:root {
  color-scheme: dark;
  --bg: #0f1115;
  --card: #171a21;
  --line: #262b36;
  --text: #e8ecf3;
  --muted: #8d97a8;
  --accent: #4c8dff;
  --ok: #35c47a;
  --warn: #e2b341;
  --err: #e05a5a;
  /* 细节色也走变量，切浅色主题时才能一起变 */
  --sunken: #0d0f14;
  --btn: #232838;
  --bar: #11131a;
  --track-line: #1e222b;
  --topbar: rgba(15, 17, 21, 0.92);
  --overlay: rgba(6, 8, 12, 0.72);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

/* 主题优先级：手动 data-theme > 系统偏好;默认深色 */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f5f6f8;
    --card: #ffffff;
    --line: #dfe3ea;
    --text: #1b1f27;
    --muted: #5f6b7c;
    --accent: #2f6fed;
    --ok: #12a150;
    --warn: #b7791f;
    --err: #cf3b3b;
    --sunken: #eef1f5;
    --btn: #eef1f6;
    --bar: #e6eaf0;
    --track-line: #e8ebf0;
    --topbar: rgba(245, 246, 248, 0.92);
    --overlay: rgba(20, 24, 32, 0.45);
    --shadow: 0 8px 24px rgba(20, 30, 50, 0.12);
  }
}

/* 手动指定浅色（系统是深色时也生效） */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #dfe3ea;
  --text: #1b1f27;
  --muted: #5f6b7c;
  --accent: #2f6fed;
  --ok: #12a150;
  --warn: #b7791f;
  --err: #cf3b3b;
  --sunken: #eef1f5;
  --btn: #eef1f6;
  --bar: #e6eaf0;
  --track-line: #e8ebf0;
  --topbar: rgba(245, 246, 248, 0.92);
  --overlay: rgba(20, 24, 32, 0.45);
  --shadow: 0 8px 24px rgba(20, 30, 50, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  /* 轻微渐变背景 + 更顺滑的字距 */
  background-image: radial-gradient(1200px 600px at 15% -10%,
    color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%);
  background-attachment: fixed;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* 卡片：更柔和的阴影、悬浮抬起、进入动画 */
.card {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  animation: card-in .32s ease both;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
@keyframes card-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 标题左侧加一条强调色，层级更清楚 */
.card h2 { display: flex; align-items: center; gap: 8px; }
.card h2::before {
  content: ""; width: 4px; height: 20px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--ok));
}
.card h3 { font-size: 15px; margin: 14px 0 6px; color: var(--text); }

/* 表单控件统一过渡 */
input, select, button, textarea { transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .12s ease; }
input:focus-visible, select:focus-visible {
  outline: none; border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
button:hover:not(:disabled) { transform: translateY(-1px); }
button:active:not(:disabled) { transform: translateY(0); }

/* 进度条：流动高光 */
.bar > i {
  background: linear-gradient(90deg, var(--accent), var(--ok), var(--accent));
  background-size: 200% 100%;
  animation: bar-flow 1.6s linear infinite;
}
@keyframes bar-flow { from { background-position: 0 0; } to { background-position: 200% 0; } }

/* 任务列表：跑起来的任务用斜纹滚动，进度变化带缓动；进度未知时来回扫 */
.bar { height: 8px; }
.bar > i { transition: width .6s cubic-bezier(.4, 0, .2, 1); }
.job:has(.badge.running) .bar > i,
.job:has(.badge.packaging) .bar > i,
.job:has(.badge.convert) .bar > i {
  background-image:
    repeating-linear-gradient(115deg, rgba(255, 255, 255, .3) 0 7px, transparent 7px 14px),
    linear-gradient(90deg, var(--accent), var(--ok), var(--accent));
  background-size: 28px 100%, 200% 100%;
  animation: bar-flow 1.6s linear infinite, bar-stripes .8s linear infinite;
}
@keyframes bar-stripes {
  from { background-position: 0 0, 0 0; }
  to { background-position: 28px 0, 200% 0; }
}
.bar.indet > i { animation: bar-indet 1.5s ease-in-out infinite; }
@keyframes bar-indet {
  0% { width: 10%; margin-left: 0; }
  50% { width: 45%; margin-left: 30%; }
  100% { width: 10%; margin-left: 88%; }
}

