:root {
  --gold: #BF9F5A;
  --gold-soft: #d8c08a;
  --gold-deep: #9b7f3f;
  --ink: #2C2C2C;
  --ink-soft: #3a3a3a;
  --paper: #FAF8F5;
  --paper-deep: #efeae0;
  --gray: #9B9B9B;
  --gray-soft: #c8c8c8;
  --green: #6EB48C;
  --red: #c46a5a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body {
  font-family: "Noto Sans TC", "Nunito", -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: var(--ink);
  color: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  line-break: strict;
  min-height: 100vh;
}
.mono { font-family: "Nunito", ui-monospace, "SFMono-Regular", monospace; }
.nb { white-space: nowrap; }

/* === 頂部品牌列 === */
.topbar {
  background: var(--ink);
  border-bottom: 1px solid rgba(191, 159, 90, 0.25);
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: baseline; gap: 14px; cursor: pointer; transition: opacity 0.2s ease; }
.brand:hover { opacity: 0.85; }
.brand-name { font-size: 22px; font-weight: 700; color: var(--gold); letter-spacing: 0.02em; }
.brand-en { font-family: "Nunito", sans-serif; font-size: 13px; color: var(--gray); letter-spacing: 0.15em; }
.brand-tagline { font-size: 12px; color: var(--gray); letter-spacing: 0.05em; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-home {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid rgba(191, 159, 90, 0.3);
  color: var(--gold-soft); padding: 6px 14px; border-radius: 100px;
  font-size: 12px; cursor: pointer; transition: all 0.15s ease;
  font-family: inherit;
}
.topbar-home:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.env-tag { font-family: "Nunito", sans-serif; font-size: 11px; color: var(--ink); background: var(--gold); padding: 4px 12px; border-radius: 100px; letter-spacing: 0.1em; font-weight: 600; }

/* === 主容器 === */
.stage { max-width: 1180px; margin: 0 auto; padding: 36px 32px 80px; }

/* === 步驟導覽 === */
.stepnav { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.stepnav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: 100px;
  background: rgba(255,255,255,0.04); color: var(--gray);
  font-size: 13px; transition: all 0.2s ease;
  border: 1px solid transparent; user-select: none;
}
.stepnav-item.done { color: var(--gold-soft); }
.stepnav-item.active { background: var(--gold); color: var(--ink); font-weight: 500; }
.stepnav-item .num {
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0,0,0,0.15); display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 11px; font-family: "Nunito", sans-serif; font-weight: 700;
}
.stepnav-item.active .num { background: var(--ink); color: var(--gold); }
.stepnav-divider { color: rgba(155,155,155,0.4); font-size: 12px; }

/* === 卡片 === */
.card {
  background: var(--paper); color: var(--ink);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  overflow: hidden; position: relative;
}
.card-inner { padding: 44px 56px 36px; min-height: 580px; display: flex; flex-direction: column; }
.card-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding-bottom: 16px; margin-bottom: 28px;
}
.card-title { font-size: 22px; font-weight: 700; color: var(--ink); }
.card-step { font-family: "Nunito", sans-serif; font-size: 13px; color: var(--gold-deep); letter-spacing: 0.18em; text-transform: uppercase; font-weight: 600; }

.step-panel { display: none; flex: 1; flex-direction: column; }
.step-panel.active { display: flex; }

/* === Step 1：拖入 === */
.dropzone {
  flex: 1; border: 2px dashed var(--gray-soft); border-radius: 12px;
  margin-bottom: 24px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 40px; transition: all 0.2s ease;
  background: rgba(191, 159, 90, 0.03); min-height: 240px;
}
.dropzone.hover { border-color: var(--gold); background: rgba(191, 159, 90, 0.1); }
.dropzone-icon { width: 56px; height: 56px; margin-bottom: 18px; color: var(--gold); }
.dropzone-title { font-size: 20px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.dropzone-sub { color: var(--gray); font-size: 13px; margin-bottom: 16px; }
.dropzone-actions { display: flex; gap: 10px; }
.pseudo-btn {
  padding: 8px 22px; border: 1px solid var(--gold);
  background: transparent; color: var(--gold-deep);
  font-size: 13px; border-radius: 100px; letter-spacing: 0.05em;
  font-family: inherit; cursor: pointer; transition: all 0.2s ease;
}
.pseudo-btn:hover { background: var(--gold); color: var(--ink); }
.pseudo-btn.ghost { border-color: var(--gray-soft); color: var(--gray); }
.pseudo-btn.ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }

.filelist {
  background: var(--paper-deep); border-radius: 10px;
  padding: 16px 20px; max-height: 200px; overflow-y: auto;
  margin-bottom: 16px; display: none;
}
.filelist.show { display: block; }
.filelist-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 13px; color: var(--gray); }
.text-link {
  background: transparent; border: none; color: var(--red); cursor: pointer;
  font-size: 12px; font-family: inherit; padding: 4px 10px;
  border-radius: 100px; transition: all 0.15s ease;
}
.text-link:hover { background: rgba(196, 106, 90, 0.12); }
.filelist-count { color: var(--gold-deep); font-weight: 600; }
.filelist-row { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 13px; color: var(--ink-soft); border-bottom: 1px dashed rgba(0,0,0,0.05); }
.filelist-row:last-child { border-bottom: none; }
.filelist-row .idx { color: var(--gold-deep); font-family: "Nunito", monospace; font-size: 11px; min-width: 28px; text-align: right; }
.filelist-row .name { flex: 1; font-family: "Nunito", monospace; word-break: break-all; }
.filelist-row .size { color: var(--gray); white-space: nowrap; }
.del-btn {
  background: transparent; border: none; color: var(--gray);
  font-size: 18px; line-height: 1; cursor: pointer;
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.15s ease; font-family: inherit; padding: 0;
  flex-shrink: 0;
}
.del-btn:hover { background: var(--red); color: white; }

.batch-hint { background: rgba(191, 159, 90, 0.1); border-left: 3px solid var(--gold); padding: 12px 16px; border-radius: 6px; font-size: 13px; color: var(--ink-soft); margin-bottom: 16px; display: none; }
.batch-hint.show { display: block; }
.batch-hint strong { color: var(--gold-deep); }

.resume-banner { background: rgba(110, 180, 140, 0.1); border-left: 3px solid var(--green); padding: 14px 18px; border-radius: 6px; margin-bottom: 16px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.resume-banner strong { color: var(--green); font-size: 14px; }
.resume-banner span { color: var(--ink-soft); font-size: 13px; flex: 1; }
.resume-actions { display: flex; gap: 8px; }

/* === Step 2：設定 === */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 32px; margin-bottom: 24px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row.full { grid-column: span 2; }
.form-label { font-size: 13px; color: var(--gray); letter-spacing: 0.05em; }
.form-input-wrap {
  display: flex; align-items: center; gap: 12px;
  background: var(--paper-deep); border-radius: 8px;
  padding: 6px 8px 6px 16px;
  border: 1px solid transparent; transition: border-color 0.2s ease;
}
.form-input-wrap:focus-within { border-color: var(--gold); background: #fff; }
.form-input {
  flex: 1; border: none; background: transparent;
  font-size: 18px; font-weight: 500;
  font-family: "Nunito", "Noto Sans TC", monospace;
  color: var(--ink); outline: none;
  padding: 6px 0;
}
.form-input::placeholder { color: var(--ink); opacity: 0.32; font-weight: 400; }
.form-input::-webkit-input-placeholder { color: var(--ink); opacity: 0.32; font-weight: 400; }
.form-input.narrow { max-width: 60px; }
.form-input[readonly] { color: var(--gray); }
.form-unit { font-size: 13px; color: var(--gray); padding-right: 6px; }
.form-helper { font-size: 12px; color: var(--gray); }

.toggle-section { background: var(--paper-deep); border-radius: 10px; padding: 16px 20px; margin-bottom: 20px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; }
.toggle-info { display: flex; flex-direction: column; gap: 2px; }
.toggle-title { font-size: 14px; font-weight: 500; color: var(--ink); }
.toggle-desc { font-size: 12px; color: var(--gray); }
.toggle-switch {
  position: relative; width: 44px; height: 24px;
  background: var(--gray-soft); border-radius: 100px;
  cursor: pointer; transition: background 0.2s ease;
  flex-shrink: 0;
}
.toggle-switch::after {
  content: ''; position: absolute;
  width: 18px; height: 18px; background: white;
  border-radius: 50%; top: 3px; left: 3px;
  transition: left 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch.on { background: var(--gold); }
.toggle-switch.on::after { left: 23px; }

