/* =========================================
   MARINE INTELLIGENCE SYSTEM
   Design System: Modern Corporate + Glassmorphism
   Teknologi Stewardship | High-Definition Marine
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@400;500;600;700;800&family=Geist:wght@400;500;600&display=swap');

/* -----------------------------------------
   CSS VARIABLES - Design System
   ----------------------------------------- */
:root {
    --on-primary-fixed-variant: #454747;
  /* Surface Colors */
  --surface: #fcf8f8;
  --surface-dim: #ddd9d9;
  --surface-bright: #fcf8f8;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f6f3f2;
  --surface-container: #f1edec;
  --surface-container-high: #ebe7e7;
  --surface-container-highest: #e5e2e1;
  
  /* On-Surface Colors */
  --on-surface: #1c1b1b;
  --on-surface-variant: #444748;
  
  /* Inverse Surface */
  --inverse-surface: #313030;
  --inverse-on-surface: #f4f0ef;
  
  /* Outline & Border */
  --outline: #747878;
  --outline-variant: #c4c7c8;
  
  /* Primary - Neutral Gray (untuk elemen non-aksi) */
  --primary: #5d5f5f;
  --on-primary: #ffffff;
  --primary-container: #ffffff;
  --on-primary-container: #747676;
  --inverse-primary: #c6c6c7;
  --primary-fixed: #e2e2e2;
  --primary-fixed-dim: #c6c6c7;
  --on-primary-fixed: #1a1c1c;
  --on-primary-fixed-variant: #454747;
  
  /* Secondary - Ocean Blue (Primary Action) */
  --secondary: #0061a5;
  --on-secondary: #ffffff;
  --secondary-container: #4ba4fd;
  --on-secondary-container: #003965;
  --secondary-fixed: #d2e4ff;
  --secondary-fixed-dim: #a0caff;
  --on-secondary-fixed: #001c37;
  --on-secondary-fixed-variant: #00497e;
  
  /* Tertiary - Sky Blue (Highlights & Accent) */
  --tertiary: #0060a8;
  --on-tertiary: #ffffff;
  --tertiary-container: #ffffff;
  --on-tertiary-container: #0078d0;
  --tertiary-fixed: #d3e4ff;
  --tertiary-fixed-dim: #a2c9ff;
  --on-tertiary-fixed: #001c38;
  --on-tertiary-fixed-variant: #004881;
  
  /* Error & Status */
  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #93000a;
  
  /* Success */
  --success: #16a34a;
  --success-bg: #dcfce7;
  
  /* Warning */
  --warning: #d97706;
  --warning-bg: #fef3c7;
  
  /* Info */
  --info: #0061a5;
  --info-bg: #d2e4ff;
  
  /* Background */
  --background: #fcf8f8;
  --on-background: #1c1b1b;
  --surface-variant: #e5e2e1;
  --surface-tint: #5d5f5f;
  
  /* Glassmorphism Colors */
  --glass-border: rgba(30, 136, 229, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-bg-dark: rgba(0, 0, 0, 0.6);
  
  /* Glow Effects */
  --soft-blue-glow: 0 10px 30px rgba(77, 166, 255, 0.1);
  --soft-blue-glow-hover: 0 15px 40px rgba(77, 166, 255, 0.15);
  --aqua-glow: 0 0 15px rgba(0, 255, 255, 0.3);
  
  /* Spacing - 8px scale */
  --spacing-base: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 40px;
  --spacing-3xl: 48px;
  --spacing-4xl: 64px;
  
  /* Container Padding */
  --container-padding-desktop: 32px;
  --container-padding-mobile: 16px;
  --gutter: 24px;
  --card-gap: 20px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Layout */
  --sidebar-width: 280px;
  --topbar-height: 64px;
  
  /* Fonts */
  --font-display: 'Hanken Grotesk', sans-serif;
  --font-mono: 'Geist', monospace;
  
