/* ════════════════════════════════════════════════════════════════════════
   BBC Workplace EMP — Design System
   Premium energy-management SaaS · light + dark themes
   Theme is set via  <html data-theme="dark|light">  (see base.html bootstrap)
   ════════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Design tokens — dark (default) ─────────────────────────────────────── */
:root,
[data-theme="dark"] {
  color-scheme: dark;

  /* Surfaces */
  --bg-main:        #0e1014;
  --bg-mid:         #12141a;
  --bg-sidebar:     #0a0c10;
  --bg-card:        rgba(255,255,255,0.03);
  --bg-card-hover:  rgba(255,255,255,0.06);
  --bg-input:       rgba(255,255,255,0.05);
  --bg-elevated:    #181b22;

  /* Lines */
  --border:         rgba(255,255,255,0.08);
  --border-strong:  rgba(255,255,255,0.16);
  --border-accent:  rgba(91,140,255,0.45);

  /* Text */
  --txt-primary:    #e9ecf2;
  --txt-secondary:  rgba(233,236,242,0.64);
  --txt-muted:      rgba(233,236,242,0.40);

  /* Accent (single, restrained) */
  --accent:         #5b8cff;
  --accent-strong:  #7da4ff;
  --accent-soft:    rgba(91,140,255,0.14);

  /* Semantic status */
  --success:        #34d399;
  --success-soft:   rgba(52,211,153,0.13);
  --warning:        #fbbf24;
  --warning-soft:   rgba(251,191,36,0.13);
  --danger:         #f0716c;
  --danger-soft:    rgba(240,113,108,0.13);
  --info:           #38bdf8;
  --info-soft:      rgba(56,189,248,0.13);

  /* Utility (fuel) identity */
  --elec:           #38bdf8;
  --elec-soft:      rgba(56,189,248,0.13);
  --gas:            #f59e0b;
  --gas-soft:       rgba(245,158,11,0.13);

  /* Charts */
  --chart-1: #5b8cff;
  --chart-2: #38bdf8;
  --chart-3: #f59e0b;
  --chart-4: #34d399;
  --chart-5: #a78bfa;
  --chart-6: #f472b6;
  --chart-text:           rgba(233,236,242,0.62);
  --chart-grid:           rgba(255,255,255,0.07);
  --chart-axis:           rgba(233,236,242,0.35);
  --chart-tooltip-bg:     #181b22;
  --chart-tooltip-border: rgba(255,255,255,0.14);

  /* Neutral surface tints (white-alpha in dark, black-alpha in light) —
     used by per-page styles in templates so both themes work */
  --tint-02: rgba(255,255,255,0.02);
  --tint-03: rgba(255,255,255,0.03);
  --tint-04: rgba(255,255,255,0.04);
  --tint-05: rgba(255,255,255,0.05);
  --tint-06: rgba(255,255,255,0.06);
  --tint-07: rgba(255,255,255,0.07);
  --tint-08: rgba(255,255,255,0.08);
  --tint-10: rgba(255,255,255,0.10);
  --tint-12: rgba(255,255,255,0.12);
  --tint-15: rgba(255,255,255,0.15);
  --tint-20: rgba(255,255,255,0.20);

  /* Geometry & motion */
  --sidebar-w:      230px;
  --header-h:       58px;
  --radius:         12px;
  --radius-sm:      7px;
  --shadow:         0 8px 28px rgba(0,0,0,0.45);
  --shadow-sm:      0 2px 10px rgba(0,0,0,0.30);
  --transition:     0.16s ease;

  /* ── Legacy aliases (older templates reference these names) ──────────── */
  --accent-purple:  var(--accent);
  --accent-cyan:    var(--elec);
  --accent-orange:  var(--gas);
  --accent-gold:    var(--warning);
  --accent-green:   var(--success);
  --accent-pink:    #f472b6;
}

/* ── Design tokens — light ──────────────────────────────────────────────── */
[data-theme="light"] {
  color-scheme: light;

  --bg-main:        #f3f4f6;
  --bg-mid:         #eceef1;
  --bg-sidebar:     #ffffff;
  --bg-card:        #ffffff;
  --bg-card-hover:  rgba(22,24,29,0.045);
  --bg-input:       #ffffff;
  --bg-elevated:    #ffffff;

