:root {
  /* Light Theme Colors (Default) */
  --bg-color: #f8fafc;
  --bg-color-rgb: 248, 250, 252;
  --card-bg: rgba(255, 255, 255, 0.85);
  --nav-bg: rgba(255, 255, 255, 0.9);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-color: #0ea5e9;
  --accent-hover: #0284c7;
  --border-color: rgba(0, 0, 0, 0.08);
  --input-bg: rgba(241, 245, 249, 0.8);
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --glass-shadow: inset 0 1px 1px rgba(255,255,255,1);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-color: #0f172a;
  --bg-color-rgb: 15, 23, 42;
  --card-bg: rgba(30, 41, 59, 0.7);
  --nav-bg: rgba(15, 23, 42, 0.85);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #38bdf8;
  --accent-hover: #0ea5e9;
  --border-color: rgba(255, 255, 255, 0.1);
  --input-bg: rgba(15, 23, 42, 0.8);
  --shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
  --glass-shadow: inset 0 1px 1px rgba(255,255,255,0.05);
}

html {
  scroll-behavior: smooth;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: 80px;
}

/* Cursor Glow */
#cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 10001;
  transition: opacity 0.3s ease;
  mix-blend-mode: multiply;
}
[data-theme="dark"] #cursor-glow {
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  mix-blend-mode: screen;
}

/* Intro Overlay */
#intro-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background-color: #fafafa;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 1s ease-in-out, visibility 1s;
}
body.intro-hidden #cursor-glow {
  /* No special override needed, it falls back to root/dark theme correctly */
}

#intro-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
}
.intro-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 800px;
  padding: 2rem;
}
.intro-brand {
  font-size: 1rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease-out forwards 0.3s;
}
.intro-headline {
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: transparent;
  background: linear-gradient(135deg, #0f172a, #334155);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease-out forwards 0.6s;
}
.intro-features {
  font-size: 1.1rem;
  font-weight: 500;
  color: #475569;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease-out forwards 0.9s;
}
.intro-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease-out forwards 1.2s;
}
.intro-btn {
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}
.intro-btn.primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}
.intro-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px -5px rgba(59, 130, 246, 0.5);
}
.intro-btn.secondary {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #e2e8f0;
}
.intro-btn.secondary:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

#main-app {
  transition: opacity 1.5s ease-in-out;
}
.hidden-app {
  opacity: 0;
  pointer-events: none;
}
.visible-app {
  opacity: 1;
  pointer-events: auto;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 70px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 1000;
}
.nav-brand {
  display: flex; align-items: center; gap: 1rem;
}
.nav-logo { font-size: 2rem; }
.nav-title h1 {
  font-size: 1.25rem; font-weight: 700; color: var(--accent-color);
}
.nav-title p {
  font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase;
}
.nav-links {
  display: flex; list-style: none; gap: 1.5rem;
}
.nav-links a {
  text-decoration: none; color: var(--text-secondary); font-weight: 500;
  padding: 0.5rem 0.75rem; border-radius: 8px; transition: all 0.2s ease;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(125, 125, 125, 0.1);
}
.nav-actions {
  display: flex; align-items: center; gap: 1rem;
}
.location-status {
  display: flex; flex-direction: column; align-items: flex-end;
}
#current-location-label {
  font-size: 0.9rem; font-weight: 600; color: var(--text-primary);
}
#last-updated {
  font-size: 0.75rem; color: var(--text-secondary);
}
.icon-btn {
  background: transparent; border: 1px solid var(--border-color); color: var(--text-primary);
  width: 40px; height: 40px; border-radius: 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover {
  background: rgba(125,125,125,0.1);
}
.refresh-button {
  transition: transform 0.5s ease;
}
.refresh-button.spinning {
  transform: rotate(360deg);
}
.status-indicator {
  display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; font-weight: 600; color: var(--success);
  padding: 0.4rem 0.8rem; background: rgba(34, 197, 94, 0.1); border-radius: 20px;
}
.pulse {
  width: 8px; height: 8px; background-color: var(--success); border-radius: 50%;
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Site Container & Sections */
.site-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 6rem;
  padding-bottom: 8rem;
  padding-top: 2rem;
}
.content-section {
  display: flex; flex-direction: column; gap: 2rem;
  scroll-margin-top: 100px;
}
.section-heading h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem); font-weight: 800; color: var(--text-primary);
}
.section-heading p {
  font-size: 1.1rem; color: var(--text-secondary);
}

