/* Modern UI Styles for SmartAC Application */

:root {
  --bs-blue: #0d6efd;
  --bs-indigo: #6610f2;
  --bs-purple: #6f42c1;
  --bs-pink: #d63384;
  --bs-red: #dc3545;
  --bs-orange: #fd7e14;
  --bs-yellow: #ffc107;
  --bs-green: #198754;
  --bs-teal: #20c997;
  --bs-cyan: #0dcaf0;
  --bs-white: #fff;
  --bs-gray: #6c757d;
  --bs-gray-dark: #343a40;
  --bs-primary: #d4af37; /* Changed to gold */
  --bs-secondary: #6c757d;
  --bs-success: #198754;
  --bs-info: #0dcaf0;
  --bs-warning: #ffc107;
  --bs-danger: #dc3545;
  --bs-light: #f8f9fa;
  --bs-dark: #121212; /* Darker black */
  --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-font-size: 1rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.5;
  --bs-body-color: #f8f9fa; /* Light text for dark background */
  --bs-body-bg: #121212; /* Dark background */
  --bs-border-width: 1px;
  --bs-border-style: solid;
  --bs-border-color: #2a2a2a; /* Darker border for dark theme */
  --bs-border-color-translucent: rgba(255, 255, 255, 0.175); /* Inverted for dark theme */
  --bs-border-radius: 0.375rem;
  --bs-border-radius-sm: 0.25rem;
  --bs-border-radius-lg: 0.5rem;
  --bs-border-radius-xl: 0.75rem;
  --bs-border-radius-2xl: 1rem;
  --bs-border-radius-pill: 50rem;
  --bs-heading-color: #d4af37; /* Gold headings */
  --bs-link-color: #d4af37; /* Gold links */
  --bs-link-hover-color: #e6c158; /* Lighter gold on hover */
  --bs-code-color: #d63384;
  --bs-highlight-bg: #2a2a2a; /* Darker highlight for dark theme */

  /* Custom Variables */
  --color-primary: #d4af37; /* Gold primary color */
  --color-primary-rgb: 212, 175, 55;
  --color-primary-contrast: #121212; /* Dark text on gold */
  --color-primary-contrast-rgb: 18, 18, 18;
  --color-primary-shade: #bb9a30; /* Darker gold */
  --color-primary-tint: #d9b74b; /* Lighter gold */

  --color-secondary: #2a2a2a; /* Dark gray secondary */
  --color-secondary-rgb: 42, 42, 42;
  --color-secondary-contrast: #ffffff;
  --color-secondary-contrast-rgb: 255, 255, 255;
  --color-secondary-shade: #252525;
  --color-secondary-tint: #3f3f3f;

  --color-tertiary: #d4af37; /* Gold tertiary */
  --color-tertiary-rgb: 212, 175, 55;
  --color-tertiary-contrast: #121212;
  --color-tertiary-contrast-rgb: 18, 18, 18;
  --color-tertiary-shade: #bb9a30;
  --color-tertiary-tint: #d9b74b;

  --color-success: #2dd36f;
  --color-success-rgb: 45, 211, 111;
  --color-success-contrast: #000000;
  --color-success-contrast-rgb: 0, 0, 0;
  --color-success-shade: #28ba62;
  --color-success-tint: #42d77d;

  --color-warning: #ffc409;
  --color-warning-rgb: 255, 196, 9;
  --color-warning-contrast: #000000;
  --color-warning-contrast-rgb: 0, 0, 0;
  --color-warning-shade: #e0ac08;
  --color-warning-tint: #ffca22;

  --color-danger: #eb445a;
  --color-danger-rgb: 235, 68, 90;
  --color-danger-contrast: #ffffff;
  --color-danger-contrast-rgb: 255, 255, 255;
  --color-danger-shade: #cf3c4f;
  --color-danger-tint: #ed576b;

  --color-medium: #92949c;
  --color-medium-rgb: 146, 148, 156;
  --color-medium-contrast: #000000;
  --color-medium-contrast-rgb: 0, 0, 0;
  --color-medium-shade: #808289;
  --color-medium-tint: #9d9fa6;