  --border:         rgba(22,24,29,0.10);
  --border-strong:  rgba(22,24,29,0.18);
  --border-accent:  rgba(37,99,235,0.45);

  --txt-primary:    #16181d;
  --txt-secondary:  rgba(22,24,29,0.66);
  --txt-muted:      rgba(22,24,29,0.44);

  --accent:         #2563eb;
  --accent-strong:  #1d4ed8;
  --accent-soft:    rgba(37,99,235,0.10);

  --success:        #059669;
  --success-soft:   rgba(5,150,105,0.10);
  --warning:        #b45309;
  --warning-soft:   rgba(180,83,9,0.10);
  --danger:         #dc2626;
  --danger-soft:    rgba(220,38,38,0.09);
  --info:           #0284c7;
  --info-soft:      rgba(2,132,199,0.10);

  --elec:           #0284c7;
  --elec-soft:      rgba(2,132,199,0.10);
  --gas:            #d97706;
  --gas-soft:       rgba(217,119,6,0.11);

  --chart-1: #2563eb;
  --chart-2: #0284c7;
  --chart-3: #d97706;
  --chart-4: #059669;
  --chart-5: #7c3aed;
  --chart-6: #db2777;
  --chart-text:           rgba(22,24,29,0.62);
  --chart-grid:           rgba(22,24,29,0.08);
  --chart-axis:           rgba(22,24,29,0.38);
  --chart-tooltip-bg:     #ffffff;
  --chart-tooltip-border: rgba(22,24,29,0.14);

  --tint-02: rgba(22,24,29,0.03);
  --tint-03: rgba(22,24,29,0.035);
  --tint-04: rgba(22,24,29,0.045);
  --tint-05: rgba(22,24,29,0.05);
  --tint-06: rgba(22,24,29,0.06);
  --tint-07: rgba(22,24,29,0.065);
  --tint-08: rgba(22,24,29,0.08);
  --tint-10: rgba(22,24,29,0.10);
  --tint-12: rgba(22,24,29,0.12);
  --tint-15: rgba(22,24,29,0.15);
  --tint-20: rgba(22,24,29,0.18);

  --shadow:         0 8px 28px rgba(22,24,29,0.10);
  --shadow-sm:      0 1px 4px rgba(22,24,29,0.07);

  --accent-pink:    #db2777;
}

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

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-main);
  color: var(--txt-primary);
  font-size: 13.5px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--txt-muted); }

/* ── Icons (inline SVG via _icons.html macro) ───────────────────────── */
.icon {
  display: inline-block;
  vertical-align: -0.18em;
  flex-shrink: 0;
}

/* ── Layout ─────────────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  z-index: 100;
  flex-shrink: 0;
}

/* Brand block */
.sidebar-brand {
  padding: 20px 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.bbc-logo-box {
  background: var(--txt-primary);
  color: var(--bg-sidebar);
  font-weight: 800;
  font-size: 10px;
  letter-spacing: -0.3px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
  font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
.sidebar-brand-text {
  display: flex; flex-direction: column; line-height: 1.1;
}
.sidebar-brand-top {
  font-size: 13px; font-weight: 700; color: var(--txt-primary);
  letter-spacing: 0.5px;
}
.sidebar-brand-sub {
  font-size: 9px; color: var(--txt-muted); letter-spacing: 1px;
  text-transform: uppercase;
}

/* Client switcher */
.client-switcher-wrap { padding: 8px 14px 10px; }
.client-switcher {
  width: 100%;
  background: var(--bg-input);
  color: var(--txt-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 28px 6px 9px;
  font-size: 12px;
  cursor: pointer;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-section-label {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--txt-muted);
  padding: 12px 10px 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--txt-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 450;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}
.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--txt-primary);
}
.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 550;
}
.nav-item .nav-icon {
  width: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.85;
}
.nav-item.active .nav-icon { opacity: 1; }

/* Modules still being built: a red hairline and a barrier mark, so nobody
   quotes from them as if they were finished. */
.nav-item.nav-wip {
  box-shadow: inset 0 0 0 1px var(--danger);
  margin: 2px 0;
}
.nav-item.nav-wip.active { background: var(--danger-soft); color: var(--txt-primary); }
.nav-wip-mark {
  margin-left: auto;
  display: inline-flex;
  color: var(--danger);
}
.wip-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  color: var(--txt-primary);
  font-size: 13px;
}
.wip-banner .icon { color: var(--danger); flex-shrink: 0; }

