/* ==========================================================================
   ECOSPHERE — MONOCHROME BLACK & WHITE DESIGN SYSTEM
   Inspired by Awwwards, Dribbble, and premium dark-mode portfolios.
   Pure monochrome: charcoal to porcelain, zero color.
   ========================================================================== */

/* CSS Variables & Theme Definitions */
:root {
  /* Fonts */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Colors — Dark Mode (Default) — Pure Monochrome Black & White */
  --bg-primary: #050505;
  --bg-secondary: #0e0e0e;
  --bg-card: rgba(255, 255, 255, 0.015);
  --bg-card-hover: rgba(255, 255, 255, 0.045);
  --bg-input: #0b0b0b;
  
  --text-primary: #f3f3f3;
  --text-secondary: #a0a0a0;
  --text-muted: #606060;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  
  /* Cyber eco accents — Monochrome White/Gray Glows */
  --accent: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.65);
  --accent-gradient: linear-gradient(135deg, #ffffff 0%, #777777 100%);
  --accent-hover: #e0e0e0;
  --accent-light: rgba(255, 255, 255, 0.06);

  /* Semantic aliases (kept for backward compat in JS and tests) */
  --emerald: #ffffff;
  --emerald-gradient: linear-gradient(135deg, #ffffff 0%, #777777 100%);
  --emerald-hover: #e0e0e0;
  --emerald-light: rgba(255, 255, 255, 0.06);
  --sky: #ffffff;
  --sky-light: rgba(255, 255, 255, 0.06);
  --amber: #c0c0c0;
  --amber-light: rgba(255, 255, 255, 0.04);
  --rose: #888888;
  --rose-light: rgba(255, 255, 255, 0.04);

  --chat-bot: rgba(255, 255, 255, 0.03);
  --chat-user: rgba(255, 255, 255, 0.07);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.9);
  --shadow-glow: 0 0 25px rgba(255, 255, 255, 0.08);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  /* Colors — Light Mode — Cyber Mint Minty Clean */
  --bg-primary: #f2f2f2;
  --bg-secondary: #fafafa;
  --bg-card: rgba(0, 0, 0, 0.015);
  --bg-card-hover: rgba(0, 0, 0, 0.04);
  --bg-input: #e5e5e5;
  
  --text-primary: #0c0c0c;
  --text-secondary: #555555;
  --text-muted: #8a8a8a;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.22);
  
  --accent: #0c0c0c;
  --accent-dim: rgba(12, 12, 12, 0.7);
  --accent-gradient: linear-gradient(135deg, #0c0c0c 0%, #777777 100%);
  --accent-hover: #333333;
  --accent-light: rgba(0, 0, 0, 0.05);

  --emerald: #0c0c0c;
  --emerald-gradient: linear-gradient(135deg, #0c0c0c 0%, #777777 100%);
  --emerald-hover: #333333;
  --emerald-light: rgba(0, 0, 0, 0.05);
  --sky: #333333;
  --sky-light: rgba(0, 0, 0, 0.05);
  --amber: #666666;
  --amber-light: rgba(0, 0, 0, 0.04);
  --rose: #888888;
  --rose-light: rgba(0, 0, 0, 0.04);

  --chat-bot: rgba(0, 0, 0, 0.03);
  --chat-user: rgba(0, 0, 0, 0.06);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(0, 0, 0, 0.03);
}

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

html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  position: relative;
  margin: 0;
  padding: 0;
}

img, canvas, video {
  max-width: 100%;
}

/* Grain Noise Texture Overlay — Cinematic Effect */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}
[data-theme="light"] .grain-overlay {
  opacity: 0.02;
}

/* Subtle ambient glow — replaces colored mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}
[data-theme="light"] body::before {
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(0, 0, 0, 0.015) 0%, transparent 50%);
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 10000;
  transition: top var(--transition-fast);
  text-decoration: none;
  font-weight: 700;
  font-family: var(--font-heading);
}
.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--text-primary);
}

/* Typography */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Scrollbars */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.1); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.2); }

/* Utility classes */
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-emerald { color: var(--accent) !important; }
.text-sky { color: var(--accent-dim) !important; }
.text-amber { color: var(--text-secondary) !important; }
.text-rose { color: var(--text-muted) !important; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ======================================================================
   LANDING VIEWPORT — CINEMATIC PREMIUM
   ====================================================================== */
.landing-viewport {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  z-index: 1;
}

.landing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 56px;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}
.landing-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Background Decorations */
.landing-bg-decorations {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.topographic-grid-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: 100px 100px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(circle at 50% 40%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black, transparent 70%);
}
[data-theme="light"] .topographic-grid-overlay {
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}
.bg-topo-curves {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 120%;
  opacity: 0.08;
  stroke: var(--text-secondary);
}
[data-theme="light"] .bg-topo-curves {
  opacity: 0.06;
  stroke: var(--text-muted);
}
.parallax-path {
  transition: transform 0.1s ease-out;
}

/* HERO SECTION — Cinematic Full Viewport */
.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  padding: 140px 56px 40px;
  max-width: 1400px;
  margin: auto;
  gap: 48px;
  min-height: 80vh;
  position: relative;
}

.hero-text-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hero-pretitle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--text-muted);
  font-weight: 600;
}
.hero-title {
  font-size: 72px;
  font-weight: 800;
  line-height: 1.0;
  color: var(--text-primary);
  letter-spacing: -2px;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 560px;
}
.hero-actions-row {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

