/* ================================================
   PTTGO Shortener Pages - Functional CSS
   功能頁專用樣式 (url/image/video shortener)
   Variables defined in pages.css
   Version: 1.0.0
   ================================================ */

/* ========================================
   Header & Main Card (Redesign)
   ======================================== */
.header {
  text-align: center;
  padding: 1.5rem 1rem;
  animation: fadeInDown 0.6s var(--timing-smooth);
}

.header .logo {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  letter-spacing: 2px;
  line-height: 1.1;
}

.header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  margin-top: 0.1rem;
  font-weight: 500;
  line-height: 1.3;
}

.main-card {
  background: #ffffff;
  backdrop-filter: blur(20px);
  border-radius: 32px;
  padding: 2rem 1.5rem 4rem;
  min-height: 500px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  animation: slideInUp 0.6s var(--timing-smooth);
  margin-bottom: 3rem;
  width: 100%;
}

#urlform,
#imageform,
#videoform {
  width: 100%;
  min-height: 400px;
}

/* ========================================
   Function Tabs
   ======================================== */
.function-tabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 0.5rem;
  background: #f8f9fa;
  border-radius: 20px;
  position: relative;
  border: 2px solid var(--color-border);
}

.function-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 0.5rem;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s var(--timing-smooth);
  position: relative;
  z-index: 1;
  text-align: center;
}

.function-tab i {
  font-size: 1.5rem;
  display: block !important;
  color: var(--color-text-light);
  transition: all 0.3s var(--timing-smooth);
  margin-bottom: 0.25rem;
}

.function-tab span {
  display: block !important;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
  font-weight: 600;
  transition: all 0.3s var(--timing-smooth);
  visibility: visible !important;
  opacity: 1 !important;
}

.function-tab.active {
  background: white;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2),
              0 0 0 2px var(--color-primary);
}

.function-tab.active i {
  color: var(--color-primary);
  transform: scale(1.15);
}

.function-tab.active span {
  color: var(--color-primary);
  font-weight: 700;
}

/* ========================================
   Mega Input
   ======================================== */
.mega-input-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.mega-input {
  width: 100%;
  border: 3px solid var(--color-border);
  border-radius: 20px;
  padding: 1.5rem 1.25rem;
  font-size: 1.1rem;
  transition: all 0.3s var(--timing-smooth);
  background: white;
  outline: none;
}

.mega-input:hover {
  border-color: #c7d0d9;
}

.mega-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2),
              0 8px 24px rgba(37, 99, 235, 0.15);
  transform: scale(1.01);
}

.mega-input::placeholder {
  color: #adb5bd;
}

.mega-input.input-error {
  border-color: #dc3545;
  background-color: #fff5f5;
}

.mega-input.input-error:focus {
  border-color: #dc3545;
  box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.2),
              0 8px 24px rgba(220, 53, 69, 0.15);
}

.input-icon {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity 0.3s;
}

.mega-input:focus + .input-icon {
  opacity: 1;
}

/* URL Validation Error */
.url-validation-error {
  color: #dc3545;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #fff5f5;
  border-left: 3px solid #dc3545;
  border-radius: 8px;
  animation: slideDown 0.3s var(--timing-smooth);
}

/* Description Input */
.description-input {
  width: 100%;
  border: 2px solid var(--color-border);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  transition: all 0.3s var(--timing-smooth);
  margin-bottom: 1.5rem;
  outline: none;
}

.description-input:hover {
  border-color: #c7d0d9;
}

.description-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* ========================================
   Quick Settings
   ======================================== */
.quick-settings {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0.5rem 0.75rem;
  margin: 0 -1rem 1.5rem -1rem;
  width: calc(100% + 2rem);
  justify-content: center;
}

.quick-settings::-webkit-scrollbar {
  height: 4px;
}

.quick-settings::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 2px;
}

.quick-btn {
  flex-shrink: 0;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: white;
  cursor: pointer;
  transition: all 0.3s var(--timing-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 90px;
  white-space: nowrap;
}