/* ── Drill-down panels ──────────────────────────────────────────────────
   A panel that opens under a table or chart eases in rather than jumping.
   Short and small on purpose: it should read as the page settling, not as
   an effect. Pair with openDrill()/closeDrill() in main.js. */
@keyframes drill-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}
@keyframes drill-out {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(-6px); }
}
/* No fill mode on the way in: if the browser does not run the animation
   (a background tab, a throttled pane) the panel is simply visible. */
.drill-panel.drill-open    { animation: drill-in 220ms cubic-bezier(.2, .7, .2, 1); }
.drill-panel.drill-closing { animation: drill-out 160ms ease-in forwards; pointer-events: none; }
/* A table row picked for drill-down fades to its highlight. */
.data-table tbody tr td { transition: background-color 180ms ease; }
@media (prefers-reduced-motion: reduce) {
  .drill-panel.drill-open, .drill-panel.drill-closing { animation: none; }
  .data-table tbody tr td { transition: none; }
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 10px;
  color: var(--txt-muted);
}

/* ── Main content area ───────────────────────────────────────────────── */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-main);
  min-height: 0;
}

/* Header bar */
.topbar {
  height: var(--header-h);
  min-height: var(--header-h);
  background: color-mix(in srgb, var(--bg-main) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  z-index: 50;
}
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--txt-primary);
  flex: 1;
  letter-spacing: -0.1px;
}
.topbar-subtitle {
  font-size: 11px;
  color: var(--txt-muted);
}

/* Theme toggle */
.theme-toggle {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--txt-secondary);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--txt-primary); border-color: var(--border-strong); background: var(--bg-card-hover); }
[data-theme="dark"]  .theme-icon-dark  { display: none; }
[data-theme="light"] .theme-icon-light { display: none; }

/* Signed-in user + sign out */
.topbar-user { display: flex; align-items: center; gap: 8px; margin: 0; flex-shrink: 0; }
.topbar-user-name {
  font-size: 12px; color: var(--txt-secondary); text-decoration: none;
  max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-user-name:hover { color: var(--txt-primary); }

/* Content scrollable zone */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  min-height: 0;
}

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-strong); }

.card-title {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--txt-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

/* ── KPI cards ───────────────────────────────────────────────────────── */
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-align: left;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.kpi-card-label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--txt-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 6px;
}
.kpi-card-value {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}
.kpi-card-sub {
  font-size: 10.5px;
  color: var(--txt-muted);
  margin-top: 4px;
}
.kpi-positive { color: var(--success); }
.kpi-negative { color: var(--danger); }
.kpi-neutral  { color: var(--txt-primary); }

/* Former glow variants → quiet accent top rail */
.kpi-card.glow-purple,
.kpi-card.glow-cyan,
.kpi-card.glow-orange { box-shadow: var(--shadow-sm); }
.kpi-card.glow-purple::before,
.kpi-card.glow-cyan::before,
.kpi-card.glow-orange::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2.5px;
}
.kpi-card.glow-purple::before { background: var(--accent); }
.kpi-card.glow-cyan::before   { background: var(--elec); }
.kpi-card.glow-orange::before { background: var(--gas); }

/* ── Grid helpers ────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 16px; }
@media (max-width:1100px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 800px) {
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
}

/* ── Filter bar ──────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.filter-bar label {
  font-size: 11px;
  color: var(--txt-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-right: 4px;
  font-weight: 600;
}

/* ── Form controls ───────────────────────────────────────────────────── */
select, input[type=text], input[type=date], input[type=number],
input[type=email], input[type=password], textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--txt-primary);
  border-radius: var(--radius-sm);
  padding: 7px 11px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
select { cursor: pointer; padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}
select option { background: var(--bg-elevated); color: var(--txt-primary); }
select:focus, input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type=checkbox], input[type=radio] { accent-color: var(--accent); }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: inherit;
  line-height: 1.3;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-strong); }
.btn-secondary {
  background: var(--bg-card-hover);
  color: var(--txt-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-strong); }
.btn-outline {
  background: transparent;
  color: var(--txt-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--txt-secondary);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--bg-card-hover); color: var(--txt-primary); }
.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
}
.btn-danger:hover { background: color-mix(in srgb, var(--danger) 22%, transparent); }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Badge ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px; font-weight: 600;
}
.link-plain { color: inherit; text-decoration: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px; }
.link-plain:hover { color: var(--accent); }
.link-plain svg { opacity: .4; }
.link-plain:hover svg { opacity: .9; }

