:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --input-bg: #0f172a;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 10px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
    padding: 20px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sections */
.input-section,
.output-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.input-section h2,
.output-section h2 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #181818;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.3s;
}

.dark-mode .input-section h2,
.dark-mode .output-section h2 {
  color: #e5e7eb;
}

/* Input Type Selector */
.input-type-selector,
.output-type-selector .output-options {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.input-type-selector label,
.output-type-selector label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 10px 20px;
    background: #f3f4f6;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    color: #181818;
    font-weight: 500;
    transition: all 0.3s;
}

.input-type-selector input,
.output-type-selector input {
    accent-color: #6366f1;
    background-color: #fff;
    border-radius: 50%;
    width: 1.1em;
    height: 1.1em;
    border: 2px solid #6366f1;
    margin-right: 0.5em;
    transition: background 0.2s, border-color 0.2s;
}

.input-type-selector label:hover,
.output-type-selector label:hover {
    border-color: #6366f1;
    background: #e0e7ff;
    color: #181818;
}

.input-type-selector input:checked + span,
.output-type-selector input:checked + span {
    color: #6366f1;
    font-weight: 700;
}

.input-type-selector input:focus,
.output-type-selector input:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* DARK MODE RADIO & LABELS */
.dark-mode .input-type-selector label,
.dark-mode .output-type-selector label {
  background: #181c1f !important;
  border: 2px solid #2d3237;
  color: #e5e7eb;
}
.dark-mode .input-type-selector label:hover,
.dark-mode .output-type-selector label:hover {
  background: #333a41;
  border-color: #6366f1;
  color: #e5e7eb;
}
.dark-mode .input-type-selector input,
.dark-mode .output-type-selector input {
  accent-color: #e5e7eb;
  background-color: #23272b;
  border: 2px solid #e5e7eb;
}
.dark-mode .input-type-selector input:focus,
.dark-mode .output-type-selector input:focus {
  outline: 2px solid #e5e7eb;
}
.dark-mode .input-type-selector input:checked + span,
.dark-mode .output-type-selector input:checked + span {
  color: #a5b4fc;
}

/* Text Areas */
textarea {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    background: var(--input-bg);
    border: 2px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    resize: vertical;
    transition: border-color 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea::placeholder {
    color: var(--text-secondary);
}

/* File Drop Zone */
.file-drop-zone {
    position: relative;
    border: 2px dashed var(--card-border);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--input-bg);
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.file-drop-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-content .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.drop-content p {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 5px;
}

.drop-content small {
    color: var(--text-secondary);
}

/* File Preview */
.file-preview {
    margin-top: 15px;
    padding: 15px;
    background: var(--input-bg);
    border-radius: 8px;
    border: 1px solid var(--card-border);
}

.file-preview .preview-image {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-preview .file-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.file-preview .file-name {
    font-weight: 600;
    color: var(--text-primary);
}

.file-preview .file-size {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-preview .remove-file {
    padding: 5px 15px;
    background: var(--error-color);
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Action Buttons */
.action-btn {
    width: 100%;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

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

/* Remove shadow and reduce top margin for Remove Duplicates button */
#process-btn.action-btn {
  margin-top: 8px !important;
  box-shadow: none !important;
  transition: background 0.3s, color 0.3s;
}
#process-btn.action-btn:hover {
  box-shadow: none !important;
  transform: none !important;
}

/* Output Actions */
.output-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.copy-btn,
.download-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 2px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    border-color: var(--primary-color) !important;
    background: #e0e7ff !important;
    color: var(--primary-color) !important;
}

.download-btn:hover {
    border-color: var(--secondary-color) !important;
    background: #e0f7ef !important;
    color: var(--secondary-color) !important;
}

.dark-mode .copy-btn:hover {
    border-color: var(--primary-color) !important;
    background: #333a41 !important;
    color: var(--text-primary);
}
.dark-mode .download-btn:hover {
    border-color: var(--secondary-color) !important;
    background: #333a41 !important;
    color: var(--text-primary);
}

.dark-mode .copy-btn,
.dark-mode .download-btn {
  background: #181c1f !important;
  color: #e5e7eb !important;
  border-color: #2d3237 !important;
}
.dark-mode .copy-btn:hover {
  border-color: var(--primary-color);
  background: #23272b !important
}
.dark-mode .download-btn:hover {
  border-color: var(--secondary-color);
  background: #333a41 !important;
}

/* Decode Output Sections */
.decode-output {
    display: none;
}

.decode-output.active {
    display: block;
}

/* Image Preview */
.image-preview {
    background: var(--input-bg);
    border: 2px solid var(--card-border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

/* File Info */
.file-info {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--input-bg);
    border: 2px solid var(--card-border);
    border-radius: 8px;
}