  --color-light: #f4f5f8;
  --color-light-rgb: 244, 245, 248;
  --color-light-contrast: #000000;
  --color-light-contrast-rgb: 0, 0, 0;
  --color-light-shade: #d7d8da;
  --color-light-tint: #f5f6f9;

  --color-dark: #121212; /* Darker black */
  --color-dark-rgb: 18, 18, 18;
  --color-dark-contrast: #ffffff;
  --color-dark-contrast-rgb: 255, 255, 255;
  --color-dark-shade: #101010;
  --color-dark-tint: #2a2a2a;

  --font-family: 'Poppins', sans-serif;
  --font-family-title: 'Poppins', sans-serif;
  --font-size-base: 1rem;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;
  --font-size-8xl: 6rem;
  --font-size-9xl: 8rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  --line-height-xs: 1;
  --line-height-sm: 1.25;
  --line-height-md: 1.5;
  --line-height-lg: 1.75;
  --line-height-xl: 2;

  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  --border-radius-none: 0px;
  --border-radius-sm: 0.125rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-3xl: 1.5rem;
  --border-radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

  --ring-offset-shadow: 0 0 #0000;
  --ring-shadow: 0 0 #0000;

  --transition-all: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-colors: background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1), color 0.15s cubic-bezier(0.4, 0, 0.2, 1), fill 0.15s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-opacity: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-shadow: box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-transform: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 72px;
  --header-height-scrolled: 64px;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-dark);
  color: var(--bs-body-color);
  letter-spacing: -0.01em;
  line-height: 1.6;
  overflow-x: hidden;
  transition: all var(--transition-slow);
  scroll-behavior: smooth;
  /* Add padding for fixed header */
  padding-top: 80px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

.modal-dialog {
  max-width: 95%;
  margin: 1rem auto;
}

@media (min-width: 768px) {
  .modal-dialog {
    max-width: 90%;
    margin: 1.75rem auto;
  }
}

@media (min-width: 992px) {
  .modal-dialog {
    max-width: 800px;
  }
}

@media (max-width: 767px) {
  .modal-body .row {
    flex-direction: column;
  }
  
  .modal-body .col-md-8,
  .modal-body .col-md-4 {
    width: 100%;
  }
  
  .modal-body .model-container {
    height: 250px;
    margin-bottom: 1rem;
  }
}

::-webkit-scrollbar-track {
  background: var(--surface-2);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--radius-full);
  opacity: 0.6;
  transition: all var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
  opacity: 1;
}

/* Modern UI Elements */
.section-divider {
  height: 4px;
  width: 60px;
  background-color: var(--color-primary);
  margin: 0 auto;
  border-radius: var(--radius-full);
}

.section-header {
  margin-bottom: 3rem;
  color: var(--color-primary);
}

.feature-list {
  list-style: none;
  padding-left: 0;
}

.feature-list li {
  font-size: 1.1rem;
  padding: 0.5rem 0;
  transition: transform var(--transition-normal) ease;
}

.feature-list li:hover {
  transform: translateX(5px);
}

/* Morph transitions for scrolling */
.morph-scroll {
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.6s ease;
}

[data-aos] {
  transition-timing-function: cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Responsive Design - Mobile First Approach */

/* Fix for small screen overflow issues */
img, svg, video, canvas, audio, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

/* Responsive grid adjustments */
.row {
  margin-left: -10px;
  margin-right: -10px;
}

.col, [class*="col-"] {
  padding-left: 10px;
  padding-right: 10px;
}

@media (min-width: 768px) {
  .row {
    margin-left: -15px;
    margin-right: -15px;
  }
  
  .col, [class*="col-"] {
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* Base styles are for mobile devices */
.container {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.hero-section {
  padding: var(--space-5) 0;
}

.dashboard-header {
  padding: var(--space-4) 0;
}

.component-viewer {
  height: 300px;
}

/* Navigation */
.navbar {
  padding: 0.5rem 0;
  background-color: rgba(18, 18, 18, 0.9);
  transition: all var(--transition-normal);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}

