/* ================================================
   清理程序 — 独立页面主题
   ================================================ */

:root {
  --color-primary: #5b9ea6;
  --color-primary-light: #7ab5bc;
  --color-primary-dark: #457b82;
  --color-primary-rgb: 91, 158, 166;
  --color-bg: #f7fafb;
  --color-bg-alt: #edf4f5;
  --color-border: #d8e5e8;
  --color-text: #243438;
  --color-text-secondary: #5d7175;
  --color-text-muted: #8fa3a8;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --font-serif: "Songti SC", "STSongti", "SimSun", serif;
}

/* ================================================
   Sticky Bar
   ================================================ */
.cu-sticky {
  display: none;
  position: fixed;
  top: 64px;
  left: 0; right: 0;
  z-index: 200;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.cu-sticky-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  min-height: var(--touch-target);
}
.cu-sticky-label { font-size: 1rem; flex-shrink: 0; white-space: nowrap; }
.cu-sticky-name {
  flex: 1; min-width: 0;
  font-size: 0.95rem; font-weight: 500;
  color: var(--color-text); line-height: 1.4;
}

/* ================================================
   Hero
   ================================================ */
.cu-hero {
  padding: 128px 0 var(--space-10);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2);
}
.cu-hero-hint {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}

/* State A: no person — input + start */
.cu-new-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
}
.cu-name-input-hero {
  flex: 1; min-width: 0;
  border: none;
  border-bottom: 2px solid var(--color-border);
  background: transparent;
  font-size: 1.25rem; font-weight: 500;
  color: var(--color-text);
  outline: none;
  padding: var(--space-2) 0;
  transition: border-color .2s;
}
.cu-name-input-hero:focus { border-bottom-color: var(--color-primary); }
.cu-name-input-hero::placeholder { color: var(--color-border); font-weight: 400; }

.cu-start-btn {
  flex-shrink: 0;
  padding: 0 var(--space-5);
  height: 44px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), .28);
  transition: box-shadow .2s, transform .15s;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .cu-start-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), .36); }
}

/* Existing person quick-pick */
.cu-hero-existing {
  margin-top: var(--space-6);
  display: flex; flex-wrap: wrap;
  align-items: center; gap: var(--space-2);
}
.cu-hero-existing-label {
  width: 100%;
  font-size: 0.78rem; color: var(--color-text-muted);
  margin: 0 0 var(--space-1); letter-spacing: .03em;
}
.cu-hero-existing-item {
  padding: var(--space-2) var(--space-4);
  border-radius: 99px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
  max-width: 280px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .cu-hero-existing-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), .04);
  }
}

/* State B: person selected */
.cu-hero-chip-row {
  display: flex; align-items: center; gap: var(--space-4);
}
.cu-hero-chip-text {
  flex: 1; min-width: 0;
  font-size: 1.25rem; font-weight: 500;
  color: var(--color-text); line-height: 1.5;
}
.cu-hero-face-hint {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-style: italic;
  margin-top: var(--space-2);
  opacity: 0.85;
}
.cu-switch-btn {
  flex-shrink: 0;
  padding: 0 var(--space-4);
  height: var(--touch-target);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  font-size: 0.88rem; font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer; white-space: nowrap;
  transition: border-color .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .cu-switch-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
}

/* ================================================
   Mode Toggle
   ================================================ */
.cu-mode-bar {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4) 0 0;
}
.cu-mode-pill {
  padding: var(--space-2) var(--space-4);
  border-radius: 99px;
  border: 1.5px solid var(--color-border);
  background: none;
  font-size: 0.85rem; font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all .2s;
  -webkit-tap-highlight-color: transparent;
  min-height: var(--touch-target-sm);
  display: inline-flex; align-items: center;
}
.cu-mode-pill.active {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), .1);
  color: var(--color-primary);
  font-weight: 600;
}
@media (hover: hover) {
  .cu-mode-pill:not(.active):hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }
}
.cu-fifth-way-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-primary);
  background: rgba(91,158,166,.15);
  border-radius: 50%;
  vertical-align: middle;
  transition: background .15s;
}
@media (hover: hover) {
  .cu-fifth-way-link:hover { background: rgba(91,158,166,.3); }
}

