/* 이 페이지 및 소스는 3EA Networks에 저작권이 귀속됩니다.
무단 사용시에 저작권법 및 부정경쟁방지법에 의거하여 법적 처벌 및 손해 배상 책임을 질 수 있습니다.

This page and its source are copyrighted by 3EA Networks. Unauthorized use may result in legal punishment and damages under the Copyright Act and the Unfair Competition Prevention Act. */
/* des.html 스타일을 기반으로 한 개선된 스타일 */
:root {
  /* Brand Colors */
  --brand: #6366f1;
  --brand-hov: #4f46e5;
  --brand-light: #eef2ff;
  
  /* Gray Scale - Light Theme */
  --g900: #18181b;
  --g700: #374151;
  --g500: #6b7280;
  --g300: #d4d4d8;
  --g200: #e5e7eb;
  --g100: #f3f4f6;
  --g50: #ffffff;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Typography */
  --fs-h1: 2.5rem;
  --fs-h2: 2rem;
  --fs-h3: 1.6rem;
  --fs-h4: 1.25rem;
  --fs-body: 1.05rem;
  --fs-small: 0.95rem;
  
  /* Spacing */
  --sp-2: 10px;
  --sp-3: 14px;
  --sp-4: 18px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-8: 48px;
  
  /* Layout */
  --radius: 1.5rem;
  --radius-sm: 8px;
  --shadow: 0 4px 32px rgba(0,0,0,.06), 0 2px 12px rgba(99,102,241,.10);
  --blur: 20px;
  
  /* Glassmorphism */
  --glass-bg: rgba(255,255,255,.65);
  --glass-bg-dark: rgba(24,24,27,.55);
}

[data-theme="dark"] {
  --g900: #fafafa;
  --g700: #e5e5e5;
  --g500: #c5c5c5;
  --g300: #52525b;
  --g200: #3f3f46;
  --g100: #27272a;
  --g50: #18181b;
  
  background: var(--g50);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font: 500 var(--fs-body)/1.6 Pretendard, system-ui, sans-serif;
  color: var(--g500);
  background: var(--g50);
  transition: background 0.3s, color 0.3s;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--g900);
  margin-bottom: var(--sp-5);
  transition: color 0.3s;
}

h1 {
  font-size: var(--fs-h1);
  color: var(--brand);
}

h2 {
  font-size: var(--fs-h2);
  border-bottom: 1px solid var(--g200);
  padding-bottom: var(--sp-2);
}

h3 {
  font-size: var(--fs-h3);
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-4);
}

.main-layout {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr 320px;
  }
}

/* Header */
.header {
  text-align: center;
  margin-bottom: var(--sp-8);
  position: relative;
}

.version {
  font-weight: 400;
  opacity: 0.7;
}

.subtitle {
  font-size: var(--fs-body);
  color: var(--g500);
  margin-bottom: var(--sp-6);
}

.theme-toggle {
  position: absolute;
  top: 0;
  right: 0;
}

/* Cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--sp-6);
  margin-bottom: var(--sp-6);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}

[data-theme="dark"] .card {
  background: var(--glass-bg-dark);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--g200);
  position: relative;
  margin-bottom: var(--sp-6);
}

.tab {
  padding: var(--sp-3) var(--sp-6);
  border: none;
  background: none;
  font: 600 var(--fs-h4)/1 Pretendard;
  cursor: pointer;
  color: var(--g500);
  transition: color 0.2s;
}

.tab.active {
  color: var(--brand);
}

.tab-indicator {
  position: absolute;
  bottom: -2px;
  height: 3px;
  width: 120px;
  background: var(--brand);
  border-radius: 2px;
  transition: left 0.3s, width 0.3s;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* File Upload */
.file-upload-area {
  position: relative;
  margin-bottom: var(--sp-6);
}

.file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8);
  border: 2px dashed var(--brand);
  border-radius: var(--radius);
  background: var(--brand-light);
  transition: all 0.3s;
  min-height: 120px;
}

.file-upload-label:hover {
  background: color-mix(in srgb, var(--brand-light) 80%, white);
  transform: translateY(-2px);
}

.upload-icon {
  font-size: 2rem;
  margin-bottom: var(--sp-3);
}

.upload-text {
  text-align: center;
}

.upload-text strong {
  display: block;
  color: var(--g900);
  font-size: var(--fs-body);
  margin-bottom: var(--sp-2);
}

.upload-text span {
  color: var(--g500);
  font-size: var(--fs-small);
}

/* File Status */
.file-status {
  padding: var(--sp-3);
  background: var(--g100);
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-4);
  font-weight: 500;
}

