.upload { min-height: 100vh; display: flex; flex-direction: column; }
.upload-main { flex: 1; display: flex; justify-content: center; padding-top: 72px; }
.upload-col { width: 720px; display: flex; flex-direction: column; gap: var(--space-5); }
.upload-head { display: flex; flex-direction: column; gap: 6px; }
.upload-head h1 { margin: 0; font-size: var(--font-xxl); line-height: 40px; }
.upload-card { padding: var(--space-7); display: flex; flex-direction: column; gap: var(--space-6); }

.dropzone { height: 300px; border: 2px dashed var(--color-border-strong); border-radius: var(--radius-lg); background: var(--color-bg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-3); cursor: pointer; }
.dropzone.drag { border-color: var(--color-primary); background: var(--color-primary-weak); }
.drop-icon { width: 64px; height: 64px; border-radius: var(--radius-pill); background: var(--color-primary-weak); color: var(--color-primary); display: flex; align-items: center; justify-content: center; }
.drop-title { font-size: var(--font-lg); font-weight: 600; }
.drop-link { color: var(--color-primary); text-decoration: underline; }
#file-input:focus-visible + .file-card, .dropzone:focus-within { outline: 2px solid var(--color-focus); outline-offset: 2px; }

.file-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); display: flex; align-items: center; gap: var(--space-4); }
.file-badge { width: 44px; height: 52px; border-radius: var(--radius-sm); background: var(--color-primary-weak); color: var(--color-primary); font-size: var(--font-xs); font-weight: 700; display: flex; align-items: flex-end; justify-content: center; padding-bottom: var(--space-2); flex-shrink: 0; }
.file-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: var(--space-1); }
.file-name { font-size: var(--font-md); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-size { font-size: var(--font-sm); color: var(--color-text-3); }

.progress { display: flex; flex-direction: column; gap: var(--space-5); }
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.steps li { display: flex; gap: var(--space-4); align-items: flex-start; min-height: 56px; position: relative; font-size: var(--font-md); }
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 13px; top: 30px; width: 2px; height: 24px; background: var(--color-border); }
.steps li[data-state="done"]:not(:last-child)::after { background: var(--color-primary); }
.step-mark { width: 28px; height: 28px; border-radius: var(--radius-pill); flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.steps li[data-state="done"] .step-mark { background: var(--color-primary); color: var(--color-on-primary); }
.steps li[data-state="todo"] .step-mark { border: 2px solid var(--color-border); }
.steps li[data-state="todo"] { color: var(--color-text-3); }
.steps li[data-state="current"] { font-weight: 600; }
.step-label { padding-top: 2px; }

.done { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); padding: var(--space-6) 0 var(--space-2); }
.done-icon { width: 64px; height: 64px; border-radius: var(--radius-pill); background: var(--color-success-weak); color: var(--color-success); display: flex; align-items: center; justify-content: center; }
.done-title { font-size: var(--font-xl); }

.fail { display: flex; gap: var(--space-4); align-items: flex-start; background: var(--color-danger-weak); border-radius: var(--radius-md); padding: var(--space-5); }
.fail-icon { width: 40px; height: 40px; border-radius: var(--radius-pill); background: var(--color-surface); color: var(--color-danger); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.fail-body { display: flex; flex-direction: column; gap: 6px; }
.fail-title { font-size: var(--font-lg); }
.fail-text { font-size: 15px; line-height: 24px; color: var(--color-text-2); }

.actions { display: flex; align-items: center; gap: var(--space-4); }

@media (max-width: 1366px), (max-height: 760px) {
  .topbar { --page-x: 64px; }
  .upload-main { padding-top: 40px; }
  .dropzone { height: 240px; }
}

@media (max-width: 768px) {
  .topbar { --page-x: 16px; }
  .upload-main { padding: var(--space-5) var(--space-4) var(--space-7); }
  .upload-col { width: 100%; max-width: 100%; gap: var(--space-4); }
  .upload-head h1 { font-size: var(--font-xl); line-height: 32px; }
  .upload-card { padding: var(--space-4); gap: var(--space-5); }
  .dropzone { height: 200px; padding: 0 var(--space-4); text-align: center; }
  .drop-pc { display: none; }
  .file-card { padding: var(--space-3); gap: var(--space-3); }
  .fail { padding: var(--space-4); gap: var(--space-3); }
  .fail-body { min-width: 0; }
  .actions { flex-direction: column; align-items: stretch; gap: var(--space-3); text-align: center; }
  .actions .btn { width: 100%; }
}