.quick-btn:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
  transform: translateY(-2px);
}

.quick-btn i {
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: all 0.3s var(--timing-smooth);
}

.quick-btn-label {
  font-size: 0.875rem;
  color: #1E293B;
  font-weight: 600;
  transition: all 0.3s var(--timing-smooth);
  display: block;
}

.quick-btn-value {
  font-size: 0.75rem;
  color: #475569;
  font-weight: 600;
  margin-top: 0.15rem;
  display: block;
  transition: all 0.3s var(--timing-smooth);
}

.quick-btn.active {
  background: var(--gradient-light);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2),
              0 4px 12px rgba(37, 99, 235, 0.25);
}

.quick-btn.active i {
  color: var(--color-primary);
  transform: scale(1.1);
}

.quick-btn.active .quick-btn-label {
  color: var(--color-primary);
  font-weight: 700;
}

.quick-btn.active .quick-btn-value {
  color: var(--color-primary);
  font-weight: 600;
}

.quick-btn:active {
  transform: scale(0.95);
}

/* ========================================
   Mega Button (Orange CTA)
   ======================================== */
.mega-button {
  width: 100%;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  background-size: 200% 100%;
  border: none;
  border-radius: 20px;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.4s var(--timing-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(249, 115, 22, 0.4),
              0 4px 16px rgba(234, 88, 12, 0.3);
  margin-bottom: 1rem;
}

.mega-button:hover {
  background: linear-gradient(135deg, #FB923C 0%, #F97316 100%);
  box-shadow: 0 12px 40px rgba(249, 115, 22, 0.5),
              0 6px 20px rgba(234, 88, 12, 0.4);
  transform: translateY(-2px);
}

.mega-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.mega-button:active {
  transform: scale(0.97);
}

.mega-button:hover::before {
  width: 400px;
  height: 400px;
}

.btn-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn-icon {
  font-size: 1.5rem;
  animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ========================================
   Advanced Settings Link & Drawer
   ======================================== */
.advanced-link {
  text-align: center;
  margin-top: 1rem;
}

.advanced-link button {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  padding: 0.5rem 1rem;
  transition: all 0.3s var(--timing-smooth);
}

.advanced-link button:hover {
  color: var(--color-accent);
  transform: scale(1.05);
}

/* Drawer Overlay */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 52, 54, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--timing-smooth);
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  border-radius: 0 0 32px 32px;
  padding: 1.5rem 1.5rem 2.5rem;
  max-height: 95vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-100%);
  transition: transform 0.4s var(--timing-smooth), visibility 0s 0.4s;
  z-index: 1001;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  visibility: hidden;
}

.drawer.show {
  transform: translateY(0);
  visibility: visible;
  transition: transform 0.4s var(--timing-smooth), visibility 0s 0s;
}

.drawer-header {
  position: relative;
  margin-bottom: 1.5rem;
}

.drawer-handle {
  width: 48px;
  height: 5px;
  background: var(--color-border);
  border-radius: 3px;
  margin: 0 auto 1rem;
}

.drawer-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0;
  text-align: center;
  background: var(--gradient-light);
  padding: 0.75rem 3rem;
  border-radius: 16px;
  border: 2px solid var(--color-border);
}

.drawer-close {
  position: absolute;
  top: 3rem;
  right: 0;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s var(--timing-smooth);
}

.drawer-close:hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  transform: rotate(90deg);
}

.setting-item {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 16px;
  border: 2px solid var(--color-border);
}

.setting-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.setting-label i {
  color: var(--color-primary);
  font-size: 1.25rem;
}

.setting-input {
  width: 100%;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  transition: all 0.3s;
  background: white;
}

.setting-input:hover {
  border-color: #c7d0d9;
}

.setting-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Password Quick Select (Drawer) */
.password-quick {
  margin-top: 0.75rem;
}

.password-quick button {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  background: var(--gradient-light);
  color: var(--color-dark);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--timing-smooth);
}

.password-quick button:hover {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