[data-theme="dark"] .navbar {
  background-color: rgba(18, 18, 18, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
  .navbar {
    padding: 0.75rem 0;
  }
}

/* Mobile navigation improvements */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-top: 0.5rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav .nav-item {
    margin-bottom: 0.5rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
  }
  
  .navbar-nav .nav-link:hover,
  .navbar-nav .nav-link:focus {
    background-color: rgba(255, 255, 255, 0.1);
  }
  
  .navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
  }
  
  .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    margin-top: 0.25rem;
  }
  
  .dropdown-item {
    color: white;
  }
  
  .dropdown-item:hover,
  .dropdown-item:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
  }
}

/* Navigation adjustments for mobile */
.navbar-brand {
  display: flex;
  align-items: center;
  font-weight: 700;
  transition: transform var(--transition-normal) ease;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.navbar-brand:hover {
  transform: translateY(-2px);
}

.logo-text {
  font-weight: 600;
  background: linear-gradient(135deg, #d4af37, #e6c158);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  display: inline-block;
}

.nav-link {
  padding: 0.5rem 1rem;
  transition: all var(--transition-normal);
  border-radius: 20px;
  font-weight: 500;
  margin: 0 0.25rem;
  letter-spacing: 0.3px;
  color: var(--text-primary) !important;
}

.nav-link:hover {
  transform: translateY(-2px);
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--color-primary) !important;
}

[data-theme="dark"] .nav-link {
  color: var(--text-on-background) !important;
}

/* Card adjustments for mobile */
.card {
  margin-bottom: var(--space-4);
}

.card-body {
  padding: var(--space-4);
}

/* Responsive typography */
h1, .h1 {
  font-size: 2rem;
}

h2, .h2 {
  font-size: 1.75rem;
}

h3, .h3 {
  font-size: 1.5rem;
}

.lead {
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  h1, .h1 {
    font-size: 2.5rem;
  }
  
  h2, .h2 {
    font-size: 2rem;
  }
  
  h3, .h3 {
    font-size: 1.75rem;
  }
  
  .lead {
    font-size: 1.25rem;
  }
}

@media (min-width: 992px) {
  h1, .h1 {
    font-size: 3rem;
  }
  
  h2, .h2 {
    font-size: 2.5rem;
  }
  
  h3, .h3 {
    font-size: 2rem;
  }
  
  .lead {
    font-size: 1.5rem;
  }
}

/* Extra Large devices */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.hero-section {
  background: linear-gradient(120deg, #121212 0%, #1a1a1a 100%);
  padding: var(--space-7) 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  min-height: 80vh;
  display: flex;
  align-items: center;
  z-index: 1;
  transition: all var(--transition-normal) ease;
}

.hero-section h1 {
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--color-primary);
}

.hero-section h2 {
  font-weight: 400;
  color: #a0a0a0;
}

.hero-image {
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal) ease;
}

.hero-image:hover {
  transform: translateY(-5px);
}

/* 3D Model Viewer */
.model-container {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  background-color: white;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

model-viewer {
  width: 100%;
  height: 400px;
  background-color: white;
  --poster-color: white;
}

#ar-button {
  background-color: var(--color-primary);
  border-radius: 4px;
  border: none;
  position: absolute;
  bottom: 16px;
  right: 16px;
  color: white;
  font-weight: 500;
  padding: 0.5rem 1rem;
}

.model-controls {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
}

.model-controls button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

.model-controls button:hover {
  background-color: var(--color-primary);
  color: white;
}

.progress-bar {
  display: block;
  width: 33%;
  height: 10%;
  max-height: 2px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  border-radius: 25px;
  box-shadow: 0px 3px 10px 3px rgba(0, 0, 0, 0.5), 0px 0px 5px 1px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.9);
  background-color: rgba(0, 0, 0, 0.5);
}

