/**
 * File: mock-test-mobile.css
 * Description: Mobile App-Style Mock Test Design
 * Version: 3.0 - Mobile App Experience
 * Features: Native App Feel, Touch-Optimized, Modern Mobile UX
 */

/* ==================================================================== */
/* 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: 1040;
  --app-z-tooltip: 1050;
}

/* 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 Container */
/* ==================================================================== */
.mock-test-mobile {
  min-height: 100vh;
  background: var(--app-bg-primary);
  color: var(--app-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.4;
  padding: 0;
  margin: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================================================================== */
/* Mobile App Content */
/* ==================================================================== */
.mock-content-mobile {
  padding: var(--app-space-lg);
  max-width: 100%;
  margin: 0 auto;
}

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

.mock-hero-mobile::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -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;
}

.mock-hero-icon-mobile {
  position: relative;
  z-index: 2;
  width: 80px;
  height: 80px;
  background: var(--app-primary-500);
  border-radius: var(--app-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--app-space-lg);
  color: var(--app-text-white);
  font-size: var(--app-font-3xl);
  box-shadow: var(--app-shadow-md);
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.mock-hero-title-mobile {
  position: relative;
  z-index: 2;
  font-size: var(--app-font-4xl);
  font-weight: 700;
  color: var(--app-text-primary);
  margin: 0 0 var(--app-space-sm) 0;
  letter-spacing: -0.022em;
  animation: slideInUp 0.6s ease-out 0.2s both;
}

.mock-hero-subtitle-mobile {
  position: relative;
  z-index: 2;
  font-size: var(--app-font-lg);
  color: var(--app-text-secondary);
  margin: 0;
  line-height: 1.5;
  animation: slideInUp 0.6s ease-out 0.4s both;
}

/* ==================================================================== */
/* Mobile App Card */
/* ==================================================================== */
.mock-card-mobile {
  background: var(--app-bg-card);
  border-radius: var(--app-radius-xl);
  box-shadow: var(--app-shadow-sm);
  border: 0.5px solid var(--app-bg-tertiary);
  overflow: hidden;
  margin-bottom: var(--app-space-lg);
}

.mock-card-header-mobile {
  background: var(--app-bg-secondary);
  padding: var(--app-space-lg);
  border-bottom: 0.5px solid var(--app-bg-tertiary);
  display: flex;
  align-items: center;
  gap: var(--app-space-md);
}

.mock-card-icon-mobile {
  width: 44px;
  height: 44px;
  background: var(--app-primary-500);
  border-radius: var(--app-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--app-text-white);
  font-size: var(--app-font-lg);
  box-shadow: var(--app-shadow-sm);
}

.mock-card-title-mobile {
  font-size: var(--app-font-xl);
  font-weight: 600;
  color: var(--app-text-primary);
  margin: 0;
  letter-spacing: -0.022em;
}

.mock-card-content-mobile {
  padding: var(--app-space-lg);
}

/* ==================================================================== */
/* Mobile App Question Selection */
/* ==================================================================== */
.mock-question-section-mobile {
  margin-bottom: var(--app-space-xl);
}

.mock-section-label-mobile {
  font-size: var(--app-font-lg);
  font-weight: 600;
  color: var(--app-text-primary);
  margin-bottom: var(--app-space-md);
  display: flex;
  align-items: center;
  gap: var(--app-space-sm);
}

.mock-section-label-mobile i {
  color: var(--app-primary-500);
  font-size: var(--app-font-lg);
}

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

.mock-question-card-mobile {
  background: var(--app-bg-card);
  border: 2px solid var(--app-bg-tertiary);
  border-radius: var(--app-radius-lg);
  padding: var(--app-space-lg);
  text-align: center;
  cursor: pointer;
  transition: var(--app-transition-normal);
  position: relative;
  overflow: hidden;
}

.mock-question-card-mobile::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);
}

.mock-question-card-mobile:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
  border-color: var(--app-primary-200);
}

.mock-question-card-mobile:hover::before {
  transform: scaleX(1);
}

.mock-question-card-mobile.active {
  background: var(--app-primary-50);
  border-color: var(--app-primary-300);
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-md);
}

.mock-question-card-mobile.active::before {
  transform: scaleX(1);
}

.mock-question-number-mobile {
  font-size: var(--app-font-3xl);
  font-weight: 700;
  color: var(--app-primary-600);
  margin-bottom: var(--app-space-xs);
  line-height: 1;
}

.mock-question-time-mobile {
  font-size: var(--app-font-sm);
  color: var(--app-text-tertiary);
  font-weight: 500;
  background: var(--app-bg-tertiary);
  padding: var(--app-space-xs) var(--app-space-sm);
  border-radius: var(--app-radius-sm);
  display: inline-block;
}

.mock-question-card-mobile.active .mock-question-time-mobile {
  background: var(--app-primary-200);
  color: var(--app-primary-700);
}