/* Premium Card */
.premium-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow), var(--glass-shadow);
  border-radius: 24px;
  padding: 1.5rem;
}
.glass-icon {
  background: rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
}
[data-theme="dark"] .glass-icon {
  background: rgba(255, 255, 255, 0.05);
}

/* Stats Grid */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem;
}
.stat-card {
  display: flex; align-items: center; gap: 1.25rem; position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.stat-card:hover {
  transform: translateY(-5px); border-color: var(--accent-color);
}
.stat-card:hover::before { opacity: 1; }
.stat-icon {
  font-size: 2rem; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; border-radius: 16px;
}
.stat-info h3 { font-size: 0.9rem; color: var(--text-secondary); }
.stat-info p { font-size: 1.8rem; font-weight: 800; margin: 0.2rem 0; }
.stat-label { font-size: 0.8rem; font-weight: 600; }

/* Map Section */
.map-layout { display: grid; grid-template-columns: 250px 1fr; gap: 1.5rem; }
.map-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.action-btn {
  background: var(--input-bg); border: 1px solid var(--border-color); color: var(--text-primary);
  padding: 0.8rem; border-radius: 12px; font-weight: 600; cursor: pointer; transition: 0.2s; text-align: left;
  display: flex; align-items: center; gap: 0.5rem;
}
.action-btn:hover { border-color: var(--accent-color); background: rgba(125,125,125,0.1); }
.sidebar-info-cards { margin-top: auto; display: flex; flex-direction: column; gap: 1rem; }
.side-info { background: var(--input-bg); padding: 1rem; border-radius: 12px; border: 1px solid var(--border-color); font-size: 0.9rem; }
.map-container-large { height: 600px; border-radius: 16px; border: 1px solid var(--border-color); z-index: 1; }

/* Weather Dashboard Section */
.weather-dashboard { min-height: 400px; position: relative; }
.weather-main-card { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 300px; text-align: center; gap: 1rem; }
.weather-loading-spinner { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top: 4px solid var(--accent-color); border-radius: 50%; animation: spin 1s linear infinite; }
.error-icon { font-size: 3rem; margin-bottom: 1rem; }

.weather-layout { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 1.5rem; align-items: stretch; }

.weather-current-details { display: flex; flex-direction: column; gap: 1.5rem; }
/* Weather Dashboard Section Refinement */
.weather-dashboard { display: flex; flex-direction: column; gap: 1.5rem; }
.weather-layout { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 1.5rem; align-items: stretch; }

.weather-hero { 
  display: flex; flex-direction: column; gap: 1.25rem; height: 100%;
  background: linear-gradient(135deg, rgba(var(--bg-color-rgb), 0.8), rgba(var(--accent-color-rgb, 14, 165, 233), 0.1));
  padding: 1.5rem !important; overflow: hidden;
}
.weather-hero-header { display: flex; justify-content: space-between; align-items: center; width: 100%; }

/* Weather Insights Panel */
.weather-insights-panel { 
  margin-top: 0.5rem; padding: 2rem !important; 
  width: 100%; box-sizing: border-box; overflow: hidden;
}
.insights-header { margin-bottom: 2rem; }
.insights-header h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.insights-header p { font-size: 0.9rem; color: var(--text-secondary); }

.insights-grid { 
  display: grid; 
  grid-template-columns: repeat(2, minmax(0, 1fr)); 
  gap: 2rem; width: 100%;
}
.insight-chart-box { 
  background: var(--input-bg); border-radius: 16px; padding: 1.5rem; 
  border: 1px solid var(--border-color); overflow: hidden; min-width: 0;
}
.insight-chart-box h4 { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.insight-chart-wrapper { width: 100%; height: 280px; position: relative; }

.insight-footer { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; min-width: 0; }
.insight-mini-chart { 
  background: var(--input-bg); border-radius: 16px; padding: 1.5rem; 
  border: 1px solid var(--border-color); overflow: hidden; min-width: 0;
}
.mini-chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.mini-chart-header span { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.mini-chart-header strong { font-size: 0.9rem; color: var(--text-primary); }
.mini-chart-wrapper { width: 100%; height: 120px; position: relative; }

