/* ============================================================
   EMS Portal — Main Stylesheet
   ============================================================ */

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

:root {
  /* Sensori brand colours */
  --sensori-navy: #1a2744;
  --sensori-navy-dark: #111c33;
  --sensori-navy-light: #243052;
  --sensori-blue: #2e6fce;
  --sensori-blue-light: #4a8fe0;

  --sidebar-bg: var(--sensori-navy);
  --sidebar-text: #c8d6e5;
  --sidebar-muted: rgba(200, 214, 229, 0.45);
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --sidebar-hover: rgba(255, 255, 255, 0.06);
  --sidebar-active-bg: rgba(46, 111, 206, 0.25);
  --sidebar-active-text: #7eb3ff;
  --sidebar-active-border: var(--sensori-blue);
  --sidebar-width: 240px;

  --accent: var(--sensori-blue);
  --accent-hover: #1d5ab8;
  --success: #1d9e75;
  --warning: #e9a021;
  --danger: #e24b4a;

  --bg-page: #f4f6f9;
  --bg-card: #ffffff;
  --bg-secondary: #f8f9fb;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --radius: 10px;
  --radius-sm: 6px;

  --meter-color-1: #2563eb;
  --meter-color-2: #1d9e75;
  --meter-color-3: #e9a021;
  --meter-color-4: #e24b4a;
  --meter-color-5: #8b5cf6;
  --meter-color-6: #ec4899;
  --meter-color-7: #06b6d4;
  --meter-color-8: #f97316;
}

html, body { height: 100%; font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; font-size: 14px; color: var(--text-primary); background: var(--bg-page); }

a { color: inherit; text-decoration: none; }

/* ===================== Layout ===================== */

.ems-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ===================== Top banner ===================== */

.top-banner {
  background: var(--sensori-navy-dark);
  border-bottom: 3px solid var(--sensori-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 64px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  z-index: 100;
}

.top-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(46,111,206,0.04) 40px, rgba(46,111,206,0.04) 41px),
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(46,111,206,0.04) 40px, rgba(46,111,206,0.04) 41px);
  pointer-events: none;
}

.banner-left {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.banner-logo-img {
  height: 34px;
  width: auto;
  display: block;
}

.banner-divider {
  width: 1px;
  height: 28px;
  background: rgba(255,255,255,0.15);
}

.banner-product-name {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.banner-right {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.banner-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

.banner-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sensori-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.banner-user-name {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.banner-logout {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  padding: 5px 12px;
  border: 0.5px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  transition: all 0.15s;
}
.banner-logout:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.06);
}

/* ===================== Body below banner ===================== */

.ems-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===================== Sidebar ===================== */

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-nav {
  padding: 8px 0;
  border-bottom: 0.5px solid var(--sidebar-border);
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  color: var(--sidebar-text);
  transition: background 0.12s;
}
.nav-item:hover { background: var(--sidebar-hover); }
.nav-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left: 2px solid var(--sidebar-active-border);
  padding-left: 16px;
}
.nav-item svg { flex-shrink: 0; opacity: 0.8; }
.nav-item.active svg { opacity: 1; }

.sidebar-section {
  padding: 12px 18px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-muted);
  flex-shrink: 0;
}

.site-tree {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 8px;
}

.site-tree::-webkit-scrollbar { width: 4px; }
.site-tree::-webkit-scrollbar-track { background: transparent; }
.site-tree::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.tree-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 18px;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--sidebar-text);
  transition: background 0.1s;
  position: relative;
}
.tree-item:hover { background: var(--sidebar-hover); }
.tree-item.active { background: var(--sidebar-active-bg); color: var(--sidebar-active-text); border-left: 2px solid var(--sidebar-active-border); padding-left: 16px; }
.tree-item svg { flex-shrink: 0; opacity: 0.7; }

.tree-site { padding-left: 30px; font-size: 12px; }
.tree-meter { padding-left: 44px; font-size: 12px; color: rgba(200,214,229,0.85); }
.tree-meter:hover { color: #fff; }
.tree-submeter { padding-left: 58px; font-size: 11.5px; color: var(--sidebar-muted); cursor: default; }

.tree-client-name { font-size: 13px; font-weight: 500; color: #d1dde9; }
.tree-client-name .chevron { margin-left: auto; transition: transform 0.2s; }
.tree-client-name.open .chevron { transform: rotate(180deg); }

.tree-children { display: none; }
.tree-children.open { display: block; }

.sidebar-footer {
  padding: 10px 14px;
  border-top: 0.5px solid var(--sidebar-border);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.user-name { font-size: 12px; font-weight: 500; color: #d1dde9; }
.user-logout { font-size: 11px; color: var(--sidebar-muted); }
.user-logout:hover { color: #fff; }

/* ===================== Main content ===================== */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-page);
}