/* Weather analysis expanded in place under its site row. */
.sw-chev { display: inline-flex; transition: transform .15s ease; }
.sw-toggle.open .sw-chev { transform: rotate(90deg); }
.sw-toggle.open svg { opacity: .9; }
/* [hidden] alone loses to the table's own display rules, so be explicit. */
.sw-detail[hidden] { display: none; }
.sw-detail > td { background: var(--tint-1); padding: 0; }
.sw-panel { padding: 16px 14px 18px; border-left: 2px solid var(--accent); }
.badge-cyan   { background: var(--elec-soft);    color: var(--elec); }
.badge-purple { background: var(--accent-soft);  color: var(--accent); }
.badge-orange { background: var(--gas-soft);     color: var(--gas); }
.badge-green  { background: var(--success-soft); color: var(--success); }
.badge-pink   { background: rgba(244,114,182,0.13); color: var(--accent-pink); }
.badge-gold   { background: var(--warning-soft); color: var(--warning); }

/* ── Table ───────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.data-table th {
  background: var(--bg-card-hover);
  color: var(--txt-secondary);
  font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--txt-primary);
}
.data-table tr:hover td { background: var(--bg-card-hover); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--success); }
.neg { color: var(--danger); }

/* ── Chart container ─────────────────────────────────────────────────── */
.chart-container {
  width: 100%;
  min-height: 300px;
  position: relative;
}
.chart-loading {
  display: flex; align-items: center; justify-content: center;
  min-height: 280px;
  color: var(--txt-muted);
  font-size: 13px;
  flex-direction: column; gap: 10px;
}

/* ── Tabs ────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 16px;
}
.tab-btn {
  flex: 1; text-align: center;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12.5px; font-weight: 500;
  color: var(--txt-muted);
  transition: all var(--transition);
  border: none;
  background: transparent;
  font-family: inherit;
}
.tab-btn:hover  { color: var(--txt-primary); background: var(--bg-card-hover); }
.tab-btn.active { background: var(--accent-soft); color: var(--accent); }

/* ── Module sub-navigation (Bill Validation et al.) ──────────────────── */
.sub-nav { display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap; }
.sub-nav a {
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 12px; font-weight: 500;
  background: transparent;
  color: var(--txt-secondary);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.sub-nav a:hover {
  background: var(--bg-card-hover);
  color: var(--txt-primary);
  border-color: var(--border-strong);
}
.sub-nav a.active,
.sub-nav a.dash-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
  font-weight: 600;
}

/* ── Utility selector (Electricity / Gas toggle) ─────────────────────── */
.utility-toggle {
  display: flex; gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.utility-toggle .ut-btn {
  flex: 1;
  padding: 7px 16px;
  background: transparent;
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 500;
  color: var(--txt-muted);
  transition: all var(--transition);
  font-family: inherit;
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
}
.utility-toggle .ut-btn.active-elec {
  background: var(--elec-soft);
  color: var(--elec);
  font-weight: 600;
}
.utility-toggle .ut-btn.active-gas {
  background: var(--gas-soft);
  color: var(--gas);
  font-weight: 600;
}
.utility-toggle .ut-btn:hover { color: var(--txt-primary); }

/* ── Modal ───────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open,
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 28px;
  width: min(520px, 94vw);
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
/* Default for the .modal-box variant used across bill-validation pages.
   Per-template overrides (same specificity, later in cascade) still win. */
.modal-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 24px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-title {
  font-size: 16px; font-weight: 700;
  margin-bottom: 18px;
  color: var(--txt-primary);
  letter-spacing: -0.2px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 11px; font-weight: 600;
  color: var(--txt-secondary);
  margin-bottom: 5px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.form-group select,
.form-group input,
.form-group textarea {
  width: 100%;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Progress / log (terminal aesthetic — fixed colours both themes) ──── */
.log-box {
  background: #0c0e12;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: 'SF Mono', 'Cascadia Mono', Consolas, 'Courier New', monospace;
  font-size: 12px;
  color: #4ade80;
  min-height: 120px;
  max-height: 300px;
  overflow-y: auto;
  line-height: 1.6;
}