/* Topographic Footprint Visualizer */
.hero-graphic-block {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.footprint-glow-container {
  width: 300px;
  height: 360px;
  position: relative;
}
#canvas-grid-footprint {
  width: 220px;
  height: 280px;
  display: block;
  margin: 0 auto;
}
.footprint-glow-container::after {
  content: '';
  position: absolute;
  top: 15%; left: 15%;
  width: 70%; height: 70%;
  background-color: var(--accent);
  filter: blur(100px);
  opacity: 0.04;
  z-index: -1;
  pointer-events: none;
}
#svg-topo-footprint {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.05));
}

/* Topographic Stroke Animations */
.topo-stroke {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: drawStroke 4s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}
@keyframes drawStroke {
  0% { stroke-dashoffset: 600; }
  100% { stroke-dashoffset: 0; }
}
.topo-ring {
  animation: breatheRing 4s ease-in-out infinite alternate;
}
.topo-ring:nth-child(even) {
  animation-direction: alternate-reverse;
}
@keyframes breatheRing {
  0% { transform: scale(var(--scale-initial)); opacity: calc(var(--opacity-initial) * 0.85); }
  100% { transform: scale(calc(var(--scale-initial) * 1.03)); opacity: var(--opacity-initial); }
}

/* Scroll Indicator */
.hero-scroll-indicator {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}
.mouse-node {
  width: 18px;
  height: 30px;
  border-radius: 999px;
  border: 1.5px solid var(--border-hover);
  position: relative;
}
.mouse-wheel {
  width: 3px;
  height: 7px;
  background-color: var(--accent-dim);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: calc(50% - 1.5px);
  animation: scrollWheel 1.5s infinite;
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ======================================================================
   STATS TICKER STRIP — Horizontal Marquee
   ====================================================================== */
.stats-ticker-strip {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  gap: 80px;
  overflow: hidden;
  position: relative;
}
.stat-ticker-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.stat-ticker-value {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
}
.stat-ticker-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  font-weight: 600;
}

/* ======================================================================
   SCROLL SHOWCASE — Editorial Feature Cards
   ====================================================================== */
.scroll-showcase {
  padding: 120px 56px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.showcase-pretitle {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
}
.showcase-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Scroll reveal */
.reveal-element {
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal-slide-left { transform: translateY(40px); }
.reveal-element.active { opacity: 1; transform: translate(0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.showcase-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.02);
}
.showcase-card-glow {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.showcase-card:hover .showcase-card-glow { opacity: 1; }
.card-hover-indicator {
  position: absolute;
  bottom: 0; left: 0;
  width: 0%;
  height: 1px;
  background: var(--accent-gradient);
  transition: width 0.4s ease;
}
.showcase-card:hover .card-hover-indicator { width: 100%; }

.showcase-card-icon {
  background-color: var(--accent-light);
  color: var(--accent-dim);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.showcase-card .step-number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  letter-spacing: -2px;
}
[data-theme="light"] .showcase-card .step-number {
  color: rgba(0, 0, 0, 0.05);
}
.showcase-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}
.showcase-card p {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* ======================================================================
   LANDING FOOTER
   ====================================================================== */
.landing-footer {
  padding: 40px 56px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.landing-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.landing-footer a:hover { color: var(--text-primary); }

/* ======================================================================
   APP WORKSPACE CONTAINER
   ====================================================================== */
.app-workspace {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.app-workspace.active {
  opacity: 1;
  transform: scale(1.0);
}

.app-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* ======================================================================
   SIDEBAR & NAVIGATION
   ====================================================================== */
.sidebar {
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}
.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}
.sidebar .brand h2 {
  font-size: 16px;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.logo-icon { color: var(--accent-dim); }

.nav-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  width: 100%;
  background: none;
  border: none;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}
.nav-item:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.04);
}
.nav-item.active {
  color: var(--bg-primary);
  background: var(--accent);
  font-weight: 600;
}
[data-theme="light"] .nav-item.active {
  color: #ffffff;
}
.nav-item:focus-visible {
  outline: 2px solid var(--text-primary);
}

/* Sidebar stats */
.sidebar-stats-card {
  margin-top: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}
.stats-card-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.stats-card-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}
.stats-card-unit {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.progress-bar-container {
  height: 3px;
  background-color: var(--border-color);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 999px;
  width: 0%;
  transition: width var(--transition-normal);
}
.progress-bar-label {
  font-size: 10px;
  color: var(--text-muted);
}

/* ======================================================================
   MAIN CONTENT FRAME
   ====================================================================== */
.main-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  position: relative;
}
.main-content:focus { outline: none; }

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 36px;
  border-bottom: 1px solid var(--border-color);
}
.greeting {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
}
.date-string {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
  letter-spacing: 0.5px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.points-badge {
  background-color: var(--accent-light);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.points-badge svg { width: 14px; height: 14px; }

.icon-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.icon-btn:focus-visible {
  outline: 2px solid var(--text-primary);
}

/* ======================================================================
   WORKSPACE VIEWS
   ====================================================================== */
.view-viewport {
  padding: 36px;
  flex: 1;
  overflow-y: auto;
}
.app-view {
  display: none;
  animation: fadeIn 0.3s var(--transition-normal);
}
.app-view.active { display: block !important; }
.app-view.hidden { display: none !important; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header { margin-bottom: 28px; }
.section-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ======================================================================
   DYNAMIC INSIGHT BANNER
   ====================================================================== */
.assistant-alert-banner {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.assistant-alert-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px;
  height: 100%;
  background: var(--accent-gradient);
}
.banner-icon {
  background-color: var(--accent-light);
  color: var(--accent-dim);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.banner-content { flex: 1; }
.banner-title {
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.banner-text {
  font-size: 13px;
  line-height: 1.45;
}
.banner-action-btn {
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  font-size: 12px;
}
.banner-action-btn:hover { opacity: 0.8; }