.rename-fields { display: none; grid-template-columns: 2fr 1fr; gap: 14px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed rgba(0,0,0,0.08); }
.rename-fields.show { display: grid; }
.rename-fields .form-row.full { grid-column: span 2; }
.rename-preview {
  background: var(--ink); color: var(--paper);
  border-radius: 6px; padding: 10px 14px; margin-top: 4px;
  font-size: 13px; font-family: "Nunito", "Noto Sans TC", monospace;
}
.rename-preview .gold { color: var(--gold); }

/* === Step 3：輸出 === */
.output-options { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.output-card {
  border: 2px solid transparent; background: var(--paper-deep);
  border-radius: 10px; padding: 18px 22px;
  cursor: pointer; transition: all 0.2s ease;
}
.output-card:hover { background: rgba(191, 159, 90, 0.08); }
.output-card.selected { border-color: var(--gold); background: rgba(191, 159, 90, 0.12); }
.output-card.disabled { opacity: 0.5; cursor: not-allowed; }
.output-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.output-card-title { font-size: 15px; font-weight: 500; color: var(--ink); }
.output-card-badge { font-size: 11px; background: var(--gold); color: var(--ink); padding: 2px 8px; border-radius: 100px; letter-spacing: 0.08em; font-weight: 600; }
.output-card-tag { font-size: 11px; color: var(--gray); border: 1px solid var(--gray-soft); padding: 2px 8px; border-radius: 100px; }
.output-card-path {
  font-family: "Nunito", monospace; font-size: 12px;
  color: var(--gold-deep); margin-top: 6px;
  background: white; padding: 8px 12px; border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.05);
  word-break: break-all;
}
.output-card-desc { font-size: 12px; color: var(--gray); margin-top: 8px; }
.output-actions { display: flex; gap: 8px; margin-top: 10px; }

.summary-block { background: var(--ink); color: var(--paper); border-radius: 10px; padding: 20px 24px; margin-bottom: 16px; }
.summary-title { font-size: 13px; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 12px; text-transform: uppercase; }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.summary-item .label { font-size: 11px; color: var(--gray); margin-bottom: 4px; }
.summary-item .value { font-family: "Nunito", monospace; font-size: 16px; font-weight: 600; color: var(--paper); }

/* === Step 4：處理中 === */
.processing-head { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; margin-bottom: 22px; }
.progress-block { background: var(--ink); border-radius: 10px; padding: 20px 24px; color: var(--paper); }
.progress-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.progress-label { font-size: 12px; color: var(--gray); letter-spacing: 0.05em; }
.progress-num { font-family: "Nunito", monospace; font-size: 22px; font-weight: 700; color: var(--gold); }
.progress-bar { height: 8px; background: rgba(255,255,255,0.08); border-radius: 100px; overflow: hidden; margin-top: 6px; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 100%); width: 0%; transition: width 0.3s ease; border-radius: 100px; }
.progress-meta { margin-top: 12px; font-size: 12px; color: var(--gray); display: flex; justify-content: space-between; }
.batch-block { background: var(--paper-deep); border-radius: 10px; padding: 20px 24px; display: flex; flex-direction: column; justify-content: center; }
.batch-num { font-family: "Nunito", monospace; font-size: 28px; font-weight: 700; color: var(--gold-deep); }
.batch-num small { font-size: 16px; color: var(--gray); font-weight: 400; }
.batch-label { font-size: 12px; color: var(--gray); margin-top: 4px; }
.batch-progress { margin-top: 12px; font-size: 12px; color: var(--ink-soft); }

.now-processing { background: rgba(191, 159, 90, 0.08); border: 1px solid rgba(191, 159, 90, 0.3); border-radius: 10px; padding: 16px 20px; margin-bottom: 18px; display: flex; align-items: center; gap: 14px; }
.spinner { width: 22px; height: 22px; border: 2px solid rgba(191, 159, 90, 0.3); border-top-color: var(--gold); border-radius: 50%; animation: spin 1s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.now-processing .text { flex: 1; display: flex; flex-direction: column; }
.now-processing .label { font-size: 11px; color: var(--gold-deep); letter-spacing: 0.1em; text-transform: uppercase; }
.now-processing .filename { font-family: "Nunito", monospace; font-size: 16px; font-weight: 500; color: var(--ink); word-break: break-all; }

