:root {
  --primary: #FFE600;
  --primary-dark: #e6cf00;
  --bg-dark: #1a1d23;
  --bg-card: #23272f;
  --bg-card2: #2a2f38;
  --text-main: #f0f0f0;
  --text-muted: #888;
  --border: #333;
  --green: #27ae60;
  --blue: #2980b9;
  --orange: #e67e22;
  --red: #e74c3c;
  --purple: #8e44ad;
  --teal: #1abc9c;
  --sidebar-width: 240px;
  --topbar-height: 60px;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left 0.3s;
}

.topbar {
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.menu-toggle, .btn-refresh {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 18px;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: background 0.2s;
}
.menu-toggle:hover, .btn-refresh:hover { background: var(--bg-card2); }

.page-title { font-size: 20px; font-weight: 600; }

.date-display { color: var(--text-muted); font-size: 14px; }

.user-avatar { font-size: 28px; color: var(--primary); cursor: pointer; }

.content-area { padding: 24px; flex: 1; }

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-left: 4px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s;
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.kpi-card.green { border-left-color: var(--green); }
.kpi-card.blue { border-left-color: var(--blue); }
.kpi-card.orange { border-left-color: var(--orange); }
.kpi-card.red { border-left-color: var(--red); }
.kpi-card.purple { border-left-color: var(--purple); }
.kpi-card.teal { border-left-color: var(--teal); }

.kpi-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.kpi-card.green .kpi-icon { background: rgba(39,174,96,0.15); color: var(--green); }
.kpi-card.blue .kpi-icon { background: rgba(41,128,185,0.15); color: var(--blue); }
.kpi-card.orange .kpi-icon { background: rgba(230,126,34,0.15); color: var(--orange); }
.kpi-card.red .kpi-icon { background: rgba(231,76,60,0.15); color: var(--red); }
.kpi-card.purple .kpi-icon { background: rgba(142,68,173,0.15); color: var(--purple); }
.kpi-card.teal .kpi-icon { background: rgba(26,188,156,0.15); color: var(--teal); }

.kpi-info { display: flex; flex-direction: column; gap: 2px; }
.kpi-label { font-size: 12px; color: var(--text-muted); }
.kpi-value { font-size: 22px; font-weight: 700; }
.kpi-change { font-size: 11px; }
.kpi-change.positive { color: var(--green); }
.kpi-change.negative { color: var(--red); }

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.chart-header h3 { font-size: 15px; font-weight: 600; }

.chart-actions { display: flex; gap: 6px; }
.chart-btn {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}
.chart-btn.active, .chart-btn:hover {
  background: var(--primary);
  color: #000;
  border-color: var(--primary);
}

/* Tables */
.tables-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.table-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.table-header h3 { font-size: 15px; font-weight: 600; }
.see-all { font-size: 12px; color: var(--primary); text-decoration: none; }
.see-all:hover { text-decoration: underline; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  text-align: left;
  padding: 10px 8px;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
}
.data-table td {
  padding: 10px 8px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-card2); }

.empty-state { text-align: center; color: var(--text-muted); padding: 24px; }

/* Alerts List */
.alerts-list { display: flex; flex-direction: column; gap: 10px; }
.alert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: var(--bg-card2);
  border-radius: 8px;
  border-left: 3px solid var(--orange);
}
.alert-item.critical { border-left-color: var(--red); }
.alert-item.info { border-left-color: var(--blue); }

/* Status Badge */
.badge {
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge.active { background: rgba(39,174,96,0.2); color: var(--green); }
.badge.paused { background: rgba(230,126,34,0.2); color: var(--orange); }
.badge.closed { background: rgba(231,76,60,0.2); color: var(--red); }

/* Page inner layout */
.page-container { padding: 24px; }
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 24px; font-weight: 700; }
.page-header p { color: var(--text-muted); margin-top: 4px; }

/* Filters bar */
.filters-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.filter-input, .filter-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  outline: none;
}
.filter-input:focus, .filter-select:focus { border-color: var(--primary); }

.btn-primary {
  background: var(--primary);
  color: #000;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--primary-dark); }

/* Responsive */
@media (max-width: 900px) {
  .charts-row, .tables-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .main-content { margin-left: 0; }
}

/* Store Switcher */
.store-switcher { position: relative; }
.store-switcher-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--text-primary);
  font-size: 13px; transition: border-color 0.2s;
}
.store-switcher-btn:hover { border-color: var(--primary); }
.store-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary); color: #000;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; flex-shrink: 0;
}
.store-avatar.connected { background: var(--green); color: #fff; }
.store-avatar.disconnected { background: var(--red); color: #fff; }
.store-avatar.all { background: var(--surface); color: var(--text-muted); }
.store-name { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.store-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: #23272f; border: 1px solid #444;
  border-radius: 10px; min-width: 220px; box-shadow: 0 8px 32px rgba(0,0,0,0.7);
  z-index: 200; overflow: hidden;
}
.store-dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; cursor: pointer; font-size: 13px; transition: background 0.15s;
  background: #23272f; color: #f0f0f0;
}
.store-dropdown-item:hover { background: #2a2f38; }
.store-avatar-sm {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
  background: var(--primary); color: #000;
}
.store-avatar-sm.connected { background: var(--green); color: #fff; }
.store-avatar-sm.disconnected { background: var(--red); color: #fff; }
.store-avatar-sm.all { background: var(--surface); color: var(--text-muted); }