/* ======================================================================
   DASHBOARD CARDS — Glassmorphism Grids
   ====================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  transition: border-color var(--transition-normal);
}
.card:hover {
  border-color: var(--border-hover);
}

.card-header { margin-bottom: 18px; }
.card-title { font-size: 14px; font-weight: 600; letter-spacing: 0.5px; }
.card-subtitle { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Chart SVGs */
.chart-body {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 24px;
}
.svg-chart-container {
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  position: relative;
}
.chart-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.legend-placeholder {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}
.legend-color {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}
.legend-label { flex: 1; }
.legend-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* Target & Savings gauge */
.target-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.savings-summary {
  display: flex;
  justify-content: space-around;
  width: 100%;
  margin-bottom: 12px;
}
.savings-stat { text-align: center; }
.savings-stat .label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.savings-stat .value {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
}
.gauge-chart-container {
  width: 170px;
  height: 102px;
  overflow: hidden;
}
.target-message {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 8px;
  line-height: 1.4;
}

/* Achievement badges */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.badge-item {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0.3;
  transition: all var(--transition-normal);
  filter: grayscale(1);
}
.badge-item.unlocked {
  opacity: 1;
  filter: grayscale(0);
  border-color: var(--border-hover);
  background: linear-gradient(to bottom, var(--bg-input), rgba(255, 255, 255, 0.03));
}
.badge-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.badge-item.unlocked .badge-icon {
  background-color: var(--accent-light);
  color: var(--accent);
}
.badge-name { font-size: 11px; font-weight: 600; }
.badge-desc { font-size: 9px; color: var(--text-muted); margin-top: 1px; }

/* Quick action buttons */
.quick-actions-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.quick-action-btn {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}
.quick-action-btn:hover {
  background-color: var(--accent-light);
  border-color: var(--border-hover);
}
.quick-action-btn svg { color: var(--text-muted); flex-shrink: 0; }
.quick-action-btn:hover svg { color: var(--accent); }
.quick-action-info { flex: 1; }
.quick-action-name { font-size: 12.5px; font-weight: 500; }
.quick-action-impact { font-size: 10px; color: var(--text-secondary); font-weight: 600; }

/* ======================================================================
   CALCULATOR WORKSPACE
   ====================================================================== */
.calculator-container {
  max-width: 650px;
  margin: 0 auto;
}

/* Old step indicators (kept for compat) */
.calc-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 24px;
}
.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.35;
  transition: opacity var(--transition-normal);
  position: relative;
}
.step-indicator.active { opacity: 1; }
.step-indicator.completed { opacity: 0.8; }
.step-indicator.completed .step-num {
  background-color: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}
.step-indicator::after {
  content: '';
  position: absolute;
  top: 15px;
  left: calc(50% + 20px);
  width: calc(100% - 40px);
  height: 1px;
  background-color: var(--border-color);
  z-index: 1;
}
.step-indicator:last-child::after { display: none; }
.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  z-index: 2;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}
.step-indicator.active .step-num {
  border-color: var(--accent);
  background-color: var(--accent);
  color: var(--bg-primary);
}
.step-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 6px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.calc-step-panel {
  display: none;
  animation: slideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.calc-step-panel.active { display: block; }
@keyframes slideIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}
.calc-step-panel h4 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.panel-intro { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }

/* Form inputs */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
}
.form-group.full-width { grid-column: span 2; }
label {
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
.form-control {
  font-family: var(--font-body);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-primary);
  width: 100%;
  transition: all var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.06);
}
[data-theme="light"] .form-control:focus {
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}
.form-tip {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.calc-nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

/* Buttons */
.btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}
.btn:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-primary {
  background-color: var(--accent);
  color: var(--bg-primary);
}
.btn-primary:hover:not(:disabled) { opacity: 0.85; }
.btn-secondary {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-card-hover);
  border-color: var(--border-hover);
}
.btn-emerald {
  background: var(--accent);
  color: var(--bg-primary);
}
.btn-emerald:hover:not(:disabled) { opacity: 0.85; }
.btn-block { width: 100%; justify-content: center; }
.btn-large {
  padding: 14px 28px;
  font-size: 14px;
  border-radius: 10px;
  letter-spacing: 0.5px;
}

/* ======================================================================
   ACTION LOGGER DOCK
   ====================================================================== */
.logger-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.action-list-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.action-item-li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 10px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  transition: border-color var(--transition-fast);
}
.action-item-li:hover {
  border-color: var(--border-hover);
}
.checkbox-wrapper { margin-top: 2px; }
.action-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.action-item-content { flex: 1; }
.action-title { font-size: 13px; font-weight: 500; cursor: pointer; }
.action-desc-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.action-badge-saving {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--accent-light);
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* Custom action logger */
.form-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
  margin-top: 10px;
  margin-bottom: 14px;
}
.custom-history-section {
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}
.custom-history-section h5 {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.custom-logs-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 160px;
  overflow-y: auto;
}
.custom-log-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background-color: var(--bg-input);
  border-radius: 6px;
  font-size: 12px;
  border-left: 2px solid var(--text-muted);
  animation: fadeIn 0.2s ease;
}
.custom-log-item.transportation { border-left-color: var(--text-primary); }
.custom-log-item.energy { border-left-color: var(--text-secondary); }
.custom-log-item.food { border-left-color: var(--text-muted); }
.custom-log-item.consumption { border-left-color: var(--text-secondary); }
.custom-log-desc { font-weight: 500; }
.custom-log-saving { font-weight: 600; color: var(--text-secondary); }
.no-logs-text { font-size: 12px; color: var(--text-muted); font-style: italic; }

