textarea,
.password-input,
.link-input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-control);
  font-size: 16px;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease, background 0.2s ease;
}

textarea {
  min-height: 120px;
  resize: vertical;
  margin-bottom: 20px;
}

textarea:focus,
.password-input:focus,
.link-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.options-section {
  margin-bottom: 20px;
  padding: 15px;
  background: var(--color-surface-muted);
  border-radius: var(--radius-control);
}

.option-label,
.section-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  display: block;
}

.section-hint {
  font-size: 12px;
  color: var(--color-text-subtle);
  font-weight: normal;
  margin-left: 8px;
}

.option-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 15px;
}

.option-btn {
  padding: 8px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-chip);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
}

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

.option-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  margin-bottom: 10px;
}

.checkbox-label input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.password-input {
  display: none;
}

.password-input.show {
  display: block;
}

.encrypt-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-accent);
  margin-top: 15px;
}

.encrypt-badge svg {
  width: 16px;
  height: 16px;
}

button.primary {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-control);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.35);
}

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

button.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

button.secondary,
button.home-btn {
  width: 100%;
  margin-top: 15px;
  padding: 12px;
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: var(--radius-control);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

button.secondary:hover,
button.home-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.result {
  display: none;
  margin-top: 20px;
  padding: 20px;
  background: var(--color-surface-muted);
  border-radius: var(--radius-control);
  border: 2px solid var(--color-primary);
}

.result.show {
  display: block;
}

.result h3 {
  margin-bottom: 10px;
  color: var(--color-text);
  font-size: 16px;
}

.link-container {
  display: flex;
  gap: 10px;
}

.link-input {
  flex: 1;
  padding: 10px;
  font-size: 14px;
}

.copy-btn,
.download-btn {
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-chip);
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.2s ease;
}

.copy-btn:hover {
  background: var(--color-primary-strong);
}

.download-btn {
  background: var(--color-accent);
}

.download-btn:hover {
  background: var(--color-accent-strong);
}

.info-box {
  margin-top: 15px;
  padding: 12px;
  background: var(--color-info-bg);
  border-left: 4px solid var(--color-primary);
  border-radius: 4px;
  font-size: 13px;
  color: var(--color-text);
}

.info-box strong {
  color: var(--color-primary);
}

.warning {
  margin-top: 15px;
  padding: 12px;
  background: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning-border);
  border-radius: 4px;
  font-size: 13px;
  color: var(--color-warning-text);
}

.error-box {
  background: var(--color-danger-bg);
  border-left-color: var(--color-danger-border);
  color: var(--color-danger-text);
}

.success-box {
  background: var(--color-success-bg);
  border-left-color: var(--color-accent);
  color: var(--color-success-text);
}

.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-control);
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 20px;
  background: var(--color-surface-muted);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: var(--color-info-bg);
}

.upload-icon {
  font-size: 40px;
  margin-bottom: 10px;
  color: var(--color-text-subtle);
}

.upload-text {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 6px;
}

.upload-hint {
  color: var(--color-text-subtle);
  font-size: 12px;
}

.upload-area input[type='file'] {
  display: none;
}

.file-preview {
  display: none;
  margin-bottom: 20px;
  padding: 12px 14px;
  border-radius: var(--radius-control);
  border: 2px solid var(--color-primary);
  background: var(--color-info-bg);
  color: var(--color-text);
  position: relative;
}

.file-preview.show {
  display: flex;
  align-items: center;
  gap: 12px;
}

.file-preview .file-icon {
  font-size: 28px;
}

.file-preview .file-meta {
  flex: 1;
  min-width: 0;
}

.file-preview .file-name {
  font-weight: 600;
  word-break: break-all;
  font-size: 14px;
}

.file-preview .file-size {
  font-size: 12px;
  color: var(--color-text-muted);
}

.file-preview .remove-image {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-danger-border);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-preview .thumbnail {
  max-width: 80px;
  max-height: 80px;
  border-radius: 4px;
}

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--toast-bg);
  color: var(--color-surface);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 9999;
}

[data-theme='dark'] .toast,
:root:not([data-theme='light']) .toast {
  color: #111;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.qr-block {
  margin-top: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  padding: 16px;
  text-align: center;
}

.qr-block svg {
  max-width: 200px;
  height: auto;
  cursor: pointer;
  border-radius: 6px;
}

.qr-block p {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.qr-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.78);
  z-index: 9998;
  padding: 24px;
}

.qr-modal.show {
  display: flex;
}

.qr-modal svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
}

.spinner {
  border: 3px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--color-text-muted);
}

.countdown-box {
  background: var(--color-info-bg);
  border-left: 4px solid var(--color-primary);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.countdown-label {
  font-size: 14px;
  color: var(--color-text);
}

.countdown-time {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.secret-box {
  background: var(--color-surface-muted);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-control);
  padding: 20px;
  margin-bottom: 16px;
  word-wrap: break-word;
  white-space: pre-wrap;
  max-height: 400px;
  overflow-y: auto;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
}

pre.secret-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}

.media-box {
  text-align: center;
  margin-bottom: 16px;
}

.media-box img,
.media-box video,
.media-box audio {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-control);
  border: 2px solid var(--color-primary);
}

.media-box audio {
  border: none;
  width: 100%;
}

.media-info {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
  word-break: break-all;
}

.file-card {
  background: var(--color-surface-muted);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-control);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.file-card .icon {
  font-size: 34px;
}

.file-card .meta {
  flex: 1;
  min-width: 0;
}

.file-card .meta .name {
  font-weight: 600;
  color: var(--color-text);
  word-break: break-all;
}

.file-card .meta .size {
  font-size: 13px;
  color: var(--color-text-muted);
}

.content-type-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 15px;
  background: var(--color-info-bg);
  color: var(--color-primary);
}

.destroyed-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.destroyed-overlay.show {
  display: flex;
}

.destroyed-content {
  text-align: center;
  color: #fff;
}

.destroyed-icon {
  font-size: 80px;
  animation: burn 1s ease-out;
}

.destroyed-text {
  font-size: 24px;
  margin-top: 20px;
}

@keyframes burn {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.password-error {
  color: var(--color-danger-border);
  font-size: 13px;
  margin-bottom: 10px;
  display: none;
}

.password-error.show {
  display: block;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.meta-grid .cell {
  background: var(--color-surface-muted);
  border-radius: var(--radius-control);
  padding: 12px;
  text-align: center;
}

.meta-grid .cell .label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.meta-grid .cell .value {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
}