/* ==========================================
   CSS RESET & DESIGN SYSTEM VARIABLES
   ========================================== */
:root {
  /* Color Palette - Quadrants */
  --color-driver-start: #ff4757;
  --color-driver-end: #ff6b81;
  --color-expressive-start: #ffa502;
  --color-expressive-end: #9b5de5;
  --color-pioneer-start: #1e90ff;
  --color-pioneer-end: #70a1ff;
  --color-supporter-start: #2ed573;
  --color-supporter-end: #1abc9c;

  /* UI Base Colors */
  --bg-dark: #0f172a;
  --card-bg: rgba(30, 41, 59, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-quick: all 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ==========================================
   BACKGROUND LIGHTING EFFECTS (BLOBS)
   ========================================== */
.bg-glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  z-index: -1;
  pointer-events: none;
  animation: floatBlobs 20s infinite alternate ease-in-out;
}

.blob-1 {
  background: radial-gradient(circle, var(--color-driver-start), transparent 60%);
  top: -10%;
  left: -10%;
}

.blob-2 {
  background: radial-gradient(circle, var(--color-pioneer-start), transparent 60%);
  bottom: -10%;
  right: -10%;
  animation-delay: -5s;
}

.blob-3 {
  background: radial-gradient(circle, var(--color-expressive-end), transparent 60%);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes floatBlobs {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 8%) scale(1.1); }
  100% { transform: translate(-5%, -5%) scale(0.9); }
}

/* ==========================================
   LAYOUT CONTAINERS
   ========================================== */
.app-container {
  width: 100%;
  max-width: 1200px;
  padding: 24px;
  z-index: 10;
}

/* Base Glass Card */
.card-glass {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Screen Management */
section {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

section.active-screen {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   TYPOGRAPHY & BUTTONS
   ========================================== */
h1 {
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

h2 {
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: 36px;
}

.badge-accent {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #818cf8;
  background: rgba(129, 140, 248, 0.1);
  padding: 6px 16px;
  border-radius: 9999px;
  border: 1px solid rgba(129, 140, 248, 0.2);
  margin-bottom: 24px;
}

/* Buttons */
.btn {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-quick);
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.icon-arrow, .icon-arrow-left, .btn-icon {
  width: 18px;
  height: 18px;
  transition: var(--transition-quick);
}

.btn-primary:hover .icon-arrow {
  transform: translateX(4px);
}

.btn-outline:hover .icon-arrow-left {
  transform: translateX(-4px);
}

/* ==========================================
   WELCOME SCREEN SPECIFICS
   ========================================== */
.quadrant-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
  width: 100%;
}

.preview-card {
  padding: 24px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  text-align: center;
  transition: var(--transition-smooth);
}

.preview-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
}

.preview-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}

.preview-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.preview-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Custom border colors on hover/focus matching quadrant style */
.type-driver:hover { border-color: var(--color-driver-start); box-shadow: 0 10px 25px rgba(255, 71, 87, 0.15); }
.type-expressive:hover { border-color: var(--color-expressive-start); box-shadow: 0 10px 25px rgba(255, 165, 2, 0.15); }
.type-pioneer:hover { border-color: var(--color-pioneer-start); box-shadow: 0 10px 25px rgba(30, 144, 255, 0.15); }
.type-supporter:hover { border-color: var(--color-supporter-start); box-shadow: 0 10px 25px rgba(46, 213, 115, 0.15); }

/* Form Elements */
.user-info-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
  text-align: left;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-group input {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-quick);
}

.input-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: rgba(15, 23, 42, 0.8);
}

/* ==========================================
   QUIZ SCREEN SPECIFICS
   ========================================== */
.quiz-header {
  margin-bottom: 40px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.progress-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-count {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}

.progress-bar-container {
  background: rgba(255, 255, 255, 0.05);
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  background: linear-gradient(90deg, #6366f1, #a855f7);
  width: 10%;
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.question-container {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.question-category {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.question-title {
  font-size: 1.75rem;
  line-height: 1.45;
  margin-bottom: 36px;
  font-weight: 700;
}

.likert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.likert-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px 10px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: var(--transition-smooth);
  outline: none;
}

.likert-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--primary);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.15);
}

.likert-btn:active {
  transform: translateY(0) scale(0.98);
}

.likert-emoji {
  font-size: 2.2rem;
  transition: var(--transition-quick);
  display: block;
}