/* 解析结果淡入 */
#inspect-result, #precheck-info, #jobs { animation: fade-in .25s ease both; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* 任务卡：左侧状态色条 */
.job { border-left: 3px solid var(--line); transition: border-color .2s ease, transform .2s ease; }
.job:hover { border-left-color: var(--accent); }
.job:has(.badge.done) { border-left-color: var(--ok); }
.job:has(.badge.failed) { border-left-color: var(--err); }

/* 表格/网格更松一点 */
.grid { gap: 16px 22px; }
.hint { margin-top: 6px; }
details > summary { cursor: pointer; user-select: none; }
details[open] > summary { color: var(--text); }

/* ---------------- 第二版：更精致的排版细节 ---------------- */

/* 主按钮：细腻渐变 + 内外高光 */
button.primary {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 88%, #fff 12%), var(--accent));
  border-color: color-mix(in srgb, var(--accent) 75%, #000 25%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .18) inset, 0 6px 16px color-mix(in srgb, var(--accent) 28%, transparent);
}
button.primary:hover:not(:disabled) { filter: brightness(1.06); }
button.ghost { background: color-mix(in srgb, var(--card) 60%, transparent); }
button:disabled { filter: saturate(.35); }

/* 下载方式：两张并排的「选择卡」，选中态一眼可见（强调色描边 + 光晕 + 勾选角标） */
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mode-switch .mode-card {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 14px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--card) 92%, transparent), var(--card));
  cursor: pointer; overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.mode-switch .mode-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.mode-switch .mode-title { font-size: 15px; font-weight: 600; color: var(--text); padding-right: 26px; }
.mode-switch .mode-sub { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.mode-switch .mode-card:has(input:checked) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent),
              0 8px 22px color-mix(in srgb, var(--accent) 16%, transparent);
}
.mode-switch .mode-card:has(input:checked)::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--ok));
}
.mode-switch .mode-card:has(input:checked)::after {
  content: "✓"; position: absolute; top: 10px; right: 12px;
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
  color: #fff; background: var(--accent);
  animation: pop-in .22s ease both;
}
@keyframes pop-in { from { transform: scale(.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.mode-switch input { position: absolute; opacity: 0; pointer-events: none; }

/* 下拉选择框：自绘箭头 + 悬浮/聚焦动效 */
select {
  appearance: none; -webkit-appearance: none;
  padding-right: 34px !important;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% + 1px), calc(100% - 13px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  color: var(--text);
}
select:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
select:focus { transform: translateY(-1px); }
option { background: var(--card); color: var(--text); }

/* 主题切换固定在右上角 */
.topbar { position: sticky; }
.topbar > .brand { margin-right: auto; }

/* 整体节奏：卡片间距、标题与内容的呼吸感 */
main > .card + .card { margin-top: 14px; }
.card { padding: 18px 20px; }
.card h2 { margin: 0 0 14px; font-size: 19px; }
.card .row + .row { margin-top: 8px; }
.grid { align-items: start; }
.card .row > button { min-width: 96px; }

/* 输入框：内阴影 + 更柔和的边框 */
input, select {
  background: var(--sunken);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .18) inset;
}
input::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }

/* 曲目行：斑马纹 + 悬浮高亮，长列表更好读 */
.track:nth-child(odd) { background: color-mix(in srgb, var(--card) 55%, transparent); }
.track:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }

/* 滚动条：纤细、跟随主题 */
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 9px; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--accent) 45%, var(--line)); }

/* 顶栏：轻微玻璃感 */
.topbar { backdrop-filter: saturate(140%) blur(8px); }

/* 说明文字行距与对比度微调，长文案更好读 */
.hint, .muted { line-height: 1.65; }
.hint b, .muted b { color: var(--text); font-weight: 600; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--topbar);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.brand { font-weight: 600; letter-spacing: 0.3px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.engine {
  color: var(--muted); font-size: 13px;
  max-width: 62vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.engine.ok { color: var(--ok); }
.engine.err { color: var(--err); }

main { max-width: 980px; margin: 0 auto; padding: 18px 16px 60px; display: grid; gap: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}

.card h2 { margin: 0 0 14px; font-size: 19px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 10px; }

input[type=text], input[type=password], input:not([type]), input#key-input, input#url-input,
input#filename-template, input#buyer-id, input#buyer-pw, input#buyer-code, select {
  background: var(--sunken);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 9px;
  padding: 9px 11px;
  min-width: 180px;
  flex: 1;
}

