/* 主页 2.0：三区布局 + 工作台双栏 */
.home-v2 {
  --zone-work-bg: color-mix(in srgb, var(--paper) 94%, var(--lime) 6%);
  --workbench-gap: clamp(20px, 3vw, 32px);
  --sticky-top: 76px;
}

.head-engine-badge {
  max-width: min(100%, 16rem);
}

/* Zone 分隔 */
.zone {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.zone--work {
  padding-bottom: 8px;
}

.zone--community {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.zone--guide {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

/* 引擎 Tab：横向滚动 + 左侧色条 */
.engine-tabs--scroll {
  margin-bottom: 20px;
}

.home-v2 .engine-tab {
  border-left: 3px solid transparent;
}

.home-v2 .engine-tab.is-active {
  border-left-color: var(--lime);
}

@media (max-width: 640px) {
  .engine-tabs--scroll {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    margin-bottom: 14px;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .engine-tabs--scroll .engine-tab {
    flex: 0 0 auto;
    width: clamp(108px, 36vw, 140px);
    padding: 9px 10px;
    gap: 2px;
    scroll-snap-align: start;
  }

  .engine-tabs--scroll .engine-tab__title {
    font-size: 0.82rem;
    line-height: 1.25;
    padding-right: 0;
  }

  .engine-tabs--scroll .engine-tab__sub {
    font-size: 0.62rem;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .engine-tabs--scroll .engine-tab__tag {
    top: 6px;
    right: 6px;
    font-size: 0.48rem;
    padding: 1px 4px;
  }

  .engine-tabs--scroll #tab-mvsep .engine-tab__title {
    padding-right: 2.2em;
  }
}

/* 工作台网格：桌面双栏，移动单列 */
.workbench-zone {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
  grid-template-areas:
    "tabs tabs"
    "main side";
  gap: var(--workbench-gap);
  align-items: start;
}

.engine-tabs--scroll {
  grid-area: tabs;
}

.workbench-main {
  grid-area: main;
  min-width: 0;
}

.workbench-side {
  grid-area: side;
  position: sticky;
  top: var(--sticky-top);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  align-self: start;
}

.workbench-aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.pickup-block {
  border-left: 3px solid var(--ice);
}

/* MIDI 扒谱：本地嵌入，无需右侧状态/口令/画廊侧栏 */
.content.is-midi-mode .workbench-zone {
  grid-template-columns: 1fr;
  grid-template-areas:
    "tabs"
    "main";
}

.content.is-midi-mode .workbench-side {
  display: none;
}

.rail-card {
  background: var(--zone-work-bg);
  border: 1px solid var(--line);
  padding: 16px 18px;
}

.rail-card--status .rail-est {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.rail-est-note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--dim);
}

.rail-card--gallery .rail-gallery-lead {
  margin: 0 0 12px;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--mist);
}

.rail-gallery-link {
  display: inline-block;
  width: 100%;
  text-align: center;
}

.pickup-block h2 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.pickup-lead--compact {
  font-size: 0.82rem;
  margin-bottom: 12px;
}

/* 上传区强化 */
.home-v2 .dropzone {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-v2 #task-card .bar-box {
  height: 10px;
}

.home-v2 .passphrase-code {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.home-v2 #task-card.is-active {
  border-color: color-mix(in srgb, var(--lime) 45%, var(--line));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--lime) 25%, transparent);
}

/* Zone B 画廊预览 */
.gallery-entry-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.gallery-entry-head h2 {
  margin: 0 0 6px;
}

.gallery-entry-head .pickup-lead {
  margin: 0;
}

.gallery-preview {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.gallery-preview__loading,
.gallery-preview__empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--dim);
}

.gallery-preview-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gallery-preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  color: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.gallery-preview-row:hover {
  border-color: var(--dim);
  background: color-mix(in srgb, var(--lime) 5%, var(--paper));
}

.gallery-preview-row__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gallery-preview-row__side {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--dim);
}

.gallery-preview-row .gallery-badge {
  font-size: 0.58rem;
  padding: 1px 6px;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.gallery-preview-row .gallery-row__engine {
  font-size: 0.62rem;
  opacity: 0.85;
}

/* Zone C 指南 Tab */
.guide-head h2 {
  margin: 0 0 4px;
}

.guide-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.guide-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--mist);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.guide-tab:hover {
  border-color: var(--dim);
  color: var(--text);
}

.guide-tab.is-active {
  border-color: var(--lime);
  color: var(--text);
  background: color-mix(in srgb, var(--lime) 8%, var(--paper));
}