.password-quick button:active {
  background: var(--gradient-primary);
  color: white;
  transform: scale(0.97);
}

/* Badge Hint */
.badge-hint {
  display: inline-block;
  background: var(--gradient-light);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

/* ========================================
   URL Input (Legacy style from index.css)
   ======================================== */
.url-input-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.url-input {
  border: 2px solid #e9ecef;
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  width: 100%;
}

.url-input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
  outline: none;
}

.url-input.is-valid {
  border-color: var(--color-success);
}

.url-input.is-invalid {
  border-color: var(--color-danger);
}

/* ========================================
   Result Container
   ======================================== */
.result-container {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  display: none;
  border: 2px solid #EFF6FF;
  width: 100%;
  box-sizing: border-box;
}

.short-url {
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  color: var(--color-accent);
  word-break: break-all;
  margin-bottom: 1rem;
  background: white;
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.copy-btn {
  background: linear-gradient(135deg, #EFF6FF 0%, #60A5FA 100%);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-dark);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  width: 100%;
  font-size: 1.1rem;
}

.copy-btn:hover {
  background: linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

/* ========================================
   Upload Area
   ======================================== */
.upload-area {
  border: 2px dashed #e9ecef;
  border-radius: var(--radius-sm);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 1.5rem;
  background: #f8f9fa;
  width: 100%;
  box-sizing: border-box;
}

.upload-area:hover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
}

.upload-area.dragover,
.upload-area.drag-over {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
  transform: scale(1.02);
}

.upload-area.has-file {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.upload-icon {
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.upload-area:hover .upload-icon,
.upload-area.dragover .upload-icon {
  color: var(--color-primary);
}

.upload-area.has-file .upload-icon {
  color: var(--color-success);
}

.upload-text h4 {
  margin-bottom: 0.5rem;
  color: #333;
}

.upload-text p {
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

.upload-text small {
  color: #999;
}

.upload-area.has-image {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.05);
}

.upload-area.has-image .upload-icon,
.upload-area.has-image .upload-text {
  display: none;
}

/* ========================================
   Upload Progress
   ======================================== */
.upload-progress-wrapper {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.upload-progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.upload-filename {
  font-size: 0.9rem;
  color: #495057;
  font-weight: 500;
  max-width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-percent {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  min-width: 50px;
  text-align: right;
}

.upload-progress-bar {
  width: 100%;
  height: 24px;
  background: #e9ecef;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.upload-progress-fill {
  height: 100%;
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  border-radius: 12px;
  transition: width 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.upload-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.upload-speed-info {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: #6c757d;
}

.upload-speed, .upload-remaining {
  font-weight: 500;
}

/* Multi-file Upload */
.multi-upload-progress {
  margin-top: 1rem;
}

.file-upload-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: white;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.file-upload-item .file-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f2f5;
  border-radius: 6px;
  color: var(--color-primary);
}

.file-upload-item .file-info { flex: 1; }
.file-upload-item .file-name { font-size: 0.875rem; font-weight: 500; color: #495057; margin-bottom: 0.25rem; }
.file-upload-item .file-progress { height: 4px; background: #e9ecef; border-radius: 2px; overflow: hidden; }
.file-upload-item .file-progress-fill { height: 100%; background: var(--color-success); transition: width 0.3s ease; }
.file-upload-item .file-status { font-size: 0.75rem; color: #6c757d; min-width: 60px; text-align: right; }
.file-upload-item.complete .file-status { color: var(--color-success); font-weight: 600; }
.file-upload-item.error .file-status { color: var(--color-danger); }

/* ========================================
   Images Preview
   ======================================== */
.images-preview-container {
  width: 100%;
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.image-preview-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  aspect-ratio: 1;
  transition: all 0.3s ease;
}

.image-preview-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-preview-item .image-actions {
  position: absolute;
  top: 5px;
  right: 5px;
  display: flex;
  gap: 5px;
  opacity: 0;
  transition: opacity 0.3s;
}