/* ================================================
   Pre-Release Checklist
   ================================================ */
.cu-pre-section {
  padding: var(--space-4) 0 var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.cu-pre-header {
  display: flex; align-items: center; gap: var(--space-2);
  cursor: pointer; user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-3);
  margin-left: calc(-1 * var(--space-3));
  margin-right: calc(-1 * var(--space-3));
  border-radius: var(--radius-sm);
}
@media (hover: hover) {
  .cu-pre-header:hover { background: rgba(var(--color-primary-rgb), .06); }
}
.cu-pre-title {
  font-size: 0.88rem; font-weight: 600;
  color: var(--color-text-muted);
}
.cu-pre-arrow {
  font-size: 1rem; line-height: 1;
  color: var(--color-text-muted);
  flex-shrink: 0;
  display: inline-flex; align-items: center;
  transition: transform var(--transition);
  margin-left: auto;
}
.cu-pre-section.open .cu-pre-arrow { transform: rotate(90deg); }
.cu-pre-body {
  display: none;
  padding: var(--space-2) 0 var(--space-3);
}
.cu-pre-section.open .cu-pre-body { display: block; }
.cu-pre-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-2) 0;
  min-height: var(--touch-target-sm);
}
.cu-pre-check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  color: transparent;
  transition: all .2s;
  margin-top: 2px;
  -webkit-tap-highlight-color: transparent;
}
.cu-pre-check.checked {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), .12);
  color: var(--color-primary);
}
.cu-pre-text {
  font-size: 0.88rem; color: var(--color-text);
  line-height: 1.5;
}
.cu-pre-detail {
  font-size: 0.78rem; color: var(--color-text-muted);
  font-style: italic; margin-top: 2px;
}

/* ================================================
   Worksheet Sections (Cards)
   ================================================ */
.cu-worksheet {
  padding-top: var(--space-4);
  padding-bottom: var(--space-20);
}
.cu-section {
  padding: var(--space-5) 0;
}
.cu-section-divider {
  border-top: 1px solid var(--color-border);
}
.cu-section.cu-collapsed .cu-section-body { display: none; }
.cu-section:not(.cu-collapsed) .cu-section-preview { display: none; }
.cu-section-preview:empty { display: none; }

.cu-section-header {
  display: flex; align-items: center; gap: var(--space-2);
  cursor: pointer; user-select: none;
  -webkit-tap-highlight-color: transparent;
  margin-bottom: var(--space-2);
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-3);
  margin-left: calc(-1 * var(--space-3));
  margin-right: calc(-1 * var(--space-3));
  border-radius: var(--radius-sm);
}
@media (hover: hover) {
  .cu-section-header:hover { background: rgba(var(--color-primary-rgb), .06); }
}
.cu-section.cu-collapsed .cu-section-header { margin-bottom: 0; }
.cu-card-icon { font-size: 1.05rem; flex-shrink: 0; }
.cu-card-title {
  font-size: 0.95rem; font-weight: 600;
  color: var(--color-text);
}
.cu-card-check-badge {
  font-size: 0.75rem;
  color: #27ae60;
  margin-left: var(--space-1);
}
.cu-spacer { flex: 1; }
.cu-collapse-arrow {
  font-size: 1rem; line-height: 1;
  color: var(--color-text-muted);
  flex-shrink: 0;
  display: inline-flex; align-items: center;
  transition: transform var(--transition);
}
.cu-section:not(.cu-collapsed) .cu-collapse-arrow { transform: rotate(90deg); }

/* Collapsed preview */
.cu-section-preview {
  padding-left: calc(var(--space-4) + 1.4rem);
  display: flex; flex-direction: column;
  gap: var(--space-1);
}
.cu-preview-item {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Sub-question blocks */
.cu-sub-block {
  padding-bottom: var(--space-2);
}
.cu-sub-block-divider {
  border-top: 1px dashed var(--color-border);
  margin: var(--space-5) 0 var(--space-4);
}
.cu-sub-block-label {
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--color-primary); opacity: 0.8;
  margin: 0 0 var(--space-2);
}
.cu-sub-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.55;
  margin: calc(-1 * var(--space-1)) 0 var(--space-3);
  opacity: 0.85;
}
.cu-release-hint {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-style: italic; opacity: 0.75;
  line-height: 1.5;
  margin: 0 0 var(--space-2);
}

