.kube-files-suite {
  --kfs-primary: #4f46e5;
  --kfs-primary-hover: #4338ca;
  --kfs-bg: #ffffff;
  --kfs-surface: #f8fafc;
  --kfs-text: #0f172a;
  --kfs-muted: #64748b;
  --kfs-border: #e2e8f0;
  --kfs-radius: 16px;
  --kfs-radius-sm: 8px;
  --kfs-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 10px 15px -3px rgba(0, 0, 0, 0.05);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--kfs-text);
  width: 100%;
  max-width: 1360px;
  margin: 28px auto 0;

}

body.theme-dark .kube-files-suite,
[data-theme="dark"] .kube-files-suite {
  --kfs-bg: #0f172a;
  --kfs-surface: #111827;
  --kfs-text: #e2e8f0;
  --kfs-muted: #94a3b8;
  --kfs-border: #1f2937;
  --kfs-primary: #a78bfa;
  --kfs-primary-hover: #8b5cf6;
}

.kfs-app {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  --kfs-sidebar-offset: 134px;
}

.kfs-sidebar {
  transform: translateY(var(--kfs-sidebar-offset));
  width: 260px;
  background: var(--kfs-bg);
  border: 1px solid var(--kfs-border);
  border-radius: var(--kfs-radius);
  padding: 14px;
  box-shadow: var(--kfs-shadow);
  display: flex;
  flex-direction: column;
}

.kfs-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.kfs-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.12);
  color: var(--kfs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.kfs-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kfs-nav-item {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--kfs-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: var(--kfs-radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.kfs-nav-item:hover {
  background: var(--kfs-surface);
  color: var(--kfs-text);
}

.kfs-nav-item.active {
  background: rgba(79, 70, 229, 0.12);
  border-color: rgba(79, 70, 229, 0.2);
  color: var(--kfs-primary);
}

.kfs-sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--kfs-border);
}

.kfs-storage-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--kfs-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.kfs-storage-bar {
  width: 100%;
  height: 6px;
  background: var(--kfs-border);
  border-radius: 999px;
  overflow: hidden;
}

.kfs-storage-fill {
  display: block;
  height: 100%;
  background: var(--kfs-primary);
  border-radius: 999px;
}

.kfs-content {
  flex: 1;
  min-width: 0;
  padding: 8px 0 32px;
}

.kfs-header {
  margin-bottom: 24px;
}

.kfs-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.kfs-header p {
  color: var(--kfs-muted);
  margin: 0;
}

.kfs-tool {
  display: none;
  animation: kfsFade 0.3s ease;
}

.kfs-tool.active {
  display: block;
}

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

.kfs-card {
  background: var(--kfs-bg);
  border-radius: var(--kfs-radius);
  padding: 28px;
  border: 1px solid var(--kfs-border);
  box-shadow: var(--kfs-shadow);
}

.kfs-notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.kfs-primary-btn {
  background: var(--kfs-primary);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.kfs-primary-btn:hover {
  background: var(--kfs-primary-hover);
}

.kfs-primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.kfs-secondary-btn {
  background: var(--kfs-bg);
  border: 1px solid var(--kfs-border);
  color: var(--kfs-text);
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.kfs-secondary-btn:hover {
  border-color: var(--kfs-primary);
  color: var(--kfs-primary);
}

.kfs-secondary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.kfs-full-width {
  width: 100%;
}

.kfs-text-btn {
  background: none;
  border: none;
  color: var(--kfs-muted);
  cursor: pointer;
  font-size: 0.85rem;
}

.kfs-text-btn:hover {
  color: #ef4444;
}

.kfs-small {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.kfs-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 32px;
}

.kfs-split-grid.kfs-reverse {
  grid-template-columns: 1fr 2fr;
}

.kfs-drop-zone {
  border: 2px dashed var(--kfs-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 240px;
  padding: 24px;
  transition: all 0.2s;
  background: var(--kfs-surface);
}

.kfs-drop-zone.kfs-drop-large {
  min-height: 320px;
}

.kfs-drop-zone:hover,
.kfs-drop-zone.is-dragging {
  border-color: var(--kfs-primary);
  background: rgba(79, 70, 229, 0.08);
}

.kfs-icon-bg {
  width: 64px;
  height: 64px;
  background: rgba(79, 70, 229, 0.12);
  color: var(--kfs-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.kfs-zip-bg {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.kfs-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 10px;
}

.kfs-inline-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.kfs-file-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kfs-file-list.kfs-scrollable {
  max-height: 360px;
  overflow-y: auto;
}

.kfs-file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--kfs-surface);
  border-radius: 8px;
  border: 1px solid transparent;
}

.kfs-file-item:hover {
  border-color: var(--kfs-border);
  background: var(--kfs-bg);
}

.kfs-file-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.kfs-icon-pdf {
  background: #fee2e2;
  color: #dc2626;
}

.kfs-icon-img {
  background: #e0f2fe;
  color: #0284c7;
}

.kfs-icon-code {
  background: #f1f5f9;
  color: #475569;
}

.kfs-icon-file {
  background: #f3f4f6;
  color: #64748b;
}

.kfs-file-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kfs-file-name {
  font-weight: 500;
  font-size: 0.95rem;
}

.kfs-file-size {
  font-size: 0.8rem;
  color: var(--kfs-muted);
}

.kfs-delete-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.kfs-delete-btn:hover {
  background: #fee2e2;
  color: #ef4444;
}