/* 密码框 + 小眼睛 */
.pw-wrap { position: relative; display: inline-flex; flex: 1; min-width: 180px; }
.pw-wrap input { width: 100%; padding-right: 38px; }
.pw-eye {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 2px 6px;
  font-size: 15px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
}
.pw-eye:hover { color: var(--text); }
.pw-eye.on { color: var(--accent); }
.dl-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px;
  background: var(--accent); color: #fff; border-radius: 9px;
  text-decoration: none; font-size: 13.5px; font-weight: 500;
}
.dl-btn:hover { filter: brightness(1.08); }
.inspect-specs { margin: 4px 0 2px; line-height: 1.7; }
.track-row { cursor: pointer; }
.track-row:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.track-detail {
  border-left: 2px solid var(--line); margin: 0 0 6px 10px; padding: 6px 0 6px 10px;
  font-size: 13px; color: var(--muted); line-height: 1.7;
}
.codec-list { margin: 2px 0 2px 18px; padding: 0; }
.track-line { border-bottom: 1px solid var(--track-line); }
.track-line .track { border-bottom: none; }
.warn-text { color: var(--err); font-size: 13px; }

/* 曲目行下方的音质说明：ok=普通提示、below=未达全局标准（红）、warn=没做逐曲解析（橙） */
.track-q {
  font-size: 12px; line-height: 1.6; padding: 0 10px 6px 40px;
  color: var(--muted);
}
.track-q:empty { display: none; }
.track-q.ok { color: var(--muted); }
.track-q.below { color: var(--err); font-weight: 500; }
.track-q.warn { color: var(--warn); }

/* 曲目行：音质说明 + 按曲音质选择 */
.track-q-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 0 10px 6px 40px;
}
.track-q-row .track-q { padding: 0; flex: 1 1 260px; min-width: 0; }
.track-codec {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted); white-space: nowrap;
}
.track-codec select {
  padding: 4px 8px; font-size: 12.5px; border-radius: 8px;
  background: var(--sunken); border: 1px solid var(--line); color: var(--text);
}
.track-codec:has(select option:checked:not([value=""])) select {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
}

/* 图形验证码 */
.captcha-wrap { display: inline-flex; align-items: center; gap: 6px; }
.pw-eye { display: inline-flex; align-items: center; justify-content: center; padding: 6px 8px;
  color: var(--muted); background: transparent; border-color: var(--line); }
.pw-eye:hover { color: var(--text); }
.pw-eye.on { color: var(--accent); }
.captcha-wrap img {
  height: 40px;
  width: 120px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--sunken);
  cursor: pointer;
}
/* Altcha v3 自托管人机验证（PoW）；变量名以 v3 默认主题为准，颜色对齐页面深色风格。
   注意 base 与 base-content 要成对覆盖：默认主题用 light-dark() 跟随系统，只改背景会出现深底深字。 */
altcha-widget.altcha-box {
  --altcha-max-width: 240px;
  --altcha-border-width: 1px;
  --altcha-border-color: var(--line);
  --altcha-border-radius: 8px;
  --altcha-padding: 0.5rem;
  --altcha-color-base: var(--sunken);
  --altcha-color-base-content: var(--text);
  --altcha-color-neutral: var(--btn);
  --altcha-color-neutral-content: var(--text);
  --altcha-color-primary: var(--ok);
  --altcha-color-primary-content: #04170d;
  --altcha-color-success: var(--ok);
  --altcha-color-success-content: #04170d;
  --altcha-color-error: var(--err);
  --altcha-color-error-content: #fff;
  --altcha-checkbox-border-color: var(--line);
}
altcha-widget.altcha-box[hidden] { display: none; }
code { background: var(--sunken); padding: 1px 6px; border-radius: 5px; font-size: 13px; }

button {
  background: var(--btn);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 14px;
  cursor: pointer;
  font-size: 14px;
}

button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: transparent; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.muted { color: var(--muted); font-size: 13px; }
.hint { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.45; }
.hint code { background: var(--sunken); padding: 0 4px; border-radius: 4px; }
.trials { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.trial-chip {
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--muted);
}
.trial-chip b { color: var(--text); font-weight: 600; }
.trial-chip.member { border-color: var(--ok); color: var(--ok); }
.credits-line { font-size: 15px; margin: 6px 0 4px; }
.credits-line b { font-size: 18px; color: var(--accent); }
#key-summary .muted { line-height: 1.7; }