.section-bar--nested {
  margin-bottom: 14px;
}

.section-bar--nested h3,
.guide-panel .howto h3,
.guide-panel .faq h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.guide-panel .howto,
.guide-panel .faq {
  margin-bottom: 0;
}

/* 移动端：单列布局，口令取回置于画廊上方 */
@media (max-width: 959px) {
  .workbench-zone {
    grid-template-columns: 1fr;
    grid-template-areas:
      "tabs"
      "main"
      "pickup";
    gap: 20px;
  }

  .workbench-side {
    display: contents;
  }

  .workbench-aside {
    display: none;
  }

  .pickup-block {
    grid-area: pickup;
  }

  .head-engine-badge {
    display: none;
  }

  .pickup-block {
    position: static;
    margin-top: 4px;
    padding: 20px 18px;
    border: 2px solid color-mix(in srgb, var(--ice) 45%, var(--line));
    border-left: 4px solid var(--ice);
    background: linear-gradient(
      145deg,
      color-mix(in srgb, var(--paper) 88%, var(--ice) 12%),
      color-mix(in srgb, var(--ink) 92%, var(--paper) 8%)
    );
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--ice) 12%, transparent);
  }

  .pickup-block .mono-label {
    color: var(--ice);
  }

  .pickup-block h2 {
    font-size: 1.15rem;
  }

  .zone--work {
    margin-bottom: 20px;
    padding-bottom: 0;
  }

  .zone--community {
    border-top: none;
    padding-top: 0;
  }

  .home-v2 .dropzone {
    min-height: 180px;
  }
}

@media (max-width: 720px) {
  .home-v2,
  .gallery-v2 {
    --sticky-top: 64px;
  }

  .home-v2 .head-r,
  .gallery-v2 .head-r {
    gap: 10px 14px;
  }

  .gallery-entry-head {
    flex-direction: column;
  }

  .gallery-entry-head .gallery-entry-btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .guide-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }

  .guide-tab {
    padding: 8px 6px;
    text-align: center;
    font-size: 0.65rem;
  }
}

/* 画廊列表：移动端上下布局，避免状态标签遮挡文件名 */
@media (max-width: 640px) {
  .gallery-preview-row,
  body.gallery-v2 .gallery-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px 10px;
  }

  .gallery-preview-row__name,
  body.gallery-v2 .gallery-row__main {
    width: 100%;
    max-width: 100%;
  }

  body.gallery-v2 .gallery-row__name {
    font-size: 0.92rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body.gallery-v2 .gallery-row__sub {
    max-width: 100%;
  }

  .gallery-preview-row__side,
  body.gallery-v2 .gallery-row__side {
    align-self: flex-end;
    flex-wrap: nowrap;
    gap: 6px;
  }

  body.gallery-v2 .gallery-row .gallery-badge {
    font-size: 0.58rem;
    padding: 1px 6px;
    letter-spacing: 0.04em;
    line-height: 1.35;
  }

  body.gallery-v2 .gallery-row .gallery-row__engine {
    font-size: 0.62rem;
  }
}

/* 画廊页 2.0 间距对齐 */
body.gallery-v2 .content {
  padding-top: clamp(20px, 3vw, 36px);
}

body.gallery-v2 .gallery-page {
  border-left: 3px solid var(--hot);
}

body.gallery-v2 .gallery-row {
  transition: border-color 0.15s, transform 0.15s;
}

body.gallery-v2 .gallery-row:hover {
  border-color: var(--lime);
  transform: translateX(2px);
}

body.gallery-v2 .gallery-pager {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

@media (prefers-reduced-motion: reduce) {
  .gallery-preview-row,
  .guide-tab,
  .head-pickup-toggle,
  body.gallery-v2 .gallery-row {
    transition: none;
  }

  body.gallery-v2 .gallery-row:hover {
    transform: none;
  }
}

/* Compact target-speaker controls, matching existing upload buttons. */
.voice-options { margin: 0 24px 24px; padding: 24px; border: 1px solid #42482a; border-radius: 12px; background: #15170f; }
.voice-options .btn-go { font-size: 16px; padding: 12px 22px; margin-right: 18px; }
#voice-reference-name { overflow-wrap: anywhere; color: #d0d8b2; }
.voice-checks { display: flex; flex-wrap: wrap; gap: 18px; margin: 24px 0 12px; }
.voice-checks label { display: flex; align-items: center; gap: 7px; cursor: pointer; }
.voice-checks input { accent-color: #cff34b; }
.voice-options .hint { margin-bottom: 0; line-height: 1.7; }

@media (min-width: 1000px) { .engine-tabs--scroll { grid-template-columns: repeat(6, minmax(0, 1fr)); } }