.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem;
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  animation: slideInUp 0.55s ease-out forwards;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}


.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent 70%);
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow), 0 0 24px var(--primary-glow);
}

.card:hover::before {
  opacity: 1;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.12s; }
.card:nth-child(3) { animation-delay: 0.19s; }
.card:nth-child(4) { animation-delay: 0.26s; }
.card:nth-child(5) { animation-delay: 0.33s; }

#processBtn {
  opacity: 0;
  transform: translateY(20px);
  animation: slideInUp 0.55s ease-out 0.22s forwards;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-secondary);
}

.card-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-bright), transparent);
}



.upload-area {
  border: 1px dashed var(--border-bright);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  background: var(--glass);
  cursor: pointer;
}


.upload-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--primary);
  border-style: solid;
  background: var(--gradient-subtle);
  box-shadow: inset 0 0 30px var(--primary-glow);
}

.upload-area:hover::before,
.upload-area.dragover::before {
  opacity: 1;
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.7;
  animation: bounce 3s infinite;
}

.upload-text {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.upload-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.file-name {
  margin-top: 1.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--gradient-subtle);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: none;
  animation: slideInUp 0.3s ease-out;
  letter-spacing: 0.02em;
}



.progress-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease;
}

.progress-container:hover {
  border-color: var(--border-bright);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--border);
}

.progress-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.progress-title span { font-size: 1rem; }

.progress-percentage {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
  min-width: 44px;
  text-align: right;
}

.progress-bar-container {
  height: 4px;
  background: var(--bg-input);
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient);
  background-size: 200% 100%;
  width: 0%;
  transition: width 0.4s ease;
  position: relative;
  overflow: hidden;
  animation: gradientFlow 2s linear infinite;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

.progress-content {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  max-height: 300px;
  overflow-y: auto;
  color: var(--text-secondary);
  line-height: 1.9;
  background: transparent;
}

.progress-content::-webkit-scrollbar { width: 4px; }
.progress-content::-webkit-scrollbar-track { background: transparent; }
.progress-content::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 2px; }



.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text-on-primary);
  border-color: transparent;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
  filter: brightness(1.08);
}

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

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-bright);
  background: var(--glass-strong);
  transform: translateY(-1px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
  width: 100%;
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.btn-primary .spinner { display: none; }

.btn-primary .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid color-mix(in srgb, var(--text-on-primary) 30%, transparent);
  border-top-color: var(--text-on-primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.btn.loading-state .btn-text { display: none; }
.btn.loading-state .spinner { display: block; }



.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all 0.16s ease;
  cursor: pointer;
  position: relative;
}

.checkbox-item:hover {
  border-color: var(--border-bright);
  background: var(--glass-strong);
  padding-left: 1.3rem;
}

.checkbox-item.wide-item { grid-column: 1 / -1; }


.checkbox-item input[type="checkbox"],
.checkbox-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
  border-radius: 3px;
}

.checkbox-label {
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  color: var(--text-primary);
  font-size: 0.88rem;
  line-height: 1.4;
}


.checkbox-item[data-tooltip] { position: relative; }

.checkbox-item[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(100% + 8px);
  background: var(--bg-input);
  border: 1px solid var(--border-bright);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.5;
  white-space: pre-wrap;
  text-align: center;
  width: 260px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 100;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.checkbox-item[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-3px);
}



.form-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23606070' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 10px center;
  background-repeat: no-repeat;
  background-size: 14px;
  padding-right: 2.5rem;
  appearance: none;
  -webkit-appearance: none;
}

.fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
  transition: opacity 0.2s ease;
  background: var(--glass);
}

.fieldset:disabled {
  opacity: 0.45;
  pointer-events: none;
}

.fieldset-legend { display: none; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.form-group { display: flex; flex-direction: column; }



.errors-content {
  background: rgba(255, 59, 59, 0.05);
  border: 1px solid rgba(255, 59, 59, 0.22);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  max-height: 280px;
  overflow-y: auto;
  color: var(--error);
  transition: all 0.2s ease;
  line-height: 1.8;
  position: relative;
}

.errors-content::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--danger), transparent 70%);
  opacity: 0.6;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.errors-content::-webkit-scrollbar { width: 4px; }
.errors-content::-webkit-scrollbar-track { background: transparent; }
.errors-content::-webkit-scrollbar-thumb { background: rgba(255,59,59,0.4); border-radius: 2px; }



.structure-container {
  overflow: hidden;
}

.structure-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.structure-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--glass-strong);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.structure-actions button {
  padding: 0.4rem 0.9rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
}

.structure-actions button:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--gradient-subtle);
}

.pack-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass);
}

.pack-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--border);
}

.pack-type-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pack-type {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-glow);
  border: 1px solid var(--border-bright);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.pack-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pack-manifest-path {
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--glass);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pack-tabs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 0.6rem 0.6rem 0;
}

