/**
 * File: dashboard-mobile-app.css
 * Description: Mobile App Dashboard Design - Native App Experience
 * Version: 8.0 - Mobile App UI/UX
 * Features: iOS/Android inspired, Native animations, App-like interface
 */

/* ==================================================================== */
/* Mobile App Color System */
/* ==================================================================== */
:root {
  /* iOS/Android Inspired Colors */
  --app-primary: #007aff;
  --app-primary-light: #4da6ff;
  --app-primary-dark: #0056cc;
  --app-primary-50: #e6f3ff;
  --app-primary-100: #cce7ff;
  --app-primary-200: #99cfff;
  --app-primary-300: #66b7ff;
  --app-primary-400: #339fff;
  --app-primary-500: #007aff;
  --app-primary-600: #0062cc;
  --app-primary-700: #004999;
  --app-primary-800: #003166;
  --app-primary-900: #001833;

  /* Semantic Colors */
  --app-success: #34c759;
  --app-success-light: #5dd579;
  --app-warning: #ff9500;
  --app-warning-light: #ffb84d;
  --app-error: #ff3b30;
  --app-error-light: #ff6b61;
  --app-info: #5ac8fa;
  --app-info-light: #7dd3fb;

  /* App Background System */
  --app-bg-primary: #ffffff;
  --app-bg-secondary: #f2f2f7;
  --app-bg-tertiary: #e5e5ea;
  --app-bg-card: #ffffff;
  --app-bg-modal: rgba(0, 0, 0, 0.4);

  /* App Text System */
  --app-text-primary: #000000;
  --app-text-secondary: #3c3c43;
  --app-text-tertiary: #8e8e93;
  --app-text-white: #ffffff;
  --app-text-link: #007aff;

  /* App Shadow System */
  --app-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --app-shadow-md: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  --app-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19),
    0 6px 6px rgba(0, 0, 0, 0.23);
  --app-shadow-xl: 0 14px 28px rgba(0, 0, 0, 0.25),
    0 10px 10px rgba(0, 0, 0, 0.22);

  /* App Border Radius */
  --app-radius-sm: 8px;
  --app-radius-md: 12px;
  --app-radius-lg: 16px;
  --app-radius-xl: 20px;
  --app-radius-2xl: 24px;
  --app-radius-full: 9999px;

  /* App Spacing */
  --app-space-xs: 4px;
  --app-space-sm: 8px;
  --app-space-md: 16px;
  --app-space-lg: 24px;
  --app-space-xl: 32px;
  --app-space-2xl: 48px;
  --app-space-3xl: 64px;

  /* App Transitions */
  --app-transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --app-transition-normal: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --app-transition-slow: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --app-transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* App Typography */
  --app-font-xs: 12px;
  --app-font-sm: 14px;
  --app-font-base: 16px;
  --app-font-lg: 18px;
  --app-font-xl: 20px;
  --app-font-2xl: 24px;
  --app-font-3xl: 28px;
  --app-font-4xl: 32px;
  --app-font-5xl: 36px;

  /* App Z-Index */
  --app-z-dropdown: 1000;
  --app-z-sticky: 1020;
  --app-z-fixed: 1030;
  --app-z-modal-backdrop: 1040;
  --app-z-modal: 1050;
  --app-z-popover: 1060;
  --app-z-tooltip: 1070;
}

/* Dark Mode */
[data-bs-theme="dark"] {
  --app-primary: #0a84ff;
  --app-primary-light: #4da6ff;
  --app-primary-dark: #0056cc;
  --app-primary-50: #001833;
  --app-primary-100: #003166;
  --app-primary-200: #004999;
  --app-primary-300: #0062cc;
  --app-primary-400: #007aff;
  --app-primary-500: #0a84ff;
  --app-primary-600: #4da6ff;
  --app-primary-700: #66b7ff;
  --app-primary-800: #99cfff;
  --app-primary-900: #cce7ff;

  --app-success: #30d158;
  --app-success-light: #5dd579;
  --app-warning: #ff9f0a;
  --app-warning-light: #ffb84d;
  --app-error: #ff453a;
  --app-error-light: #ff6b61;
  --app-info: #64d2ff;
  --app-info-light: #7dd3fb;

  --app-bg-primary: #000000;
  --app-bg-secondary: #1c1c1e;
  --app-bg-tertiary: #2c2c2e;
  --app-bg-card: #1c1c1e;
  --app-bg-modal: rgba(0, 0, 0, 0.6);