.file-info .icon {
    font-size: 3rem;
}

.file-info .details .filename {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.file-info .details .filesize,
.file-info .details .filetype {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Status Messages */
.status {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 30px;
    border-radius: 10px;
    font-weight: 500;
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

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

.status.error {
    background: var(--error-color);
    color: white;
}

.status.warning {
    background: var(--warning-color);
    color: white;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Footer */
footer {
  color: #181818 !important;
  background: transparent;
  text-align: center;
  padding: 30px 0 10px 0;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3em;
}
footer a {
  color: #6366f1 !important;
  text-decoration: underline;
  font-weight: 600;
  transition: color 0.2s;
}
footer .copyright {
  color: #222 !important;
  font-size: 0.98em;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-top: 0.5em;
  margin-bottom: 0;
  display: block;
}
.dark-mode footer {
  color: #e5e7eb !important;
  background: transparent;
}
.dark-mode footer a {
  color: #a5b4fc !important;
}
.dark-mode footer .copyright {
  color: #e5e7eb !important;
}

/* DARK MODE SUPPORT */
.dark-mode {
    background: #0a0a0a;
    color: #fff;
}
.dark-mode .container,
.dark-mode .input-section,
.dark-mode .output-section,
.dark-mode .file-drop-zone,
.dark-mode .file-preview,
.dark-mode .image-preview,
.dark-mode .file-info {
    background: #181818 !important;
    color: #fff !important;
    border-color: #333 !important;
}
.dark-mode header h1,
.dark-mode header p,
.dark-mode .tab-btn,
.dark-mode .tab-btn.active,
.dark-mode .output-actions button,
.dark-mode .action-btn,
.dark-mode .copy-btn,
.dark-mode .download-btn,
.dark-mode .file-info .filename,
.dark-mode .file-info .filesize,
.dark-mode .file-info .filetype,
.dark-mode .status,
.dark-mode footer,
.dark-mode footer a {
    color: #fff !important;
}
.dark-mode .tab-btn.active {
    background: #333 !important;
    border-color: #6366f1 !important;
}
.dark-mode .tab-btn {
    background: #222 !important;
    border-color: #333 !important;
}
.dark-mode .action-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
}
.dark-mode .file-drop-zone {
    background: #222 !important;
    border-color: #333 !important;
}
.dark-mode .file-drop-zone .drop-content p,
.dark-mode .file-drop-zone .drop-content small {
    color: #e5e7eb !important;
}
.dark-mode .file-drop-zone .icon {
    color: #a5b4fc !important;
}
.dark-mode .file-drop-zone.dragover {
    background: rgba(99, 102, 241, 0.2) !important;
}
.dark-mode textarea,
.dark-mode input[type="text"],
.dark-mode input[type="file"] {
    background: #222 !important;
    color: #fff !important;
    border-color: #333 !important;
}
.dark-mode .status.success {
    background: #22c55e !important;
}
.dark-mode .status.error {
    background: #ef4444 !important;
}
.dark-mode .status.warning {
    background: #f59e0b !important;
}
.dark-mode .theme-toggle label {
    color: #fff !important;
}

.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}
.topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.2rem;
  margin-top: 1.2rem;
  padding: 0 20px;
}
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.2em 0.2em;
  border-radius: 50%;
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.theme-toggle-btn:focus {
  outline: none;
}
.theme-toggle-btn:focus-visible #theme-icon svg {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
  border-radius: 50%;
}
/* Warna icon toggle: hitam di light mode, putih di dark mode */
#theme-icon svg, .github-link svg {
  width: 28px !important;
  height: 28px !important;
  display: block;
  color: #181818;
  fill: #181818;
  transition: color 0.2s, fill 0.2s;
}
.dark-mode #theme-icon svg, .dark-mode .github-link svg {
  color: #fff !important;
  fill: #fff !important;
}