.modal {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: none;              /* 默认隐藏；用 .open 打开（不要用 display 覆盖 hidden 属性） */
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal.open { display: flex; }
.modal[hidden] { display: none !important; }
.modal-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: 620px;
  width: 100%;
  max-height: 80vh;
  overflow: auto;
  padding: 20px 22px;
}
.modal-box h3 { margin: 0 0 10px; font-size: 17px; }
.modal-body { color: var(--muted); font-size: 13.5px; line-height: 1.85; white-space: pre-wrap; }
.inspect-head { display: flex; gap: 14px; align-items: flex-start; margin: 10px 0; }
.inspect-head img { width: 120px; height: 120px; border-radius: 10px; border: 1px solid var(--line); object-fit: cover; }
.inspect-meta { color: var(--muted); font-size: 13px; line-height: 1.7; }
.inspect-meta b { color: var(--text); }
.inline { display: inline-flex; gap: 6px; align-items: center; }
.inline-group { display: inline-flex; gap: 10px; flex-wrap: wrap; }

.tracks {
  max-height: 300px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 10px 0;
}

.track {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border-bottom: 1px solid var(--track-line);
  font-size: 13px;
}

.track:last-child { border-bottom: none; }
.track .num { color: var(--muted); width: 26px; text-align: right; }
.track .title { flex: 1; }
.track .dur { color: var(--muted); }
.track .note { color: var(--warn); font-size: 12px; flex: 2; }
.track.confirm { background: color-mix(in srgb, var(--warn) 10%, transparent); }

#quality-panel {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--warn);
  border-radius: 12px;
  background: rgba(226, 179, 65, 0.06);
}
#quality-panel h3 { margin: 0 0 6px; font-size: 15px; }

.jobs { display: grid; gap: 12px; }
.job { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.job .head { display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.job .title { font-weight: 600; }
.job .meta { color: var(--muted); font-size: 12px; }

.bar { height: 6px; background: var(--bar); border-radius: 6px; overflow: hidden; margin: 8px 0; }
.bar > i { display: block; height: 100%; background: var(--accent); width: 0; }

.badge {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.badge.queued { color: var(--muted); }
.badge.running, .badge.packaging, .badge.convert { color: var(--accent); }
.badge.done { color: var(--ok); }
.badge.partial, .badge.cancel_requested { color: var(--warn); }
.badge.failed, .badge.canceled { color: var(--err); }

.items { margin-top: 8px; font-size: 13px; }
.items .it { display: flex; gap: 8px; padding: 2px 0; color: var(--muted); }
.items .it.done { color: var(--text); }
.items .it.failed { color: var(--err); }
.items .it.skipped { color: var(--warn); }

.assets { margin-top: 10px; display: flex; gap: 10px; flex-wrap: wrap; }
/* 交付包下载主按钮用 .dl-btn（白字蓝底）；这里只兜底非主按钮的链接样式 */
.assets a:not(.dl-btn) {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 9px;
}

details summary { cursor: pointer; color: var(--muted); font-size: 13px; margin-top: 8px; }
pre.logs {
  max-height: 220px;
  overflow: auto;
  font-size: 12px;
  background: var(--sunken);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px;
  color: var(--muted);
}

footer { max-width: 980px; margin: 0 auto; padding: 0 16px 40px; }

/* ---------------- 下载选项：分组卡片（封面一组、歌词一组，同排控件顶部对齐） ---------------- */

/* 模式显隐：由前端写 body[data-mode]（audio / metadata），不再逐个 id 维护 */
body[data-mode="metadata"] .audio-only { display: none !important; }
body[data-mode="audio"] .meta-only { display: none !important; }

.opt-groups { display: grid; gap: 12px; }

.opt-group {
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 12px 14px 14px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--card) 72%, transparent),
    color-mix(in srgb, var(--sunken) 55%, transparent));
  transition: border-color .18s ease, background .18s ease;
}
.opt-group:hover { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); }

