/* Reset & Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-main: #0b0f19;
  --bg-card: #151d30;
  --bg-input: #1e2942;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  
  --accent: #d946ef;
  --accent-hover: #c084fc;
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Layout Constants */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  padding: 40px 0 24px;
  text-align: center;
}

.logo-container {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 8px 20px var(--primary-glow);
  font-family: 'Outfit', sans-serif;
  animation: logo-glow 3s infinite alternate;
}

.logo-text {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 40%, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 16px;
}

/* Trust Banner */
.trust-banner {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.08), rgba(217, 70, 239, 0.08));
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 10px 24px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin: 12px auto 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.trust-item i {
  color: var(--success);
  font-size: 16px;
}

.trust-item.accent i {
  color: var(--accent);
}

/* Main Grid Layout */
.app-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 64px;
}

/* Cards & Containers */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition-normal);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Controls Panel */
.panel-title {
  font-size: 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

/* Input Fields & Textareas */
.input-group {
  margin-bottom: 24px;
}

.input-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.input-label span {
  color: var(--accent);
}

.input-field {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
  transition: all var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea.input-field {
  resize: vertical;
  min-height: 80px;
}

/* Accordion sections for customization */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.01);
  transition: all var(--transition-normal);
}

.accordion-item.active {
  border-color: var(--border-hover);
  background-color: rgba(99, 102, 241, 0.02);
}

.accordion-header {
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  background-color: rgba(255, 255, 255, 0.02);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.accordion-header h3 {
  font-size: 15.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-icon {
  font-size: 12px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion-item.active .accordion-content {
  padding: 20px;
  max-height: 500px;
  overflow-y: auto;
}

/* Colors styling fields */
.color-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
}

.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  margin-top: 6px;
}

.color-input-wrapper input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  background: none;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--border-color);
  border-radius: 50%;
}

.color-value {
  font-family: monospace;
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Options shapes selector */
.shapes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.shape-option {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 6px;
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.shape-option:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

.shape-option.selected {
  background-color: var(--primary-glow);
  border-color: var(--primary);
  color: #fff;
}

/* Logo Upload Area */
.logo-upload-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background-color: rgba(255, 255, 255, 0.01);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary);
  background-color: rgba(99, 102, 241, 0.03);
}

.drop-zone i {
  font-size: 32px;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
}

.drop-zone p {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.logo-controls-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.logo-slider-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.logo-slider-group label {
  font-size: 13px;
  color: var(--text-secondary);
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-container input[type="range"] {
  flex: 1;
  accent-color: var(--primary);
  cursor: pointer;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
}

.slider-val {
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 32px;
  text-align: right;
}

.logo-action-buttons {
  display: flex;
  gap: 10px;
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 500;
  flex: 1;
}

.btn-secondary:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--text-secondary);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Sticky Preview Panel */
.sticky-preview {
  position: sticky;
  top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.preview-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  background-color: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-height: 280px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
}

#canvas-container {
  width: 250px;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
}

/* SVG output defaults styling */
#canvas-container svg {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.download-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-settings {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 14px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  transition: all var(--transition-normal);
  font-family: 'Outfit', sans-serif;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Info Badges */
.privacy-notice {
  font-size: 12.5px;
  color: var(--text-muted);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.privacy-notice i {
  color: var(--success);
}

/* Features Block */
.features-section {
  padding: 64px 0;
  border-top: 1px solid var(--border-color);
}

.section-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  background-color: rgba(99, 102, 241, 0.02);
}

.feature-icon {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 16px;
  display: inline-block;
  background: rgba(99, 102, 241, 0.1);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  line-height: 60px;
  text-align: center;
}

.feature-card.accent .feature-icon {
  color: var(--accent);
  background: rgba(217, 70, 239, 0.1);
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* SEO Content Area */
.seo-section {
  padding: 64px 0;
  border-top: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.01);
}

.seo-content {
  max-width: 850px;
  margin: 0 auto;
}

.seo-content h2 {
  font-size: 28px;
  margin-bottom: 20px;
  text-align: center;
}

.seo-content p {
  color: var(--text-secondary);
  font-size: 15.5px;
  margin-bottom: 24px;
  text-align: justify;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.seo-col h3 {
  font-size: 19px;
  margin-bottom: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.seo-col h3 i {
  color: var(--primary);
}

.seo-col p {
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* FAQ Accordion Styling (AI Optimized) */
.faq-section {
  padding: 64px 0 100px;
  border-top: 1px solid var(--border-color);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 24px;
  border-top: 1px solid transparent;
}

.faq-item.active {
  border-color: var(--primary-glow);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.faq-item.active .faq-question h3 {
  color: #fff;
}

.faq-item.active .faq-answer {
  padding: 18px 24px 24px;
  max-height: 250px;
  border-color: var(--border-color);
  overflow-y: auto;
}

.faq-icon {
  font-size: 14px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 13.5px;
}

footer p {
  margin-bottom: 8px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--primary);
}

/* FontAwesome / Icon Fallbacks */
.icon-box {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
}

/* Animations */
@keyframes logo-glow {
  0% {
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
  }
  100% {
    box-shadow: 0 0 22px rgba(217, 70, 239, 0.7);
  }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .app-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .sticky-preview {
    position: static;
  }
  
  header {
    padding: 32px 0 16px;
  }
  
  .logo-text {
    font-size: 24px;
  }
  
  .trust-banner {
    padding: 8px 16px;
    gap: 12px;
  }
  
  .trust-item {
    font-size: 12px;
  }
}

@media (max-width: 576px) {
  .card {
    padding: 20px;
  }
  
  .color-picker-grid {
    grid-template-columns: 1fr;
  }
  
  .shapes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .seo-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 22px;
  }
  
  .faq-question h3 {
    font-size: 14.5px;
  }
  
  .faq-question {
    padding: 16px;
  }
  
  .faq-item.active .faq-answer {
    padding: 16px;
  }
  
  .trust-banner {
    flex-direction: column;
    align-items: flex-start;
    border-radius: var(--radius-md);
  }
}

/* Spinner Animation for Download Progress */
.animate-spin {
  animation: spin 1s linear infinite;
  display: inline-block;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}