.progress-bar.hide {
  visibility: hidden;
  transition: visibility 0.3s;
}

.update-bar {
  background-color: var(--color-primary);
  width: 0%;
  height: 100%;
  border-radius: 25px;
  float: left;
  transition: width 0.3s;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 0;
}

.dashboard-header {
  background-color: var(--surface-1);
  padding: var(--space-5) 0;
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.dashboard-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  opacity: 0.7;
}

.card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(212, 175, 55, 0.2);
  background-color: #1a1a1a;
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.15);
  border-color: rgba(212, 175, 55, 0.3);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-header {
  background-color: var(--color-primary);
  color: #121212;
  font-weight: 600;
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: var(--space-4) var(--space-5);
}

.card-body {
  padding: var(--space-5);
}

/* Neumorphic card variation */
.card-neumorphic {
  background-color: var(--surface-2);
  box-shadow: var(--nm-shadow);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

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

.card-neumorphic .card-body {
  padding: var(--space-5);
}

/* Modern Card */
.modern-card {
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  height: 100%;
  background-color: var(--card-bg-color);
  position: relative;
  border: none;
}

.modern-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.modern-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  color: var(--text-on-card);
  transition: all var(--transition-normal) ease;
}

.modern-card:hover .card-icon {
  transform: scale(1.1);
}

/* Buttons */
.btn {
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  transition: all var(--transition-normal) ease;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  z-index: -1;
  transform: scale(0);
  transition: transform 0.5s ease;
  border-radius: inherit;
}

.btn:hover::before {
  transform: scale(1);
}

.btn-primary {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  border: none;
  color: white;
  border-radius: 30px;
  transition: all var(--transition-normal) ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e6c158, #d4af37);
  box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
  transform: translateY(-2px);
}
.login-btn {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  color: white !important;
  border-radius: 30px;
  transition: all var(--transition-normal) ease;
  border: none;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
}

.login-btn:hover {
  background: linear-gradient(135deg, #e6c158, #d4af37);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
}

.login-btn-light {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-primary);
  border-radius: 30px;
  transition: all var(--transition-normal) ease;
  border: none;
  font-weight: 500;
}

.login-btn-light:hover {
  background-color: white;
  color: var(--color-primary);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  border-radius: 30px;
  transition: all var(--transition-normal) ease;
}

.btn-outline-primary:hover {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
}

.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
  color: var(--text-on-primary);
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
  background-color: rgba(16, 185, 129, 0.9);
  border-color: rgba(16, 185, 129, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

/* Other Styles */
.practical-step {
  padding: var(--space-4);
  background-color: var(--surface-1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  transition: all var(--transition-normal);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.practical-step:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background-color: var(--primary-color);
  color: var(--text-on-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-normal);
}

.practical-step:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 0 0 5px rgba(0, 98, 255, 0.1);
}

.practical-step.completed {
  background-color: rgba(16, 185, 129, 0.05);
  border-left: 4px solid var(--success-color);
}

.step-content {
  margin-top: var(--space-3);
  padding-left: var(--space-1);
  transition: all var(--transition-normal);
}

/* Responsive Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
}
h1, .h1 {
  font-size: 2rem;
}

h2, .h2 {
  font-size: 1.75rem;
}

h3, .h3 {
  font-size: 1.5rem;
}

.lead {
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  h1, .h1 {
    font-size: 2.5rem;
  }
  
  h2, .h2 {
    font-size: 2rem;
  }
  
  h3, .h3 {
    font-size: 1.75rem;
  }
  
  .lead {
    font-size: 1.25rem;
  }
}

@media (min-width: 992px) {
  h1, .h1 {
    font-size: 3rem;
  }
  
  h2, .h2 {
    font-size: 2.5rem;
  }
  
  h3, .h3 {
    font-size: 2rem;
  }
  
  .lead {
    font-size: 1.5rem;
  }
}
/* Fix for syntax errors */
.navbar-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 98, 255, 0.3);
}

/* Footer Styling */
.footer-wrapper {
  position: relative;
  overflow: hidden;
}