/* 组标题：左侧强调竖条 + 主标题 + 浅色副标题 */
.opt-head {
  position: relative;
  display: flex; align-items: baseline; gap: 8px;
  padding-left: 9px;
  font-size: 13.5px; font-weight: 600; color: var(--text);
}
.opt-head::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 3px; height: 14px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent),
    color-mix(in srgb, var(--accent) 30%, transparent));
}
.opt-head .opt-sub { font-size: 12px; font-weight: 400; color: var(--muted); }

/* 组内字段：标签在上、控件满宽、说明在下 —— 同一行控件顶部严格对齐 */
.opt-group .grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px 18px; margin-top: 10px; align-items: start;
}
.opt-group .grid > label {
  display: flex; flex-direction: column; gap: 6px; min-width: 0;
  font-size: 13px; color: color-mix(in srgb, var(--text) 86%, var(--muted));
}
.opt-group .grid > label > select,
.opt-group .grid > label > input:not([type=checkbox]),
.opt-group .grid > label > .inline-group,
.opt-group .grid > label > .pw-wrap { width: 100%; }
.opt-group .grid > label > .hint { margin-top: 0; }

/* .opt-group 内部一律以 hidden 为准（避免 flex 覆盖 hidden） */
.opt-groups [hidden] { display: none !important; }

/* 宽字段：整行铺满（选项多时不再挤在一列里） */
.opt-group .grid > label.wide { grid-column: 1 / -1; }
.opt-group .grid > label.wide > .inline-group {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 8px;
}
.opt-group .grid > label.wide > .inline-group > label.inline { justify-content: flex-start; }
@media (max-width: 720px) {
  .opt-group .grid > label.wide > .inline-group { grid-template-columns: 1fr 1fr; }
}

/* 勾选项：小胶囊，选中态高亮 */
.opt-checks { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 10px; }
label.chk {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: color-mix(in srgb, var(--card) 78%, transparent);
  color: var(--muted); font-size: 13px; cursor: pointer;
  transition: transform .14s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
label.chk.sm { padding: 5px 10px; font-size: 12.5px; }
label.chk input { accent-color: var(--accent); margin: 0; }
label.chk:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
label.chk:has(input:checked) {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* 额外转换里的 FLAC / WAV / MP3：与勾选胶囊同一视觉语言 */
.opt-group .grid > label > .inline-group { display: flex; flex-wrap: wrap; gap: 8px; }
.opt-group .grid > label > .inline-group > label.inline {
  padding: 6px 10px; border: 1px solid var(--line); border-radius: 9px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  color: var(--muted); font-size: 12.5px; cursor: pointer;
  transition: transform .14s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
.opt-group .grid > label > .inline-group > label.inline:hover {
  transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}
.opt-group .grid > label > .inline-group > label.inline:has(input:checked) {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.opt-group .grid > label > .inline-group > label.inline:has(input:disabled) { opacity: .5; }

/* JSON 字段行 */
.fields-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  margin-top: 10px; padding-top: 10px;
}
.fields-row[hidden] { display: none !important; }
#metadata-trial-hint { margin-top: 8px; }

/* 提交区：与上方「下载选项」拉开距离，避免按钮贴着最后一组卡片 */
#options + .row { margin-top: 16px; }

/* ---------------- 卡内说明行（解析板块） ---------------- */
.sub-note { color: var(--muted); font-size: 12.5px; line-height: 1.6; margin: 14px 0 8px; }
#precheck-info:empty, #inspect-result:empty { display: none; }

/* ---------------- 登录 / 注册 / 忘记密码 ---------------- */
.prog { margin: 10px 0 4px; display: grid; gap: 6px; }
.prog[hidden] { display: none !important; }
.prog-bar {
  height: 8px; border-radius: 999px; overflow: hidden;
  background: var(--bar); border: 1px solid var(--line);
}
.prog-bar > i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--ok), var(--accent));
  background-size: 200% 100%;
  animation: bar-flow 1.6s linear infinite;
  transition: width .35s ease;
}
.prog.indet .prog-bar > i { width: 40%; animation: bar-flow 1.6s linear infinite, bar-indet 1.5s ease-in-out infinite; }
.prog.done .prog-bar { display: none; }
.prog.done .prog-text { color: var(--ok); }
.prog-text { font-size: 12.5px; }

