/* ============================================================
   EAST SOLUTIONS SCADA — COMPONENT STYLES
   ============================================================ */

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width var(--transition-med);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: var(--topbar-height);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-logo-mark {
  width: 32px; height: 32px;
  background: var(--brand-orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.875rem;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-logo-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-logo-sub {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-orange);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 0;
}

.sidebar-section {
  margin-bottom: 4px;
}

.sidebar-section-label {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  padding: 8px 20px 4px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition-med);
}

.sidebar.collapsed .sidebar-section-label {
  opacity: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  margin: 1px 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(232,98,10,0.15);
  color: var(--brand-orange);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--brand-orange);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-badge {
  background: var(--status-critical);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 8px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-primary);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.sidebar-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-secondary);
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  transition: left var(--transition-med);
}

.topbar.sidebar-collapsed {
  left: var(--sidebar-collapsed);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

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

/* Site selector */
.site-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.8125rem;
  color: var(--text-primary);
  min-width: 180px;
}

.site-selector:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}

/* Search */
.topbar-search {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.topbar-search input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 7px 12px 7px 36px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.topbar-search input:focus {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(232,98,10,0.1);
}

.topbar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

/* Topbar icon buttons */
.topbar-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  position: relative;
}

.topbar-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.topbar-btn .alarm-count {
  position: absolute;
  top: 4px; right: 4px;
  width: 16px; height: 16px;
  background: var(--status-critical);
  color: #fff;
  font-size: 0.5rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: blink 2s infinite;
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.user-menu:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
}

.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--brand-orange);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-role {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: 500;
  animation: slideUp 0.2s ease;
  overflow: hidden;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-item.danger { color: var(--status-critical); }
.dropdown-item.danger:hover { background: rgba(239,68,68,0.1); }

.dropdown-divider {
  height: 1px;
  background: var(--border-primary);
  margin: 4px 0;
}

/* ============================================================
   ALARM BANNER
   ============================================================ */
.alarm-banner {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  animation: fadeIn 0.3s ease;
}

.alarm-banner-icon {
  font-size: 1.125rem;
  color: var(--status-critical);
  animation: blink 1.5s infinite;
  flex-shrink: 0;
}

.alarm-banner-text {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.alarm-banner-count {
  font-weight: 700;
  color: var(--status-critical);
}

/* ============================================================
   SITE CARDS
   ============================================================ */
.site-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.site-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--status-healthy);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.site-card:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.site-card:hover::after { transform: scaleX(1); }
.site-card.warning::after { background: var(--status-warning); }
.site-card.critical::after { background: var(--status-critical); }
.site-card.offline::after { background: var(--status-offline); }

.site-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.site-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.site-card-location {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-card-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-primary);
}

.site-kpi {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-kpi-label {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.site-kpi-value {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.site-kpi-unit {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.site-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-primary);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* ============================================================
   POWER FLOW DIAGRAM
   ============================================================ */
.power-flow {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
}

.pf-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 90px;
}

.pf-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 2px solid;
  position: relative;
}

.pf-icon.grid    { background: rgba(59,130,246,0.1);  border-color: rgba(59,130,246,0.4);  color: #60A5FA; }
.pf-icon.solar   { background: rgba(245,158,11,0.1);  border-color: rgba(245,158,11,0.4);  color: #F59E0B; }
.pf-icon.battery { background: rgba(34,197,94,0.1);   border-color: rgba(34,197,94,0.4);   color: #22C55E; }
.pf-icon.gen     { background: rgba(168,85,247,0.1);  border-color: rgba(168,85,247,0.4);  color: #A855F7; }
.pf-icon.load    { background: rgba(232,98,10,0.1);   border-color: rgba(232,98,10,0.4);   color: var(--brand-orange); }
.pf-icon.tx      { background: rgba(96,165,250,0.1);  border-color: rgba(96,165,250,0.4);  color: #60A5FA; }

.pf-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: center;
}

.pf-value {
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  text-align: center;
}

.pf-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--text-muted);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.pf-arrow.active { color: var(--brand-orange); }
.pf-arrow.reverse { transform: scaleX(-1); }

/* ============================================================
   ASSET LIST
   ============================================================ */
.asset-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.asset-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.asset-item:hover {
  border-color: var(--border-secondary);
  background: var(--bg-card-hover);
}