  --app-text-primary: #ffffff;
  --app-text-secondary: #ebebf5;
  --app-text-tertiary: #8e8e93;
  --app-text-white: #ffffff;
  --app-text-link: #0a84ff;
}

/* ==================================================================== */
/* Mobile App Dashboard Container */
/* ==================================================================== */
.mobile-app-dashboard {
  background: var(--app-bg-primary) !important;
  color: var(--app-text-primary) !important;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif !important;
  line-height: 1.4 !important;
  padding: 0 !important;
  margin: 0 !important;
  min-height: 100vh !important;
  overflow-x: hidden !important;
  /* Override any existing dashboard styles */
  max-width: none !important;
  width: 100% !important;
}

/* ==================================================================== */
/* Mobile App Header */
/* ==================================================================== */
.mobile-app-header {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: var(--app-z-sticky) !important;
  background: var(--app-bg-card) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-bottom: 0.5px solid var(--app-bg-tertiary) !important;
  padding: var(--app-space-md) var(--app-space-lg) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.mobile-app-header-content {
  text-align: center;
}

.mobile-app-header-title {
  font-size: var(--app-font-2xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin: 0;
  line-height: 1.2;
}

.mobile-app-header-subtitle {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: var(--app-space-xs) 0 0 0;
}

/* ==================================================================== */
/* Mobile App Content */
/* ==================================================================== */
.mobile-app-content {
  padding: var(--app-space-lg);
  padding-bottom: calc(var(--app-space-lg) + 80px); /* Space for bottom nav */
}

/* ==================================================================== */
/* Mobile App Hero Section */
/* ==================================================================== */
.mobile-app-hero {
  background: linear-gradient(
    135deg,
    var(--app-primary-50) 0%,
    var(--app-primary-100) 100%
  );
  border-radius: var(--app-radius-2xl);
  padding: var(--app-space-xl);
  margin-bottom: var(--app-space-xl);
  position: relative;
  overflow: hidden;
}

.mobile-app-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    var(--app-primary-200) 0%,
    transparent 70%
  );
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.mobile-app-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.mobile-app-hero-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--app-radius-2xl);
  background: var(--app-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--app-font-4xl);
  color: var(--app-text-white);
  margin: 0 auto var(--app-space-lg);
  box-shadow: var(--app-shadow-lg);
  animation: pulse 2s ease-in-out infinite;
}

.mobile-app-hero-title {
  font-size: var(--app-font-3xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin-bottom: var(--app-space-sm);
}

.mobile-app-hero-subtitle {
  font-size: var(--app-font-base);
  color: var(--app-text-secondary);
  margin-bottom: var(--app-space-xl);
  line-height: 1.5;
}

.mobile-app-hero-actions {
  display: flex;
  gap: var(--app-space-md);
  justify-content: center;
}

.mobile-app-hero-btn {
  padding: var(--app-space-md) var(--app-space-xl);
  border-radius: var(--app-radius-full);
  border: none;
  font-size: var(--app-font-base);
  font-weight: 600;
  cursor: pointer;
  transition: var(--app-transition-normal);
  display: flex;
  align-items: center;
  gap: var(--app-space-sm);
}

.mobile-app-hero-btn.primary {
  background: var(--app-primary-500);
  color: var(--app-text-white);
  box-shadow: var(--app-shadow-md);
}

.mobile-app-hero-btn.primary:hover {
  background: var(--app-primary-600);
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-lg);
}

.mobile-app-hero-btn.secondary {
  background: var(--app-bg-card);
  color: var(--app-text-primary);
  border: 1px solid var(--app-bg-tertiary);
}

.mobile-app-hero-btn.secondary:hover {
  background: var(--app-bg-secondary);
  transform: translateY(-2px);
}

/* ==================================================================== */
/* Mobile App Course Section */
/* ==================================================================== */
.mobile-app-course-section {
  margin-bottom: var(--app-space-xl);
}

.mobile-app-course-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--app-space-lg);
}

.mobile-app-course-title {
  font-size: var(--app-font-xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin: 0;
}

.mobile-app-course-subtitle {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: var(--app-space-xs) 0 0 0;
}

.mobile-app-course-card {
  background: var(--app-bg-card);
  border-radius: var(--app-radius-xl);
  padding: var(--app-space-lg);
  box-shadow: var(--app-shadow-sm);
  border: 1px solid var(--app-bg-tertiary);
  transition: var(--app-transition-normal);
  position: relative;
  overflow: hidden;
}

.mobile-app-course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--app-primary-500);
  transform: scaleX(0);
  transition: var(--app-transition-normal);
}