.footer {
  background-color: #0a0a0a;
  color: var(--bs-body-color);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 30px 30px 0 0;
  margin-left: 1rem;
  margin-right: 1rem;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
}

.footer-brand {
  margin-bottom: 1.5rem;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.8rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 5px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-primary);
  opacity: 0.8;
}

/* Component Card Styles */
.component-card {
  background-color: var(--card-bg-color);
  border-radius: 20px;
  padding: 2rem;
  height: 100%;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.component-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.component-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(187, 154, 48, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--color-primary);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .component-icon {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.3), rgba(59, 95, 224, 0.3));
  color: #5dd4c0;
}

.component-card:hover .component-icon {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  color: white;
  transform: scale(1.1);
}

.component-card h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.component-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* Resource Card Styles */
.resource-card {
  background-color: var(--card-bg-color);
  border-radius: 20px;
  padding: 2rem;
  height: 100%;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.resource-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(187, 154, 48, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-primary);
  transition: all var(--transition-normal);
  margin-bottom: 1rem;
}

[data-theme="dark"] .resource-icon {
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.3), rgba(59, 95, 224, 0.3));
  color: #5dd4c0;
}

.resource-card:hover .resource-icon {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  color: white;
}

.resource-content h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.resource-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.resource-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1.5rem;
}

.resource-list li {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

[data-theme="dark"] .footer {
  background-color: var(--surface-2);
  color: var(--text-on-background);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.2);
}

.footer h5 {
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
  font-size: 1.1rem;
}

.footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: linear-gradient(90deg, #d4af37, #bb9a30);
  border-radius: 3px;
}

.footer p, .footer a {
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

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

.footer-links {
  list-style: none;
  padding-left: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
  transition: all var(--transition-normal);
}

.footer-links li a {
  position: relative;
  padding-left: 0;
  transition: all var(--transition-normal);
}

.footer-links li a::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-normal);
}

.footer-links li a:hover {
  padding-left: 20px;
  color: var(--color-primary);
}

.footer-links li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
  transition: all var(--transition-normal);
}

.social-link {
  margin-right: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.social-links a:hover {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(212, 175, 55, 0.2));
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 10px rgba(212, 175, 55, 0.3);
}

/* Login Page Styling */
.login-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  margin: 1rem 0;
  border-radius: 2px;
}

.login-container {
  max-width: 100%;
  margin: 0 auto;
}

.login-card {
  margin-bottom: var(--space-4);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  background-color: #1a1a1a;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.login-card .card-header {
  background: linear-gradient(135deg, #ffd700, #ffd700) !important;
  border-bottom: none;
}

.info-card {
  background-color: var(--card-bg-color);
  border-color: rgba(212, 175, 55, 0.2) !important;
  border-color: var(--border-color) !important;
  transition: all var(--transition-normal);
}

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(187, 154, 48, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

[data-theme="dark"] .info-icon {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(187, 154, 48, 0.3));
  color: var(--color-primary-tint);
}

.form-control, .input-group-text {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
  transition: all var(--transition-normal);
}

.form-control:focus {
  background-color: var(--input-bg-focus);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
}

.input-group-text {
  color: var(--text-secondary);
}

[data-theme="dark"] .form-control, [data-theme="dark"] .input-group-text {
  background-color: rgba(30, 30, 30, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .form-control:focus {
  background-color: rgba(40, 40, 40, 0.9);
}

/* Contact Info Styling */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(187, 154, 48, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .contact-icon {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(187, 154, 48, 0.3));
  color: var(--color-primary-tint);
}

.contact-item:hover .contact-icon {
  background: linear-gradient(135deg, #d4af37, #bb9a30);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 10px rgba(212, 175, 55, 0.3);
}

.contact-text p {
  margin-bottom: 0.25rem;
  opacity: 0.7;
  font-size: 0.9rem;
}

.contact-link {
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.contact-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

[data-theme="dark"] .contact-link:hover {
  color: var(--color-primary-tint);
}

.contact-address {
  margin-bottom: 0;
  font-weight: 500;
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--text-on-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(212, 175, 55, 0.2);
}

