/* ==========================================================================
   FitPulse Pro - Premium Athletic & High-Tech UI
   Dark theme, Neon Accents, Glassmorphism, Mobile-First Design
   ========================================================================== */

:root {
  --bg-main: #090d16;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-input: #151d2f;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 245, 155, 0.25);

  --accent-green: #00f59b;
  --accent-green-dim: rgba(0, 245, 155, 0.15);
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-neon: 0 0 25px rgba(0, 245, 155, 0.25);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 245, 155, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.04) 0%, transparent 45%);
  background-attachment: fixed;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

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

.text-gradient {
  background: linear-gradient(135deg, #00f59b 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #a78bfa 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-green { background: rgba(0, 245, 155, 0.15); color: #00f59b; border: 1px solid rgba(0, 245, 155, 0.3); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-yellow { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.3); }

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  cursor: pointer;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #00f59b 0%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #090d16;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 0 15px rgba(0, 245, 155, 0.4);
}

.nav-center-demo {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: var(--radius-full);
  gap: 4px;
}

.demo-pill-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.demo-pill-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.demo-pill-btn.active {
  background: var(--accent-green);
  color: #090d16;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(0, 245, 155, 0.4);
}

.nav-right-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* User Profile Badge */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 4px 12px 4px 6px;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-green);
}

.user-name-role {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.user-name-role .name {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.1;
}

.user-name-role .role-tag {
  font-size: 0.7rem;
  color: var(--accent-green);
  text-transform: capitalize;
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00f59b 0%, #00d688 100%);
  color: #090d16;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 245, 155, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 245, 155, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 26px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-icon-only {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* Card / Surface */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Main Layout Views */
.view-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* Landing Page Styles */
.hero-section {
  text-align: center;
  padding: 60px 16px 40px 16px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 245, 155, 0.1);
  border: 1px solid rgba(0, 245, 155, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  color: var(--accent-green);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Interactive AI Scanner Hero Box */
.ai-hero-demo-box {
  margin: 48px auto;
  max-width: 960px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.9) 0%, rgba(9, 13, 22, 0.95) 100%);
  border: 1px solid rgba(0, 245, 155, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-neon);
  overflow: hidden;
  position: relative;
}

.ai-hero-header {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-hero-body {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: center;
}

@media (max-width: 860px) {
  .ai-hero-body {
    grid-template-columns: 1fr;
  }
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 60px 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 245, 155, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 245, 155, 0.1);
  border: 1px solid rgba(0, 245, 155, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--accent-green);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 60px 0;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-green);
  background: linear-gradient(180deg, rgba(0, 245, 155, 0.05) 0%, rgba(17, 24, 39, 0.8) 100%);
  box-shadow: 0 0 30px rgba(0, 245, 155, 0.15);
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  margin: 16px 0;
}

.pricing-features {
  list-style: none;
  margin: 24px 0;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pricing-features li.active {
  color: var(--text-main);
}

/* Dashboard Header & Stats Grid */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Tabs Bar */
.tabs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--accent-green);
  background: rgba(0, 245, 155, 0.1);
  border-bottom: 2px solid var(--accent-green);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 18px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Filter / Search Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  min-width: 260px;
  flex-grow: 1;
  max-width: 400px;
}

.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px 10px 38px;
  color: #ffffff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--accent-green);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Machine Inventory Cards Grid */
.machines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 20px;
}

.machine-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.machine-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 155, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.machine-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #1f2937;
  position: relative;
}

.machine-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.machine-code-pill {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--accent-green);
  font-weight: 700;
}

/* Mobile Portal (Member Experience) */
.mobile-app-wrapper {
  max-width: 480px;
  margin: 0 auto;
  min-height: calc(100vh - 80px);
  position: relative;
  padding-bottom: 90px;
}

.member-digital-card {
  background: linear-gradient(135deg, #111827 0%, #1e293b 100%);
  border: 1px solid rgba(0, 245, 155, 0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), var(--shadow-neon);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.member-digital-card::after {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

/* Mobile Bottom Navigation Bar */
.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(13, 18, 30, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 8px 12px 14px 12px;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 4px 8px;
}

