/* ==========================================================================
   Agentic FacilityOps AI Platform - Design System & Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;

  /* ============================================================
     Color Palette — Deep Navy & Steel Sky
     Inspired by: Siemens, IBM Maximo, Honeywell Forge,
     Schneider Electric EcoStruxure, Johnson Controls Metasys
     ============================================================ */
  --color-primary:        #1B3D6F; /* Deep Navy — authority, precision */
  --color-accent:         #0EA5E9; /* Sky Blue — intelligence, agility */
  --color-background:     #F0F4F8; /* Cool slate off-white */
  --color-card:           #FFFFFF;
  --color-text:           #0D1B2A; /* Darkest navy for body text */
  --color-text-secondary: #4A6080; /* Steel blue-gray */
  --color-success:        #10B981; /* Emerald */
  --color-warning:        #F59E0B; /* Amber */
  --color-danger:         #EF4444; /* Red */

  /* Functional Surface Colors */
  --color-border:         #D1DCE8; /* Cool blue-gray border */
  --color-border-light:   #E8EEF5; /* Lighter surface tint */
  --color-hover:          #E8EEF5;
  --color-sidebar-bg:     #FFFFFF;
  --color-console-bg:     #0D1B2A; /* Deep Navy console */
  --color-console-text:   #E0EAF4;

  /* Tint/Glow tokens for badges, icons, highlights */
  --color-accent-tint:    rgba(14, 165, 233, 0.08);
  --color-accent-glow:    rgba(14, 165, 233, 0.22);
  --color-primary-tint:   rgba(27, 61, 111, 0.05);
  --color-primary-glow:   rgba(27, 61, 111, 0.15);

  /* Shadows */
  --shadow-sm:  0 1px 3px 0 rgba(13, 27, 42, 0.06);
  --shadow-md:  0 4px 8px -2px rgba(13, 27, 42, 0.08), 0 2px 4px -2px rgba(13, 27, 42, 0.05);
  --shadow-lg:  0 12px 20px -4px rgba(13, 27, 42, 0.10), 0 4px 8px -4px rgba(13, 27, 42, 0.06);
  --shadow-focus: 0 0 0 4px var(--color-accent-glow);

  /* Border Radii */
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --radius-round: 50%;

  /* Spacing Grid (8px base) */
  --space-05: 4px;
  --space-1:  8px;
  --space-15: 12px;
  --space-2:  16px;
  --space-25: 20px;
  --space-3:  24px;
  --space-4:  32px;
  --space-5:  40px;
  --space-6:  48px;

  /* Layout Dimensions */
  --sidebar-width: 260px;
  --topbar-height: 70px;
}

/* =============================================================
   Dark Theme Override — Deep Space Navy
   Clean, premium dark mode with cool navy tones.
   ============================================================= */
body.dark-theme {
  --color-background:     #070E18; /* Deep space dark */
  --color-card:           #0D1929; /* Rich navy card surface */
  --color-text:           #E4EEF8; /* Soft white-blue text */
  --color-text-secondary: #7A97B8; /* Steel blue-gray secondary */
  --color-border:         #1C3150; /* Deep navy border */
  --color-border-light:   #152540; /* Darker inner border */
  --color-hover:          #152845;
  --color-sidebar-bg:     #0D1929;
  --color-console-bg:     #040A12;
  --color-console-text:   #C8DFF2;

  --shadow-sm:  0 1px 3px 0 rgba(0, 0, 0, 0.45);
  --shadow-md:  0 4px 8px -2px rgba(0, 0, 0, 0.40), 0 2px 4px -2px rgba(0, 0, 0, 0.35);
  --shadow-lg:  0 12px 20px -4px rgba(0, 0, 0, 0.50), 0 4px 8px -4px rgba(0, 0, 0, 0.40);
  --shadow-focus: 0 0 0 4px var(--color-accent-glow);

  /* Dark mode tint/glow tokens */
  --color-accent-tint:    rgba(14, 165, 233, 0.14);
  --color-accent-glow:    rgba(14, 165, 233, 0.30);
  --color-primary-tint:   rgba(228, 238, 248, 0.06);
  --color-primary-glow:   rgba(228, 238, 248, 0.12);
}

