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

:root {
  --bg-app: #070913;
  --bg-glass: rgba(13, 17, 30, 0.7);
  --bg-glass-hover: rgba(22, 28, 48, 0.8);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent-color: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --accent-hover: #4f46e5;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --bg-input: rgba(15, 23, 42, 0.6);
  --danger-color: #ef4444;
  --danger-hover: #dc2626;
  --success-color: #10b981;
  --font-sans: 'Outfit', 'Noto Sans Tamil', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-light {
  --bg-app: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-glass-hover: rgba(255, 255, 255, 0.85);
  --border-glass: rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --bg-input: rgba(255, 255, 255, 0.95);
  --accent-glow: rgba(99, 102, 241, 0.15);
}

body.theme-light .checkered-bg {
  background-color: #e2e8f0;
  background-image: 
    linear-gradient(45deg, #cbd5e1 25%, transparent 25%), 
    linear-gradient(-45deg, #cbd5e1 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #cbd5e1 75%), 
    linear-gradient(-45deg, transparent 75%, #cbd5e1 75%);
}

body.theme-light .canvas-viewport {
  background: #cbd5e1;
}

body.theme-light .navbar {
  background: rgba(255, 255, 255, 0.8);
}

body.theme-light .toast {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

body.theme-light .btn-secondary {
  background: rgba(15, 23, 42, 0.04);
  color: var(--text-primary);
  border-color: rgba(15, 23, 42, 0.08);
}

body.theme-light .btn-secondary:hover {
  background: rgba(15, 23, 42, 0.08);
}

.theme-toggle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

body.theme-light .theme-toggle {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.08);
}

body.theme-light .theme-toggle:hover {
  background: rgba(15, 23, 42, 0.08);
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.3);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Premium Top Navigation Bar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-brand span {
  background: linear-gradient(135deg, #a5b4fc, var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 12px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
}

/* Dashboard Layout */
.dashboard {
  display: flex;
  flex: 1;
  gap: 24px;
  padding: 24px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  min-height: 0;
}

/* Sidebar Styling */
.sidebar {
  width: 380px;
  flex: 0 0 380px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
  overflow-y: auto;
  padding-right: 8px;
}

/* Main Preview Panel */
.main-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  height: 100%;
  overflow: hidden;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.glass-card h3 {
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  border-left: 3px solid var(--accent-color);
  padding-left: 10px;
}

/* Form Controls */
label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group {
  margin-bottom: 14px;
}

input[type=text],
input[type=number],
select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: var(--transition-smooth);
}

input[type=text]:focus,
input[type=number]:focus,
select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

/* Row of controls */
.row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.col-flex {
  flex: 1;
  min-width: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.btn-danger:hover {
  background: var(--danger-color);
  border-color: var(--danger-color);
  color: #fff;
}

.btn-full {
  width: 100%;
}

/* Inline Options Buttons (Bold, Italic, Alignment) */
.btn-group {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  overflow: hidden;
  width: 100%;
}

.btn-group-item {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-weight: 600;
  font-size: 13px;
  text-align: center;
}

.btn-group-item:not(:last-child) {
  border-right: 1px solid var(--border-glass);
}

.btn-group-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.btn-group-item.active {
  background: var(--accent-color);
  color: #fff;
}

/* Sliders */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  margin: 10px 0;
}

input[type=range]:focus {
  outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

input[type=range]::-webkit-slider-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--accent-color);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -5px;
  box-shadow: 0 0 8px var(--accent-glow);
  transition: var(--transition-smooth);
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--text-primary);
}

/* Custom Color Picker Styling */
.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 6px 10px;
  height: 42px;
  position: relative;
}

.color-picker-wrap input[type=color] {
  -webkit-appearance: none;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
}

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

.color-picker-wrap input[type=color]::-webkit-color-swatch {
  border: 1px solid var(--border-glass);
  border-radius: 8px;
}

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

/* File Input Styling */
.file-upload-zone {
  border: 2px dashed var(--border-glass);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.01);
}

.file-upload-zone:hover {
  border-color: var(--accent-color);
  background: rgba(99, 102, 241, 0.04);
}

.file-upload-zone p {
  font-size: 13px;
  color: var(--text-secondary);
}

.file-upload-zone input[type=file] {
  display: none;
}

/* Stage Canvas Preview */
.canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border-glass);
  border-bottom: none;
  border-radius: 16px 16px 0 0;
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.canvas-viewport {
  flex: 1;
  background: #0f111a;
  border: 1px solid var(--border-glass);
  border-radius: 0 0 16px 16px;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  position: relative;
}

/* Checkered Background for Transparency */
.checkered-bg {
  background-color: #171924;
  background-image: 
    linear-gradient(45deg, #11131c 25%, transparent 25%), 
    linear-gradient(-45deg, #11131c 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #11131c 75%), 
    linear-gradient(-45deg, transparent 75%, #11131c 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  border-radius: 8px;
  overflow: hidden;
  display: inline-block;
  transform-origin: center center;
  transition: transform 0.1s ease-out;
  padding: 0;
}

canvas {
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  cursor: default;
}

/* Custom Checkbox Toggle Button */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

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

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .3s;
  border-radius: 24px;
  border: 1px solid var(--border-glass);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-color);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
  background-color: #fff;
}

/* Layer Management list inside sidebar */
.layers-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  max-height: 200px;
  overflow-y: auto;
}

.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.layer-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.layer-item.selected {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

.layer-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.layer-drag-icon {
  color: var(--text-muted);
  cursor: grab;
  font-size: 16px;
}

.layer-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-actions {
  display: flex;
  gap: 6px;
}

.layer-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.layer-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.layer-btn.delete:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger-color);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  background: rgba(13, 20, 38, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--accent-color);
  border-left: 4px solid var(--accent-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  color: var(--text-primary);
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  transform: translateX(120%);
  animation: slideIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.toast-success {
  border-color: var(--success-color);
  border-left-color: var(--success-color);
}

.toast.toast-danger {
  border-color: var(--danger-color);
  border-left-color: var(--danger-color);
}

@keyframes slideIn {
  to {
    transform: translateX(0);
  }
}

.toast.fade-out {
  animation: fadeOut 0.4s forwards ease-in;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* Preset buttons */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-color);
}

.preset-btn.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-color);
}

.preset-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.preset-size {
  font-size: 10px;
  color: var(--text-secondary);
  font-family: monospace;
}

/* Collage Specific Layout */
.collage-slot-indicator {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid var(--border-glass);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  pointer-events: none;
}

.slot-controls {
  border-top: 1px dashed var(--border-glass);
  padding-top: 14px;
  margin-top: 14px;
}

.active-slot-badge {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--accent-color);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 8px;
}

/* Font Manager Styles */
.font-manager-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.font-preview-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
  transition: var(--transition-smooth);
}

.font-preview-card:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.font-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.font-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 80%;
}

.font-render-text {
  font-size: 24px;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.curation-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.curation-textarea {
  width: 100%;
  height: 120px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 10px;
  color: #a5b4fc;
  font-family: monospace;
  font-size: 12px;
  resize: none;
  outline: none;
}

.stat-badge {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
}

.stat-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-box input {
  padding-left: 36px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}