/* ======================================================================
   FLOATING CHATBOT ASSISTANT
   ====================================================================== */
.assistant-chat-panel {
  position: fixed;
  bottom: 96px;
  right: 32px;
  width: 340px;
  height: 440px;
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.3s step-end;
}
.assistant-chat-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1.0);
  pointer-events: auto;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0s step-start;
}

.assistant-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.assistant-avatar {
  background-color: var(--accent-light);
  color: var(--accent-dim);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.assistant-title-block h5 { font-size: 13px; font-weight: 600; letter-spacing: 0.5px; }
.status-indicator {
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
}
.status-indicator.online::before {
  content: '';
  width: 5px;
  height: 5px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
}
.close-chat-btn { margin-left: auto; width: 28px !important; height: 28px !important; }

.chat-area {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-bubble {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.chat-bubble.bot { align-self: flex-start; }
.chat-bubble.user { align-self: flex-end; }
.bubble-content {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.45;
  word-wrap: break-word;
}
.chat-bubble.bot .bubble-content {
  background-color: var(--chat-bot);
  border-top-left-radius: 2px;
  border: 1px solid var(--border-color);
}
.chat-bubble.user .bubble-content {
  background-color: var(--chat-user);
  border-top-right-radius: 2px;
  border: 1px solid var(--border-color);
}
.bubble-time { font-size: 9px; color: var(--text-muted); }
.chat-bubble.bot .bubble-time { align-self: flex-start; }
.chat-bubble.user .bubble-time { align-self: flex-end; }

/* Quick prompts */
.quick-prompts-container {
  padding: 0 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.quick-prompt-btn {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  transition: all var(--transition-fast);
}
.quick-prompt-btn svg { width: 11px; height: 11px; }
.quick-prompt-btn:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* Chat input bar */
.chat-input-bar {
  padding: 10px 16px 16px;
  border-top: 1px solid var(--border-color);
}
.chat-input-bar form {
  display: flex;
  position: relative;
}
.chat-input {
  font-family: var(--font-body);
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 38px 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  transition: border-color var(--transition-fast);
}
.chat-input:focus {
  outline: none;
  border-color: var(--accent-dim);
}
.chat-send-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.chat-send-btn:hover { color: var(--accent); }
.chat-send-btn svg { width: 14px; height: 14px; }

/* Floating Assistant Trigger */
.floating-assistant-trigger {
  position: fixed;
  bottom: 28px;
  right: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md), 0 0 40px rgba(255, 255, 255, 0.08);
  z-index: 999;
  opacity: 1;
  visibility: visible;
  transform: scale(1.0);
  pointer-events: auto;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0s step-start;
}
.floating-assistant-trigger:hover { transform: scale(1.06); }
.floating-assistant-trigger.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.8);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.2s step-end;
}
.floating-assistant-trigger svg { width: 20px; height: 20px; }
.pulse-ring {
  content: '';
  position: absolute;
  top: -6px; left: -6px; bottom: -6px; right: -6px;
  border-radius: 50%;
  border: 1px solid var(--accent-dim);
  opacity: 0.5;
  animation: rippleGlow 2.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}
@keyframes rippleGlow {
  0% { transform: scale(0.95); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 0; }
}
.bubble-badge {
  position: absolute;
  top: -3px; right: -3px;
  background-color: var(--text-secondary);
  color: var(--bg-primary);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 99px;
}

/* Typing animation */
.dot-pulse {
  font-size: 11px;
  color: var(--text-secondary);
  font-style: italic;
}

/* RESPONSIVE MEDIA BREAKPOINTS DECLARED AT THE BOTTOM OF THE FILE */

/* ======================================================================
   CUSTOM MODAL OVERLAY
   ====================================================================== */
.custom-modal {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10005;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.custom-modal:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  border-radius: 16px;
  padding: 28px;
  max-width: 440px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.custom-modal:not(.hidden) .modal-card {
  transform: scale(1.0);
}
.modal-card h4 {
  font-size: 18px;
  color: var(--text-primary);
  font-family: var(--font-heading);
}
.modal-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}
.modal-buttons .btn { font-size: 13px; padding: 8px 16px; }

/* ======================================================================
   REDESIGN: WIZARD & PREMIUM EXTENSIONS
   ====================================================================== */

/* Wizard Progress */
.wizard-progress-wrapper { margin-bottom: 28px; }
.wizard-progress-bar {
  height: 2px;
  background-color: var(--border-color);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}
.wizard-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 999px;
  width: 0%;
  transition: width var(--transition-normal);
}
.wizard-progress-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Question panel wizard */
.question-panel {
  display: none;
  animation: questionFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.question-panel.active {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@keyframes questionFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  background-color: var(--accent-light);
  padding: 4px 10px;
  border-radius: 6px;
  align-self: flex-start;
}
.question-panel h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.question-panel .question-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}

/* Large inputs */
.input-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.large-input {
  font-size: 18px !important;
  padding: 14px 18px !important;
  border-radius: 12px !important;
}
.input-prefix {
  position: absolute;
  left: 16px; top: 14px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-muted);
}
.input-wrapper:has(.input-prefix) .large-input {
  padding-left: 36px !important;
}
.input-unit {
  position: absolute;
  right: 18px; top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.input-wrapper:has(.input-unit) .large-input {
  padding-right: 110px !important;
}

/* Hidden native selects */
.hidden-select {
  display: none !important;
  visibility: hidden !important;
}