.image-preview-item:hover .image-actions {
  opacity: 1;
}

.image-preview-item .edit-btn,
.image-preview-item .remove-btn {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.3s;
}

.image-preview-item .edit-btn:hover { background: rgba(37, 99, 235, 0.9); }
.image-preview-item .remove-btn:hover { background: rgba(220, 53, 69, 0.9); }
.image-preview-item.add-more { cursor: pointer; background: #f8f9fa; }
.images-count { text-align: center; color: #666; font-size: 0.9rem; padding-top: 0.5rem; border-top: 1px solid rgba(0, 0, 0, 0.1); }

/* ========================================
   Image Editor Modal
   ======================================== */
.image-editor-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
}

.image-editor-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.editor-container {
  background: white;
  border-radius: 8px;
  width: 95%;
  max-width: 1200px;
  height: 90vh;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.editor-header {
  padding: 1rem;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.editor-title { font-size: 1.2rem; font-weight: 600; }

.editor-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

.editor-canvas-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fa;
  position: relative;
  overflow: hidden;
}

.editor-canvas { max-width: 100%; max-height: 100%; cursor: move; }

.editor-toolbar {
  width: 280px;
  background: white;
  border-left: 1px solid #e9ecef;
  padding: 1rem;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 100%;
}

.editor-toolbar::-webkit-scrollbar { width: 6px; }
.editor-toolbar::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 3px; }
.editor-toolbar::-webkit-scrollbar-thumb { background: #888; border-radius: 3px; }
.editor-toolbar::-webkit-scrollbar-thumb:hover { background: #555; }

.editor-tool { margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid #f0f0f0; }
.editor-tool:last-child { border-bottom: none; }
.editor-tool-title { font-size: 0.75rem; font-weight: 600; margin-bottom: 0.5rem; color: #6c757d; text-transform: uppercase; letter-spacing: 0.5px; }
.editor-tool-buttons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.35rem; }
.editor-tool:nth-child(2) .editor-tool-buttons { grid-template-columns: repeat(auto-fit, minmax(55px, 1fr)); }

.editor-tool-btn {
  padding: 0.35rem 0.5rem;
  border: 1px solid #dee2e6;
  background: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-height: 32px;
}

.editor-tool-btn i { font-size: 0.85rem; }
.editor-tool-btn:hover { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.editor-tool-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.editor-tool-btn.primary { background: linear-gradient(135deg, var(--color-primary) 0%, #1D4ED8 100%); color: white; border: none; font-weight: 500; }
.editor-tool-btn.primary:hover { background: linear-gradient(135deg, #1D4ED8 0%, #003f7f 100%); transform: translateY(-1px); }

.editor-adjustments { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.25rem; }
.adjustment-item { display: flex; flex-direction: column; gap: 0.15rem; }
.adjustment-item label { font-size: 0.75rem; color: #6c757d; display: flex; justify-content: space-between; align-items: center; font-weight: 500; }
.adjustment-item input[type="range"] { width: 100%; height: 4px; border-radius: 2px; background: #e9ecef; outline: none; -webkit-appearance: none; cursor: pointer; }
.adjustment-item input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--color-primary); cursor: pointer; }
.adjustment-item input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--color-primary); cursor: pointer; border: none; }

.draw-tools { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.25rem; }
.draw-tools .editor-tool-buttons { grid-template-columns: repeat(2, 1fr); }
.draw-color-picker { display: flex; align-items: center; gap: 0.5rem; padding: 0.35rem; background: #f8f9fa; border-radius: 4px; margin-bottom: 0.5rem; }
.draw-color-picker label { font-size: 0.75rem; color: #6c757d; font-weight: 500; }
.draw-color-picker input[type="color"] { width: 45px; height: 28px; border: 1px solid #dee2e6; border-radius: 4px; cursor: pointer; padding: 2px; }
.draw-color-picker input[type="color"]:hover { border-color: var(--color-primary); }

.crop-ratios { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.35rem; margin: 0.5rem 0; }
.crop-ratios .editor-tool-btn { font-size: 0.75rem; padding: 0.35rem 0.5rem; min-height: 28px; }

