/* CSS Variables */
:root {
  --bg: #0b0f14;
  --panel: #0f1720;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --accent: #a78bfa;
  --success: #34c759;
  --error: #ff3b30;
  --warning: #ff9500;
  --text: #f8fafc;
  --text-muted: #cbd5e1;
  --border: #334155;
  --shadow: rgba(0, 0, 0, 0.3);
  
  /* Confetti hint colors */
  --confetti-red: #ff3b30;
  --confetti-green: #34c759;
  --confetti-blue: #007aff;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Prevent Chrome from loading internal datetime CSS */
input[type="date"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Override Chrome's datetime input styling completely */
input[type="date"]::-webkit-datetime-edit {
  display: block;
  background: transparent;
  color: var(--text);
  font-family: var(--font-family);
  font-size: 1rem;
}

input[type="date"]::-webkit-datetime-edit-fields-wrapper {
  background: transparent;
  padding: 0;
}

input[type="date"]::-webkit-datetime-edit-text {
  color: var(--text);
  padding: 0 2px;
}

input[type="date"]::-webkit-datetime-edit-month-field,
input[type="date"]::-webkit-datetime-edit-day-field,
input[type="date"]::-webkit-datetime-edit-year-field {
  color: var(--text);
  background: transparent;
  padding: 0 2px;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  background: transparent;
  color: var(--text);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

input[type="date"]::-webkit-inner-spin-button,
input[type="date"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
  display: none;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Accessibility - Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .glitch-text::before,
  .glitch-text::after {
    display: none !important;
  }
}

/* HUD Styles */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.progress-container {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0%;
  transition: width var(--transition-normal);
}

.progress-text {
  position: absolute;
  top: -25px;
  right: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.hud-controls {
  display: flex;
  gap: var(--space-sm);
}

.mute-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.mute-toggle:hover {
  background: var(--panel);
  color: var(--text);
}

.mute-toggle.muted {
  color: var(--muted);
}

/* Main Content */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
  padding: var(--space-xl) var(--space-md);
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.step {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) 0;
}

.step.hidden {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
}

.step-container {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

/* Hero Section */
.hero {
  text-align: center;
  position: relative;
}

.glitch-container {
  position: relative;
  margin-bottom: var(--space-xl);
}

.glitch-text {
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  animation: glitch 2s infinite;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch-text::before {
  animation: glitch-1 0.5s infinite;
  color: var(--accent);
  z-index: -1;
}

.glitch-text::after {
  animation: glitch-2 0.5s infinite;
  color: var(--error);
  z-index: -2;
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(-2px, 2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(2px, 2px); }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, -2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(-2px, 2px); }
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
}

.floating-icons {
  position: relative;
  height: 100px;
  margin: var(--space-xl) 0;
}

.floating-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  animation: float 3s ease-in-out infinite;
  opacity: 0.7;
}

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

.cta-button {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--bg);
  border: none;
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 200px;
  position: relative;
  overflow: hidden;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--shadow);
}

.cta-button:active {
  transform: translateY(0);
}

.microcopy {
  margin-top: var(--space-xl);
  font-size: 0.875rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* Form Styles */
.step-container h2 {
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  color: var(--primary);
}

.step-description {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
}

.input-group {
  margin-bottom: var(--space-lg);
  text-align: left;
}

.input-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.input-group input {
  width: 100%;
  padding: var(--space-md);
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.submit-btn {
  background: var(--primary);
  color: var(--bg);
  border: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 120px;
}

.submit-btn:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

/* Image Options */
.image-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.image-option {
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid transparent;
}

.image-option:hover {
  transform: scale(1.05);
  border-color: var(--primary);
}

.option-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: all var(--transition-normal);
}

/* Avatar Options */
.avatar-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.avatar-option {
  cursor: pointer;
  padding: var(--space-lg);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  text-align: center;
  background: var(--panel);
}

.avatar-option:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.avatar-option[data-correct="true"]:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.3);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: translateY(-2px) scale(1); }
  50% { transform: translateY(-2px) scale(1.05); }
}

.avatar-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-bottom: var(--space-sm);
  object-fit: cover;
}

.avatar-option span {
  display: block;
  font-weight: 500;
  color: var(--text-muted);
}

/* Choice Options */
.choice-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.choice-btn {
  background: var(--panel);
  color: var(--text);
  border: 2px solid var(--border);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.choice-btn:hover {
  border-color: var(--primary);
  background: var(--bg);
  transform: translateY(-2px);
}

.choice-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

/* Date Picker */
.date-picker-container {
  margin: var(--space-xl) 0;
}

.date-input {
  width: 100%;
  max-width: 300px;
  padding: var(--space-md);
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1rem;
  text-align: center;
}

/* Stego Image */
.stego-image-container {
  margin: var(--space-xl) 0;
  text-align: center;
}

.stego-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
}

/* Text Input */
.text-input {
  width: 100%;
  max-width: 400px;
  padding: var(--space-md);
  background: var(--panel);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

/* Success Screen */
.success-container {
  position: relative;
  text-align: center;
}

.success-title {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.success-message {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.success-message strong {
  color: var(--accent);
}

.color-legend {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.color-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--text);
}

.confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* Toast System */
.toast-container {
  position: fixed;
  top: 100px;
  right: var(--space-md);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--text);
  font-size: 0.875rem;
  box-shadow: 0 4px 12px var(--shadow);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  max-width: 300px;
  word-wrap: break-word;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

/* Footer */
.footer {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: var(--space-lg) var(--space-md);
  margin-top: auto;
}

.footer-content {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.calm-mode-toggle,
.reset-button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.calm-mode-toggle:hover,
.reset-button:hover {
  background: var(--bg);
  color: var(--text);
  border-color: var(--primary);
}

.calm-mode-toggle.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* Troll Effects */
.runaway {
  transition: transform 0.3s ease;
}

.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

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

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  text-align: center;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg);
  color: var(--text);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hud {
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-sm);
  }
  
  .main-content {
    margin-top: 120px;
    padding: var(--space-lg) var(--space-sm);
  }
  
  .glitch-text {
    font-size: 2.5rem;
  }
  
  .image-options,
  .avatar-options,
  .choice-options {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .toast-container {
    right: var(--space-sm);
    left: var(--space-sm);
  }
  
  .toast {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .glitch-text {
    font-size: 2rem;
  }
  
  .success-title {
    font-size: 2rem;
  }
  
  .cta-button {
    width: 100%;
    max-width: 300px;
  }
}

/* Focus Styles for Accessibility */
button:focus,
input:focus,
.choice-btn:focus,
.avatar-option:focus,
.image-option:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Hidden class for screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}