.pack-tab {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--glass);
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
}

.pack-tab .pack-name {
  flex: none;
  font-size: 0.75rem;
  color: inherit;
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 600;
}

.pack-tab:hover {
  color: var(--primary);
  border-color: var(--border-bright);
}

.pack-tab.active {
  color: var(--primary);
  background: var(--primary-glow);
  border-color: var(--border-bright);
}

.pack-tab-panels {
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  overflow: hidden;
  background: var(--glass);
}

.pack-tab-panel {
  display: none;
}

.pack-tab-panel.active {
  display: block;
}

.file-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: auto;
}

.folder-tree {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
  font-size: 0.82rem;
}

.tree-item.folder {
  font-weight: 600;
  color: var(--text-secondary);
}

.tree-item:hover { background: var(--glass-strong); }

.tree-icon {
  font-size: 0.82rem;
  flex-shrink: 0;
  width: 1.6rem;
  text-align: center;
  line-height: 1;
}


.indent-1 { padding-left: 1.5rem; }
.indent-2 { padding-left: 2.5rem; }
.indent-3 { padding-left: 3.5rem; }
.indent-4 { padding-left: 4.5rem; }

.tree-item-checkbox {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.tree-item-checkbox input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--primary);
  cursor: pointer;
  border-radius: 3px;
}

.tree-item-checkbox input[type="checkbox"]:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tree-item.file.protected { opacity: 0.6; }
.tree-item.file.protected .tree-icon { filter: grayscale(1); }

.tree-item-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.tree-item-content > span:nth-child(2) {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.obfuscation-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
}

.obfuscation-badge.can-obfuscate {
  background: var(--glass-strong);
  color: var(--primary);
  border: 1px solid var(--border-bright);
}

.obfuscation-badge.protected {
  background: var(--glass);
  color: var(--text-muted);
  border: 1px solid var(--border);
}


.structure-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.stat-item {
  text-align: center;
  padding: 0.5rem 0.25rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}



.dm-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeInScale 0.22s ease-out forwards;
}

.dm-overlay.dm-hidden { display: none; }

.dm-card {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 50px var(--primary-glow), var(--shadow-lg);
  animation: slideInUp 0.28s ease-out forwards;
  position: relative;
}


.dm-card::before {
  content: '';
  display: block;
  height: 2px;
  background: var(--gradient);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  flex-shrink: 0;
}


.dm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--border);
}

.dm-header-left {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.dm-icon-wrap {
  font-size: 2rem;
  line-height: 1;
  animation: bounce 2.5s infinite;
}

.dm-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.15rem;
}

.dm-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.dm-close {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dm-close:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(255, 59, 59, 0.1);
}


.dm-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dm-section-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}


.dm-stats-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dm-stat {
  flex: 1;
  min-width: 72px;
  background: var(--glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.4rem;
  text-align: center;
  transition: border-color 0.2s ease;
}

.dm-stat:hover { border-color: var(--primary); }

.dm-stat-num {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.dm-stat-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}


.dm-name-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dm-name-row:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.dm-name-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.dm-name-input::placeholder { color: var(--text-muted); font-weight: 400; }

.dm-ext-badge {
  padding: 0.5rem 1rem;
  background: var(--gradient);
  color: var(--text-on-primary);
  font-weight: 800;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  display: flex;
  align-items: center;
  min-width: 80px;
  justify-content: center;
  text-transform: lowercase;
}


.dm-format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.dm-fmt-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.875rem 0.4rem;
  background: var(--glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.18s ease;
  text-align: center;
}

.dm-fmt-btn:hover {
  border-color: var(--border-bright);
  color: var(--text-primary);
  background: var(--glass);
  transform: translateY(-2px);
}

.dm-fmt-btn.active {
  border-color: var(--primary);
  background: var(--gradient-subtle);
  color: var(--primary);
  box-shadow: 0 0 14px var(--primary-glow);
}

.dm-fmt-icon { font-size: 1.4rem; line-height: 1; }

.dm-fmt-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.dm-fmt-btn.active .dm-fmt-name { color: var(--primary); }

.dm-fmt-desc {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.dm-note {
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}


.dm-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--glass);
}

.dm-download-btn { min-width: 140px; }


@media (max-width: 600px) {
  .dm-card { border-radius: var(--radius-lg); }
  .dm-header { padding: 1.1rem 1.25rem; }
  .dm-body { padding: 1.1rem 1.25rem; gap: 1.1rem; }
  .dm-format-grid { grid-template-columns: repeat(2, 1fr); }
  .dm-footer {
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column-reverse;
  }
  .dm-footer .btn { width: 100%; }
  .structure-stats { grid-template-columns: repeat(3, 1fr); }
}