/* Choice Cards Grid */
.choice-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}
@media (max-width: 600px) {
  .choice-cards-grid { grid-template-columns: 1fr; }
}
.choice-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: all var(--transition-normal);
  user-select: none;
}
.choice-card:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
}
.choice-card.selected {
  border-color: var(--accent-dim);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.03);
}
[data-theme="light"] .choice-card.selected {
  background-color: rgba(0, 0, 0, 0.04);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.03);
}
.choice-card.selected::after {
  content: '';
  position: absolute;
  top: 12px; right: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.choice-card .card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
[data-theme="light"] .choice-card .card-icon {
  background-color: rgba(0, 0, 0, 0.03);
}
.choice-card.selected .card-icon {
  background-color: var(--accent);
  color: var(--bg-primary);
}
.choice-card .card-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.choice-card .card-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ======================================================================
   CURSOR GLOW — Follows mouse on landing page
   ====================================================================== */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}
[data-theme="light"] .cursor-glow {
  background: radial-gradient(circle, rgba(0, 0, 0, 0.02) 0%, transparent 70%);
}

/* ======================================================================
   CYBER FOOTPRINT LOADER SCREEN
   ====================================================================== */
.cyber-loader-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background-color: #030405;
  z-index: 10010;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s cubic-bezier(0.77, 0, 0.175, 1), visibility 0.8s step-end;
}
.cyber-loader-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Scanline / CRT Monitor Flicker */
.scanline-effect {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.06),
    rgba(0, 255, 0, 0.02),
    rgba(0, 0, 255, 0.06)
  );
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
  z-index: 2;
  animation: crtFlicker 0.15s infinite;
}
@keyframes crtFlicker {
  0% { opacity: 0.96; }
  50% { opacity: 1; }
  100% { opacity: 0.98; }
}

/* Walking footsteps loader track */
.footsteps-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  position: relative;
  width: 200px;
  height: 280px;
  margin-bottom: 24px;
}
.loader-footstep {
  width: 60px;
  height: 90px;
  opacity: 0;
  filter: drop-shadow(0 0 12px var(--accent));
  transition: opacity 0.4s ease, transform 0.4s ease;
  position: absolute;
}
.loader-footstep svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
}
.loader-footstep.step-left {
  left: 20px;
  transform: rotate(-10deg) scale(0.9);
}
.loader-footstep.step-right {
  right: 20px;
  transform: rotate(10deg) scale(0.9);
}
.loader-footstep.active {
  opacity: 0.85;
  transform: rotate(var(--rot)) scale(1.05);
  animation: footstepPulse 1.5s infinite alternate;
}
@keyframes footstepPulse {
  0% { filter: drop-shadow(0 0 8px var(--accent)); }
  100% { filter: drop-shadow(0 0 18px var(--accent)); }
}

/* Loader diagnostics panel */
.loader-diagnostics {
  width: 320px;
  text-align: center;
  font-family: monospace;
  z-index: 3;
}
.loader-title {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.4);
}
.loader-status-text {
  color: var(--text-secondary);
  font-size: 10px;
  height: 15px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.loader-bar-bg {
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  border-radius: 99px;
}
.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent);
  transition: width 0.1s ease;
}

/* ======================================================================
   ROTATING 3D EARTH WIREFRAME CANVAS
   ====================================================================== */
#canvas-earth-3d {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 780px;
  height: 780px;
  z-index: -1;
  pointer-events: none;
  opacity: 0.8;
  transition: opacity 1s ease;
}
[data-theme="light"] #canvas-earth-3d {
  opacity: 0.4;
}
@media (max-width: 1024px) {
  #canvas-earth-3d {
    left: 50%;
    top: 50%;
    width: 520px;
    height: 520px;
  }
}

/* ======================================================================
   SCROLLING FREQUENCY CANVAS OVERLAY
   ====================================================================== */
.scroll-frequency-container {
  width: 100%;
  height: 80px;
  position: relative;
  margin: 32px 0;
  overflow: hidden;
}
#canvas-scroll-frequency {
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

/* Smooth Title Reveal Animation */
.smooth-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.smooth-reveal.reveal-active {
  opacity: 1;
  transform: translateY(0);
}

/* Grid overlay hover highlights for Cards */
.card, .showcase-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: rgba(13, 15, 17, 0.65);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}
[data-theme="light"] .card, [data-theme="light"] .showcase-card {
  background: rgba(244, 250, 247, 0.75);
}
.card:hover, .showcase-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.08);
}
.card::before, .showcase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: 
    linear-gradient(rgba(0, 255, 136, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.015) 1px, transparent 1px);
  background-size: 8px 8px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}
.card:hover::before, .showcase-card:hover::before {
  opacity: 1;
}

/* Premium Word Split-Reveal Animation */
.word-wrapper {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  margin-right: 0.18em;
  white-space: nowrap;
}
.word-inner {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
}
.reveal-active .word-inner {
  animation: revealWord 1.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes revealWord {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ======================================================================
   COMPARATIVE BENCHMARKS & STREAK TIMELINE
   ====================================================================== */
.benchmark-container {
  margin-top: 16px;
  position: relative;
}
.benchmark-bar-wrapper {
  position: relative;
  height: 50px;
  margin-top: 30px;
  margin-bottom: 20px;
}
.benchmark-bar-line {
  position: absolute;
  top: 15px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  z-index: 1;
}
.benchmark-bar-axis {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}
.benchmark-tick {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}
.benchmark-tick::before {
  content: '';
  width: 2px;
  height: 16px;
  background: var(--border-color);
  margin-top: 7px;
  margin-bottom: 2px;
}
.benchmark-tick .tick-label {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.benchmark-tick .tick-value {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-secondary);
}
.benchmark-marker {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
  transition: left 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.benchmark-marker::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-card);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
  margin-top: 10px;
  margin-bottom: 2px;
}
[data-theme="light"] .benchmark-marker::before {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
.benchmark-marker .marker-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--bg-card);
  padding: 2px 6px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-top: -38px;
}
.benchmark-marker .marker-value {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-card);
  padding: 1px 4px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-top: 18px;
}