/* ==================================================================== */
/* Mobile App Info Section */
/* ==================================================================== */
.mock-info-section-mobile {
  background: var(--app-bg-secondary);
  border-radius: var(--app-radius-lg);
  padding: var(--app-space-lg);
  margin-bottom: var(--app-space-xl);
  border: 0.5px solid var(--app-bg-tertiary);
}

.mock-info-item-mobile {
  display: flex;
  align-items: center;
  gap: var(--app-space-md);
  padding: var(--app-space-md) 0;
  border-bottom: 0.5px solid var(--app-bg-tertiary);
}

.mock-info-item-mobile:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.mock-info-item-mobile:first-child {
  padding-top: 0;
}

.mock-info-icon-mobile {
  width: 32px;
  height: 32px;
  background: var(--app-primary-500);
  border-radius: var(--app-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--app-text-white);
  font-size: var(--app-font-sm);
  flex-shrink: 0;
}

.mock-info-text-mobile {
  font-size: var(--app-font-base);
  color: var(--app-text-secondary);
  font-weight: 500;
}

/* ==================================================================== */
/* Mobile App Button */
/* ==================================================================== */
.mock-button-mobile {
  width: 100%;
  background: var(--app-primary-500);
  border: none;
  border-radius: var(--app-radius-lg);
  padding: var(--app-space-lg) var(--app-space-xl);
  color: var(--app-text-white);
  font-size: var(--app-font-lg);
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--app-transition-normal);
  box-shadow: var(--app-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--app-space-sm);
  letter-spacing: -0.022em;
}

.mock-button-mobile::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--app-transition-normal);
}

.mock-button-mobile:hover::before {
  left: 100%;
}

.mock-button-mobile:hover {
  background: var(--app-primary-600);
  transform: translateY(-1px);
  box-shadow: var(--app-shadow-md);
}

.mock-button-mobile:active {
  transform: translateY(0);
  background: var(--app-primary-700);
}

.mock-button-mobile i {
  font-size: var(--app-font-lg);
}

/* ==================================================================== */
/* Mobile App Animations */
/* ==================================================================== */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

/* ==================================================================== */
/* Mobile-Only Design (No Desktop Support) */
/* ==================================================================== */
.mock-test-mobile {
  padding: 0;
}

.mock-content-mobile {
  padding: var(--app-space-md);
}

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

.mock-hero-icon-mobile {
  width: 64px;
  height: 64px;
  font-size: var(--app-font-2xl);
}

.mock-hero-title-mobile {
  font-size: var(--app-font-3xl);
}

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

.mock-card-mobile {
  margin-bottom: var(--app-space-md);
}

.mock-card-header-mobile {
  padding: var(--app-space-md);
}

.mock-card-icon-mobile {
  width: 36px;
  height: 36px;
  font-size: var(--app-font-base);
}

.mock-card-title-mobile {
  font-size: var(--app-font-lg);
}

.mock-card-content-mobile {
  padding: var(--app-space-md);
}

.mock-question-grid-mobile {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--app-space-xs);
}

.mock-question-card-mobile {
  padding: var(--app-space-sm);
}

.mock-question-number-mobile {
  font-size: var(--app-font-lg);
}

.mock-question-time-mobile {
  font-size: var(--app-font-xs);
  padding: 2px var(--app-space-xs);
}

.mock-info-section-mobile {
  padding: var(--app-space-sm);
}

.mock-info-item-mobile {
  padding: var(--app-space-xs) 0;
  border-bottom: 0.5px solid var(--app-bg-tertiary);
}

.mock-info-item-mobile:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.mock-info-icon-mobile {
  width: 24px;
  height: 24px;
  font-size: var(--app-font-xs);
}

.mock-info-text-mobile {
  font-size: var(--app-font-xs);
}

.mock-button-mobile {
  padding: var(--app-space-md) var(--app-space-lg);
  font-size: var(--app-font-base);
}

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

  .mock-button-mobile {
    -webkit-tap-highlight-color: transparent;
  }

  .mock-question-card-mobile {
    -webkit-tap-highlight-color: transparent;
  }
}

@supports (not (-webkit-touch-callout: none)) {
  /* Android specific styles */
  .mock-test-mobile {
    scroll-behavior: smooth;
  }
}

/* ==================================================================== */
/* 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) {
  .mock-question-card-mobile,
  .mock-card-mobile {
    border: 2px solid var(--app-text-primary);
  }
}

.mock-button-mobile:focus,
.mock-question-card-mobile:focus {
  outline: 2px solid var(--app-primary-500);
  outline-offset: 2px;
}

/* ==================================================================== */
/* Print Styles */
/* ==================================================================== */
@media print {
  .mock-test-mobile {
    background: white !important;
    color: black !important;
  }

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

  .mock-button-mobile {
    background: #007aff !important;
    color: white !important;
  }
}