.mobile-app-course-card:hover::before {
  transform: scaleX(1);
}

.mobile-app-course-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
}

.mobile-app-course-header-card {
  display: flex;
  align-items: center;
  gap: var(--app-space-md);
  margin-bottom: var(--app-space-lg);
}

.mobile-app-course-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--app-radius-lg);
  background: var(--app-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--app-font-xl);
  color: var(--app-text-white);
  flex-shrink: 0;
}

.mobile-app-course-info {
  flex: 1;
  min-width: 0;
}

.mobile-app-course-info h3 {
  font-size: var(--app-font-lg);
  font-weight: 600;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-xs) 0;
}

.mobile-app-course-info p {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: 0;
}

.mobile-app-course-select {
  width: 100%;
  padding: var(--app-space-md);
  border: 1px solid var(--app-bg-tertiary);
  border-radius: var(--app-radius-md);
  background: var(--app-bg-card);
  color: var(--app-text-primary);
  font-size: var(--app-font-base);
  cursor: pointer;
  transition: var(--app-transition-fast);
}

.mobile-app-course-select:focus {
  outline: none;
  border-color: var(--app-primary-300);
  box-shadow: 0 0 0 2px var(--app-primary-100);
  background: var(--app-bg-card);
}

/* ==================================================================== */
/* Mobile App Progress Section */
/* ==================================================================== */
.mobile-app-progress-section {
  margin-bottom: var(--app-space-xl);
}

.mobile-app-progress-header {
  text-align: center;
  margin-bottom: var(--app-space-lg);
}

.mobile-app-progress-title {
  font-size: var(--app-font-xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-sm) 0;
}

.mobile-app-progress-subtitle {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: 0;
}

.mobile-app-progress-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--app-space-md);
}

.mobile-app-progress-card {
  background: var(--app-bg-card);
  border-radius: var(--app-radius-lg);
  padding: var(--app-space-lg);
  box-shadow: var(--app-shadow-sm);
  border: 1px solid var(--app-bg-tertiary);
  transition: var(--app-transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mobile-app-progress-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--app-primary-500);
  transform: scaleX(0);
  transition: var(--app-transition-normal);
}

.mobile-app-progress-card:hover::before {
  transform: scaleX(1);
}

.mobile-app-progress-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
}

.mobile-app-progress-card.vocabulary::before {
  background: var(--app-success);
}

.mobile-app-progress-card.practice::before {
  background: var(--app-warning);
}

.mobile-app-progress-card.mock-test::before {
  background: var(--app-info);
}

.mobile-app-progress-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--app-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--app-font-lg);
  color: var(--app-text-white);
  margin: 0 auto var(--app-space-md);
  transition: var(--app-transition-normal);
}

.mobile-app-progress-icon.vocabulary {
  background: var(--app-success);
}

.mobile-app-progress-icon.practice {
  background: var(--app-warning);
}

.mobile-app-progress-icon.mock-test {
  background: var(--app-info);
}

.mobile-app-progress-info h4 {
  font-size: var(--app-font-base);
  font-weight: 600;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-xs) 0;
}

.mobile-app-progress-info p {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: 0 0 var(--app-space-md) 0;
}

.mobile-app-progress-bar-container {
  margin-top: var(--app-space-md);
}

.mobile-app-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--app-bg-tertiary);
  border-radius: var(--app-radius-full);
  overflow: hidden;
  margin-bottom: var(--app-space-sm);
}

.mobile-app-progress-bar-fill {
  height: 100%;
  background: var(--app-primary-500);
  border-radius: var(--app-radius-full);
  transition: width 0.8s ease-in-out;
}

.mobile-app-progress-bar-fill.vocabulary {
  background: var(--app-success);
}

.mobile-app-progress-bar-fill.practice {
  background: var(--app-warning);
}

.mobile-app-progress-bar-fill.mock-test {
  background: var(--app-info);
}

.mobile-app-progress-stats {
  font-size: var(--app-font-xs);
  color: var(--app-text-tertiary);
  font-weight: 500;
}

/* ==================================================================== */
/* Mobile App Actions Section */
/* ==================================================================== */
.mobile-app-actions-section {
  margin-bottom: var(--app-space-xl);
}

.mobile-app-actions-header {
  text-align: center;
  margin-bottom: var(--app-space-lg);
}

.mobile-app-actions-title {
  font-size: var(--app-font-xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-sm) 0;
}

.mobile-app-actions-subtitle {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: 0;
}

.mobile-app-actions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--app-space-md);
}

