/* Video Merger - .vm-* namespace */

.vm-tool-wrap {
  max-width: 1060px;
  margin: 0 auto;
  margin: 1.5rem 0;
}

.site-header .theme-toggle {
  height: 44px;
  min-height: 44px;
  min-width: 44px;
  width: 44px;
}


.vm-tool-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.vm-tool-header h2 {
  color: var(--text);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.vm-tool-header p {
  color: var(--text-muted);
  margin: 0;
}

.vm-kicker {
  color: var(--primary) !important;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 0.35rem !important;
  text-transform: uppercase;
}

.vm-compat-error,
.vm-mobile-warn {
  border-radius: 8px;
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
}

.vm-compat-error {
  background: rgba(var(--danger-rgb), 0.08);
  border: 1px solid rgba(var(--danger-rgb), 0.28);
  color: var(--danger);
}

.vm-mobile-warn {
  background: rgba(var(--warning-rgb), 0.08);
  border: 1px solid rgba(var(--warning-rgb), 0.28);
  color: var(--warning);
}

.vm-drop-zone {
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: 12px;
  cursor: pointer;
  padding: 3rem 2rem;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
}

.vm-drop-zone:hover,
.vm-drop-zone:focus-visible,
.vm-drop-zone.vm-drag-over {
  background: rgba(var(--primary-rgb), 0.06);
  border-color: var(--primary);
  outline: none;
}

.vm-drop-icon {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.vm-drop-title {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.vm-drop-sub {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.vm-browse-link {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 44px;
  padding: 0;
  text-decoration: underline;
}

.vm-browse-link:hover {
  color: var(--primary-dark);
}

.vm-drop-formats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
  margin-top: 0.8rem;
}

.vm-format-pill {
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.22);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
}

.vm-file-input-hidden {
  height: 1px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  width: 1px;
}

.vm-workspace {
  margin-top: 1.25rem;
}

.vm-file-summary {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.vm-file-summary strong {
  color: var(--text);
}

.vm-file-summary p {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.45;
  margin: 0.2rem 0 0;
}

.vm-summary-actions {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  gap: 0.4rem;
}

.vm-total-size {
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.vm-add-more-btn {
  background: transparent;
  border: 1px solid var(--primary);
  border-radius: 6px;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  min-height: 36px;
  padding: 0.3rem 0.65rem;
  white-space: nowrap;
}

.vm-add-more-btn:hover {
  background: rgba(var(--primary-rgb), 0.08);
}

.vm-file-list {
  display: grid;
  gap: 0.65rem;
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.vm-file-list:empty {
  display: none;
}

.vm-file-item {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: auto 1fr auto;
  min-height: 56px;
  padding: 0.75rem 0.9rem;
}

.vm-file-handle {
  color: var(--text-muted);
  cursor: grab;
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

.vm-drag-target {
  background: rgba(var(--primary-rgb), 0.06);
  border-color: var(--primary);
  outline: 2px solid rgba(var(--primary-rgb), 0.35);
}

.vm-file-meta {
  min-width: 0;
}

.vm-file-name {
  color: var(--text);
  display: block;
  font-size: 0.93rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vm-file-detail {
  color: var(--text-muted);
  display: block;
  font-size: 0.8rem;
}

.vm-remove-btn {
  align-items: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.vm-remove-btn:hover {
  background: rgba(var(--danger-rgb), 0.06);
  border-color: var(--danger);
  color: var(--danger);
}

.vm-options {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1.25rem;
}

.vm-option-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.vm-option-label {
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
}

.vm-format-select {
  min-height: 44px;
}

.vm-filename-wrap {
  display: flex;
  min-width: 0;
}

.vm-filename-input {
  border-radius: 6px 0 0 6px !important;
  border-right: none !important;
  min-width: 0;
}

.vm-filename-ext {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 6px 6px 0;
  color: var(--text-muted);
  display: flex;
  flex-shrink: 0;
  font-size: 0.9rem;
  height: 44px;
  padding: 0 0.75rem;
}

.vm-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.vm-merge-btn,
.vm-download-btn {
  align-items: center;
  display: inline-flex;
  gap: 0.5rem;
  justify-content: center;
  min-height: 48px;
  text-decoration: none;
}

.vm-merge-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.vm-clear-btn,
.vm-cancel-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  min-height: 44px;
  padding: 0.45rem 0.9rem;
}

.vm-clear-btn:hover,
.vm-cancel-btn:hover {
  background: rgba(var(--danger-rgb), 0.06);
  border-color: var(--danger);
  color: var(--danger);
}

.vm-privacy-badge {
  align-items: center;
  color: var(--success);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  gap: 0.4rem;
}

.vm-progress-wrap {
  margin-top: 1.5rem;
  text-align: center;
}

.vm-progress-track {
  background: var(--border);
  border-radius: 999px;
  height: 10px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.vm-progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 999px;
  height: 100%;
  transition: width 0.35s ease;
  width: 0%;
}

.vm-progress-label {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
}

.vm-cancel-btn {
  margin-top: 0.8rem;
}

.vm-result {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--success);
  border-radius: 8px;
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
}

.vm-result-icon {
  color: var(--success);
  flex-shrink: 0;
}

.vm-result-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.vm-result-body strong {
  color: var(--text);
}

.vm-result-body span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.vm-status {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-top: 1rem;
}
.vm-status.vm-status-error   { padding: 0.65rem 1rem; border-radius: 8px; border: 1px solid rgba(239,68,68,0.25); background: rgba(239,68,68,0.1); color: var(--danger); font-size: 0.875rem; animation: tool-status-in 0.2s ease; }
.vm-status.vm-status-warning { padding: 0.65rem 1rem; border-radius: 8px; border: 1px solid rgba(245,158,11,0.25); background: rgba(245,158,11,0.1); color: var(--warning); font-size: 0.875rem; animation: tool-status-in 0.2s ease; }
.vm-status.vm-status-info    { padding: 0.65rem 1rem; border-radius: 8px; border: 1px solid rgba(var(--primary-rgb),0.2); background: rgba(var(--primary-rgb),0.08); color: var(--primary); font-size: 0.875rem; animation: tool-status-in 0.2s ease; }

.vm-status:empty {
  display: none;
}

[data-theme="dark"] .vm-tool-header,
[data-theme="dark"] .vm-drop-zone,
[data-theme="dark"] .vm-file-item,
[data-theme="dark"] .vm-result {
  background: rgba(var(--on-primary-rgb), 0.03);
}

[data-theme="dark"] .vm-filename-ext {
  background: rgba(var(--on-primary-rgb), 0.04);
}

@media (max-width: 720px) {
  .vm-tool-header {
    padding: 1rem;
  }

  .vm-drop-zone {
    padding: 2rem 1rem;
  }

  .vm-file-summary {
    flex-direction: column;
    gap: 0.45rem;
  }

  .vm-options {
    grid-template-columns: 1fr;
  }

  .vm-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .vm-merge-btn,
  .vm-clear-btn,
  .vm-download-btn {
    width: 100%;
  }

  .vm-result {
    align-items: stretch;
    flex-direction: column;
    text-align: center;
  }
}