.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
  color: var(--text-on-primary);
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
  background-color: rgba(16, 185, 129, 0.9);
  border-color: rgba(16, 185, 129, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

/* AR Button Enhancement */
.ar-button {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  background-color: var(--primary-color);
  color: var(--text-on-primary);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(212, 175, 55, 0.3);
}

.ar-button i {
  transition: all var(--transition-normal);
}

.ar-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.ar-button:hover i {
  transform: scale(1.2);
}

/* Mark Complete Button */
.mark-complete-btn {
  transition: all var(--transition-normal);
  border-radius: var(--radius-full);
}

.mark-complete-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.2);
}

/* AR Button Enhancement */
.ar-button {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  background-color: #000;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ar-button::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.5s ease;
  z-index: 0;
}

.ar-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.ar-button:hover::before {
  opacity: 1;
  transform: scale(1);
}

.component-viewer {
  position: relative;
  overflow: hidden;
  perspective: 1000px;
}

.component-viewer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(212,175,55,0.05) 0%, rgba(255,255,255,0) 50%, rgba(212,175,55,0.05) 100%);
  pointer-events: none;
  z-index: 1;
}

.component-viewer .model-container {
  transition: transform var(--transition-slow);
}

.component-viewer:hover .model-container {
  transform: rotateY(5deg);
}

/* AR Visualization */
.ar-placeholder {
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-1) 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ar-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(212,175,55,0.05) 0%, rgba(255,255,255,0) 70%);
  z-index: 0;
  pointer-events: none;
}

/* Loading Animation and Progress Indicators */
.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(212, 175, 55, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: rotate 1s linear infinite;
  margin: 0 auto;
}

.progress {
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--surface-3);
  overflow: hidden;
  box-shadow: var(--nm-shadow-inset);
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: width 0.5s ease;
  border-radius: var(--radius-full);
}

/* Badge Styles */
.badge {
  padding: 0.35em 0.65em;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.badge-floating {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.badge-floating:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.badge-pill {
  padding-right: 0.8em;
  padding-left: 0.8em;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.bg-secondary {
  background-color: var(--secondary-color) !important;
}

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

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

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

.bg-danger {
  background-color: var(--danger-color) !important;
}

.text-primary {
  color: var(--primary-color) !important;
}

.border-primary {
  border-color: var(--primary-color) !important;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .component-viewer {
    height: 400px;
  }
  
  .model-container {
    height: 350px;
  }
  
  .dashboard-header {
    padding: var(--space-5) 0;
  }
  
  .hero-section {
    padding: var(--space-6) 0;
  }
}

@media (max-width: 768px) {
  .component-viewer {
    height: 300px;
  }
  
  .model-container {
    height: 280px;
  }
  
  .card {
    margin-bottom: var(--space-4);
  }
  
  .dashboard-header {
    padding: var(--space-4) 0;
    margin-bottom: var(--space-4);
  }
  
  .btn {
    padding: 0.4rem 1rem;
  }
  
  .practical-step {
    padding: var(--space-4);
  }
}

@media (max-width: 576px) {
  .component-viewer {
    height: 250px;
  }
  
  .model-container {
    height: 220px;
  }
  
  .card-body {
    padding: var(--space-4);
  }
  
  .hero-section {
    padding: var(--space-5) 0;
  }
  
  .footer {
    padding: var(--space-5) 0;
  }
  
  .btn {
    font-size: 0.875rem;
  }
}

/* Feature Card Colors */
.pink-card {
  background: linear-gradient(145deg, #e91e63, #d81b60);
  color: white;
}

.purple-card {
  background: linear-gradient(145deg, #673ab7, #5e35b1);
  color: white;
}

.teal-card {
  background: linear-gradient(145deg, #009688, #00897b);
  color: white;
}

.orange-card {
  background: linear-gradient(145deg, #ff9800, #f57c00);
  color: white;
}

.blue-card {
  background: linear-gradient(145deg, #2196f3, #1e88e5);
  color: white;
}