.filter-btn { min-width: 70px; font-size: 0.85rem; }
.filter-btn.active { background: linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%); color: white; border-color: transparent; }
.mosaic-size-label { font-size: 0.85rem; color: #6c757d; }
.mosaic-size-control { margin-top: 0.5rem; }
.mosaic-size-slider { width: 100%; margin-top: 0.25rem; }

.editor-footer {
  padding: 1rem;
  border-top: 1px solid #e9ecef;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Image Preview */
.image-preview img { width: 100%; height: auto; max-height: 300px; object-fit: contain; display: block; background: #f8f9fa; }
.image-preview-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.7); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.image-preview:hover .image-preview-overlay { opacity: 1; }
.image-preview-actions { display: flex; gap: 0.5rem; }
.image-preview-actions .btn { border-radius: 20px; padding: 0.4rem 0.8rem; font-size: 0.85rem; font-weight: 500; transition: all 0.3s ease; }
.image-preview-actions .btn:hover { transform: scale(1.05); }
.image-info { padding: 1rem; background: white; border: 1px solid #e9ecef; border-top: none; border-bottom-left-radius: var(--radius-sm); border-bottom-right-radius: var(--radius-sm); }
.image-details { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.image-name { font-weight: 600; color: #333; font-size: 0.9rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.image-size { color: var(--color-secondary); font-size: 0.85rem; font-weight: 500; }

/* File Info */
.file-info { margin-top: 1rem; padding: 1rem; background: white; border-radius: var(--radius-sm); border: 1px solid #e9ecef; display: none; }
.file-info.show { display: block; }
.file-details { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.file-name { font-weight: 600; color: #333; }
.file-size { color: var(--color-secondary); font-size: 0.9rem; }
.progress-bar { width: 100%; height: 4px; background: #e9ecef; border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--color-success); width: 0%; transition: width 0.3s ease; }

/* ========================================
   Advanced Settings (Legacy from index.css)
   ======================================== */
.settings-hint {
  text-align: center;
  margin: 1rem 0 0.5rem 0;
  padding: 0.5rem;
  background: linear-gradient(90deg, transparent, #f8f9fa, transparent);
  border-radius: 6px;
}

.settings-hint small { color: #6c757d; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 0.3rem; }
.settings-hint i { color: #2563EB; font-size: 0.9rem; animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.advanced-settings {
  margin: 0.5rem 0 1rem 0;
  position: relative;
}

.settings-toggle {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  color: #495057;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.settings-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left 0.5s ease;
}

.settings-toggle:hover::before { left: 100%; }
.settings-toggle:hover { background: white; border-color: #2563EB; color: #2563EB; }
.settings-toggle.active { background: #2563EB; border-color: #2563EB; color: white; }
.settings-toggle i { font-size: 1.1rem; transition: transform 0.5s ease; }
.settings-toggle:hover i { transform: rotate(180deg); }

.settings-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: linear-gradient(to bottom, #ffffff, #f8f9fa);
  border: 1px solid #e1e5f0;
  border-radius: 12px;
  animation: slideDown 0.4s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  position: relative;
}

.settings-panel .form-control::placeholder { color: #999; font-style: italic; }

.setting-group {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: white;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  transition: all 0.3s ease;
}

.setting-group:hover { border-color: #2563EB; box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1); }
.setting-group:last-child { margin-bottom: 0; }
.setting-group label { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.5rem; font-weight: 600; color: #2d3748; font-size: 0.9rem; }
.setting-group label i { font-size: 0.9rem; flex-shrink: 0; }
.setting-group .form-control,
.setting-group select { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid #ced4da; border-radius: 6px; font-size: 0.9rem; transition: all 0.3s ease; background: white; }
.setting-group .form-control:focus,
.setting-group select:focus { border-color: #2563EB; outline: none; box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15); background: white; }
.setting-group small.text-muted { display: block; margin-top: 0.4rem; padding: 0.4rem 0.6rem; background: #f8f9fa; border-radius: 4px; font-size: 0.8rem; color: #6c757d; }
.setting-group small.text-muted i { color: #2563EB; font-size: 0.8rem; }