  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition: all 0.25s ease;
  --transition-slow: all 0.4s ease;
}

/* -----------------------------------------
   RESET & BASE
   ----------------------------------------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  color: var(--on-background);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--surface-container);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-container);
}

/* Selection */
::selection {
  background: rgba(0, 97, 165, 0.2);
  color: var(--secondary);
}

/* -----------------------------------------
   TYPOGRAPHY SYSTEM
   ----------------------------------------- */
/* Display */
.display-lg {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  letter-spacing: -0.02em;
}

.display-md {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  line-height: 48px;
  letter-spacing: -0.02em;
}

.display-sm {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 40px;
  letter-spacing: -0.01em;
}

/* Headline */
.headline-lg {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  line-height: 40px;
  letter-spacing: -0.01em;
}

.headline-md {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 36px;
  letter-spacing: -0.01em;
}

.headline-sm {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
}

/* Title */
.title-lg {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 28px;
}

.title-md {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
}

.title-sm {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
}

/* Body */
.body-lg {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
}

.body-md {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
}

.body-sm {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
}

/* Label */
.label-lg {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.label-md {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.label-sm {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  line-height: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Data Mono - untuk semua data numerik */
.data-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
}

.data-mono-lg {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 40px;
}

.data-mono-xl {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  letter-spacing: -0.02em;
}

/* Responsive Typography */
@media (max-width: 768px) {
  .display-lg { font-size: 32px; line-height: 40px; }
  .headline-lg { font-size: 24px; line-height: 32px; }
  .title-lg { font-size: 20px; line-height: 28px; }
  .data-mono-xl { font-size: 36px; line-height: 44px; }
}

/* -----------------------------------------
   ELEVATION & DEPTH SYSTEM
   ----------------------------------------- */
/* Level 0 - Background (default) */

/* Level 1 - Glass Layer (primary containers) */
.elevation-1 {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* Level 2 - Active Widgets (floating cards) */
.elevation-2 {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--soft-blue-glow);
  transition: var(--transition);
}

.elevation-2:hover {
  box-shadow: var(--soft-blue-glow-hover);
  transform: translateY(-2px);
}

/* Level 3 - Modals/Overlays */
.elevation-3 {
  background: var(--glass-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* Dark Glass untuk map overlay */
.glass-dark {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
}

/* Hero Background Gradient */
.hero-gradient {
  background: radial-gradient(circle at top right, rgba(75, 164, 253, 0.1) 0%, transparent 50%),
              radial-gradient(circle at bottom left, rgba(0, 97, 165, 0.06) 0%, transparent 50%);
}

/* Shimmer Animation */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  100% { left: 200%; }
}

/* -----------------------------------------
   GRID SYSTEM - 12 Column
   ----------------------------------------- */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: var(--container-padding-desktop);
  padding-right: var(--container-padding-desktop);
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--container-padding-mobile);
    padding-right: var(--container-padding-mobile);
  }
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

/* Column Spans */
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

/* Bento Grid - untuk dashboard cards */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--card-gap);
  margin-bottom: var(--spacing-xl);
}

.bento-grid-2cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
}

.bento-grid-3cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}

/* Responsive Grid */
@media (max-width: 1024px) {
  .grid { gap: 16px; }
  .col-span-3, .col-span-4, .col-span-6 { grid-column: span 12; }
  .bento-grid-2cols, .bento-grid-3cols { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
  .col-span-1, .col-span-2, .col-span-3, .col-span-4 { grid-column: span 4; }
}

/* -----------------------------------------
   CARD COMPONENTS
   ----------------------------------------- */
/* Base Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.glass-card:hover {
  box-shadow: var(--soft-blue-glow-hover);
  transform: translateY(-2px);
}

/* Glass Panel (lebih transparan) */
.glass-panel {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* Monitoring Card */
.monitoring-card {
  background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.monitoring-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(30, 136, 229, 0.05) 100%);
  pointer-events: none;
}