.log-block { background: var(--ink); border-radius: 10px; padding: 16px 20px; display: flex; flex-direction: column; flex: 0 0 auto; }
.log-head { display: flex; justify-content: space-between; margin-bottom: 10px; }
.log-title { font-size: 12px; color: var(--gray); letter-spacing: 0.1em; text-transform: uppercase; }
.log-clear { font-size: 12px; color: var(--gray); cursor: pointer; }
.log-clear:hover { color: var(--paper); }
.log-stream { flex: 0 0 auto; height: 320px; overflow-y: auto; font-family: "Nunito", monospace; font-size: 12.5px; line-height: 1.8; }
.log-stream::-webkit-scrollbar { width: 6px; }
.log-stream::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 100px; }
.log-line { display: flex; gap: 10px; color: var(--paper); opacity: 0; animation: logfade 0.3s ease forwards; }
@keyframes logfade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.log-line .time { color: var(--gray); min-width: 56px; }
.log-line .icon { min-width: 14px; color: var(--green); font-weight: 700; }
.log-line.fail .icon { color: var(--red); }
.log-line.info .icon { color: var(--gold); }
.log-line.skip .icon { color: var(--gold-soft); }
.log-line .body { flex: 1; word-break: break-all; }
.log-line .delta { color: var(--gray); font-size: 11px; }
.log-line.fail .body { color: #f3c4ba; }

/* === Step 5：完成 === */
.done-hero { text-align: center; padding: 16px 0 28px; }
.done-icon { width: 64px; height: 64px; border-radius: 50%; background: rgba(110, 180, 140, 0.15); color: var(--green); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.done-icon svg { width: 30px; height: 30px; }
.done-title { font-size: 24px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.done-sub { color: var(--gray); font-size: 13px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.stat-card { background: var(--paper-deep); border-radius: 10px; padding: 18px 20px; text-align: center; }
.stat-card.success { background: rgba(110, 180, 140, 0.12); }
.stat-card.fail { background: rgba(196, 106, 90, 0.1); }
.stat-num { font-family: "Nunito", monospace; font-size: 28px; font-weight: 700; color: var(--ink); line-height: 1; }
.stat-card.success .stat-num { color: var(--green); }
.stat-card.fail .stat-num { color: var(--red); }
.stat-label { font-size: 12px; color: var(--gray); margin-top: 6px; }
.output-summary { background: var(--ink); color: var(--paper); border-radius: 10px; padding: 18px 22px; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.output-summary .path { font-family: "Nunito", monospace; font-size: 13px; color: var(--gold); word-break: break-all; }
.fail-list { margin-top: 8px; padding-left: 16px; }
.fail-list li { font-size: 12px; color: var(--ink-soft); padding: 2px 0; }

/* === 卡片底部按鈕區 === */
.card-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 56px 30px; background: var(--paper-deep);
  border-top: 1px solid rgba(0,0,0,0.05); gap: 12px;
}
.footer-tag { font-size: 12px; color: var(--gray); letter-spacing: 0.05em; }
.footer-tag .gold { color: var(--gold-deep); font-weight: 500; }
.footer-buttons { display: flex; gap: 10px; }
.btn { padding: 11px 24px; border-radius: 100px; border: none; font-size: 13px; font-weight: 500; letter-spacing: 0.05em; cursor: pointer; transition: all 0.2s ease; font-family: inherit; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.small { padding: 7px 14px; font-size: 12px; }
.btn-primary { background: var(--ink); color: var(--gold); }
.btn-primary:hover:not(:disabled) { background: var(--ink-soft); }
.btn-primary.danger { background: var(--red); color: white; }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--gray-soft); }
.btn-secondary:hover:not(:disabled) { background: white; border-color: var(--ink); }
.btn-gold { background: var(--gold); color: var(--ink); font-weight: 600; }
.btn-gold:hover:not(:disabled) { background: var(--gold-deep); color: var(--paper); }