/* Password Quick Select (Legacy) */
.password-quick-select {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: #f8f9fa;
  border-radius: 6px;
  border: 1px solid #e9ecef;
}

.password-quick-select small.text-muted { font-weight: 500; color: #495057; padding: 0; background: none; margin: 0; font-size: 0.8rem; }
.password-quick-select .btn { font-size: 0.75rem; padding: 0.25rem 0.5rem; border-radius: 15px; transition: all 0.3s ease; line-height: 1.2; font-weight: 500; border: 1px solid; position: relative; overflow: hidden; }
.password-quick-select .btn::before { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.3); transform: translate(-50%, -50%); transition: width 0.3s, height 0.3s; }
.password-quick-select .btn:hover::before { width: 100px; height: 100px; }
.password-quick-select .btn:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15); }
.password-quick-select .btn-outline-secondary { border-color: #dee2e6; color: #6c757d; }
.password-quick-select .btn-outline-secondary:hover { background-color: var(--color-primary); border-color: var(--color-primary); color: white; }
.password-quick-select .btn-outline-primary:hover { background-color: #1D4ED8; border-color: #1D4ED8; color: white; }
.password-quick-select .btn-outline-success:hover { background-color: #198754; border-color: #198754; color: white; }

.password-input-highlight { background-color: #e7f3ff !important; border-color: var(--color-primary) !important; transition: all 0.3s ease !important; }
.settings-info { background: rgba(37, 99, 235, 0.1); border: 1px solid rgba(37, 99, 235, 0.2); border-radius: 4px; padding: 0.75rem; margin-bottom: 1rem; font-size: 0.85rem; color: var(--color-primary); }
.settings-warning { background: rgba(220, 53, 69, 0.1); border: 1px solid rgba(220, 53, 69, 0.2); border-radius: 4px; padding: 0.75rem; margin-bottom: 1rem; font-size: 0.85rem; color: var(--color-danger); }

/* Member-only option */
.member-only { background-color: rgba(255, 193, 7, 0.1) !important; color: #856404 !important; font-style: italic; }
.member-only:disabled { background-color: rgba(108, 117, 125, 0.1) !important; color: #6c757d !important; cursor: not-allowed; }
.guest-limit-hint { font-size: 0.8rem; line-height: 1.3; }
.guest-limit-hint a { color: var(--color-primary); text-decoration: none; font-weight: 500; }
.guest-limit-hint a:hover { text-decoration: underline; }
.checkbox-label { display: flex !important; align-items: center; gap: 0.5rem; font-weight: normal !important; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: auto; margin: 0; }

.member-notification { border-radius: 8px; border: 1px solid #ffc107; background: linear-gradient(45deg, #fff3cd, #fef9e7); }
.member-notification .fas.fa-crown { font-size: 1.2rem; }

/* ========================================
   Shortener Navigation
   ======================================== */
.page-header { padding: 2rem 0 1rem; }
.page-title { font-size: 2rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.5rem; }
.page-subtitle { font-size: 1.1rem; color: var(--color-text-light); margin: 0; }

.shortener-nav { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.shortener-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-bg-light);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}
.shortener-nav-item:hover { border-color: var(--color-primary-light); color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.shortener-nav-item.active { background: var(--gradient-primary); border-color: var(--color-primary); color: #fff; box-shadow: var(--shadow-primary); }
.shortener-nav-item i { font-size: 1.1rem; }

/* Feature Info */
.feature-info { max-width: 900px; margin: 3rem auto; padding: 0 1rem; }
.feature-info h2 { color: var(--color-primary); font-weight: 700; }
.feature-card { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 2rem; text-align: center; height: 100%; transition: all 0.3s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.feature-card i { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.2rem; font-weight: 600; color: var(--color-dark); margin-bottom: 0.5rem; }
.feature-card p { color: var(--color-text-light); margin: 0; font-size: 0.95rem; }