.likert-btn:hover .likert-emoji {
  transform: scale(1.15);
}

.likert-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-quick);
}

.likert-btn:hover .likert-label {
  color: var(--text-primary);
}

@media (max-width: 600px) {
  .likert-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .likert-btn {
    flex-direction: row;
    justify-content: flex-start;
    padding: 16px 20px;
    gap: 16px;
    text-align: left;
  }
  .likert-emoji {
    font-size: 1.8rem;
  }
}

.quiz-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dimension-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================
   RESULTS SCREEN SPECIFICS (SPLIT PANEL)
   ========================================== */
.result-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: stretch;
}

.result-details-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Glowing accent top border inside result details depending on type */
.result-details-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient, var(--primary));
}

.result-header-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-color, var(--primary));
  background: var(--accent-color-alpha, rgba(129, 140, 248, 0.1));
  padding: 6px 16px;
  border-radius: 9999px;
  border: 1px solid var(--accent-color-border, rgba(129, 140, 248, 0.2));
  width: fit-content;
  margin-bottom: 16px;
}

.result-type-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
}

.result-one-liner {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 28px;
  opacity: 0.95;
}

.dimensions-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.dim-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 16px;
}

.dim-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.dim-value {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.dim-bar-bg {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.dim-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent-gradient, var(--primary));
  width: 0%; /* Dynamic fill */
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
}

.detail-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.section-content {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.6;
  opacity: 0.9;
}

.result-actions {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.result-actions .btn {
  flex: 1;
}

/* ==========================================
   FOUR QUADRANT INTERACTIVE CHART
   ========================================== */
.result-chart-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.chart-panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.chart-container {
  position: relative;
  width: 360px;
  height: 360px;
  margin: 24px auto;
}

/* Axis Labels positioning */
.axis-label {
  position: absolute;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.axis-top { top: -24px; left: 50%; transform: translateX(-50%); }
.axis-bottom { bottom: -24px; left: 50%; transform: translateX(-50%); }
.axis-left { left: -36px; top: 50%; transform: translateY(-50%) rotate(-90deg); }
.axis-right { right: -36px; top: 50%; transform: translateY(-50%) rotate(90deg); }

.quadrant-chart {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Quadrant styling */
.chart-quadrant {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.quad-bg-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.35;
  pointer-events: none;
  z-index: 2;
  transition: var(--transition-quick);
}

/* Axis Cross Lines */
.chart-axis-x {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  z-index: 3;
}

.chart-axis-y {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  z-index: 3;
}

/* User dot representation */
.user-position-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  background: #ffffff;
  border-radius: 50%;
  z-index: 5;
  box-shadow: 0 0 15px #ffffff, 0 0 30px var(--accent-color, var(--primary));
  left: 50%; /* Default center */
  top: 50%;  /* Default center */
  transform: translate(-50%, -50%);
  transition: left 1.5s cubic-bezier(0.16, 1, 0.3, 1), 
              top 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.dot-ripple {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  animation: pulseDot 2s infinite ease-out;
}

@keyframes pulseDot {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(3.5); opacity: 0; }
}

.chart-explanation {
  margin-top: 36px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
  max-width: 280px;
}

/* Quadrant Active Overlay Highlights */
.quadrant-chart.active-driver .quad-top-right {
  background: rgba(255, 71, 87, 0.08);
}
.quadrant-chart.active-driver .quad-top-right .quad-bg-text {
  color: var(--color-driver-start);
  opacity: 1;
  transform: scale(1.1);
}

.quadrant-chart.active-pioneer .quad-top-left {
  background: rgba(30, 144, 255, 0.08);
}
.quadrant-chart.active-pioneer .quad-top-left .quad-bg-text {
  color: var(--color-pioneer-start);
  opacity: 1;
  transform: scale(1.1);
}

.quadrant-chart.active-supporter .quad-bottom-left {
  background: rgba(46, 213, 115, 0.08);
}
.quadrant-chart.active-supporter .quad-bottom-left .quad-bg-text {
  color: var(--color-supporter-start);
  opacity: 1;
  transform: scale(1.1);
}

.quadrant-chart.active-expressive .quad-bottom-right {
  background: rgba(255, 165, 2, 0.08);
}
.quadrant-chart.active-expressive .quad-bottom-right .quad-bg-text {
  color: var(--color-expressive-start);
  opacity: 1;
  transform: scale(1.1);
}


/* ==========================================
   RESPONSIVE LAYOUT
   ========================================== */
@media (max-width: 1024px) {
  .result-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .card-glass {
    padding: 32px 24px;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  .quadrant-preview-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .user-info-form {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .dimensions-summary-grid {
    grid-template-columns: 1fr;
  }
}