.monitoring-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--soft-blue-glow-hover);
}

.monitoring-card .primary-metric {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  color: var(--secondary);
  margin-bottom: var(--spacing-sm);
}

.monitoring-card .metric-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* Sensor Card */
.sensor-card {
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.sensor-card:hover {
  box-shadow: var(--soft-blue-glow-hover);
  transform: translateY(-2px);
}

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

.sensor-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sensor-label .material-symbols-outlined {
  font-size: 22px;
  color: var(--secondary);
}

.sensor-value {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  line-height: 1.2;
}

.sensor-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant);
  margin-left: var(--spacing-xs);
}

.sensor-threshold {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: var(--spacing-sm);
  font-family: var(--font-mono);
}

.sensor-mini-chart {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: linear-gradient(180deg, rgba(210, 228, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

/* Chart Card */
.chart-card {
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.chart-card:hover {
  box-shadow: var(--soft-blue-glow-hover);
}

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

.chart-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--on-surface);
}

.chart-card-subtitle {
  font-size: 12px;
  color: var(--on-surface-variant);
}

/* Log Card */
.log-card {
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.log-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-height: 300px;
  overflow-y: auto;
}

.log-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 13px;
}

.log-item.info {
  background: var(--info-bg);
  color: var(--info);
}

.log-item.success {
  background: var(--success-bg);
  color: var(--success);
}

.log-item.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.log-item.danger {
  background: var(--error-container);
  color: var(--error);
}

.log-time {
  font-size: 10px;
  opacity: 0.75;
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* Simulation Panel */
.sim-panel {
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.sim-panel h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

/* -----------------------------------------
   SCIENTIFIC WIDGETS - GAUGE
   ----------------------------------------- */
.gauge-container {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
}

.gauge-svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.gauge-background {
  stroke: var(--surface-container-highest);
  fill: none;
  stroke-width: 12;
}

.gauge-progress {
  stroke: url(#aquaGradient);
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(0, 255, 255, 0.4));
  transition: stroke-dasharray 0.5s ease;
}

.gauge-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.gauge-number {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--secondary);
}

.gauge-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
}

/* SVG Gradient untuk Gauge */
.svg-gradient {
  position: absolute;
  width: 0;
  height: 0;
}

/* -----------------------------------------
   BUTTONS
   ----------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  line-height: 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

/* Primary Button - Ocean Blue */
.btn-primary {
  background: linear-gradient(180deg, var(--secondary) 0%, var(--secondary-dark, #004a7c) 100%);
  color: var(--on-secondary);
  box-shadow: 0 2px 8px rgba(0, 97, 165, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 97, 165, 0.3);
}

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

/* Secondary Button - Ghost Glass */
.btn-secondary {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--secondary);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--secondary);
  color: var(--secondary);
}

.btn-outline:hover {
  background: rgba(0, 97, 165, 0.05);
  transform: translateY(-1px);
}

/* Danger Button */
.btn-danger {
  background: var(--error);
  color: var(--on-error);
}

.btn-danger:hover {
  background: var(--on-error-container);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-full);
}

/* -----------------------------------------
   INPUTS
   ----------------------------------------- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.input-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

/* Minimalist Input - hanya bottom border */
.input-minimal {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--outline-variant);
  font-family: var(--font-display);
  font-size: 16px;
  padding: 12px 0 8px 0;
  color: var(--on-surface);
  transition: var(--transition-fast);
  outline: none;
  width: 100%;
}

.input-minimal:focus {
  border-bottom: 2px solid var(--tertiary);
}

.input-minimal::placeholder {
  color: var(--outline);
}

/* Standard Input */
.input-standard {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--on-surface);
  transition: var(--transition-fast);
  outline: none;
  width: 100%;
}

.input-standard:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 97, 165, 0.1);
}

/* Range Slider */
input[type="range"] {
  width: 100%;
  accent-color: var(--secondary);
}