.kfs-action-footer {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--kfs-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.kfs-input-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--kfs-muted);
}

.kfs-input-wrap {
  position: relative;
}

.kfs-modern-input,
.kfs-modern-select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--kfs-border);
  border-radius: 8px;
  outline: none;
  background: var(--kfs-bg);
  font-size: 0.95rem;
  color: var(--kfs-text);
}

.kfs-modern-input:focus,
.kfs-modern-select:focus {
  border-color: var(--kfs-primary);
}

.kfs-extension {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kfs-muted);
  font-weight: 600;
}

.kfs-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--kfs-muted);
  font-size: 0.85rem;
  margin: 20px 0;
}

.kfs-divider::before,
.kfs-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--kfs-border);
}

.kfs-divider span {
  padding: 0 10px;
}

.kfs-file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.kfs-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--kfs-border);
  border-radius: 8px;
  text-align: center;
  font-size: 0.85rem;
  background: var(--kfs-bg);
}

.kfs-grid-item i {
  font-size: 2rem;
  color: var(--kfs-muted);
}

.kfs-unzip-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--kfs-border);
  border-radius: 12px;
  background: var(--kfs-bg);
}

.kfs-unzip-meta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.kfs-unzip-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--kfs-surface);
  color: var(--kfs-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.kfs-unzip-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.kfs-unzip-name {
  font-weight: 600;
  font-size: 0.9rem;
  word-break: break-word;
}

.kfs-unzip-size {
  font-size: 0.8rem;
  color: var(--kfs-muted);
}

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

.kfs-unzip-download {
  border: 1px solid var(--kfs-border);
  background: var(--kfs-bg);
  color: var(--kfs-text);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  text-decoration: none;
}

.kfs-unzip-download:hover {
  border-color: var(--kfs-primary);
  color: var(--kfs-primary);
}

.kfs-config-section h3 {
  margin-top: 0;
}

.kfs-form-group {
  margin-bottom: 16px;
}

.kfs-form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--kfs-muted);
}

.kfs-row-group {
  display: flex;
  gap: 16px;
}

.kfs-preview-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.kfs-preview-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.kfs-rename-row {
  display: grid;
  grid-template-columns: 1fr 24px 1fr;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid var(--kfs-border);
  font-size: 0.9rem;
}

.kfs-rename-row .kfs-old {
  color: var(--kfs-muted);
}

.kfs-rename-row .kfs-new {
  color: var(--kfs-primary);
  font-weight: 600;
}

.kfs-rename-row i {
  color: #cbd5e1;
  justify-self: center;
}

.kfs-info-layout {
  display: grid;
  gap: 24px;
}

.kfs-drop-slim {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-style: dashed;
  cursor: pointer;
  color: var(--kfs-muted);
}

.kfs-drop-slim:hover {
  border-color: var(--kfs-primary);
  color: var(--kfs-primary);
}

.kfs-file-report {
  background: var(--kfs-bg);
  border-radius: var(--kfs-radius);
  border: 1px solid var(--kfs-border);
  box-shadow: var(--kfs-shadow);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.kfs-main-file-icon {
  font-size: 4rem;
  color: var(--kfs-primary);
}

.kfs-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 100%;
}

.kfs-meta-card {
  background: var(--kfs-surface);
  padding: 16px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kfs-meta-card.kfs-full {
  grid-column: span 2;
}

.kfs-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--kfs-muted);
}

.kfs-meta-value {
  font-weight: 600;
  font-size: 1rem;
  color: var(--kfs-text);
  word-break: break-all;
}

.kfs-code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9rem;
}

.kfs-status {
  font-size: 0.85rem;
  color: var(--kfs-muted);
}

.kfs-status.is-error {
  color: #ef4444;
}

.kfs-status.is-success {
  color: #10b981;
}

.kfs-download-link {
  color: var(--kfs-primary);
  font-weight: 600;
  text-decoration: none;
}

.kfs-download-link:hover {
  text-decoration: underline;
}

#kfs-tool-zip .kfs-split-grid {
  grid-template-columns: 1fr 1.6fr;
}

@media (max-width: 1024px) {
  .kfs-app {
    flex-direction: column;
  }

  .kfs-sidebar {
    width: 100%;
    margin-top: 0;
    position: static;
    top: auto;
    transform: none;
  }

  .kfs-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .kfs-nav-item {
    flex: 1 1 140px;
  }

  .kfs-split-grid,
  .kfs-split-grid.kfs-reverse {
    grid-template-columns: 1fr;
  }

  .kfs-row-group {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .kfs-content {
    padding: 0;
  }

  .kfs-file-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }

  .kfs-meta-grid {
    grid-template-columns: 1fr;
  }

  .kfs-meta-card.kfs-full {
    grid-column: span 1;
  }
}

@media (max-width: 560px) {
  .kfs-shell {
    padding: 0 10px 30px;
  }

  .kfs-main-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px;
  }

  .kfs-main-head h1 {
    font-size: 1.35rem;
  }

  .kfs-main-inner {
    padding: 12px;
  }

  .kfs-card {
    padding: 14px;
    border-radius: 12px;
  }

  .kfs-row-group {
    gap: 8px;
  }

  .kfs-btn,
  .kfs-action-btn {
    width: 100%;
    justify-content: center;
  }

  .kfs-file-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}