.mobile-app-action-card {
  background: var(--app-bg-card);
  border-radius: var(--app-radius-lg);
  padding: var(--app-space-lg);
  box-shadow: var(--app-shadow-sm);
  border: 1px solid var(--app-bg-tertiary);
  transition: var(--app-transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.mobile-app-action-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--app-primary-500);
  transform: scaleX(0);
  transition: var(--app-transition-normal);
}

.mobile-app-action-card:hover::before {
  transform: scaleX(1);
}

.mobile-app-action-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
}

.mobile-app-action-card.documents::before {
  background: var(--app-primary-500);
}

.mobile-app-action-card.vocab::before {
  background: var(--app-success);
}

.mobile-app-action-card.practice::before {
  background: var(--app-warning);
}

.mobile-app-action-card.mock-test::before {
  background: var(--app-info);
}

.mobile-app-action-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--app-space-md);
}

.mobile-app-action-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--app-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--app-font-xl);
  color: var(--app-text-white);
  transition: var(--app-transition-normal);
  position: relative;
  overflow: hidden;
}

.mobile-app-action-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    transparent 100%
  );
  opacity: 0;
  transition: var(--app-transition-normal);
}

.mobile-app-action-icon:hover::before {
  opacity: 1;
}

.mobile-app-action-icon.documents {
  background: var(--app-primary-500);
}

.mobile-app-action-icon.vocab {
  background: var(--app-success);
}

.mobile-app-action-icon.practice {
  background: var(--app-warning);
}

.mobile-app-action-icon.mock-test {
  background: var(--app-info);
}

.mobile-app-action-text h3 {
  font-size: var(--app-font-base);
  font-weight: 600;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-xs) 0;
}

.mobile-app-action-text p {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  margin: 0;
}

/* ==================================================================== */
/* Mobile App Animations */
/* ==================================================================== */
@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(5deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ==================================================================== */
/* Mobile App Responsive */
/* ==================================================================== */
@media (max-width: 480px) {
  .mobile-app-content {
    padding: var(--app-space-md);
  }

  .mobile-app-hero {
    padding: var(--app-space-lg);
    margin-bottom: var(--app-space-lg);
  }

  .mobile-app-hero-icon {
    width: 60px;
    height: 60px;
    font-size: var(--app-font-3xl);
  }

  .mobile-app-hero-title {
    font-size: var(--app-font-2xl);
  }

  .mobile-app-hero-subtitle {
    font-size: var(--app-font-sm);
  }

  .mobile-app-hero-actions {
    flex-direction: column;
    gap: var(--app-space-sm);
  }

  .mobile-app-hero-btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-app-progress-grid {
    grid-template-columns: 1fr;
    gap: var(--app-space-sm);
  }

  .mobile-app-actions-grid {
    grid-template-columns: 1fr;
    gap: var(--app-space-sm);
  }
}

/* ==================================================================== */
/* iOS/Android Specific Styles */
/* ==================================================================== */
@supports (-webkit-touch-callout: none) {
  .mobile-app-dashboard {
    -webkit-overflow-scrolling: touch;
  }

  .mobile-app-hero-btn,
  .mobile-app-action-card {
    -webkit-tap-highlight-color: transparent;
  }
}

/* ==================================================================== */
/* Accessibility & Performance */
/* ==================================================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  .mobile-app-course-card,
  .mobile-app-progress-card,
  .mobile-app-action-card {
    border: 2px solid var(--app-text-primary);
  }
}

.mobile-app-action-card:focus,
.mobile-app-course-select:focus {
  outline: 2px solid var(--app-primary-500);
  outline-offset: 2px;
}

/* ==================================================================== */
/* Loading States */
/* ==================================================================== */
.mobile-app-loading {
  opacity: 0.6;
  pointer-events: none;
}

.mobile-app-loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: shimmer 1.5s infinite;
}

/* ==================================================================== */
/* Dark Mode Enhancements */
/* ==================================================================== */
[data-bs-theme="dark"] .mobile-app-hero {
  background: linear-gradient(
    135deg,
    var(--app-primary-50) 0%,
    var(--app-primary-100) 100%
  );
}

[data-bs-theme="dark"] .mobile-app-hero::before {
  background: radial-gradient(
    circle,
    var(--app-primary-200) 0%,
    transparent 70%
  );
}

/* ==================================================================== */
/* Print Styles */
/* ==================================================================== */
@media print {
  .mobile-app-header,
  .mobile-app-hero-actions,
  .mobile-app-action-card {
    display: none;
  }

  .mobile-app-dashboard {
    background: white !important;
    color: black !important;
  }

  .mobile-app-course-card,
  .mobile-app-progress-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}