.insight-rec-card { 
  display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem; 
  background: linear-gradient(135deg, rgba(var(--accent-color-rgb, 14, 165, 233), 0.1), transparent);
  border-radius: 16px; border: 1px solid var(--accent-color);
  overflow: hidden; min-width: 0;
}
.rec-icon { font-size: 2.5rem; }
.rec-content label { display: block; font-size: 0.75rem; color: var(--accent-color); font-weight: 700; text-transform: uppercase; margin-bottom: 0.25rem; }
.rec-content p { font-size: 1rem; font-weight: 500; color: var(--text-primary); line-height: 1.4; }

@media (max-width: 1100px) {
  .weather-layout { grid-template-columns: 1fr 1fr; }
  .weather-forecast-sidebar { grid-column: span 2; }
}

@media (max-width: 768px) {
  .weather-layout { grid-template-columns: 1fr; }
  .weather-forecast-sidebar { grid-column: auto; }
  .insights-grid, .insight-footer { grid-template-columns: 1fr; }
  .insight-footer { grid-column: auto; }
  .insight-chart-wrapper { height: 240px; }
}

.weather-character-box { width: 100px; height: 100px; position: relative; display: flex; align-items: center; justify-content: center; }
.main-weather-emoji { font-size: 5rem; animation: float 4s ease-in-out infinite; }

/* Metrics Grid */
.weather-metrics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.metric-mini-card { display: flex; align-items: center; gap: 1rem; padding: 1rem !important; }
.m-icon { font-size: 1.5rem; opacity: 0.8; }
.m-info label { display: block; font-size: 0.75rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; }
.m-info span { font-size: 1rem; font-weight: 700; color: var(--text-primary); }

/* Trends/Charts */
.weather-trends { display: flex; flex-direction: column; height: 100%; padding: 1.5rem !important; }
.trend-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.trend-tabs { display: flex; background: var(--input-bg); padding: 0.25rem; border-radius: 12px; }
.tab-btn { 
  padding: 0.5rem 1.25rem; border-radius: 10px; border: none; background: transparent; 
  color: var(--text-secondary); font-weight: 600; font-size: 0.85rem; cursor: pointer; transition: 0.2s;
}
.tab-btn.active { background: var(--card-bg); color: var(--accent-color); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }

/* Chart Wrapper */
.chart-wrapper { 
  width: 100%; height: 340px; min-height: 320px; position: relative; margin-top: 1rem; 
}
@media (max-width: 768px) {
  .chart-wrapper { height: 260px; min-height: 240px; }
}

/* Forecast Sidebar */
.weather-forecast-sidebar { height: 100%; display: flex; flex-direction: column; padding: 1.5rem !important; }
.forecast-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; flex: 1; overflow-y: auto; }
.forecast-item { 
  display: flex; justify-content: space-between; align-items: center; 
  padding: 0.85rem 1rem; background: var(--input-bg); border-radius: 16px; border: 1px solid var(--border-color);
  transition: all 0.2s; cursor: pointer;
}
.forecast-item:hover { transform: translateX(5px); border-color: var(--accent-color); background: var(--card-bg); }
.forecast-item.active { border-color: var(--accent-color); background: var(--card-bg); box-shadow: 0 0 15px rgba(var(--accent-color-rgb, 14, 165, 233), 0.2); }
.f-date { font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
.f-condition { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-secondary); }
.f-temp { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); }
.f-temp span { color: var(--text-secondary); font-weight: 500; font-size: 0.8rem; }

/* Animations for states */
.umbrella-anim { animation: rotate 5s linear infinite; }
.cap-anim { animation: bounce 2s ease-in-out infinite; }
.jacket-anim { animation: pulse-soft 3s infinite; }

@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes rotate { 0% { transform: rotate(-10deg); } 50% { transform: rotate(10deg); } 100% { transform: rotate(-10deg); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes pulse-soft { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* Utility */
.hidden { display: none !important; }

/* Pollution Section */
.pollution-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; }
.safety-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.safety-list li { background: var(--input-bg); padding: 1rem; border-radius: 12px; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; border: 1px solid var(--border-color); }
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 0.5rem; }
.blog-card { display: flex; flex-direction: column; transition: transform 0.3s ease; }
.blog-card:hover { transform: translateY(-5px); }
.blog-card h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.blog-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1.5rem; flex-grow: 1; }
.blog-card a { color: var(--accent-color); text-decoration: none; font-weight: 600; margin-top: auto; }