/* ===================== Topbar ===================== */

.topbar {
  background: var(--bg-card);
  border-bottom: 0.5px solid var(--border);
  padding: 10px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.topbar-breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.breadcrumb-client, .breadcrumb-site { color: var(--text-secondary); }
.breadcrumb-meter { color: var(--text-primary); font-weight: 500; }
.breadcrumb-sep { color: var(--text-muted); }

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}

.date-picker input[type="date"],
.date-picker input[type="month"],
.date-picker select {
  border: none;
  background: transparent;
  font-size: 12px;
  color: var(--text-primary);
  font-family: inherit;
  cursor: pointer;
  outline: none;
  padding: 0;
  max-width: 140px;
}

.period-toggle, .chart-type-toggle {
  display: flex;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.period-btn, .chart-type-btn {
  padding: 5px 12px;
  font-size: 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background 0.1s, color 0.1s;
}

.chart-type-btn { padding: 5px 10px; }

.period-btn:hover, .chart-type-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.period-btn.active, .chart-type-btn.active { background: var(--accent); color: #fff; }

/* ===================== Scrollable page body ===================== */

.page-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ===================== KPI cards ===================== */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 18px 22px 0;
  flex-shrink: 0;
}

.kpi-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.kpi-accent {
  height: 3px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.kpi-meter-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-value {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.kpi-unit {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.kpi-trend {
  font-size: 11px;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.kpi-trend.up { color: var(--danger); }
.kpi-trend.down { color: var(--success); }

/* ===================== Charts ===================== */

.chart-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 0 22px;
  margin-bottom: 14px;
}

.chart-card:first-of-type { margin-top: 14px; }

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.legend-row {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.legend-line {
  width: 20px;
  height: 3px;
  border-radius: 2px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

/* ===================== Meter selector bar (comparison) ===================== */

.meter-selector-bar {
  background: var(--bg-card);
  border-bottom: 0.5px solid var(--border);
  padding: 10px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.meter-selector-title {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  font-weight: 500;
}

.meter-checkboxes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.meter-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 0.5px solid var(--border-strong);
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  transition: border-color 0.15s, background 0.15s;
}

.meter-check-label:hover { border-color: var(--accent); }
.meter-check-label:has(input:checked) { border-color: var(--accent); background: rgba(37,99,235,0.05); }

.meter-check-label input[type="checkbox"] { width: 13px; height: 13px; accent-color: var(--accent); cursor: pointer; }

.meter-check-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.meter-check-name { font-weight: 500; color: var(--text-primary); }
.meter-check-site { font-size: 11px; color: var(--text-muted); }

/* ===================== Summary table ===================== */

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.summary-table th {
  text-align: left;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 0.5px solid var(--border);
  background: var(--bg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-table td {
  padding: 9px 12px;
  color: var(--text-primary);
  border-bottom: 0.5px solid var(--border);
}

.summary-table tr:last-child td { border-bottom: none; }
.summary-table tr:hover td { background: var(--bg-secondary); }

.meter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.change-up { color: var(--danger); }
.change-down { color: var(--success); }

/* ===================== Empty state ===================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  padding: 40px;
  color: var(--text-secondary);
}

.empty-state h2 { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; margin-bottom: 24px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-hover); }

/* ===================== Login ===================== */

.login-body {
  display: flex;
  align-items: stretch;
  min-height: 100vh;
  background: var(--sensori-navy);
}

.login-shell {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* Left brand panel */
.login-brand-panel {
  flex: 1;
  background: var(--sensori-navy);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.login-brand-panel::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(46, 111, 206, 0.08);
  pointer-events: none;
}

.login-brand-panel::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(46, 111, 206, 0.06);
  pointer-events: none;
}

.login-brand-content {
  position: relative;
  z-index: 1;
}

.login-brand-logo {
  height: 48px;
  width: auto;
  display: block;
  margin-bottom: 28px;
}

.login-brand-product {
  font-size: 22px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.login-brand-tagline {
  font-size: 14px;
  color: rgba(200, 214, 229, 0.6);
  font-style: italic;
  letter-spacing: 0.01em;
}

.login-brand-footer {
  font-size: 12px;
  color: rgba(200, 214, 229, 0.4);
  position: relative;
  z-index: 1;
}

/* Right form panel */
.login-form-panel {
  width: 440px;
  min-width: 440px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.login-form-inner {
  width: 100%;
  max-width: 340px;
}

.login-form-header {
  margin-bottom: 32px;
}

.login-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--sensori-navy);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.login-error {
  background: rgba(226, 75, 74, 0.08);
  color: var(--danger);
  border: 0.5px solid rgba(226, 75, 74, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--sensori-navy);
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-card);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus { border-color: var(--sensori-blue); }

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--sensori-navy);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  margin-top: 8px;
  letter-spacing: 0.02em;
  transition: background 0.15s;
}

