/* assets/style.css - Global Stylesheet for POLL Feedback App */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
  --bg-main: #0b0f19;
  --bg-card: rgba(22, 30, 49, 0.75);
  --bg-card-hover: rgba(30, 41, 67, 0.85);
  --bg-input: rgba(15, 23, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #6366f1;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --secondary: #ec4899;
  --accent: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-main: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  --glass-backdrop: blur(16px);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(at 10% 10%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(236, 72, 153, 0.12) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(16, 185, 129, 0.08) 0px, transparent 60%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}

.container {
  width: 100%;
  max-width: 760px;
}

/* Glass Card Header & Main Container */
.survey-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  padding: 40px;
  margin-top: 20px;
  position: relative;
  overflow: hidden;
}

.survey-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #6366f1, #ec4899, #10b981);
}

/* Header Typography */
.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.admin-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.admin-link-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.survey-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.3;
  margin-bottom: 12px;
}

.survey-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

/* Progress Indicator */
.progress-bar-container {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 36px;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6366f1, #ec4899);
  transition: width 0.4s ease;
}

/* Question Section */
.question-group {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.question-group:last-child {
  border-bottom: none;
}

.question-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.q-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.question-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  margin-left: 36px;
}

/* Form Controls - Options & Cards */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-left: 36px;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-left: 36px;
}

.custom-option {
  position: relative;
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.custom-option:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.custom-option input[type="radio"],
.custom-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.indicator {
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-dim);
  border-radius: 4px;
  margin-right: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.custom-option input[type="radio"] + .indicator {
  border-radius: 50%;
}

.indicator::after {
  content: '';
  display: none;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 2px;
}

.custom-option input[type="radio"] + .indicator::after {
  border-radius: 50%;
}

.custom-option input:checked + .indicator {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.custom-option input:checked + .indicator::after {
  display: block;
}

.custom-option input:checked ~ .option-label {
  color: #fff;
  font-weight: 600;
}

.option-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Text Inputs & Textareas */
.etc-input-box {
  margin-top: 10px;
  display: none;
}

.etc-input-box.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.text-input, .textarea-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

.textarea-input {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
  margin-left: 36px;
  width: calc(100% - 36px);
}

.text-input:focus, .textarea-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* NPS Score Widget 0 - 10 */
.nps-container {
  margin-left: 36px;
}

.nps-grid {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.nps-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.nps-btn:hover {
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.nps-btn.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 15px var(--primary-glow);
  transform: scale(1.05);
}

.nps-btn.detractor.selected {
  background: #ef4444;
  border-color: #ef4444;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.nps-btn.passive.selected {
  background: #f59e0b;
  border-color: #f59e0b;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.nps-btn.promoter.selected {
  background: #10b981;
  border-color: #10b981;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.nps-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Submit Button */
.submit-btn {
  width: 100%;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 18px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px var(--primary-glow);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Thank you Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-main);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.success-icon {
  width: 70px;
  height: 70px;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid #10b981;
  color: #10b981;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

/* Responsive Rules */
@media (max-width: 640px) {
  .survey-card {
    padding: 24px 18px;
  }
  .options-grid {
    grid-template-columns: 1fr;
    margin-left: 0;
  }
  .options-list, .nps-container, .question-sub, .textarea-input {
    margin-left: 0;
    width: 100%;
  }
  .nps-grid {
    gap: 4px;
  }
  .nps-btn {
    font-size: 0.85rem;
    padding: 10px 0;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}