.signoff { text-align: center; padding: 36px 0 12px; color: var(--gray); font-size: 12px; letter-spacing: 0.1em; }
.signoff .gold { color: var(--gold); }

/* === 更新提示橫幅 === */
.update-banner {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--ink); color: var(--paper);
  padding: 14px 22px; border-radius: 100px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  border: 1px solid rgba(191, 159, 90, 0.45);
  z-index: 1000; max-width: calc(100% - 48px);
  animation: bannerIn 0.35s cubic-bezier(0.34, 1.4, 0.64, 1) forwards;
}
@keyframes bannerIn {
  from { opacity: 0; transform: translate(-50%, 30px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
.update-banner .msg { font-size: 13px; line-height: 1.5; flex: 1; }
.update-banner .msg strong { color: var(--gold); font-weight: 600; }
.update-banner .actions { display: flex; gap: 8px; flex-shrink: 0; }
.update-banner button {
  padding: 7px 16px; border-radius: 100px; border: none;
  font-size: 12px; font-family: inherit; cursor: pointer;
  transition: all 0.15s ease;
}
.update-banner .btn-update { background: var(--gold); color: var(--ink); font-weight: 600; }
.update-banner .btn-update:hover { background: var(--gold-soft); }
.update-banner .btn-later { background: transparent; color: var(--gray); border: 1px solid rgba(155, 155, 155, 0.3); }
.update-banner .btn-later:hover { color: var(--paper); border-color: var(--gray); }
@media (max-width: 600px) {
  .update-banner { flex-direction: column; border-radius: 16px; left: 12px; right: 12px; transform: none; max-width: none; }
  @keyframes bannerIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* === 意見回饋 FAB === */
.feedback-fab {
  position: fixed; right: 24px; bottom: 24px;
  background: var(--gold); color: var(--ink);
  border: none; padding: 12px 20px; border-radius: 100px;
  font-family: inherit; font-size: 13px; font-weight: 600; letter-spacing: 0.05em;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  z-index: 998; transition: all 0.2s ease;
}
.feedback-fab:hover {
  background: var(--gold-deep); color: var(--paper);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.45);
}
.feedback-fab svg { stroke-width: 2; }
@media (max-width: 600px) {
  .feedback-fab { padding: 14px; right: 16px; bottom: 16px; }
  .feedback-fab-text { display: none; }
  .feedback-fab svg { width: 18px; height: 18px; }
}

/* === 意見回饋 Modal === */
.feedback-modal { position: fixed; inset: 0; z-index: 1100; display: flex; align-items: center; justify-content: center; }
.feedback-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); animation: fbFade 0.2s ease; }
@keyframes fbFade { from { opacity: 0; } to { opacity: 1; } }
.feedback-card {
  position: relative; background: var(--paper); color: var(--ink);
  border-radius: 14px; padding: 32px 36px 28px;
  max-width: 480px; width: calc(100% - 32px); max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: fbCardIn 0.25s cubic-bezier(0.34, 1.4, 0.64, 1);
}
@keyframes fbCardIn { from { opacity: 0; transform: translateY(20px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
.feedback-close {
  position: absolute; top: 12px; right: 16px;
  background: transparent; border: none; font-size: 26px;
  color: var(--gray); cursor: pointer; padding: 4px 12px;
  line-height: 1; border-radius: 50%; transition: all 0.15s ease;
  font-family: inherit;
}
.feedback-close:hover { color: var(--ink); background: rgba(0,0,0,0.05); }
.feedback-title { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.feedback-desc { font-size: 13px; color: var(--gray); margin-bottom: 18px; line-height: 1.6; }
.feedback-label {
  display: block; font-size: 13px; color: var(--ink-soft);
  margin-bottom: 6px; margin-top: 14px; font-weight: 500;
}
.feedback-label .required { color: var(--red); margin-left: 2px; }
.feedback-label .optional { color: var(--gray); font-weight: 400; font-size: 11px; }
.feedback-card textarea,
.feedback-card input[type="email"],
.captcha-row input[type="text"] {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--gray-soft); border-radius: 8px;
  background: white; font-family: inherit; font-size: 14px;
  color: var(--ink); outline: none; transition: border-color 0.2s ease;
}
.feedback-card textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.feedback-card textarea:focus,
.feedback-card input:focus { border-color: var(--gold); }
.feedback-card textarea::placeholder,
.feedback-card input::placeholder { color: var(--gray); opacity: 0.55; }