.streak-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: 6px;
}
.streak-dot-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  background: transparent;
  transition: all 0.3s ease;
}
.streak-dot.active .streak-dot-circle {
  border-style: solid;
  border-color: var(--text-primary);
  background: var(--text-primary);
  color: var(--bg-card);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.25);
}
[data-theme="light"] .streak-dot.active .streak-dot-circle {
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.15);
}
.streak-dot.today .streak-dot-circle {
  border-color: var(--accent-dim);
  color: var(--accent-dim);
}
.streak-dot.active.today .streak-dot-circle {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  color: var(--bg-card);
}
.streak-dot-day {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ======================================================================
   ADDITIONAL COMPONENT STYLES: CARBON CLOCK, WHAT-IF, OFFSETS
   ====================================================================== */

/* Carbon Clock styles */
.carbon-clock-container {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 24px;
  width: 100%;
}
.clock-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.live-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-effect 1.5s infinite;
}
@keyframes pulse-effect {
  0% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}
.clock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.clock-section {
  display: flex;
  flex-direction: column;
}
.clock-section.separator {
  border-left: 1px solid var(--border-color);
  padding-left: 16px;
}
.clock-sublabel {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.clock-number {
  font-family: monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.clock-number.highlight {
  color: var(--accent-dim);
}
.clock-unit-label {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Slider Switch styles */
.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border-color);
  transition: .3s;
  border-radius: 20px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-primary);
  transition: .3s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: var(--accent);
}
input:checked + .slider:before {
  transform: translateX(16px);
  background-color: var(--bg-card);
}

.sandbox-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sandbox-toggle-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.toggle-details {
  display: flex;
  flex-direction: column;
}
.toggle-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}
.toggle-desc {
  font-size: 10px;
  color: var(--text-muted);
}

/* Climate Passport Page styles */
.passport-view-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
  min-height: 400px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-top: 16px;
}
.passport-card-wrapper {
  position: relative;
  width: 560px;
  max-width: 100%;
  aspect-ratio: 560 / 315;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
  cursor: pointer;
}
.passport-card-wrapper:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 30px rgba(16, 185, 129, 0.1);
}
.passport-card-wrapper canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Mobile navigation defaults for desktop view */
#mobile-menu-btn {
  display: none !important;
}
.mobile-brand-logo {
  display: none !important;
}
.mobile-overlay {
  display: none;
}

/* ======================================================================
   RESPONSIVE MEDIA BREAKPOINTS (REORGANIZED & OPTIMIZED FOR MOBILE S TO TABLET)
   ====================================================================== */

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    padding: 100px 32px 40px;
    gap: 32px;
    text-align: center;
  }
  .hero-title { font-size: 52px; }
  .hero-text-block { align-items: center; }
  .hero-desc { max-width: 100%; }
  .hero-scroll-indicator { grid-column: span 1; }
  .showcase-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-ticker-strip { gap: 40px; }
  
  .app-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: auto;
    overflow-y: auto;
  }
  .sidebar {
    height: auto;
    padding: 16px 24px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .sidebar .brand { margin-bottom: 16px; }
  .nav-menu ul { flex-direction: row; justify-content: space-around; }
  .sidebar-stats-card { display: none; }
  .btn-back-landing { display: none !important; }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    height: auto !important;
    min-height: 100% !important;
  }

  .hero-title {
    font-size: clamp(28px, 8vw, 48px) !important;
    letter-spacing: -1px;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }
  .landing-header { padding: 20px 24px; }
  .scroll-showcase { padding: 60px 24px; }
  
  .stats-ticker-strip {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
    padding: 16px 20px !important;
  }
  .stat-ticker-value { font-size: 28px; }
  
  .dashboard-grid { 
    grid-template-columns: 1fr !important; 
    gap: 16px !important;
  }
  /* --- HABIT LOGGER DOCK REDESIGN --- */
  .logger-layout {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .logger-layout .card,
  .streak-card {
    grid-column: span 1 !important;
  }
  .streak-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .streak-header > div {
    width: 100% !important;
  }
  .streak-badges-row {
    width: 100% !important;
    justify-content: flex-start !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  .streak-counter-badge {
    font-size: 11px !important;
    padding: 6px 10px !important;
  }
  #streak-dots-timeline {
    padding: 12px 8px !important;
    gap: 4px !important;
  }
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    margin-bottom: 16px !important;
  }
  .form-grid { grid-template-columns: 1fr !important; }
  .form-group.full-width { grid-column: span 1 !important; }
  
  .assistant-chat-panel {
    width: calc(100% - 40px);
    right: 20px;
    left: 20px;
    bottom: 80px;
    z-index: 10002;
  }
  .landing-footer { flex-direction: column; gap: 12px; text-align: center; }


  .top-bar {
    padding: 16px 20px !important;
  }

  /* 3. Audit Option Cards Stack */
  .choice-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* 4. CO2 clock stacks vertically */
  .clock-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .clock-section.separator {
    border-left: none !important;
    padding-left: 0 !important;
    border-top: 1px solid var(--border-color) !important;
    padding-top: 12px !important;
  }