.auth-tabs {
  display: inline-flex; gap: 4px; padding: 4px; margin: 2px 0 12px;
  border: 1px solid var(--line); border-radius: 11px;
  background: var(--sunken);
}
.auth-tab {
  padding: 7px 16px; border: none; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--muted); font-size: 13.5px;
  transition: background .16s ease, color .16s ease;
}
.auth-tab:hover { color: var(--text); }
.auth-tab.on {
  background: var(--card); color: var(--text); font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .14);
}
.auth-pane { display: grid; gap: 10px; }
.auth-pane[hidden] { display: none !important; }
.auth-pane > .row { margin: 0; }
.auth-human { margin-top: 12px; align-items: center; }

/* 「下载选项」折叠头：与子板块标题同级 */
#options > summary {
  position: relative; padding-left: 9px;
  font-size: 15.5px; font-weight: 600; color: var(--text);
  list-style: none; cursor: pointer; user-select: none;
}
#options > summary::-webkit-details-marker { display: none; }
#options > summary::before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 3px; height: 15px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent),
    color-mix(in srgb, var(--accent) 30%, transparent));
}
#options > summary::after {
  content: "▾"; margin-left: 8px; font-size: 12px; color: var(--muted);
  display: inline-block; transition: transform .18s ease;
}
#options:not([open]) > summary::after { transform: rotate(-90deg); }

/* ---------------- 任务列表 ---------------- */
.lib-item {
  border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 12px; padding: 12px 14px; margin-top: 10px;
  background: color-mix(in srgb, var(--card) 80%, transparent);
  animation: fade-in .25s ease both;
}
.lib-item .head { display: flex; justify-content: space-between; gap: 8px; }
.lib-item .title { font-weight: 600; }
.lib-item .meta { color: var(--muted); font-size: 12px; line-height: 1.6; }
.lib-item .row { align-items: center; }
.lib-free { color: var(--ok); font-size: 12.5px; }
.lib-price { color: var(--warn); font-size: 12.5px; }

.jobs-toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 2px 0 8px;
}
.jobs-toolbar .search-wrap {
  position: relative; display: flex; align-items: center;
  flex: 1 1 260px; min-width: 180px;
}
.jobs-toolbar .search-wrap input { width: 100%; padding-left: 32px; }
.jobs-toolbar .search-ico {
  position: absolute; left: 11px; font-size: 12px; opacity: .55; pointer-events: none;
}
.jobs-toolbar > button { flex: 0 0 auto; }
#jobs-all-hint { min-height: 18px; margin-bottom: 6px; }
.jobs-empty {
  text-align: center; color: var(--muted); font-size: 13px;
  padding: 24px 0; border: 1px dashed transparent;
}

/* ---------------- 手机 / 窄屏适配 ---------------- */

/* iOS/iPadOS 聚焦输入框会自动放大页面：平板及以下宽度把控件字号提到 16px 可避免 */
@media (max-width: 1024px) {
  input, select, textarea { font-size: 16px; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  input[type=checkbox] { width: 18px; height: 18px; }
  /* 触屏友好：输入框/下拉至少 44px 高；勾选框本身保持小图标，点击区交给外层 label */
  input:not([type=checkbox]), select { min-height: 44px; }
  label.chk, label.inline { min-height: 40px; }

  /* 顶栏：第一行品牌 + 主题按钮贴右，调试状态另起一行靠右 */
  .topbar {
    display: grid; grid-template-columns: 1fr auto; align-items: center;
    padding: 10px max(14px, env(safe-area-inset-left)) 10px max(14px, env(safe-area-inset-right));
    font-size: 14px; flex-wrap: wrap; gap: 6px 10px;
  }
  .topbar > .brand { grid-column: 1; grid-row: 1; min-width: 0; }
  .topbar-right { display: contents; }
  #theme-toggle { grid-column: 2; grid-row: 1; justify-self: end; }
  .engine { grid-column: 1 / -1; grid-row: 2; text-align: right; max-width: 100%; }

  main { padding: 12px max(12px, env(safe-area-inset-left)) 0 max(12px, env(safe-area-inset-right)); }
  .card { padding: 14px; border-radius: 12px; }
  footer { padding: 0 max(12px, env(safe-area-inset-left)) 32px; font-size: 12.5px; line-height: 1.7; }