/* ==========================================================================
   Resets & Base Styles
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button, input, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Focus outline system */
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-muted { color: var(--color-text-secondary); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

/* ==========================================================================
   Reusable UI Components
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #142E55; /* Darker Deep Navy */
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-card);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-hover);
  border-color: var(--color-border);
}

.btn-text {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 8px 12px;
}

.btn-text:hover {
  color: var(--color-text);
  background-color: var(--color-hover);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
  border-radius: 6px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  gap: 4px;
}

.badge-success {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.badge-neutral {
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
}

.badge-primary {
  background-color: var(--color-accent-tint);
  color: var(--color-accent);
}

/* Cards */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Form controls (mock inputs) */
.form-group {
  margin-bottom: var(--space-2);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background-color: var(--color-card);
  color: var(--color-text);
  transition: border-color 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Pulsing Status Dot */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  display: inline-block;
  position: relative;
}

.status-dot.pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: inherit;
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.8); opacity: 0; }
}

/* ==========================================================================
   Page: Get Started / Landing (index.html)
   ========================================================================== */
.landing-body {
  background: radial-gradient(circle at top right, var(--color-accent-tint), transparent 600px),
              radial-gradient(circle at bottom left, var(--color-primary-tint), transparent 600px),
              var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.brand-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #FFFFFF;
}

.brand-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hero Section */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6) var(--space-3) var(--space-4) var(--space-3);
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  background-color: var(--color-border-light);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 9999px;
  margin-bottom: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-badge-tag {
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 9999px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.hero h1 span {
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

/* Onboarding Flow Grid */
.onboarding-section {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto var(--space-6) auto;
  padding: 0 var(--space-3);
}

.onboarding-title {
  text-align: center;
  margin-bottom: var(--space-4);
}

.onboarding-title h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.onboarding-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.onboarding-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
  overflow: hidden;
}

.onboarding-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.onboarding-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8125rem;
  margin-bottom: var(--space-2);
}

.onboarding-card.active-step {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.onboarding-card.active-step .onboarding-step-num {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.onboarding-card-visual {
  height: 160px;
  background-color: var(--color-border-light);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-2);
}

/* Card 1 Visual: Form simulation */
.visual-form {
  background: var(--color-card);
  width: 90%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-15);
  box-shadow: var(--shadow-sm);
  transform: translateY(10px);
}
.visual-form-line {
  height: 6px;
  background-color: var(--color-hover);
  border-radius: 3px;
  margin-bottom: 8px;
  width: 60%;
}
.visual-form-line:nth-child(2) {
  width: 80%;
  height: 10px;
  background-color: #E2E8F0;
}
.visual-form-line:nth-child(3) {
  width: 40%;
}

/* Card 2 Visual: Connectors network map */
.visual-connectors {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--space-2);
}

.connector-node {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.connector-center {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  z-index: 2;
  box-shadow: 0 4px 6px var(--color-accent-glow);
}

.connector-line {
  position: absolute;
  height: 2px;
  background-color: var(--color-border);
  z-index: 1;
  width: 80%;
  left: 10%;
  top: 50%;
  transform: translateY(-50%);
}

.connector-line-pulse {
  position: absolute;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  width: 40px;
  animation: line-flow 2s infinite linear;
}

@keyframes line-flow {
  0% { left: 10%; }
  100% { left: 80%; }
}

/* Card 3 Visual: Agent Toggle switches */
.visual-agent-toggle {
  background: var(--color-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: var(--space-15);
  width: 90%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.visual-agent-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.toggle-switch {
  width: 40px;
  height: 22px;
  background-color: var(--color-primary);
  border-radius: 99px;
  position: relative;
  cursor: pointer;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background-color: white;
  border-radius: 50%;
  top: 3px;
  right: 3px;
  transition: transform 0.2s ease;
}

/* Get started footer */
.landing-footer {
  text-align: center;
  padding: var(--space-3) var(--space-2);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  margin-top: auto;
}

/* ==========================================================================
   Dashboard Shell Layout (dashboard.html)
   ========================================================================== */
.dashboard-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
  background-color: var(--color-background);
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-menu {
  list-style: none;
  padding: var(--space-2) var(--space-15);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-15);
  margin-top: var(--space-15);
}

.sidebar-menu-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--space-15);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.15s ease;
}