.mobile-nav-item.active {
  color: var(--accent-green);
}

.mobile-nav-item.scan-highlight {
  position: relative;
  top: -14px;
}

.mobile-nav-item.scan-highlight .scan-circle-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f59b 0%, #06b6d4 100%);
  color: #090d16;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 20px rgba(0, 245, 155, 0.5);
  border: 4px solid var(--bg-main);
  transition: transform 0.2s ease;
}

.mobile-nav-item.scan-highlight:hover .scan-circle-btn {
  transform: scale(1.08);
}

/* ==========================================================================
   CAMERA & AI SCANNER HUD OVERLAY
   ========================================================================== */
.scanner-viewport-box {
  width: 100%;
  height: 380px;
  background: #000000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 245, 155, 0.4);
}

#camera-video-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scanner-hud-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.reticle-box {
  width: 240px;
  height: 240px;
  position: relative;
  border: 2px dashed rgba(0, 245, 155, 0.4);
  border-radius: 16px;
}

.reticle-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--accent-green);
  border-style: solid;
}

.reticle-corner.tl { top: -2px; left: -2px; border-width: 4px 0 0 4px; border-top-left-radius: 12px; }
.reticle-corner.tr { top: -2px; right: -2px; border-width: 4px 4px 0 0; border-top-right-radius: 12px; }
.reticle-corner.bl { bottom: -2px; left: -2px; border-width: 0 0 4px 4px; border-bottom-left-radius: 12px; }
.reticle-corner.br { bottom: -2px; right: -2px; border-width: 0 4px 4px 0; border-bottom-right-radius: 12px; }

.laser-scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #00f59b 50%, transparent 100%);
  box-shadow: 0 0 15px #00f59b;
  animation: laserSweep 2s ease-in-out infinite alternate;
}

@keyframes laserSweep {
  0% { top: 5%; opacity: 0.6; }
  100% { top: 95%; opacity: 1; }
}

.scanner-status-text {
  margin-top: 16px;
  background: rgba(0, 0, 0, 0.7);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--accent-green);
  font-weight: 600;
  border: 1px solid rgba(0, 245, 155, 0.3);
  letter-spacing: 0.03em;
}

/* ==========================================================================
   INTERACTIVE MUSCLE ANATOMY DIAGRAM (SVG)
   ========================================================================== */
.muscle-anatomy-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin: 16px 0;
}

.body-silhouette-svg {
  height: 240px;
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.8));
}

.muscle-path {
  fill: #27354a;
  transition: all 0.3s ease;
}

.muscle-path.active-primary {
  fill: #ff3366 !important;
  filter: drop-shadow(0 0 6px #ff3366);
  animation: pulsePrimary 1.8s ease-in-out infinite alternate;
}

.muscle-path.active-secondary {
  fill: #f59e0b !important;
  filter: drop-shadow(0 0 5px #f59e0b);
}

@keyframes pulsePrimary {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* Rest Timer Component */
.rest-timer-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 16px 0;
}

.timer-countdown {
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent-green);
  letter-spacing: 0.05em;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: #111827;
  z-index: 2;
}

.modal-body {
  padding: 24px;
  flex-grow: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(0, 0, 0, 0.2);
}

/* Form inputs */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(0, 245, 155, 0.15);
}

textarea.form-control {
  min-height: 90px;
  resize: vertical;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #1f2937;
  border: 1px solid var(--border-color);
  color: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideToast 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 280px;
  max-width: 400px;
}

.toast-success { border-left: 4px solid var(--accent-green); }
.toast-error { border-left: 4px solid var(--accent-red); }
.toast-info { border-left: 4px solid var(--accent-cyan); }

@keyframes slideToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Chat Assistant Widget */
.chat-messages-box {
  height: 380px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.chat-bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.45;
}

.chat-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #00f59b 0%, #00c27a 100%);
  color: #090d16;
  font-weight: 500;
  border-bottom-right-radius: 4px;
}

.chat-bubble.assistant {
  align-self: flex-start;
  background: #1f2937;
  color: #f3f4f6;
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

/* QR Code Display Canvas */
.qr-display-box {
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius-md);
  display: inline-block;
  margin: 16px auto;
}

/* Mobile responsive adjustments */
@media (max-width: 640px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .navbar {
    padding: 10px 16px;
  }
  .nav-center-demo {
    display: none; /* Accessible in mobile menu / hero */
  }
  .card {
    padding: 18px;
  }
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }
}