/* Items list */
.cu-items-list {
  display: flex; flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.cu-item {
  display: flex; flex-wrap: wrap;
  align-items: center; gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  transition: opacity .2s;
}
.cu-item:last-child { border-bottom: none; }
.cu-item.released { opacity: 0.5; }
.cu-item.released .cu-item-text {
  text-decoration: line-through;
  color: var(--color-text-muted);
}
.cu-item-text {
  flex: 1; min-width: 140px;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.45;
}

/* Action buttons */
.cu-item-actions {
  display: flex; align-items: center;
  gap: 4px; flex-shrink: 0;
}
.cu-btn-release,
.cu-btn-done,
.cu-item-del {
  height: 32px; min-height: 32px;
  padding: 0 10px;
  font-size: 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer; white-space: nowrap;
  transition: all .15s;
  line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
}
.cu-btn-done {
  padding: 0 8px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.cu-btn-done.active {
  background: rgba(39,174,96,.12);
  color: #27ae60;
  border-color: #27ae60;
  font-weight: 700;
}
.cu-item-del {
  width: 28px; padding: 0;
  font-size: 0.75rem;
}
@media (hover: hover) {
  .cu-btn-release:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), .08);
  }
  .cu-btn-done:not(.active):hover { border-color: #27ae60; color: #27ae60; }
  .cu-item-del:hover {
    border-color: #e74c3c; color: #e74c3c;
    background: rgba(231,76,60,.06);
  }
}

/* Released sub-section */
.cu-released-section {
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}
.cu-released-toggle {
  display: flex; align-items: center; gap: var(--space-2);
  background: none; border: none; cursor: pointer;
  padding: 0; font-size: 0.82rem;
  color: var(--color-text-muted);
  -webkit-tap-highlight-color: transparent;
  min-height: var(--touch-target-sm);
}
.cu-released-arrow {
  display: inline-flex; align-items: center;
  font-size: 0.85rem;
  transition: transform var(--transition);
}
.cu-released-arrow.open { transform: rotate(90deg); }
.cu-released-list {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-2);
  padding-left: var(--space-2);
}
.cu-released-list.open { display: flex; }

/* Add item row */
.cu-add-item-row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.cu-add-btn {
  flex-shrink: 0;
  width: var(--touch-target); height: var(--touch-target);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .cu-add-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), .06);
  }
}
.cu-item-input {
  flex: 1;
  min-height: var(--touch-target);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none; resize: none; overflow: hidden;
  line-height: 1.5;
  transition: border-color .15s;
}
.cu-item-input:focus { border-color: var(--color-primary); }

/* ================================================
   Check Question (completion check per section)
   ================================================ */
.cu-check-row {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(var(--color-primary-rgb), .04);
  border: 1px solid rgba(var(--color-primary-rgb), .12);
  display: flex; align-items: flex-start; gap: var(--space-3);
}
.cu-check-toggle {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: transparent;
  transition: all .2s;
  margin-top: 1px;
  -webkit-tap-highlight-color: transparent;
}
.cu-check-toggle.checked {
  border-color: #27ae60;
  background: rgba(39,174,96,.12);
  color: #27ae60;
}
.cu-check-content { flex: 1; min-width: 0; }
.cu-check-question {
  font-size: 0.9rem; font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0 0 var(--space-1);
}
.cu-check-hint-text {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.5;
}

/* ================================================
   Final Check Section
   ================================================ */
.cu-final-check {
  margin-top: var(--space-8);
  padding: var(--space-6);
  text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), .06), rgba(var(--color-primary-rgb), .02));
  border: 1px solid rgba(var(--color-primary-rgb), .15);
}
.cu-final-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}
.cu-final-text {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto;
}
.cu-final-complete {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  background: rgba(39,174,96,.1);
  border: 1px solid rgba(39,174,96,.25);
  color: #27ae60;
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-block;
}