.sidebar-menu-item a:hover {
  background-color: var(--color-hover);
  color: var(--color-text);
}

.sidebar-menu-item.active a {
  background-color: var(--color-accent-tint);
  color: var(--color-accent);
  font-weight: 600;
}

.sidebar-menu-item.disabled a {
  color: #94A3B8;
  pointer-events: none;
  cursor: not-allowed;
}

.sidebar-menu-item-link-content {
  display: flex;
  align-items: center;
  gap: var(--space-15);
}

.sidebar-menu-item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

/* System Status Block in Sidebar Footer */
.system-status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
}

/* Main Dashboard Panel */
.main-panel {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left 0.3s ease;
}

/* Top Navigation Bar */
.topbar {
  height: var(--topbar-height);
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-3);
  position: sticky;
  top: 0;
  z-index: 9;
}

/* Search bar */
.topbar-search {
  display: flex;
  align-items: center;
  position: relative;
  width: 320px;
}

.topbar-search svg {
  position: absolute;
  left: var(--space-15);
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.topbar-search-input {
  width: 100%;
  padding: 8px 12px 8px 38px;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  transition: all 0.15s ease;
}

.topbar-search-input:focus {
  background-color: var(--color-card);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

/* Topbar Actions Menu */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
  cursor: pointer;
  color: var(--color-text-secondary);
  position: relative;
  transition: all 0.15s ease;
}

.topbar-btn:hover {
  background-color: var(--color-hover);
  color: var(--color-text);
}

.topbar-btn-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-danger);
  color: #FFFFFF;
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-card);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: var(--space-2);
  border-left: 1px solid var(--color-border);
  margin-left: 8px;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

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

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
}

.user-role {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Dashboard Page Content
   ========================================================================== */
.dashboard-content {
  flex: 1;
  padding: var(--space-3);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Welcome block */
.welcome-section {
  margin-bottom: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.welcome-info h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.welcome-date {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* 4 KPI Grid Layout */
.kpis-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.kpi-card {
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.kpi-title-row svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text-secondary);
  stroke-width: 2;
  fill: none;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: 6px;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.trend-up { color: var(--color-danger); }
.kpi-trend.trend-down { color: var(--color-success); }
.kpi-trend.trend-neutral { color: var(--color-text-secondary); }

/* Main Grid Layout for widgets */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3);
  align-items: start;
}

.grid-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ==========================================================================
   Widget 1: Energy Overview SVG Chart
   ========================================================================== */
.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-tabs {
  display: flex;
  background-color: var(--color-hover);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

.chart-tab {
  background: transparent;
  border: none;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chart-tab.active {
  background-color: var(--color-card);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 250px;
  margin-top: var(--space-2);
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* SVG Chart Elements Styling */
.chart-grid-line {
  stroke: var(--color-border-light);
  stroke-width: 1;
}

.chart-axis-line {
  stroke: var(--color-border);
  stroke-width: 1;
}

.chart-axis-text {
  font-size: 10px;
  fill: var(--color-text-secondary);
  font-family: var(--font-sans);
}

.chart-line {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke-dashoffset 2s ease;
}

.chart-line-gradient {
  fill: url(#chart-gradient);
  opacity: 0.12;
}

.chart-node {
  fill: var(--color-accent);
  stroke: var(--color-card);
  stroke-width: 2.5;
  r: 5.5;
  cursor: pointer;
  transition: r 0.15s ease, fill 0.15s ease;
}

.chart-node:hover {
  r: 8;
  fill: var(--color-primary);
}

/* Custom CSS Chart Tooltip */
.chart-tooltip {
  position: absolute;
  background-color: var(--color-text);
  color: #FFFFFF;
  padding: var(--space-1) var(--space-15);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -100%) translateY(-10px);
  transition: opacity 0.15s ease, transform 0.15s ease, left 0.15s ease, top 0.15s ease;
  box-shadow: var(--shadow-md);
  z-index: 8;
}

.chart-tooltip::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background-color: var(--color-text);
}

/* ==========================================================================
   Widget 2: AI Recommendations (Interactive Card)
   ========================================================================== */
.recommendations-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-15);
}

.recommendation-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-border-light);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.recommendation-item:hover {
  border-color: var(--color-border);
  background-color: var(--color-card);
}