.login-btn:hover { background: var(--sensori-navy-light); }

/* ===================== Submeter legend ===================== */

.submeter-legend {
  display: flex;
  gap: 14px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

/* ===================== Sidebar subsection items ===================== */

.tree-subsection {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 30px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: rgba(200,214,229,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.1s;
}
.tree-subsection:hover { background: var(--sidebar-hover); color: #fff; }
.tree-subsection .chevron { margin-left: auto; transition: transform 0.2s; }
.tree-subsection.open .chevron { transform: rotate(180deg); }

.tree-subsection-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 30px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: rgba(124, 58, 237, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.1s;
  text-decoration: none;
}
.tree-subsection-link:hover { background: var(--sidebar-hover); color: #c4b5fd; }
.tree-subsection-link.
cat >> /var/www/sensoriems/ems_project/static/css/main.css << 'EOF'

/* ===================== Sidebar subsection items ===================== */

.tree-subsection {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 30px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: rgba(200,214,229,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.1s;
}
.tree-subsection:hover { background: var(--sidebar-hover); color: #fff; }
.tree-subsection .chevron { margin-left: auto; transition: transform 0.2s; }
.tree-subsection.open .chevron { transform: rotate(180deg); }

.tree-subsection-link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 30px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: rgba(124, 58, 237, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.1s;
  text-decoration: none;
}
.tree-subsection-link:hover { background: var(--sidebar-hover); color: #c4b5fd; }
.tree-subsection-link.active-foresight {
  background: rgba(124,58,237,0.2);
  color: #c4b5fd;
  border-left: 2px solid var(--foresight-accent);
  padding-left: 28px;
}
/* ===================== Comparison sidebar checkboxes ===================== */

.comp-check-label {
  cursor: pointer;
  user-select: none;
}

.comp-check-label input[type="checkbox"] {
  width: 13px;
  height: 13px;
  accent-color: var(--sensori-blue);
  cursor: pointer;
  flex-shrink: 0;
  margin-right: 2px;
}

.comp-check-label:hover {
  background: var(--sidebar-hover);
}

.btn-clear-selection {
  padding: 5px 12px;
  font-size: 12px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.btn-clear-selection:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* Weather point tree items */
.tree-weather-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 30px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  color: rgba(200,214,229,0.7);
  transition: background 0.1s;
}
.tree-weather-header:hover { background: var(--sidebar-hover); color: #fff; }
.tree-weather-header .chevron { margin-left: auto; transition: transform 0.2s; }
.tree-weather-header.open .chevron { transform: rotate(180deg); }

.tree-weather-point {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px 5px 44px;
  font-size: 11.5px;
  color: rgba(29,158,117,0.85);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.1s;
}
.tree-weather-point:hover { background: var(--sidebar-hover); color: #1d9e75; }
.tree-weather-point.active { color: #1d9e75; font-weight: 500; border-left: 2px solid #1d9e75; padding-left: 42px; }
/* ===================== Navigation dropdown ===================== */

.nav-dropdown-wrapper {
  position: relative;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 13px;
  cursor: pointer;
  color: var(--sidebar-text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: background 0.12s;
}
.nav-dropdown-btn:hover { background: var(--sidebar-hover); }
.nav-dropdown-btn.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left: 2px solid var(--sidebar-active-border);
  padding-left: 16px;
}
.nav-dropdown-btn .nav-chevron {
  margin-left: auto;
  transition: transform 0.2s;
}
.nav-dropdown-btn.open .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  background: rgba(0,0,0,0.2);
  border-left: 2px solid var(--sidebar-active-border);
  margin-left: 8px;
}
.nav-dropdown-menu.open { display: block; }

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px 7px 28px;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: background 0.1s;
}
.nav-dropdown-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-dropdown-item.active { color: var(--sidebar-active-text); }

/* ===================== Date navigation arrows ===================== */

.date-arrow {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s;
  font-family: inherit;
}
.date-arrow:hover { color: var(--sensori-blue); }
/* ===================== View switcher dropdown ===================== */

.view-switcher {
  position: relative;
}

.view-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: border-color 0.15s;
  white-space: nowrap;
}
.view-switcher-btn:hover { border-color: var(--sensori-blue); }
.view-switcher-btn .nav-chevron { transition: transform 0.2s; margin-left: 2px; }
.view-switcher-btn.open .nav-chevron { transform: rotate(180deg); }

.view-switcher-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--bg-card);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  z-index: 100;
  min-width: 180px;
  overflow: hidden;
}
.view-switcher-menu.open { display: block; }

.view-switcher-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.1s;
  white-space: nowrap;
}
.view-switcher-item:hover { background: var(--bg-secondary); }
.view-switcher-item.active { color: var(--sensori-blue); font-weight: 500; }