/* ── Spinner ─────────────────────────────────────────────────────────── */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ───────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow);
  animation: slideIn 0.25s ease;
  max-width: 340px;
}
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.toast-success { background: #047857; }
.toast-error   { background: #b91c1c; }
.toast-info    { background: #1e40af; }

/* ── AI Chat ─────────────────────────────────────────────────────────── */
.chat-window {
  display: flex; flex-direction: column;
  height: calc(100vh - var(--header-h) - 180px);
  min-height: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.chat-messages {
  flex: 1; overflow-y: auto;
  padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px; line-height: 1.6;
  white-space: pre-wrap;
}
.chat-msg.user {
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  align-self: flex-end;
  color: var(--txt-primary);
}
.chat-msg.assistant {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  align-self: flex-start;
  color: var(--txt-primary);
}
.chat-msg.error {
  background: var(--danger-soft);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  color: var(--danger);
  align-self: flex-start;
}
.chat-input-row {
  display: flex; gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-card-hover);
}
.chat-input-row textarea {
  flex: 1; resize: none; height: 42px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

/* ── Status dots ─────────────────────────────────────────────────────── */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-green  { background: var(--success); }
.dot-orange { background: var(--warning); }
.dot-red    { background: var(--danger); }

/* ── Section headers ─────────────────────────────────────────────────── */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.section-title {
  font-size: 13px; font-weight: 600;
  color: var(--txt-primary);
}

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 40px 20px;
  color: var(--txt-muted);
}
.empty-state .empty-icon {
  font-size: 40px; margin-bottom: 12px; opacity: 0.45;
  display: flex; justify-content: center;
}
.empty-state .empty-icon .icon { width: 40px; height: 40px; }
.empty-state p { font-size: 13px; }

/* ── Divider ─────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ── Semantic text utilities ─────────────────────────────────────────── */
.text-elec   { color: var(--elec); }
.text-gas    { color: var(--gas); }
.text-green  { color: var(--success); }
.text-red    { color: var(--danger); }
.text-muted  { color: var(--txt-muted); }
.text-purple { color: var(--accent); }

/* ── Utilities ───────────────────────────────────────────────────────── */
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.hidden { display: none; }


/* ══════════════════════════════════════════════════════════════════════════
   PRINT / PDF STYLES
   ══════════════════════════════════════════════════════════════════════════ */
@media print {
  /* Force white background and black text for readability */
  :root, [data-theme="dark"], [data-theme="light"] {
    --bg-main:    #ffffff;
    --bg-card:    #f5f5f5;
    --txt-primary: #111111;
    --txt-muted:   #555555;
  }

  /* Hide chrome that doesn't belong in a PDF */
  .sidebar,
  .topbar,
  .filter-bar,
  .utility-toggle,
  .theme-toggle,
  #btn-refresh-cache,
  button[onclick="printDashboard()"],
  button[onclick="exportKpiData()"],
  .modebar,
  .toast-container {
    display: none !important;
  }

  /* Full-width content, no sidebar offset */
  .app-layout  { display: block !important; }
  .main-area   { margin-left: 0 !important; padding: 16px !important; width: 100% !important; background: #ffffff !important; }
  .main-content{ padding: 0 !important; }

  /* Page setup */
  html, body { background: #ffffff !important; color: #111 !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  /* Cards — light background, visible border */
  .card {
    background: #f8f8f8 !important;
    border: 1px solid #cccccc !important;
    box-shadow: none !important;
    break-inside: avoid;
    margin-bottom: 16px !important;
  }

  /* KPI cards — keep grid, use light colours */
  .kpi-card {
    background: #eeeeee !important;
    border: 1px solid #cccccc !important;
    box-shadow: none !important;
  }
  .kpi-card-value { color: #111111 !important; }
  .kpi-card-label,
  .kpi-card-sub   { color: #444444 !important; }
  .kpi-positive   { color: #1a7a3a !important; }
  .kpi-negative   { color: #c0392b !important; }

  /* Charts — allow page breaks between them */
  .chart-container { break-inside: avoid; min-height: 200px !important; }

  /* Grid layouts stay as-is on wide paper (landscape recommended) */
  @page { margin: 15mm; size: A4 landscape; }

  /* Section titles */
  .section-title, .card-title { color: #111 !important; }

  /* Temperature chart card */
  #temp-chart-card { break-before: page; }
}