/* Traffic Section */
.traffic-search { display: flex; gap: 1rem; }
.traffic-search input {
  flex: 1; padding: 1rem 1.5rem; border-radius: 12px; background: var(--input-bg);
  border: 1px solid var(--border-color); color: var(--text-primary); font-size: 1.1rem; outline: none;
}
.traffic-search input:focus { border-color: var(--accent-color); }
.traffic-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; }
.busy-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.busy-list li { display: flex; justify-content: space-between; align-items: center; padding: 1rem; background: var(--input-bg); border-radius: 12px; border: 1px solid var(--border-color); }
.badge { padding: 0.4rem 0.8rem; border-radius: 8px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
.badge.danger { background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }
.badge.warning { background: rgba(245,158,11,0.1); color: #f59e0b; border: 1px solid rgba(245,158,11,0.2); }
.badge.success { background: rgba(16,185,129,0.1); color: #10b981; border: 1px solid rgba(16,185,129,0.2); }

/* Floating Chatbot */
.fab-button {
  position: fixed; bottom: 2rem; right: 2rem; width: 65px; height: 65px; border-radius: 35px;
  background: linear-gradient(135deg, var(--accent-color), #4f46e5); color: #fff;
  border: none; box-shadow: 0 10px 25px rgba(2, 132, 199, 0.4); cursor: pointer;
  z-index: 9999; display: flex; align-items: center; justify-content: center; transition: 0.3s;
}
.fab-button svg { pointer-events: none; }
.fab-button:hover { transform: scale(1.1) translateY(-5px); box-shadow: 0 15px 35px rgba(2, 132, 199, 0.5); }

.chat-modal {
  position: fixed; bottom: 6.5rem; right: 2rem; width: 380px; height: 550px;
  z-index: 9998; display: flex; flex-direction: column; overflow: hidden;
  transition: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); transform-origin: bottom right;
  padding: 0; /* Remove premium-card default padding to use full width for chat */
}
.hidden-chat { opacity: 0; transform: scale(0.8) translateY(20px); pointer-events: none; }
.chat-header {
  display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color); background: rgba(0,0,0,0.02);
}
.chat-header-info { display: flex; align-items: center; gap: 1rem; }
.chat-icon { font-size: 1.8rem; }
.chat-title h4 { font-size: 1rem; color: var(--text-primary); }
.chat-title span { font-size: 0.8rem; color: var(--success); font-weight: 600; }
.close-chat { background: none; border: none; color: var(--text-secondary); font-size: 1.8rem; cursor: pointer; transition: color 0.2s; }
.close-chat:hover { color: var(--danger); }
.chat-messages {
  flex: 1; overflow-y: auto; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; background: var(--bg-color);
}
.message { max-width: 85%; padding: 0.8rem 1.2rem; border-radius: 16px; font-size: 0.95rem; line-height: 1.4; word-wrap: break-word; }
.message.bot {
  background: var(--card-bg); border: 1px solid var(--border-color); align-self: flex-start; border-bottom-left-radius: 4px;
}
.message.user {
  background: linear-gradient(135deg, var(--accent-color), #4f46e5); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px;
}
.quick-actions {
  display: flex; gap: 0.5rem; padding: 0.8rem 1rem; overflow-x: auto; background: var(--bg-color);
  border-top: 1px solid var(--border-color);
}
.quick-actions::-webkit-scrollbar { height: 4px; }
.quick-actions::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
.quick-actions button {
  white-space: nowrap; padding: 0.5rem 1rem; border-radius: 20px; border: 1px solid var(--border-color);
  background: var(--card-bg); color: var(--text-primary); font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: 0.2s;
}
.quick-actions button:hover { border-color: var(--accent-color); color: var(--accent-color); }
.chat-input-area {
  display: flex; gap: 0.5rem; padding: 1rem; border-top: 1px solid var(--border-color); background: var(--card-bg);
}
.chat-input-area input {
  flex: 1; padding: 0.8rem 1.2rem; border-radius: 12px; border: 1px solid var(--border-color);
  background: var(--input-bg); color: var(--text-primary); outline: none; font-size: 0.95rem;
}
.chat-input-area input:focus { border-color: var(--accent-color); }
.send-btn {
  background: var(--accent-color); color: #fff; border: none; width: 45px; height: 45px;
  border-radius: 12px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: 0.2s;
}
.send-btn:hover { background: var(--accent-hover); transform: scale(1.05); }