.captcha-row { display: flex; align-items: center; gap: 10px; }
.captcha-q {
  background: var(--ink); color: var(--gold);
  padding: 10px 18px; border-radius: 8px;
  font-family: "Nunito", monospace; font-size: 16px; font-weight: 600;
  min-width: 110px; text-align: center; flex-shrink: 0; user-select: none;
}
.captcha-row input[type="text"] { flex: 1; min-width: 0; }
.captcha-reload {
  background: transparent; border: 1px solid var(--gray-soft);
  color: var(--gray); width: 38px; height: 38px; border-radius: 50%;
  cursor: pointer; font-size: 16px; flex-shrink: 0;
  transition: all 0.3s ease; font-family: inherit;
}
.captcha-reload:hover { color: var(--ink); border-color: var(--ink); transform: rotate(180deg); }

.feedback-status {
  margin-top: 14px; padding: 10px 14px; border-radius: 6px;
  font-size: 13px; line-height: 1.5; white-space: pre-line;
}
.feedback-status.success { background: rgba(110, 180, 140, 0.18); color: #3d7a58; border-left: 3px solid var(--green); }
.feedback-status.error { background: rgba(196, 106, 90, 0.12); color: var(--red); border-left: 3px solid var(--red); }
.feedback-status.loading { background: rgba(191, 159, 90, 0.1); color: var(--gold-deep); border-left: 3px solid var(--gold); }

.feedback-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }
.feedback-note { font-size: 11px; color: var(--gray); margin-top: 16px; text-align: center; line-height: 1.5; }

/* === 意見回饋：截圖上傳 === */
.screenshot-upload { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.screenshot-list { display: flex; flex-wrap: wrap; gap: 8px; }
.screenshot-thumb {
  position: relative; width: 64px; height: 64px;
  border: 1px solid var(--gray-soft); border-radius: 8px;
  overflow: hidden; background: var(--paper-deep);
}
.screenshot-thumb img { width: 100%; height: 100%; object-fit: cover; }
.screenshot-thumb-remove {
  position: absolute; top: 2px; right: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(44,44,44,0.85); color: white;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; line-height: 1; padding: 0;
  transition: background 0.15s ease; font-family: inherit;
}
.screenshot-thumb-remove:hover { background: var(--red); }
.screenshot-add {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border: 1px dashed var(--gray-soft);
  background: transparent; color: var(--gray);
  border-radius: 8px; cursor: pointer; font-family: inherit;
  font-size: 12px; transition: all 0.15s ease; height: 64px;
}
.screenshot-add:hover { color: var(--ink); border-color: var(--gold); border-style: solid; background: rgba(191, 159, 90, 0.05); }
.screenshot-add:disabled { opacity: 0.4; cursor: not-allowed; }
.screenshot-count { color: var(--gray); font-size: 11px; }

@media (max-width: 600px) {
  .feedback-card { padding: 24px 22px 20px; max-height: 85vh; }
  .captcha-row { flex-wrap: wrap; }
  .captcha-q { width: 100%; }
  .screenshot-thumb { width: 56px; height: 56px; }
  .screenshot-add { height: 56px; }
}

.hint-note { background: rgba(191, 159, 90, 0.08); border-left: 3px solid var(--gold); padding: 12px 16px; border-radius: 6px; font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; margin-top: auto; }
.hint-note strong { color: var(--gold-deep); }

/* === 響應式 === */
@media (max-width: 760px) {
  .card-inner { padding: 28px 24px; }
  .card-footer { padding: 18px 24px 22px; flex-wrap: wrap; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .form-row.full { grid-column: span 1; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .processing-head { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .output-summary { flex-direction: column; align-items: flex-start; }
  .stepnav-divider { display: none; }
  .topbar { flex-direction: column; gap: 8px; align-items: flex-start; }
  .rename-fields { grid-template-columns: 1fr; }
  .rename-fields .form-row.full { grid-column: span 1; }
}