.range-val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--secondary);
  font-weight: 700;
}

/* Form Group */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface-variant);
  display: block;
  margin-bottom: var(--spacing-xs);
}

/* -----------------------------------------
   STATUS PILLS & BADGES
   ----------------------------------------- */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill-success {
  background: var(--success-bg);
  color: var(--success);
}

.pill-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.pill-error {
  background: var(--error-container);
  color: var(--error);
}

.pill-info {
  background: var(--info-bg);
  color: var(--info);
}

/* Badge (alias untuk pill, konsistensi) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-family: var(--font-mono);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-danger {
  background: var(--error-container);
  color: var(--error);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
}

/* Live Dot Animation */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--success);
  display: inline-block;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

/* -----------------------------------------
   SIDEBAR NAVIGATION - Premium Vertical
   ----------------------------------------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--soft-blue-glow);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

/* Sidebar Logo */
.sidebar-logo {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--secondary), var(--tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-logo p {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: var(--spacing-xs);
}

/* Sidebar Section Title */
.sidebar-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xs);
}

/* Sidebar Navigation */
.sidebar-nav {
  list-style: none;
  padding: var(--spacing-sm) var(--spacing-sm);
}

.sidebar-nav li {
  margin-bottom: 2px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: var(--transition);
}

.sidebar-nav a:hover {
  background: rgba(0, 97, 165, 0.08);
  color: var(--secondary);
}

.sidebar-nav a.active {
  background: linear-gradient(135deg, rgba(0, 97, 165, 0.12), rgba(0, 120, 208, 0.08));
  color: var(--secondary);
  font-weight: 700;
  position: relative;
}

/* Vertical Blue Pill Indicator untuk Active State */
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Sidebar Icons (duotone style) */
.sidebar-nav a .material-symbols-outlined {
  font-size: 22px;
  transition: var(--transition);
}

.sidebar-nav a:hover .material-symbols-outlined {
  color: var(--secondary);
}

.sidebar-nav a.active .material-symbols-outlined {
  color: var(--secondary);
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: auto;
}

/* -----------------------------------------
   TOPBAR
   ----------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--topbar-height);
  background: rgba(252, 248, 248, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  box-shadow: 0 4px 20px rgba(77, 166, 255, 0.06);
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
}

.topbar-subtitle {
  font-size: 12px;
  color: var(--on-surface-variant);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.topbar-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--on-surface-variant);
  transition: var(--transition);
}

.topbar-btn:hover {
  background: var(--info-bg);
  color: var(--secondary);
}

.topbar-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--info-bg);
  overflow: hidden;
  cursor: pointer;
}

.topbar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* -----------------------------------------
   APP LAYOUT
   ----------------------------------------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

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

.page-canvas {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
}

/* Page Header */
.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-header h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--on-surface);
}

.page-header p {
  font-size: 14px;
  color: var(--on-surface-variant);
  margin-top: var(--spacing-xs);
}

/* -----------------------------------------
   BAKU MUTU LIST
   ----------------------------------------- */
.baku-mutu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.baku-mutu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--surface-container);
}

.baku-mutu-item span {
  font-size: 13px;
  color: var(--on-surface-variant);
}

.baku-mutu-item strong {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--secondary);
  font-weight: 700;
}

/* -----------------------------------------
   FOOTER
   ----------------------------------------- */
.footer {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 12px;
  color: var(--on-surface-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer a {
  color: var(--secondary);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* -----------------------------------------
   RESPONSIVE DESIGN
   ----------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }
  
  .bento-grid-3cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .bento-grid,
  .bento-grid-2cols,
  .bento-grid-3cols {
    grid-template-columns: 1fr;
  }
  
  .topbar {
    padding: 0 var(--spacing-md);
  }
  
  .page-canvas {
    padding: var(--spacing-md);
  }
  
  .grid {
    gap: 16px;
  }
  
  .monitoring-card .primary-metric {
    font-size: 36px;
    line-height: 44px;
  }
  