  /* 5. Footprint Leaf Glow Container scaled down */
  .footprint-glow-container {
    width: 240px !important;
    height: 300px !important;
    margin: 0 auto !important;
  }
}

@media (max-width: 480px) {
  /* Landing Header brand text hide & button shrink / stack to prevent overflow */
  .landing-header {
    padding: 12px 16px !important;
    flex-direction: column !important;
    gap: 8px !important;
    align-items: center !important;
    position: relative !important;
  }
  .landing-header .brand span {
    display: none !important; /* Hide "EcoSphere" brand text, keep only icon */
  }
  .landing-nav-actions {
    width: 100% !important;
    justify-content: center !important;
    gap: 10px !important;
  }
  #btn-enter-workspace {
    padding: 8px 14px !important;
    font-size: 11px !important;
    border-radius: 6px !important;
    white-space: nowrap !important;
  }

  /* Hero Section alignments */
  .hero-container {
    padding: 30px 16px 40px !important; /* reduced top padding since header is relative now */
    gap: 24px !important;
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .hero-title {
    font-size: clamp(24px, 7vw, 36px) !important;
    letter-spacing: -1px !important;
    line-height: 1.1 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }
  .hero-title .word-wrapper {
    white-space: normal !important;
    display: inline !important;
  }
  .hero-desc {
    font-size: 13px !important;
    line-height: 1.5 !important;
  }
  .hero-actions-row {
    flex-direction: column !important;
    align-items: stretch !important;
    width: 100% !important;
    gap: 10px !important;
  }
  .hero-actions-row .btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 20px !important;
    font-size: 13px !important;
  }

  /* Name Customizer Input Wrapper */
  .hero-name-container {
    max-width: 100% !important;
    width: 100% !important;
  }
  #hero-name-input {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Carbon Clock adjustments for mobile */
  .carbon-clock-container {
    padding: 16px !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .clock-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .clock-section.separator {
    border-left: none !important;
    padding-left: 0 !important;
    border-top: 1px solid var(--border-color) !important;
    padding-top: 12px !important;
  }
  .clock-number {
    font-size: 18px !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }
  
  /* 3D Earth resizing */
  #canvas-earth-3d {
    width: 280px !important;
    height: 280px !important;
  }
}

@media (max-width: 320px) {
  .hero-title {
    font-size: 20px !important;
  }
  .clock-number {
    font-size: 15px !important;
  }
  .landing-header {
    padding: 10px 8px !important;
  }
  #btn-enter-workspace {
    font-size: 10px !important;
    padding: 6px 10px !important;
  }
}

/* ============================================
   ECOSPHERE — MOBILE RESPONSIVE FIXES
   Paste this at the very bottom of styles.css
   ============================================ */

/* --- GLOBAL SCROLL + OVERFLOW FIX --- */
html {
  overflow-x: hidden;
  overflow-y: auto !important;
  height: auto !important;
}

body {
  overflow-x: hidden;
  overflow-y: auto !important;
  height: auto !important;
  min-height: 100vh;
  max-width: 100vw;
  position: relative !important;
}

/* Fix canvas background blocking touch/scroll events */
canvas {
  pointer-events: none;
  max-width: 100%;
}

/* Safeguard to ensure Climate Passport canvas remains clickable for download */
.passport-card-wrapper canvas,
#passport-page-canvas {
  pointer-events: auto !important;
}

/* Fix any fixed/absolute overlay blocking scroll */
* {
  box-sizing: border-box;
}

/* ============================================
   MOBILE STYLES — 768px and below
   ============================================ */
@media (max-width: 768px) {

  /* --- MOBILE SIDEBAR DRAWER --- */
  .sidebar,
  [class*="sidebar"],
  #sidebar {
    position: fixed !important;
    top: 0 !important;
    left: -100% !important;
    width: 75% !important;
    max-width: 280px !important;
    height: 100vh !important;
    z-index: 1000 !important;
    background: #0a0a0a !important;
    border-right: 0.5px solid rgba(255,255,255,0.1) !important;
    border-bottom: none !important;
    border-top: none !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    padding: 24px !important;
    transition: left 0.3s ease !important;
    overflow-y: auto !important;
  }

  .sidebar.open {
    left: 0 !important;
  }

  /* Show text labels in sidebar drawer on mobile */
  .sidebar span,
  .sidebar .nav-label {
    display: inline-block !important;
  }

  /* Ensure nav list items inside sidebar display vertically */
  .nav-menu ul,
  #main-tabs {
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    gap: 8px !important;
  }

  .nav-item {
    width: 100% !important;
    justify-content: flex-start !important;
  }

  /* Show Home Screen button on mobile inside the drawer */
  .btn-back-landing {
    display: flex !important;
  }

  /* --- MOBILE OVERLAY --- */
  .mobile-overlay {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0,0,0,0.6) !important;
    z-index: 999 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.3s ease !important;
  }

  .mobile-overlay.visible {
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  /* --- MAIN CONTENT — full width + 16px bottom padding --- */
  .main-content,
  [class*="main-content"],
  #main-content {
    margin-left: 0 !important;
    width: 100% !important;
    padding-bottom: 16px !important;
    height: auto !important;
    min-height: 100% !important;
    overflow: visible !important;
  }

  .app-container {
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    min-height: 100% !important;
    overflow: visible !important;
  }

  .view-viewport {
    padding: 16px !important;
    height: auto !important;
    overflow: visible !important;
    flex: 1 !important;
  }

  .section-header {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
  }

  .section-header > div {
    width: 100% !important;
  }

  .section-header > div[style*="display: flex"],
  .section-header > div:last-child {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
  }