/* ========================================
   Loading
   ======================================== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s ease-in-out infinite;
}

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

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* ========================================
   Responsive - Tablet
   ======================================== */
@media (min-width: 768px) {
  .main-card {
    max-width: 600px;
    width: 600px;
    margin: 0 auto 3rem;
    border-radius: 32px;
    min-height: 500px;
  }

  .header {
    padding: 2rem 1rem;
  }

  .header .logo {
    font-size: 2.5rem;
  }

  .mega-input {
    font-size: 1.2rem;
    padding: 1.75rem 1.5rem;
  }

  .mega-button {
    font-size: 1.35rem;
    padding: 1.75rem;
  }

  .drawer {
    max-width: 600px;
    left: 50%;
    top: 20px;
    right: auto;
    transform: translate(-50%, -100%);
    border-radius: 32px;
    max-height: 90vh;
    padding: 2rem 2rem 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(37, 99, 235, 0.1);
  }

  .drawer.show {
    transform: translate(-50%, 0);
  }

  .drawer-close {
    top: 3.5rem;
    right: 0.5rem;
  }

  .drawer-overlay {
    background: rgba(45, 52, 54, 0.7);
  }

  .function-tab {
    padding: 1rem 0.75rem;
  }

  .function-tab i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }

  .function-tab span {
    display: block !important;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    visibility: visible !important;
    opacity: 1 !important;
  }
}

/* ========================================
   Responsive - Desktop
   ======================================== */
@media (min-width: 1200px) {
  .main-card {
    max-width: 700px;
    width: 700px;
  }

  .drawer {
    max-width: 700px;
  }
}

/* ========================================
   Responsive - Mobile
   ======================================== */
@media (max-width: 768px) {
  .result-container {
    margin-top: 1rem;
    padding: 1rem 0.75rem;
    border-radius: 12px;
    animation: slideInUp 0.3s ease;
  }

  .short-url {
    font-size: 0.9rem;
    padding: 1rem 0.75rem;
    border-radius: 8px;
    line-height: 1.4;
    text-align: center;
    background: #f8f9fa;
  }

  .copy-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-height: 52px;
    border-radius: 10px;
    margin-bottom: 0.5rem;
  }

  .function-tabs {
    flex-wrap: nowrap;
    gap: 0.25rem;
    justify-content: center;
    margin-bottom: 1.25rem;
  }

  .function-tab {
    padding: 0.75rem 0.5rem;
    font-size: 0.85rem;
    flex: 1;
    min-width: 70px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s ease;
  }

  .function-tab i {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
  }

  .url-input {
    font-size: 16px;
    padding: 1rem 0.75rem;
    border-radius: 10px;
    line-height: 1.2;
    min-height: 48px;
    border: 2px solid #e9ecef;
  }

  .url-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.15rem rgba(37, 99, 235, 0.15);
    transform: none;
  }

  .shorten-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-height: 52px;
    border-radius: 10px;
    font-weight: 600;
    margin-top: 0.75rem;
  }

  .url-input-group {
    margin-bottom: 0.75rem;
  }

  .url-input-group small {
    font-size: 0.8rem;
    line-height: 1.3;
    margin-top: 0.4rem;
  }

  .upload-area {
    padding: 2rem 0.75rem 1.5rem;
    margin-bottom: 0.75rem;
    border-radius: 12px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .upload-icon {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
  }

  .upload-text h4 { font-size: 1rem; margin-bottom: 0.3rem; }
  .upload-text p { font-size: 0.85rem; margin-bottom: 0.3rem; text-align: center; }
  .upload-text small { font-size: 0.75rem; text-align: center; line-height: 1.3; }

  .settings-toggle { padding: 0.5rem 0.75rem; font-size: 0.85rem; gap: 0.4rem; }
  .settings-panel { padding: 0.75rem; margin-top: 0.75rem; }
  .settings-hint small { font-size: 0.8rem; }

