/* Reset & Variables */
@font-face {
  font-family: '極太明朝';
  src: url('../font/極太明朝.ttf') format('truetype'),
       url('./font/極太明朝.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Light Theme Variables (Default) */
:root, body.theme-light {
  --bg-main: #f8fafc;
  --panel-bg: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.98);
  --card-border: rgba(37, 99, 235, 0.15);
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.25);
  --accent: #1e40af;
  --accent-light: #38bdf8;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --input-bg: #f1f5f9;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-main: 0 10px 25px rgba(37, 99, 235, 0.06);
  --font-base: 'Zen Maru Gothic', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

  --toggle-btn-bg: #ffffff;
  --toggle-btn-border: #cbd5e1;
  --toggle-btn-text: #0f172a;
  --toggle-btn-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Dark Theme Variables */
body.theme-dark {
  --bg-main: #0b0f19;
  --panel-bg: #111827;
  --card-bg: rgba(17, 24, 39, 0.95);
  --card-border: rgba(59, 130, 246, 0.25);
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-glow: rgba(59, 130, 246, 0.35);
  --accent: #60a5fa;
  --accent-light: #93c5fd;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #1f2937;
  --input-bg: #1f2937;
  --shadow-main: 0 10px 30px rgba(0, 0, 0, 0.5);

  --toggle-btn-bg: #1e293b;
  --toggle-btn-border: #334155;
  --toggle-btn-text: #f8fafc;
  --toggle-btn-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(2, 132, 199, 0.04) 0%, transparent 45%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  padding: 16px;
  gap: 16px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  transition: all 0.3s ease;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  font-size: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(37, 99, 235, 0.25));
}

.header-brand h1 {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-brand .subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

/* Warning Privacy Badge */
.privacy-badge.warning-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.25);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.08);
}

.badge-icon {
  font-size: 14px;
}

/* Main Workspace Grid */
.app-workspace {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 16px;
  flex: 1;
  min-height: 0;
}

/* Stage Section (Left Column) */
.stage-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.stage-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  box-shadow: var(--shadow-main);
  transition: all 0.3s ease;
}

.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stage-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

/* Scale Indicator Badge */
.scale-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

body.theme-dark .scale-badge {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.scale-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #94a3b8;
}

.scale-badge.scaling {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--accent);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

.scale-badge.scaling .scale-dot {
  background: var(--primary);
  animation: pulse-dot 1.2s infinite alternate;
}

@keyframes pulse-dot {
  from { opacity: 0.5; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1.3); }
}

/* Canvas Wrapper */
.canvas-wrapper {
  flex: 1;
  background: #1e293b;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.15);
}

#previewCanvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Background Presets Bar */
.bg-presets-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--input-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.preset-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.preset-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.preset-pill {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.preset-pill:hover {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

.preset-pill.active {
  background: var(--primary);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.upload-bg-btn {
  font-size: 12px !important;
  padding: 6px 12px !important;
}

/* Controls Section (Right Column) */
.controls-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.controls-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  box-shadow: var(--shadow-main);
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Tab Navigation (Horizontally Scrollable) */
.tabs-nav {
  display: flex;
  background: var(--input-bg);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--input-bg);
  gap: 4px;
}

.tabs-nav::-webkit-scrollbar {
  height: 4px;
}

.tabs-nav::-webkit-scrollbar-track {
  background: var(--input-bg);
}

.tabs-nav::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 2px;
}

.tab-btn {
  flex: 1 0 auto;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 3px 10px var(--primary-glow);
}

/* Tabs Content Area */
.tabs-content {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
}

.tabs-content::-webkit-scrollbar {
  width: 6px;
}

.tabs-content::-webkit-scrollbar-track {
  background: var(--input-bg);
  border-radius: 3px;
}

.tabs-content::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.tab-pane.active {
  display: flex;
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.col-6 {
  flex: 1;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.label-hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
}

.label-badge {
  font-size: 11px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}

.font-select-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upload-font-btn {
  font-size: 12px !important;
  text-align: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.08) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

.font-status-info {
  font-size: 12px;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.form-input, .form-select {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
  background: var(--panel-bg);
}

.form-input.text-lg {
  font-size: 16px;
  font-weight: 700;
}

.form-range {
  accent-color: var(--primary);
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  cursor: pointer;
}

/* Color Picker Wrapper */
.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.form-color {
  -webkit-appearance: none;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  background: none;
}

.form-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.form-color::-webkit-color-swatch {
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.color-val {
  font-size: 12px;
  font-family: monospace;
  color: var(--text-muted);
}

/* Pattern Preview Box */
.pattern-preview-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--input-bg);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.pattern-tile {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background-repeat: repeat;
  background-size: 32px;
}

/* Form Section Title */
.form-section-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-top: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

/* Callout Info */
.info-callout {
  display: flex;
  gap: 10px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.callout-icon {
  font-size: 18px;
}

.callout-content strong {
  color: var(--accent);
}

.callout-content p {
  color: var(--text-muted);
  margin-top: 2px;
}

/* Actions Bar */
.actions-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.secondary-actions {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  outline: none;
}

.btn-multiline {
  flex-direction: column;
  gap: 2px;
  padding: 6px 12px !important;
  line-height: 1.25;
  text-align: center;
  font-size: 13px !important;
}

.btn-subtext {
  font-size: 11px;
  opacity: 0.85;
  font-weight: 500;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary-outline {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-primary-outline:hover {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 0 12px var(--primary-glow);
}

.btn-secondary {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 14px 20px;
  font-size: 15px;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* Extreme Bottom-Right Theme Toggle Drawer Widget (No Overlapping!) */
.theme-drawer-wrapper {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-fab-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--toggle-btn-bg);
  border: 1px solid var(--toggle-btn-border);
  color: var(--toggle-btn-text);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--toggle-btn-shadow);
  transition: all 0.25s ease;
  outline: none;
}

.theme-fab-btn:hover {
  transform: scale(1.1);
  border-color: var(--primary);
  color: var(--primary);
}

.theme-fab-btn.active span {
  transform: rotate(180deg);
}

.theme-drawer-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--toggle-btn-bg);
  border: 1px solid var(--toggle-btn-border);
  color: var(--toggle-btn-text);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--toggle-btn-shadow);
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
  white-space: nowrap;
}

.theme-drawer-btn.hidden {
  display: none !important;
}

.theme-drawer-btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
}

/* Responsive Layout */
@media (max-width: 1100px) {
  .app-workspace {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .app-container {
    height: auto;
  }
  .canvas-wrapper {
    min-height: 400px;
  }
}