/* Light mode (default) override */
body {
  background: #fff;
  color: #181818;
  transition: background 0.3s, color 0.3s;
}
.container,
.input-section,
.output-section,
.file-drop-zone,
.file-preview,
.image-preview,
.file-info {
  background: #fff !important;
  color: #181818 !important;
  border-color: #e5e7eb !important;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
header h1,
header p,
.tab-btn,
.tab-btn.active,
.output-actions button,
.action-btn,
.copy-btn,
.download-btn,
.file-info .filename,
.file-info .filesize,
.file-info .filetype,
.status,
footer,
footer a {
  color: #181818 !important;
  transition: color 0.3s;
}
.tab-btn.active {
  background: #e0e7ff !important;
  border-color: #6366f1 !important;
  color: #181818 !important;
}
.tab-btn {
  background: #f3f4f6 !important;
  border-color: #e5e7eb !important;
  color: #6366f1 !important;
}
.action-btn {
  background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
  color: #fff !important;
}
.file-drop-zone {
  background: #f3f4f6 !important;
  border-color: #e5e7eb !important;
  color: #181818 !important;
}
.file-drop-zone .icon {
  color: #6366f1 !important;
}
.file-drop-zone .drop-content p,
.file-drop-zone .drop-content small {
  color: #181818 !important;
}
textarea,
input[type="text"],
input[type="file"] {
  background: #fff !important;
  color: #181818 !important;
  border-color: #e5e7eb !important;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.copy-btn,
.download-btn {
  background: #f3f4f6 !important;
  color: #181818 !important;
  border-color: #e5e7eb !important;
}
footer {
  color: #181818 !important;
}
footer a {
  color: #6366f1 !important;
}
footer .copyright {
  color: #222 !important;
  font-size: 0.98em;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-top: 0.5em;
  margin-bottom: 0;
  display: block;
}
.status.success {
  background: #22c55e !important;
  color: #fff !important;
}
.status.error {
  background: #ef4444 !important;
  color: #fff !important;
}
.status.warning {
  background: #f59e0b !important;
  color: #fff !important;
}
/* Dark mode override (referensi dari herusdianto.github.io) */
.dark-mode body,
.dark-mode {
  background: #181c1f !important;
  color: #e5e7eb !important;
}
.dark-mode .container,
.dark-mode .input-section,
.dark-mode .output-section,
.dark-mode .file-drop-zone,
.dark-mode .file-preview,
.dark-mode .image-preview,
.dark-mode .file-info {
  background: #23272b !important;
  color: #e5e7eb !important;
  border-color: #2d3237 !important;
}
.dark-mode header h1,
.dark-mode header p,
.dark-mode .tab-btn,
.dark-mode .tab-btn.active,
.dark-mode .output-actions button,
.dark-mode .action-btn,
.dark-mode .copy-btn,
.dark-mode .download-btn,
.dark-mode .file-info .filename,
.dark-mode .file-info .filesize,
.dark-mode .file-info .filetype,
.dark-mode .status,
.dark-mode footer,
.dark-mode footer a {
  color: #e5e7eb !important;
}
.dark-mode .tab-btn.active {
  background: #23272b !important;
  border-color: #6366f1 !important;
}
.dark-mode .tab-btn {
  background: #23272b !important;
  border-color: #2d3237 !important;
}
.dark-mode .action-btn {
  background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
}
.dark-mode .file-drop-zone {
  background: #23272b !important;
  border-color: #2d3237 !important;
}
.dark-mode .file-drop-zone .drop-content p,
.dark-mode .file-drop-zone .drop-content small {
  color: #e5e7eb !important;
}
.dark-mode .file-drop-zone .icon {
  color: #a5b4fc !important;
}
.dark-mode .file-drop-zone.dragover {
  background: rgba(99, 102, 241, 0.15) !important;
}
.dark-mode textarea,
.dark-mode input[type="text"],
.dark-mode input[type="file"] {
  background: #181c1f !important;
  color: #e5e7eb !important;
  border-color: #2d3237 !important;
}
.dark-mode .status.success {
  background: #22c55e !important;
}
.dark-mode .status.error {
  background: #ef4444 !important;
}
.dark-mode .status.warning {
  background: #f59e0b !important;
}
.dark-mode .theme-toggle label {
  color: #e5e7eb !important;
}
.dark-mode .github-link svg {
  color: #fff !important;
  fill: #fff !important;
}
.github-link svg {
  width: 28px !important;
  height: 28px !important;
  display: block;
  color: #181818;
  fill: #181818;
  transition: color 0.2s, fill 0.2s;
}
.dark-mode .sun-icon, .dark-mode .moon-icon {
  fill: #fff;
}

/* ==================== Uniqify Specific Styles ==================== */

/* Client-side note */
.client-side-note {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 10px;
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 8px;
  display: inline-block;
}

.dark-mode .client-side-note {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

/* Options Section */
.options-section {
  margin: 20px 0;
  padding: 15px;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
}

.dark-mode .options-section {
  background: #181c1f !important;
  border-color: #334155 !important;
}

.options-section h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: #181818;
  font-weight: 600;
}

.dark-mode .options-section h3 {
  color: #e5e7eb !important;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 20px;
  background: #f3f4f6;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #181818;
  font-weight: 500;
  transition: all 0.3s;
}

.option-item:hover {
  border-color: #6366f1;
  background: #e0e7ff;
  color: #181818;
}

.option-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #6366f1;
  cursor: pointer;
}

.option-item span {
  color: #181818;
  font-weight: 500;
}

.dark-mode .option-item {
  background: #23272b !important;
  border-color: #2d3237 !important;
  color: #e5e7eb !important;
}

.dark-mode .option-item:hover {
  background: #333a41 !important;
  border-color: #6366f1 !important;
  color: #e5e7eb !important;
}