.asset-item-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.asset-item-info { flex: 1; min-width: 0; }
.asset-item-name { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.asset-item-sub  { font-size: 0.75rem; color: var(--text-muted); }

.asset-item-values {
  display: flex;
  gap: 16px;
  align-items: center;
}

.asset-value {
  text-align: right;
}

.asset-value-num {
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.asset-value-unit {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* ============================================================
   ALARM TABLE ROWS
   ============================================================ */
.alarm-row-critical td:first-child {
  border-left: 3px solid var(--status-critical);
}
.alarm-row-warning td:first-child {
  border-left: 3px solid var(--status-warning);
}
.alarm-row-advisory td:first-child {
  border-left: 3px solid var(--status-advisory);
}

.alarm-unack {
  background: rgba(239,68,68,0.04);
}

/* ============================================================
   CHART CONTAINERS
   ============================================================ */
.chart-container {
  position: relative;
  width: 100%;
}

.chart-canvas-wrapper {
  position: relative;
  width: 100%;
}

/* ============================================================
   COMMS STATUS INDICATORS
   ============================================================ */
.comms-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
}

.comms-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.comms-dot.online  { background: var(--status-healthy); box-shadow: 0 0 6px var(--status-healthy); }
.comms-dot.offline { background: var(--status-critical); }
.comms-dot.warning { background: var(--status-warning); }

/* ============================================================
   GATEWAY STATUS CARDS
   ============================================================ */
.gateway-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.gateway-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.gateway-info { flex: 1; min-width: 0; }
.gateway-name { font-size: 0.8125rem; font-weight: 600; color: var(--text-primary); }
.gateway-ip   { font-size: 0.6875rem; font-family: var(--font-mono); color: var(--text-muted); }

/* ============================================================
   PERMISSION MATRIX
   ============================================================ */
.permission-matrix {
  overflow-x: auto;
}

.permission-matrix table th,
.permission-matrix table td {
  text-align: center;
  padding: 10px 12px;
}

.permission-matrix table th:first-child,
.permission-matrix table td:first-child {
  text-align: left;
}

.perm-check {
  width: 18px; height: 18px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.perm-check.granted {
  background: rgba(34,197,94,0.2);
  color: var(--status-healthy);
  border: 1px solid rgba(34,197,94,0.4);
}

.perm-check.denied {
  background: rgba(107,114,128,0.1);
  color: var(--text-muted);
  border: 1px solid var(--border-primary);
}

/* ============================================================
   TREND CHART CONTROLS
   ============================================================ */
.trend-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.time-range-btn {
  padding: 5px 12px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.time-range-btn:hover { color: var(--text-primary); border-color: var(--border-secondary); }
.time-range-btn.active {
  background: var(--brand-orange);
  border-color: var(--brand-orange);
  color: #fff;
}

/* ============================================================
   SEARCH RESULTS DROPDOWN
   ============================================================ */
.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 600;
  max-height: 320px;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 0.8125rem;
}

.search-result-item:hover { background: var(--bg-tertiary); }

.search-result-icon {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.search-result-name { font-weight: 500; color: var(--text-primary); }
.search-result-path { font-size: 0.6875rem; color: var(--text-muted); }

/* ============================================================
   LIVE DATA PULSE
   ============================================================ */
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--status-healthy);
}

.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--status-healthy);
  animation: pulse-dot 1.5s infinite;
}

/* ============================================================
   STAT ROW
   ============================================================ */
.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-primary);
  font-size: 0.8125rem;
}

.stat-row:last-child { border-bottom: none; }
.stat-row-label { color: var(--text-muted); }
.stat-row-value { font-weight: 600; font-family: var(--font-mono); color: var(--text-primary); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}

.progress-fill.green  { background: var(--status-healthy); }
.progress-fill.orange { background: var(--brand-orange); }
.progress-fill.yellow { background: var(--status-warning); }
.progress-fill.red    { background: var(--status-critical); }
.progress-fill.blue   { background: var(--status-advisory); }

/* ============================================================
   SECTION DIVIDER WITH LABEL
   ============================================================ */
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 16px;
}

.section-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.section-divider-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}