  .section-header .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* --- MOBILE HEADER ELEMENT TOGGLES --- */
  #mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: none !important;
    border: none !important;
    color: var(--text-primary) !important;
    font-size: 24px !important;
    cursor: pointer;
    padding: 0 !important;
    width: auto !important;
    height: auto !important;
  }

  .mobile-brand-logo {
    display: flex !important;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-right: auto !important;
  }

  .top-bar .welcome-text {
    display: none !important;
  }

  /* --- HEADER / NAVBAR --- */
  header,
  .header,
  [class*="header"],
  .navbar,
  [class*="navbar"] {
    padding: 8px 12px !important;
    flex-wrap: nowrap !important;
    gap: 8px !important;
  }

  /* Shrink Explore Workstation button on mobile */
  .header button,
  header button,
  .explore-btn,
  [class*="explore"] {
    font-size: 11px !important;
    padding: 6px 10px !important;
    white-space: nowrap !important;
  }

  /* --- CO2 COUNTER — stack vertically --- */
  .co2-counter,
  [class*="co2-counter"],
  [class*="emissions-counter"],
  [class*="counter-grid"] {
    flex-direction: column !important;
    gap: 4px !important;
  }

  /* --- HERO SECTION --- */
  .hero,
  [class*="hero"],
  .landing,
  [class*="landing"] {
    padding: 16px 16px 24px !important;
    text-align: center !important;
  }

  .hero h1,
  [class*="hero"] h1,
  h1 {
    font-size: clamp(1.8rem, 9vw, 3rem) !important;
    line-height: 1.1 !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  /* --- STATS ROW (4 counters) — 2x2 grid --- */
  .stats-row,
  [class*="stats-row"],
  [class*="stats-grid"],
  [class*="metrics-row"] {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
  }

  /* --- WORKSTATION GRID — single column --- */
  .workstation-grid,
  [class*="workstation-grid"],
  [class*="dashboard-grid"],
  .grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* --- AUDIT OPTION CARDS — single column --- */
  .fuel-options,
  .residence-options,
  .diet-options,
  .option-grid,
  [class*="option-grid"],
  [class*="fuel-options"],
  [class*="choice-grid"],
  [class*="selector-grid"] {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* --- AUDIT CARD PADDING --- */
  .audit-card,
  .question-card,
  [class*="audit-card"],
  [class*="question-card"] {
    padding: 16px !important;
    margin: 8px !important;
    width: calc(100% - 16px) !important;
  }

  /* --- PASSPORT CARD — scale to fit --- */
  .passport-container,
  .passport-view-container,
  .passport-card-wrapper,
  [class*="passport"] {
    width: 100% !important;
    max-width: 100% !important;
    padding: 16px !important;
  }

  /* --- TONNAGE BAR — prevent overflow --- */
  [class*="tonnage"],
  [class*="benchmark-bar"],
  [class*="comparison-bar"] {
    overflow-x: auto !important;
    padding-bottom: 8px !important;
  }

  /* --- WHAT-IF SANDBOX --- */
  [class*="sandbox"],
  [class*="what-if"],
  .offset-grid,
  [class*="offset-grid"] {
    grid-template-columns: 1fr !important;
  }

  /* --- BUTTONS — full width on mobile --- */
  .btn-row,
  [class*="btn-row"],
  [class*="action-row"],
  [class*="cta-row"],
  .calc-nav-buttons {
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
  }

  .btn-row button,
  [class*="cta"] button,
  .calc-nav-buttons button,
  .calc-nav-buttons .btn {
    width: 100% !important;
    justify-content: center !important;
    margin: 0 !important;
  }

  /* --- GENERAL OVERFLOW PROTECTION --- */
  section,
  .section,
  [class*="section"],
  .card,
  [class*="card"],
  .panel,
  [class*="panel"] {
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  /* --- TYPOGRAPHY SCALE DOWN --- */
  p, span, label {
    font-size: clamp(12px, 3.5vw, 14px) !important;
  }

  input, select, textarea {
    font-size: 16px !important; /* prevents iOS zoom on focus */
    width: 100% !important;
  }

  /* --- BENCHMARK TICK & MARKER OVERLAPS --- */
  .benchmark-tick .tick-label {
    font-size: 8px !important;
  }
  .benchmark-tick .tick-value {
    font-size: 9px !important;
  }
  .benchmark-marker .marker-label {
    position: absolute !important;
    bottom: 60px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin: 0 !important;
  }
  .benchmark-marker .marker-value {
    position: absolute !important;
    bottom: 42px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin: 0 !important;
  }

  /* --- EQUIVALENCIES GRID RESPONSIVENESS --- */
  .equivalencies-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    margin-top: 20px !important;
  }
  .equiv-item {
    width: 100% !important;
    padding: 12px 16px !important;
  }
}

/* ============================================
   EXTRA SMALL — 320px
   ============================================ */
@media (max-width: 360px) {

  h1 {
    font-size: clamp(1.5rem, 8vw, 2.2rem) !important;
  }

  .header button,
  header button {
    font-size: 10px !important;
    padding: 5px 8px !important;
  }

  /* Stack CO2 counter labels too */
  [class*="counter"] .label,
  [class*="counter"] small {
    font-size: 9px !important;
  }
}

@media (max-width: 768px) {
  .app-view {
    display: none !important;
    height: auto !important;
    min-height: 0 !important;
  }
  .app-view.active {
    display: block !important;
  }
  
  .app-view > * {
    height: auto !important;
    min-height: 0 !important;
  }
  
  #view-dashboard.active {
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
  }
}