  .sensor-value {
    font-size: 28px;
  }
}

/* -----------------------------------------
   UTILITIES
   ----------------------------------------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }

/* Material Icons Link (optional - jika tidak pakai Google Fonts Icons) */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
/* -----------------------------------------
   14-INCH LAPTOP OPTIMIZATION
   Resolusi: 1366x768, 1440x900, 1920x1080
   ----------------------------------------- */

/* Untuk layar 14 inch (1366px ke bawah) */
@media (max-width: 1366px) {
  :root {
    --container-padding-desktop: 24px;
    --gutter: 20px;
    --card-gap: 16px;
    --sidebar-width: 260px;
  }

  .container {
    max-width: 1280px;
  }

  /* Typography scaling untuk 14 inch */
  .display-lg {
    font-size: 40px;
    line-height: 48px;
  }

  .headline-lg {
    font-size: 28px;
    line-height: 36px;
  }

  .title-md {
    font-size: 18px;
    line-height: 26px;
  }

  .data-mono-xl {
    font-size: 40px;
    line-height: 48px;
  }

  /* Card padding lebih hemat ruang */
  .card, .monitoring-card, .glass-card {
    padding: 24px;
  }

  .sensor-card {
    padding: 20px;
  }

  .sensor-value {
    font-size: 30px;
  }

  /* Grid lebih rapat */
  .grid {
    gap: 20px;
  }

  /* Hero section untuk 14 inch */
  .hero-section {
    min-height: auto;
    padding: 100px var(--container-padding-desktop) 60px;
  }

  .hero-title {
    font-size: clamp(32px, 5vw, 48px);
  }

  .hero-desc {
    font-size: 16px;
  }

  /* Dashboard preview scaling */
  .hero-visual {
    width: 42%;
    max-width: 460px;
  }

  .dashboard-preview {
    padding: 20px;
  }
}

/* Untuk layar yang lebih kecil lagi (14 inch dengan scaling 125%) */
@media (max-width: 1280px) {
  :root {
    --container-padding-desktop: 20px;
    --gutter: 16px;
  }

  .bento-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }

  /* Sidebar lebih ramping */
  .sidebar {
    width: 250px;
  }

  .sidebar-nav a {
    padding: 8px 12px;
    font-size: 13px;
  }

  .sidebar-nav a .material-symbols-outlined {
    font-size: 20px;
  }

  /* Topbar lebih kompak */
  .topbar {
    height: 56px;
    padding: 0 var(--container-padding-desktop);
  }

  .topbar-title {
    font-size: 16px;
  }

  /* Monitoring cards grid - 3 kolom jadi 2 di 14 inch */
  @media (max-width: 1200px) {
    .bento-grid-3cols {
      grid-template-columns: repeat(2, 1fr);
    }
  }
}

/* Untuk height terbatas (768px ke bawah) - agar tidak perlu scroll berlebihan */
@media (max-height: 800px) {
  .hero-section {
    padding: 80px var(--container-padding-desktop) 40px;
    min-height: auto;
  }

  .features-section,
  .stats-section,
  .cta-section {
    padding: 48px var(--container-padding-desktop);
  }

  .live-strip {
    padding: 32px var(--container-padding-desktop);
  }

  .page-canvas {
    padding: 20px;
  }

  /* Chart container height adjustment */
  .chart-card {
    min-height: auto;
  }

  .log-list {
    max-height: 240px;
  }
}

/* Dashboard grid untuk 14 inch - default 12 column tapi lebih compact */
@media (min-width: 1024px) and (max-width: 1366px) {
  /* Dashboard cards: 4 kolom jadi 3 atau 2 tergantung konten */
  .dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
  }

  /* Gauge widget lebih kecil */
  .gauge-container {
    width: 150px;
    height: 150px;
  }

  .gauge-number {
    font-size: 24px;
  }
}