/* ================================================
   Person Picker Modal
   ================================================ */
.cu-picker-backdrop {
  position: fixed; inset: 0;
  z-index: 12000;
  background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  opacity: 0; transition: opacity .2s ease;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.cu-picker-backdrop.open { opacity: 1; }
.cu-picker-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 480px; max-height: 80vh;
  display: flex; flex-direction: column;
  overflow: hidden;
  transform: translateY(12px);
  transition: transform .2s ease;
}
.cu-picker-backdrop.open .cu-picker-panel { transform: translateY(0); }
.cu-picker-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.cu-picker-title {
  font-size: 1rem; font-weight: 600;
  color: var(--color-text);
}
.cu-picker-close {
  width: var(--touch-target); height: var(--touch-target);
  display: flex; align-items: center; justify-content: center;
  border: none; background: none;
  font-size: 1rem; color: var(--color-text-muted);
  cursor: pointer; border-radius: 50%;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s;
}
@media (hover: hover) {
  .cu-picker-close:hover { background: var(--color-bg-alt); }
}
.cu-picker-new {
  display: flex; gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.cu-picker-input {
  flex: 1; min-width: 0;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  outline: none; transition: border-color .2s;
}
.cu-picker-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), .1); }
.cu-picker-input::placeholder { color: var(--color-text-muted); }
.cu-picker-create-btn {
  flex-shrink: 0;
  padding: 0 var(--space-4);
  height: 40px;
  border: none; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  font-size: 0.88rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: opacity .15s;
}
@media (hover: hover) { .cu-picker-create-btn:hover { opacity: .88; } }
.cu-picker-existing {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  flex: 1;
  padding: var(--space-3) 0;
}
.cu-picker-existing::-webkit-scrollbar { width: 4px; }
.cu-picker-existing::-webkit-scrollbar-thumb {
  background: rgba(var(--color-primary-rgb), .15);
  border-radius: 99px;
}
.cu-picker-existing-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  padding: 0 var(--space-5) var(--space-2);
}
.cu-picker-row {
  display: flex; align-items: center;
  padding: 0 var(--space-3) 0 var(--space-5);
  gap: var(--space-1);
  min-height: var(--touch-target);
}
.cu-picker-item {
  flex: 1; min-width: 0; text-align: left;
  border: none; background: none;
  padding: var(--space-2) 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.5; cursor: pointer;
  transition: color .15s;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cu-picker-item.active {
  color: var(--color-primary);
  font-weight: 600;
}
@media (hover: hover) {
  .cu-picker-item:hover { color: var(--color-text); }
  .cu-picker-item.active:hover { color: var(--color-primary-dark); }
}
.cu-picker-delete {
  width: var(--touch-target-sm); height: var(--touch-target-sm);
  display: flex; align-items: center; justify-content: center;
  border: none; background: none;
  font-size: 1rem; color: var(--color-text-muted);
  cursor: pointer; border-radius: 50%;
  opacity: 0;
  transition: opacity .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .cu-picker-row:hover .cu-picker-delete { opacity: 1; color: var(--color-text); }
}
@media (max-width: 480px) {
  .cu-picker-delete { opacity: 0.6; }
}

/* ================================================
   Context banner in release dialog
   ================================================ */
.cu-context-banner {
  background: rgba(var(--color-primary-rgb), .1);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
  line-height: 1.5;
}

/* ================================================
   Mobile
   ================================================ */
@media (max-width: 480px) {
  .cu-hero { padding-top: 100px; padding-bottom: var(--space-8); }
  .cu-name-input-hero { font-size: 1.05rem; }
  .cu-item { flex-wrap: nowrap; padding: var(--space-2) 0; align-items: center; }
  .cu-item-text { flex: 1; min-width: 0; }
  .cu-btn-release { font-size: 0.75rem; padding: 0 8px; }
  .cu-sticky-label { display: none; }
  .cu-picker-panel { border-radius: var(--radius-lg) var(--radius-lg) 0 0; align-self: flex-end; max-height: 85vh; }
  .cu-picker-backdrop { align-items: flex-end; padding: 0; }
  .cu-check-row { padding: var(--space-3); }
}