/* Action Grid */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font: 500 var(--fs-body)/1 Pretendard;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:not(:disabled):active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-primary:not(:disabled):hover {
  background: var(--brand-hov);
}

.btn-secondary {
  background: var(--g100);
  color: var(--g700);
}

.btn-secondary:not(:disabled):hover {
  background: var(--g200);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:not(:disabled):hover {
  background: color-mix(in srgb, var(--success) 80%, black);
}

.btn-icon {
  font-size: 1.1em;
}

[data-theme="dark"] .btn-secondary {
  background: var(--g300);
  color: var(--g900);
}

[data-theme="dark"] .btn-secondary:not(:disabled):hover {
  background: var(--g200);
}

/* Ripple Effect */
.btn:not(.no-ripple):not(:disabled)::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  padding-top: 100%;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0.35;
  background: white;
  mix-blend-mode: overlay;
  pointer-events: none;
  transition: transform 0.5s, opacity 0.5s;
}

.btn:not(.no-ripple):not(:disabled):hover::after {
  transform: translate(-50%, -50%) scale(1.9);
  opacity: 0;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--sp-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--g700);
}

.input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--g100);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  color: var(--g900);
  font: inherit;
}

.input:focus {
  outline: none;
  background: white;
  border-color: var(--brand);
}

.input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

[data-theme="dark"] .input {
  background: var(--g300);
  color: var(--g900);
}

[data-theme="dark"] .input:focus {
  background: var(--g200);
}

/* Toggle Switch */
.toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  cursor: pointer;
  font-size: var(--fs-small);
  font-weight: 500;
}

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

.toggle-track {
  position: relative;
  width: 51px;
  height: 27px;
  border-radius: 9999px;
  background: var(--g200);
  transition: 0.2s;
}

.toggle-thumb {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 19px;
  height: 19px;
  background: white;
  border-radius: 50%;
  transition: 0.25s;
}

.toggle input:checked + .toggle-track {
  background: var(--brand);
}

.toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(24px);
}

/* Advanced Selectors */
.advanced-selectors {
  border-top: 1px solid var(--g200);
  padding-top: var(--sp-6);
  margin-top: var(--sp-6);
}

.selector-group {
  margin-bottom: var(--sp-5);
}

.input-with-tooltip {
  position: relative;
  margin-bottom: var(--sp-3);
}

.tooltip-wrapper {
  position: absolute;
  right: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  overflow: visible;
}

.tooltip {
  position: absolute;
  right: 0;
  top: -8px;
  transform: translateY(-100%);
  padding: var(--sp-2) var(--sp-3);
  background: var(--g900);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, transform 0.15s;
  z-index: 10;
}

.tooltip-wrapper:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-110%);
}

/* File List */
.file-list {
  background: var(--g100);
  border-radius: var(--radius);
  padding: var(--sp-4);
  margin-bottom: var(--sp-6);
  max-height: 300px;
  overflow-y: auto;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-3);
  background: white;
  border-radius: var(--radius-sm);
  margin-bottom: var(--sp-2);
  transition: background 0.2s;
}

.file-item:hover {
  background: var(--g50);
}

.file-item-info {
  flex: 1;
}

.file-item-name {
  font-weight: 600;
  color: var(--g900);
}

.file-item-size {
  color: var(--g500);
  font-size: var(--fs-small);
}

.file-item-actions {
  display: flex;
  gap: var(--sp-2);
}

.file-item-btn {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-small);
  border-radius: var(--radius-sm);
}

/* Progress */
.progress-container {
  background: var(--g100);
  border-radius: var(--radius);
  padding: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-3);
  font-weight: 600;
}

.progress {
  width: 100%;
  height: 12px;
  background: var(--g200);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--brand) 25%, var(--brand-hov) 75%);
  background-size: 200% 100%;
  animation: progressShimmer 2s linear infinite;
  width: 0%;
  transition: width 0.4s;
}

@keyframes progressShimmer {
  from { background-position: 0 0; }
  to { background-position: -200% 0; }
}

.current-file {
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--g500);
}

/* Batch Actions */
.batch-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

/* Result Section */
.result-card {
  background: var(--g50);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--g200);
}

.result-actions {
  display: flex;
  gap: var(--sp-3);
}

.result-content {
  background: var(--g100);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  white-space: pre-wrap;
  overflow: auto;
  min-height: 200px;
  max-height: 500px;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  border: 1px solid var(--g200);
}

/* Spinner */
.spinner {
  width: 45px;
  height: 45px;
  border: 4px solid var(--g200);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--sp-4) auto;
}

