important; }
[data-theme="light"] .bm-row:hover  { background: rgba(0,0,0,0.06)  !important; border-color: var(--accent) !important; }
[data-theme="dark"]  .bm-row:hover  { background: rgba(255,255,255,0.05) !important; border-color: rgba(245,158,11,0.28) !important; }

/* Native checkbox/radio accent — both themes */
input[type="radio"], input[type="checkbox"] { accent-color: var(--accent); }

/* Period radio rows — soft pill highlight when selected */
.period-option {
  border-radius: 10px;
  transition: background-color .18s ease;
}
.period-option:has(input:checked) { background: var(--accent-glow); }

/* Buttons in sidebar — tactile press */
.sb-btn:active:not(:disabled) { transform: scale(0.985); }

/* Eye-button visible in light theme */
[data-theme="light"] .eye-btn { color: var(--muted-hi); }
.eye-btn:hover { color: var(--text); }

/* Settings hint text contrast */
.form-hint { color: var(--muted-hi); }

/* AI output panel — readable in both themes */
[data-theme="dark"]  .ai-output { background: rgba(255,255,255,0.04); border:1px solid var(--border-dim); border-radius:12px; padding:14px; }
[data-theme="light"] .ai-output { background: rgba(0,0,0,0.035);     border:1px solid var(--border-dim); border-radius:12px; padding:14px; }

/* Empty-state polish */
.empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 80px 20px; text-align: center;
}
.empty .empty-icon { font-size: 56px; margin-bottom: 18px; opacity: .55; }
.empty h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; letter-spacing: -0.2px; }
.empty p  { font-size: 13px; color: var(--muted-hi); max-width: 460px; line-height: 1.55; }

/* iOS spinner — accent border */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border-std);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Native date picker icon visibility */
input[type="date"]::-webkit-calendar-picker-indicator { opacity: .7; cursor: pointer; }
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); }
input[type="date"]::-webkit-calendar-picker-indicator:hover { opacity: 1; }

/* freq-modal: rounder + theme-aware bg */
.freq-modal { border-radius: 22px !important; }
[data-theme="dark"]  .freq-modal { background: rgba(28,28,30,0.88) !important; }
[data-theme="light"] .freq-modal { background: rgba(255,255,255,0.94) !important; }

/* Smooth theme-switch transitions across all main surfaces */
.sidebar, .header, .chart-card, .efficiency-card, .ai-section,
.settings-card, .comp-table-wrap, .ca-kw-table-card {
  transition-property: background-color, color, border-color, box-shadow;
  transition-duration: .28s;
  transition-timing-function: cubic-bezier(.34,1.56,.64,1);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   Single-page redesigned layout
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* Two charts side-by-side at top of left column */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 760px) {
  .charts-row { grid-template-columns: 1fr; }
}
.chart-card-compact {
  padding: 18px 20px;
  position: relative;
}
/* Amber top-border accent on compact chart cards */
.chart-card-compact::before {
  content: '';
  position: absolute; top: 0; left: 20px; right: 20px; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(245,158,11,0.5), transparent);
  border-radius: 0 0 2px 2px;
  pointer-events: none;
}
.chart-card-compact .chart-card-header {
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.chart-card-compact .chart-title {
  font-size: 13.5px; font-weight: 700; letter-spacing: -0.3px;
}
.chart-card-compact .chart-title-icon {
  font-size: 16px; opacity: .85;
  filter: drop-shadow(0 1px 4px rgba(245,158,11,.4));
}
.chart-card-compact .chart-subtitle { font-size: 11px; margin-top: 2px; }
.chart-wrap-compact {
  min-height: 200px;
  position: relative;
}
.chart-wrap-compact canvas { max-height: 220px !important; min-height: 200px; }