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

:root {
  /* White & Orange Premium Theme variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-input: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(249, 115, 22, 0.4);
  
  --primary: #f97316; /* Vibrant Orange */
  --primary-hover: #ea580c;
  --primary-glow: rgba(249, 115, 22, 0.2);
  
  --secondary: #10b981; /* Emerald green for checkmarks/success */
  --secondary-hover: #059669;
  --secondary-glow: rgba(16, 185, 129, 0.15);
  
  --accent: #ef4444; /* Coral red for deletes/warnings */
  --accent-hover: #dc2626;
  
  --text-main: #0f172a; /* Slate 900 text */
  --text-muted: #475569; /* Slate 600 */
  --text-dark: #94a3b8; /* Slate 400 */
  
  --glass-blur: blur(8px);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px -10px rgba(249, 115, 22, 0.08);
}

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

body {
  font-family: 'Outfit', 'Sarabun', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

.bg-gradients {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.gradient-1 {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
  filter: blur(80px);
  opacity: 0.6;
}

.gradient-2 {
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(251, 146, 60, 0.06) 0%, transparent 70%);
  filter: blur(100px);
  opacity: 0.5;
}

header {
  backdrop-filter: var(--glass-blur);
  background-color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: border-bottom 0.3s;
  box-shadow: 0 4px 20px -10px rgba(0,0,0,0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--primary), #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo i {
  background: linear-gradient(135deg, var(--primary), #fb923c);
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  color: #fff;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  font-family: inherit;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #fb923c);
  color: #fff;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 var(--primary-glow);
}

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

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.03);
  border-color: var(--text-dark);
}

.btn-icon {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(249, 115, 22, 0.05);
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  flex: 1;
}

.card {
  background-color: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 35px -10px rgba(249, 115, 22, 0.12);
}

.hero {
  margin-bottom: 3rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.form-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.form-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #fb923c);
  opacity: 0.8;
}

.form-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
}

.form-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

.form-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.form-card-actions .btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  flex: 1;
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-primary {
  background-color: rgba(249, 115, 22, 0.08);
  color: #ea580c;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.08);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.builder-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
}

@media (max-width: 992px) {
  .builder-layout {
    grid-template-columns: 1fr;
  }
}

.form-header-settings {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.form-control {
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.questions-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.question-card {
  position: relative;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.question-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.question-num {
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
}

.question-actions {
  display: flex;
  gap: 0.5rem;
}

.question-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.question-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.question-options-area {
  background-color: rgba(0, 0, 0, 0.01);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.5rem;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.option-row input[type="text"] {
  flex-grow: 1;
}

.btn-add-option {
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  margin-top: 0.5rem;
}

.required-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-secondary);
  transition: .4s;
  border-radius: 24px;
  border: 1px solid var(--border-color);
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.sidebar-panel {
  position: sticky;
  top: 90px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.toolbox-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.toolbox-buttons .btn {
  justify-content: flex-start;
  padding: 0.8rem 1rem;
}

.form-view-container {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-view-header {
  border-top: 8px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  background-color: var(--bg-card);
}

.form-view-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.form-view-question {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-view-question.required-error {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.form-view-label {
  font-size: 1.1rem;
  font-weight: 500;
}

.required-star {
  color: var(--accent);
  margin-left: 0.25rem;
}

.filler-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filler-option-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  cursor: pointer;
  transition: var(--transition);
}

.filler-option-item:hover {
  border-color: var(--border-hover);
  background-color: rgba(249, 115, 22, 0.02);
}

.filler-option-item input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.rating-scale {
  display: flex;
  justify-content: space-between;
  max-width: 400px;
  margin: 1rem 0;
  gap: 0.5rem;
}

.rating-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.rating-num {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  background-color: #ffffff;
}

.rating-option input {
  display: none;
}

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

.rating-option:hover .rating-num {
  border-color: var(--primary);
  transform: scale(1.1);
}

.rating-labels {
  display: flex;
  justify-content: space-between;
  max-width: 400px;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0 0.5rem;
}

.success-card {
  text-align: center;
  padding: 4rem 2rem;
}

.success-card i {
  font-size: 4rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-val {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-top: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 992px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  padding: 1.75rem;
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 250px;
}

.text-responses {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-right: 0.5rem;
}

.text-response-item {
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

th {
  background-color: #f8fafc;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

tr:hover td {
  background-color: #f8fafc;
}

footer {
  margin-top: auto;
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  background-color: rgba(255, 255, 255, 0.4);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--text-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.5); /* Soft slate dark overlay */
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 40px -15px rgba(249, 115, 22, 0.15);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.modal-body {
  margin-bottom: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.share-link-box {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.share-link-box input {
  flex-grow: 1;
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Section Progress Bar */
.progress-bar-container {
  background-color: var(--border-color);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.progress-bar-fill {
  background-color: var(--primary);
  height: 100%;
  transition: width 0.3s ease;
}

/* Matrix Table cell labels */
.matrix-radio-label {
  display: inline-block;
  cursor: pointer;
  padding: 0.5rem;
  width: 100%;
}