.dark-mode .option-item input[type="checkbox"] {
  accent-color: #e5e7eb;
  background-color: #23272b;
  border: 2px solid #e5e7eb;
}

.dark-mode .option-item span {
  color: #e5e7eb !important;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  padding: 15px;
  background: #f3f4f6;
  border-radius: 10px;
  margin-bottom: 15px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.dark-mode .stats-bar {
  background: #181c1f !important;
  border-color: rgba(99, 102, 241, 0.3) !important;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1.5px solid #e5e7eb;
}

.dark-mode .stat-item {
  background: #23272b !important;
  border: 1.5px solid #2d3237 !important;
}

.stat-label {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 500;
}

.dark-mode .stat-label {
  color: #94a3b8 !important;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #6366f1;
}

.dark-mode .stat-value {
  color: #a5b4fc !important;
}

/* Main Content Layout */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 768px) {
  .main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .options-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    flex-direction: column;
    gap: 10px;
  }

  .stat-item {
    justify-content: space-between;
  }
}

/* Perkecil semua teks di form input-section dan output-section */
.input-section, .output-section {
  font-size: 0.95rem;
}
.input-section label, .output-section label,
.input-section input, .output-section input,
.input-section textarea, .output-section textarea,
.input-section .option-item span, .output-section .option-item span,
.input-section .option-item, .output-section .option-item,
.input-section .options-section h3, .output-section .options-section h3,
.input-section .stats-bar, .output-section .stats-bar,
.input-section .stat-label, .output-section .stat-label,
.input-section .stat-value, .output-section .stat-value,
.input-section .copy-btn, .output-section .copy-btn,
.input-section .download-btn, .output-section .download-btn,
.input-section .action-btn, .output-section .action-btn {
  font-size: 0.92em !important;
}
.input-section .option-item, .output-section .option-item {
  padding: 8px 14px;
}
.input-section textarea, .output-section textarea {
  font-size: 0.95em !important;
  padding: 10px 12px;
}
.input-section .copy-btn, .output-section .copy-btn,
.input-section .download-btn, .output-section .download-btn,
.input-section .action-btn, .output-section .action-btn {
  padding: 8px 16px;
}
.input-section .options-section h3, .output-section .options-section h3 {
  font-size: 0.98em !important;
}
.input-section .stat-label, .output-section .stat-label {
  font-size: 0.85em !important;
}
.input-section .stat-value, .output-section .stat-value {
  font-size: 1em !important;
}

/* ==================== QR Code Specific Styles ==================== */

/* QR Display Area */
.qr-display {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 2px dashed #e5e7eb;
  border-radius: 12px;
  padding: 20px;
}

.dark-mode .qr-display {
  background: #181c1f !important;
  border-color: #334155 !important;
}

.qr-display canvas {
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.dark-mode .qr-display canvas {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.placeholder-text {
  color: #94a3b8;
  font-size: 1rem;
  text-align: center;
}

.dark-mode .placeholder-text {
  color: #64748b;
}

/* Options Grid for QR Code */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}

.option-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.option-item label {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 500;
}

.dark-mode .option-item label {
  color: #94a3b8 !important;
}

.option-item select,
.option-item input[type="color"] {
  padding: 8px 12px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  background: #fff;
  color: #181818;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
}

.option-item select:focus,
.option-item input[type="color"]:focus {
  outline: none;
  border-color: #6366f1;
}

.option-item input[type="color"] {
  height: 40px;
  padding: 4px;
}

.dark-mode .option-item select,
.dark-mode .option-item input[type="color"] {
  background: #23272b !important;
  border-color: #2d3237 !important;
  color: #e5e7eb !important;
}

/* Camera Container */
.camera-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}

.camera-container video {
  width: 100%;
  height: auto;
  display: block;
}

.camera-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.scan-region {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border: 3px solid #6366f1;
  border-radius: 16px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    border-color: #6366f1;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5), 0 0 20px rgba(99, 102, 241, 0.5);
  }
  50% {
    border-color: #a5b4fc;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5), 0 0 30px rgba(99, 102, 241, 0.8);
  }
}

.camera-controls {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  justify-content: center;
}

/* Input Area */
.input-area {
  margin-top: 15px;
}

/* File Preview for QR Reader */
#file-preview {
  text-align: center;
}

#file-preview img {
  max-width: 100%;
  max-height: 250px;
  border-radius: 8px;
  margin-top: 15px;
}

/* Open Link Button */
.open-link-btn {
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 2px solid #10b981;
  background: #10b981;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.open-link-btn:hover {
  background: #059669;
  border-color: #059669;
}

/* Grid for output actions (download/copy buttons) */
.output-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 10px;
  align-items: stretch;
}

.output-actions-grid button {
  width: 100%;
  min-width: 0;
  justify-self: stretch;
}

@media (max-width: 600px) {
  .output-actions-grid {
    grid-template-columns: 1fr;
  }
}