  /* 横向排布的行在手机上改成竖排，按钮整行可点 */
  .row { flex-wrap: wrap; }
  .row > input, .row > select, .row > .pw-wrap, .row > .captcha-wrap { flex: 1 1 100%; }
  .row > button { flex: 1 1 auto; min-height: 42px; }
  .row.between { align-items: flex-start; }
  .grid { grid-template-columns: 1fr !important; gap: 12px; }
  .topbar-right { margin-left: auto; }
  .opt-group { padding: 10px 12px 12px; border-radius: 11px; }
  .opt-head { flex-wrap: wrap; }
  .opt-group .grid { gap: 10px; }
  .opt-checks, .fields-row { gap: 6px 8px; }
  label.chk { padding: 6px 10px; }
  .jobs-toolbar .search-wrap { flex: 1 1 100%; }
  .jobs-toolbar > button { flex: 1 1 auto; }
  .pw-wrap, .pw-wrap input { width: 100%; }
  .inspect-head { flex-direction: column; }
  .inspect-head img { width: 100%; height: auto; max-height: 260px; }
  .tracks { max-height: 46vh; }
  .track { font-size: 13px; gap: 6px; }
  .track .num { width: 22px; }
  .track .title { min-width: 0; word-break: break-word; }
  .track .dur { margin-left: auto; white-space: nowrap; }
  .track-q { font-size: 12.5px; }
  .track-q-row { padding: 0 6px 8px 10px; gap: 6px; }
  .track-q-row .track-q { flex: 1 1 100%; }
  .track-codec { width: 100%; justify-content: space-between; }
  .track-codec select { flex: 1 1 auto; min-width: 0; }
  .modal-box { margin: 12px; max-height: 86vh; }
  button { min-height: 40px; }

  /* 下载方式：窄屏竖排，避免两栏把标题挤到与勾选角标重叠 */
  .mode-switch { grid-template-columns: 1fr; gap: 10px; }
  .mode-switch .mode-card { padding: 12px 14px; }
  .mode-switch .mode-title { padding-right: 28px; }
  .mode-switch .mode-card:has(input:checked)::after { top: 12px; right: 14px; }

  /* 任务卡：标题/状态分行，曲目行改两行制（曲名 + 体积 / 音质说明） */
  .job { padding: 12px; }
  .job .head { flex-wrap: wrap; gap: 6px; }
  .job .head > .row { margin-left: auto; }
  .job .title { font-size: 15px; }
  .job .meta { line-height: 1.55; word-break: break-word; }
  .items .it { flex-wrap: wrap; row-gap: 2px; gap: 4px 8px; }
  .items .it > span:nth-child(1) { order: 1; }
  .items .it > span:nth-child(2) { order: 2; flex: 1 1 auto; min-width: 0; word-break: break-word; }
  .items .it > span:nth-child(4) { order: 3; margin-left: auto; white-space: nowrap; }
  .items .it > span:nth-child(3) { order: 4; flex: 1 1 100%; }
  .items .it > span:nth-child(n+5) { order: 5; flex: 1 1 100%; }
  .assets { gap: 8px; }
  .dl-btn, .assets a { width: 100%; justify-content: center; min-height: 44px; }

  /* 表格类信息（密钥摘要/计费说明）行距松一点更好读 */
  .credits-line { font-size: 16px; }
}

/* 更窄（小屏手机）：进一步压缩内边距与字号 */
@media (max-width: 420px) {
  .brand { font-size: 15px; }
  .card h2 { font-size: 17px; }
  .hint, .muted { font-size: 12px; }
  .opt-head .opt-sub { display: none; }
  main { padding: 10px max(10px, env(safe-area-inset-left)) 0; }
  .card { padding: 12px; }
  .row > button { flex: 1 1 100%; }
  .jobs-toolbar > button { flex: 1 1 100%; }

  /* 曲目行：手机上一行塞不下「序号 + 歌名 + 时长/流派 + 最高音质」，
     以前会把歌名挤成一列一个字。改成歌名与序号同行、时长/音质换到第二行。 */
  .track { flex-wrap: wrap; row-gap: 1px; }
  .track .num { width: 20px; }
  .track .title { flex: 1 1 calc(100% - 30px); min-width: 0; word-break: break-word; }
  .track > span:nth-child(3) { margin-left: 28px; white-space: nowrap; }
  .track > span:nth-child(4) { margin-left: auto; white-space: nowrap; }
}