@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #2b6cb0;
  --primary-hover: #1a4f8b;
  --bg-color: #f7fafc;
  --card-bg: #ffffff;
  --text-main: #2d3748;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 15px rgba(0, 0, 0, 0.03);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Header & Progress */
header {
  margin-bottom: 2rem;
  text-align: center;
}

.progress-container {
  width: 100%;
  background-color: var(--border-color);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 1rem;
  display: none; /* Shown during test */
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  width: 0%;
  transition: width 0.5s ease;
}

/* Cards / Sections */
.section {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.5s forwards;
  display: none;
}

.section.active {
  display: block;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.intro-text p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.btn:disabled {
  background-color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: #cbd5e0;
}

.btn-block {
  width: 100%;
  margin-top: 1rem;
}

/* Questions */
.question-block {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
}
.question-block:last-child {
  border-bottom: none;
  margin-bottom: 1rem;
  padding-bottom: 0;
}

.question-text {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Likert Scale */
.likert-scale {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin: 0 auto;
  max-width: 600px;
}

.likert-btn {
  flex: 1;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
  background: white;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.likert-btn:hover {
  background-color: rgba(43, 108, 176, 0.1);
}

.likert-btn.selected {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 0 10px rgba(43, 108, 176, 0.4);
}

/* Sizing circles dynamically for visual hierarchy like 16personalities */
.likert-btn[data-val="1"], .likert-btn[data-val="5"] {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
}
.likert-btn[data-val="2"], .likert-btn[data-val="4"] {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
}
.likert-btn[data-val="3"] {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-color: var(--text-muted);
}
.likert-btn[data-val="3"].selected {
  background-color: var(--text-muted);
}

.likert-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0.5rem auto 0;
}

.agree-label { color: var(--primary-color); font-weight: 500; text-align: right;}
.disagree-label { color: #e53e3e; font-weight: 500; text-align: left; }
.likert-btn[data-val="1"], .likert-btn[data-val="2"] { border-color: #e53e3e; }
.likert-btn[data-val="1"]:hover, .likert-btn[data-val="2"]:hover { background-color: rgba(229, 62, 62, 0.1); }
.likert-btn[data-val="1"].selected, .likert-btn[data-val="2"].selected { background-color: #e53e3e; box-shadow: 0 0 10px rgba(229, 62, 62, 0.4); }

/* Results */
.result-header {
  text-align: center;
  margin-bottom: 2rem;
}

.result-type {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.chart-container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.insight-box {
  background-color: var(--bg-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--primary-color);
}

.insight-box h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.action-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

#qr-container {
  text-align: center;
  margin-top: 2rem;
  display: none;
}
#qrcode {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
}

/* Responsive */
@media (max-width: 600px) {
  .app-container {
    padding: 1rem;
  }
  .section {
    padding: 1.5rem;
  }
  .likert-scale {
    gap: 0.25rem;
  }
  .action-buttons {
    flex-direction: column;
  }
}