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

/* Status */
.status {
  text-align: center;
  font-weight: 600;
  margin-top: var(--sp-4);
  padding: var(--sp-3);
  border-radius: var(--radius-sm);
  transition: all 0.3s;
}

.status.success {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, transparent);
}

.status.error {
 color: var(--danger);
 background: color-mix(in srgb, var(--danger) 10%, transparent);
}

.status.warning {
 color: var(--warning);
 background: color-mix(in srgb, var(--warning) 10%, transparent);
}

/* Sidebar */
.sidebar {
 position: sticky;
 top: var(--sp-4);
 height: fit-content;
}

.sidebar .card {
 margin-bottom: var(--sp-4);
}

.sidebar h3 {
 font-size: var(--fs-h4);
 margin-bottom: var(--sp-4);
 color: var(--brand);
}

/* Utility Classes */
.hidden {
 display: none !important;
}

.sr-only {
 position: absolute;
 width: 1px;
 height: 1px;
 padding: 0;
 margin: -1px;
 overflow: hidden;
 clip: rect(0, 0, 0, 0);
 white-space: nowrap;
 border: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
 .container {
   padding: var(--sp-4) var(--sp-3);
 }
 
 .header h1 {
   font-size: 2rem;
 }
 
 .theme-toggle {
   position: static;
   margin-top: var(--sp-4);
 }
 
 .action-grid,
 .batch-actions {
   grid-template-columns: 1fr;
 }
 
 .result-header {
   flex-direction: column;
   align-items: stretch;
   gap: var(--sp-3);
 }
 
 .result-actions {
   justify-content: center;
 }
 
 .tabs {
   flex-direction: column;
 }
 
 .tab {
   text-align: center;
   border-bottom: 1px solid var(--g200);
 }
 
 .tab-indicator {
   display: none;
 }
}

@media (max-width: 480px) {
 .file-item {
   flex-direction: column;
   align-items: stretch;
   gap: var(--sp-2);
 }
 
 .file-item-actions {
   justify-content: center;
 }
 
 .upload-text strong {
   font-size: var(--fs-small);
 }
}

/* Dark Theme Specific Adjustments */
[data-theme="dark"] .file-upload-label {
 background: var(--g200);
 border-color: var(--brand);
}

[data-theme="dark"] .file-status {
 background: var(--g300);
}

[data-theme="dark"] .file-list {
 background: var(--g200);
}

[data-theme="dark"] .file-item {
 background: var(--g300);
}

[data-theme="dark"] .file-item:hover {
 background: var(--g200);
}

[data-theme="dark"] .progress-container {
 background: var(--g200);
}

[data-theme="dark"] .progress {
 background: var(--g300);
}

[data-theme="dark"] .result-card {
 background: var(--glass-bg-dark);
}

[data-theme="dark"] .result-content {
 background: var(--g300);
 border-color: var(--g200);
}

[data-theme="dark"] .tooltip {
 background: var(--g500);
}

/* Animation Delays for Staggered Effect */
.card:nth-child(1) { animation-delay: 0s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.2s; }
.card:nth-child(4) { animation-delay: 0.3s; }

/* Focus Styles for Accessibility */
.btn:focus-visible {
 outline: 2px solid var(--brand);
 outline-offset: 2px;
}

.input:focus-visible {
 outline: 2px solid var(--brand);
 outline-offset: 2px;
}

.tab:focus-visible {
 outline: 2px solid var(--brand);
 outline-offset: 2px;
}

/* Hover Effects */
@media (hover: hover) {
 .card:hover {
   transform: translateY(-2px);
   box-shadow: 0 8px 40px rgba(0,0,0,.1), 0 4px 16px rgba(99,102,241,.15);
 }
 
 .file-item:hover {
   transform: translateX(4px);
 }
}

/* Print Styles */
@media print {
 .sidebar,
 .theme-toggle,
 .btn,
 .loader,
 .spinner {
   display: none !important;
 }
 
 .main-layout {
   grid-template-columns: 1fr;
 }
 
 .card {
   box-shadow: none;
   border: 1px solid #ccc;
 }
}
/* 이 페이지 및 소스는 3EA Networks에 저작권이 귀속됩니다.
무단 사용시에 저작권법 및 부정경쟁방지법에 의거하여 법적 처벌 및 손해 배상 책임을 질 수 있습니다.

This page and its source are copyrighted by 3EA Networks. Unauthorized use may result in legal punishment and damages under the Copyright Act and the Unfair Competition Prevention Act. */