.recommendation-info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 75%;
}

.recommendation-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-tint);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.recommendation-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.recommendation-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recommendation-text {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.35;
}

.recommendation-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.recommendation-savings {
  color: var(--color-success);
  font-weight: 600;
}

/* Spinner and Complete states for Recommendation triggers */
.btn-loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.8s infinite linear;
}

.btn-secondary .btn-loader {
  border-color: rgba(15, 23, 42, 0.1);
  border-top-color: var(--color-text);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.recommendation-item.applied {
  border-color: rgba(34, 197, 94, 0.25);
  background-color: rgba(34, 197, 94, 0.02);
}

.recommendation-item.applied .recommendation-icon {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

/* ==========================================================================
   Widget 3: Energy Agent Live Log Console
   ========================================================================== */
.console-card {
  padding: 0;
  overflow: hidden;
}

.console-header {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.console-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.console-container {
  background-color: var(--color-console-bg);
  height: 190px;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-console-text);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.console-line {
  margin-bottom: 6px;
  word-break: break-all;
}

.console-time {
  color: #64748B;
  margin-right: var(--space-1);
}

.console-agent {
  color: var(--color-accent);
  font-weight: 500;
  margin-right: 6px;
}

.console-text {
  color: #F8FAFC;
}

.console-text.highlight {
  color: var(--color-success);
}

.console-text.action {
  color: #38BDF8;
}

/* Custom scrollbar for console */
.console-container::-webkit-scrollbar {
  width: 6px;
}
.console-container::-webkit-scrollbar-track {
  background: var(--color-console-bg);
}
.console-container::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}
.console-container::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* ==========================================================================
   Widget 4: Facility Status & Recent Alerts
   ========================================================================== */

/* Facility Status widget list */
.facility-zones-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-15);
}

.zone-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-15);
  border-bottom: 1px solid var(--color-border-light);
}

.zone-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.zone-header-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.zone-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.zone-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.zone-details {
  display: flex;
  flex-direction: column;
}

.zone-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.zone-sub {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.zone-stats {
  display: flex;
  align-items: center;
  gap: 20px;
}

.zone-temp {
  font-size: 0.875rem;
  font-weight: 600;
}

/* Recent Alerts component */
.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  border-left: 4px solid transparent;
  background-color: var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.alert-item.critical {
  border-left-color: var(--color-danger);
  background-color: rgba(239, 68, 68, 0.03);
}

.alert-item.warning {
  border-left-color: var(--color-warning);
  background-color: rgba(245, 158, 11, 0.03);
}

.alert-item.info {
  border-left-color: var(--color-accent);
  background-color: var(--color-accent-tint);
}

.alert-item-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 85%;
}

.alert-desc {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
}

.alert-time {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.alert-dismiss-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  opacity: 0.5;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.alert-dismiss-btn:hover {
  opacity: 1;
  color: var(--color-text);
}

.alert-dismiss-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2.5;
}

/* Agent Fleet Section (Compact list grid in 3rd card column or content column) */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.fleet-card {
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.fleet-card.disabled {
  opacity: 0.7;
  background-color: var(--color-border-light);
}

.fleet-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-15);
}

.fleet-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-tint);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fleet-card-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.fleet-card.disabled .fleet-card-icon {
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
}

.fleet-card-info h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.fleet-card-info p {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.35;
}

.fleet-card-footer {
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1200px) {
  .onboarding-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .kpis-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fleet-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  :root {
    --sidebar-width: 0px; /* Toggle sidebar overlay */
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
    width: 260px;
  }

  .main-panel {
    margin-left: 0;
  }

  /* Hamburger Menu Button (JS triggered) */
  .menu-toggle-btn {
    display: flex !important;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .kpis-grid {
    grid-template-columns: 1fr;
  }

  .fleet-grid {
    grid-template-columns: 1fr;
  }

  .topbar-search {
    width: 200px;
  }

  .user-info {
    display: none; /* Hide name/role on small tablet screens */
  }
}

/* Helper show/hide for mobile menu toggle */
.menu-toggle-btn {
  display: none;
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.15s ease;
}

.menu-toggle-btn:hover {
  background-color: var(--color-hover);
  color: var(--color-text);
}

.menu-toggle-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}