/* ============================================================
   v2.2.0 样式增量（字幕/视频/词网/矩阵/内联详情/返回与退出/速听）
   ============================================================ */

/* ---------- 全局“返回上一级”按钮（与关闭并存，图标不越界） ---------- */
.gback{appearance:none;border:2px solid var(--line);background:var(--cream-deep);color:var(--ink);
  border-radius:12px;height:38px;padding:0 12px 0 10px;font-size:13.5px;font-weight:700;
  display:inline-flex;align-items:center;gap:5px;flex:0 0 auto;cursor:pointer}
.gback:hover{background:var(--cheese-soft)}
.gback:active{transform:scale(.94)}
.screen-head .gback{height:38px}
.modal .gback{position:absolute;top:12px;right:56px;z-index:6;height:34px;border-radius:50%;padding:0;width:34px;justify-content:center;font-size:16px}
.modal h3{padding-right:96px}
/* 关闭按钮：强制字符居中，杜绝 X 越界 */
.modal .close,.screen-head .x{font-family:inherit;line-height:1!important;box-sizing:border-box;overflow:hidden}
.modal .close *,.screen-head .x *{pointer-events:none}

/* ---------- 学习卡：中文并排 + 内联详情 ---------- */
.bigword-row{display:flex;align-items:baseline;justify-content:center;gap:10px;flex-wrap:wrap}
.bigword-row .wordzh-inline{font-size:19px;color:var(--ink);font-weight:700}
.wd-inline{margin:10px auto 4px;max-width:560px;background:var(--green-mist,#eef8f1);
  border:2px dashed var(--green-deep,#5fb083);border-radius:18px;padding:14px 16px;animation:pop .18s ease-out}
.wd-inline .wd-big{font-size:26px;font-weight:900;color:var(--ink)}
.wd-inline .ipa-line{justify-content:flex-start;margin:4px 0}
.wd-inline .mnemo{margin:8px 0}
.detail-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:8px}

/* ---------- 字幕播放器（磨耳朵 / MOOC） ---------- */
.subp{display:flex;flex-direction:column;gap:10px}
.subp-screen{position:relative;background:linear-gradient(160deg,#12301f,#1d4a33);border-radius:20px;overflow:hidden}
.subp-video{display:block;width:100%;max-height:56vh;background:#000}
.subp-cap{padding:10px 14px;min-height:54px;display:flex;align-items:center}
.subp-cap .cap-en{color:#fff;font-size:18px;line-height:1.45;font-weight:700}
.subp-cap .cap-zh{color:#cdeedb;font-size:14.5px;line-height:1.4;margin-top:3px}
.subp-list{max-height:34vh;overflow:auto;background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:6px 10px}
.subp-line{padding:7px 9px;border-radius:11px;cursor:pointer;line-height:1.4}
.subp-line:hover{background:var(--cream-deep)}
.subp-line.act{background:var(--green-soft)}
.subp-line .sen{font-size:15px;color:var(--ink)}
.subp-line .szh{font-size:13px;color:var(--ink-2);margin-top:1px}
.subp-line.act .sen{font-weight:800;color:var(--green-deep)}
.subp-ctrl{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.subp-ctrl .pcb{flex:0 0 auto}
.subp-prog{flex:1;min-width:120px;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-2)}
.subp-prog input[type=range]{flex:1;accent-color:var(--green,#7fc79a)}
.subp-badge{display:inline-block;font-size:10.5px;padding:1px 7px;border-radius:99px;background:var(--cheese);color:#6b4315;font-weight:800;margin-left:6px;vertical-align:middle}
.subp-badge.video{background:#cde9ff;color:#1c5e86}
.subp-badge.nosub{background:#eee;color:#888}
.dy-item.has-sub .t::after{content:"字幕";display:inline-block;margin-left:6px;font-size:10px;background:var(--green-soft);color:var(--green-deep);border-radius:8px;padding:0 6px;font-weight:700}
.dy-item.has-video .t::after{content:"动画";display:inline-block;margin-left:6px;font-size:10px;background:#cde9ff;color:#1c5e86;border-radius:8px;padding:0 6px;font-weight:700}

/* ---------- 故事矩阵（删放射图后） ---------- */
.ch-matrix{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:12px 0}
.ch-cell{position:relative;text-align:left;background:var(--paper);border:2.5px solid var(--line);border-radius:17px;padding:11px 12px;cursor:pointer;min-height:78px;transition:transform .12s,border-color .12s}
.ch-cell:hover{transform:translateY(-2px);border-color:var(--green)}
.ch-cell.sel{border-color:var(--green-deep);background:var(--green-soft);box-shadow:0 5px 14px rgba(95,176,131,.25)}
.ch-cell.side{border-style:dashed}
.ch-cell b{display:block;font-size:13.5px;line-height:1.3;color:var(--ink)}
.ch-cell span{display:block;font-size:11px;color:var(--ink-2);margin-top:3px}
.ch-cell .star{position:absolute;top:7px;right:9px;font-size:12px}
.cy-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.cy-tabs button{font-size:12px}
.chappreview{background:var(--paper);border:2.5px solid var(--line);border-radius:20px;padding:14px 16px;margin-top:10px}

/* ---------- 单词速听 / 串词成文 ---------- */
.sl-filter{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:8px 0}
.sl-field{background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:9px 11px}
.sl-field label{display:block;font-size:12px;color:var(--ink-2);margin-bottom:5px;font-weight:700}
.sl-field select,.sl-field input{width:100%;box-sizing:border-box}
.sl-chips{display:flex;gap:6px;flex-wrap:wrap}
.weave-passage{background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:14px 16px;line-height:2;font-size:15.5px}
.weave-blank{display:inline-block;min-width:64px;border-bottom:2px solid var(--green-deep);text-align:center;color:var(--green-deep);font-weight:800;padding:0 6px}
.weave-bank{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0}
.weave-bank button{border-radius:11px}
.sl-now{font-size:22px;font-weight:900;text-align:center;padding:14px;color:var(--ink)}
.sl-now .ipa{display:block;font-size:14px;color:var(--ink-2);font-weight:600;margin-top:2px}
.sl-now .zh{display:block;font-size:15px;color:var(--green-deep);margin-top:2px}

/* ---------- 周报 ---------- */
.weekrep{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:10px 0}
.weekrep .q b{font-size:24px}

/* ---------- 退出确认 ---------- */
.exit-ico{font-size:40px;text-align:center;margin:6px 0}

/* ---------- 无障碍/动效收敛 ---------- */
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(95,176,131,.45);outline-offset:2px}

/* ---------- 手机端字幕全屏化：只呈现与语音同频的当前句；电脑/平板保留全文列表 ---------- */
@media (max-width:640px){
  .subp-list{display:none}
  .subp-cap{min-height:118px;align-items:center;justify-content:center;text-align:center;padding:16px 18px}
  .subp-cap .cap-en{font-size:20px;line-height:1.7}
  .subp-cap .cap-zh{font-size:16px}
  .subp-video{max-height:42vh}
  .modal .gback{right:52px}
  .ch-matrix{grid-template-columns:repeat(auto-fill,minmax(128px,1fr))}
}

/* v2.2 i+1 推荐 chips */
.iplus-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:8px}
.iplus-chip{background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:8px 10px;cursor:pointer;transition:transform .12s,border-color .12s,background .12s}
.iplus-chip:active{transform:scale(.95)}
.iplus-chip:hover{border-color:var(--green);background:var(--green-soft)}
.iplus-chip .ipa{font-size:11px;color:var(--ink-2)}