  .setting-group { padding: 0.5rem; margin-bottom: 0.75rem; }
  .setting-group label { font-size: 0.85rem; gap: 0.3rem; }
  .setting-group label i { font-size: 0.85rem; }
  .setting-group .form-control,
  .setting-group select { padding: 0.4rem 0.6rem; font-size: 0.85rem; }
  .setting-group small.text-muted { font-size: 0.75rem; padding: 0.3rem 0.5rem; }

  .password-quick-select { padding: 0.4rem; gap: 0.25rem; }
  .password-quick-select small.text-muted { font-size: 0.75rem; }
  .password-quick-select .btn { font-size: 0.7rem; padding: 0.2rem 0.4rem; }

  .guest-limit-hint { font-size: 0.75rem; text-align: center; padding: 0.4rem 0.6rem; background: rgba(255, 193, 7, 0.1); border-radius: 6px; margin-top: 0.4rem; }

  .page-title { font-size: 1.5rem; }
  .page-subtitle { font-size: 1rem; }
  .shortener-nav { gap: 0.5rem; }
  .shortener-nav-item { padding: 0.6rem 1rem; font-size: 0.9rem; }
  .feature-card { padding: 1.5rem; }
  .feature-card i { font-size: 2rem; }

  /* Editor mobile */
  .editor-container { width: 100%; height: 100vh; max-height: 100vh; border-radius: 0; }
  .editor-body { flex-direction: column; }
  .editor-toolbar { width: 100%; height: 35vh; max-height: 35vh; border-left: none; border-top: 2px solid #e9ecef; padding: 0.75rem; order: 2; }
  .editor-canvas-container { order: 1; flex: 1; min-height: 0; }
  .editor-tool { margin-bottom: 0.75rem; padding-bottom: 0.5rem; }
  .editor-tool-title { font-size: 0.7rem; margin-bottom: 0.35rem; }
  .editor-tool-btn { font-size: 0.65rem; padding: 0.25rem 0.35rem; min-height: 26px; }
  .editor-tool-btn i { font-size: 0.75rem; }
  .editor-tool-buttons { grid-template-columns: repeat(3, 1fr); gap: 0.25rem; }
  .adjustment-item label { font-size: 0.7rem; }
  .draw-tools .editor-tool-buttons { grid-template-columns: repeat(2, 1fr); }
  .crop-ratios { grid-template-columns: repeat(2, 1fr); gap: 0.25rem; }

  .image-details { flex-direction: column; align-items: flex-start; }
  .image-preview-actions { flex-direction: row; justify-content: space-around; width: 100%; gap: 1rem; }
  .image-preview-actions .btn { justify-content: center; flex: 1; min-width: 80px; }
  .file-info { margin-top: 0.75rem; padding: 0.75rem; border-radius: 8px; }
  .file-details { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .file-name { font-size: 0.85rem; word-break: break-all; }
  .file-size { font-size: 0.8rem; }
  .image-preview img { max-height: 250px; }
  .image-info { padding: 0.75rem; border-radius: 0 0 8px 8px; }
}

@media (max-width: 576px) {
  .settings-toggle { padding: 0.5rem 0.75rem; font-size: 0.85rem; gap: 0.4rem; }
  .settings-panel { padding: 0.75rem; margin-top: 0.75rem; }
  .setting-group { padding: 0.5rem; margin-bottom: 0.75rem; }
  .setting-group label { font-size: 0.85rem; gap: 0.3rem; }
  .setting-group label i { font-size: 0.85rem; }
  .setting-group .form-control,
  .setting-group select { padding: 0.4rem 0.6rem; font-size: 0.85rem; }
  .setting-group small.text-muted { font-size: 0.75rem; padding: 0.3rem 0.5rem; }
  .password-quick-select { padding: 0.4rem; gap: 0.25rem; }
  .password-quick-select small.text-muted { font-size: 0.75rem; }
  .password-quick-select .btn { font-size: 0.7rem; padding: 0.2rem 0.4rem; }
  .settings-hint small { font-size: 0.8rem; }
}