/* Animations */
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes soft-pulse { 0% { transform: scale(1); opacity: 0.05; } 50% { transform: scale(1.2); opacity: 0.15; } 100% { transform: scale(1); opacity: 0.05; } }

/* Insights Section */
.insights-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; margin-top: 1.5rem; }
.predictions-container { display: flex; flex-direction: column; gap: 1rem; }
.prediction-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.pred-card { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; position: relative; overflow: hidden; }
.pred-card h4 { font-size: 1.1rem; color: var(--accent-color); }
.pred-content { font-size: 0.95rem; line-height: 1.5; }
.simulated-label { font-size: 0.75rem; color: var(--text-secondary); font-style: italic; margin-top: auto; }
.recommendations-container { padding: 1.5rem; }
.rec-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.rec-list li { background: var(--input-bg); padding: 1rem; border-radius: 12px; font-weight: 500; font-size: 0.95rem; border: 1px solid var(--border-color); display: flex; align-items: flex-start; gap: 0.5rem; }

/* Alerts System */
.alerts-container { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.alert-card { padding: 1.25rem 1.5rem; border-radius: 16px; display: flex; align-items: center; gap: 1rem; font-weight: 600; animation: fadeUp 0.5s ease-out; }
.alert-icon { font-size: 1.5rem; }
.alert-danger { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #ef4444; border-left: 4px solid #ef4444; }
.alert-info { background: rgba(14, 165, 233, 0.1); border: 1px solid rgba(14, 165, 233, 0.3); color: #0ea5e9; border-left: 4px solid #0ea5e9; }
.alert-safe { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); color: #10b981; border-left: 4px solid #10b981; }
[data-theme="dark"] .alert-danger { color: #fca5a5; }
[data-theme="dark"] .alert-info { color: #7dd3fc; }
[data-theme="dark"] .alert-safe { color: #6ee7b7; }

/* Combined Chart */
.combined-chart { margin-top: 2rem; padding: 1.5rem; }

/* Footer */
.site-footer {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
  margin-top: 4rem;
}
.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand h3 { font-size: 1.25rem; font-weight: 700; color: var(--accent-color); margin-bottom: 0.5rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.95rem; max-width: 400px; }
.footer-credits h4, .footer-tech h4 { font-size: 1rem; color: var(--text-primary); margin-bottom: 1rem; }
.footer-credits ul, .footer-tech ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; color: var(--text-secondary); font-size: 0.9rem; }
.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .map-layout, .weather-grid, .pollution-grid, .traffic-grid, .insights-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .chat-modal { width: calc(100vw - 4rem); right: 2rem; }
  .prediction-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .site-container { gap: 4rem; padding-bottom: 4rem; }
  .navbar { padding: 0 1.5rem; }
  .weather-main { padding: 2rem !important; }
  .map-container-large { height: 450px; }
  .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { padding-top: 70px; }
  .navbar { height: 60px; padding: 0 1rem; }
  .nav-logo { font-size: 1.5rem; }
  .nav-title h1 { font-size: 1rem; }
  .nav-title p, #last-updated { display: none; }
  
  .site-container { gap: 3rem; padding: 0 1rem 4rem; }
  .section-heading p { font-size: 1rem; }
  
  .stats-grid, .blog-grid, .prediction-cards { grid-template-columns: 1fr; }
  
  .stat-card { padding: 1.25rem; }
  .stat-icon { width: 50px; height: 50px; font-size: 1.5rem; }
  .stat-info p { font-size: 1.5rem; }
  
  .map-layout { grid-template-columns: 1fr; }
  .map-sidebar { order: 2; }
  .map-container-large { height: 350px; order: 1; }
  
  .weather-temp-large { font-size: 3rem; }
  .char-emoji { font-size: 3.5rem; }
  
  .traffic-search { flex-direction: column; }
  
  .fab-button { width: 55px; height: 55px; right: 1rem; bottom: 1rem; }
  .chat-modal { width: calc(100vw - 2rem); right: 1rem; bottom: 5rem; height: 80vh; }
  
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}