/* ── 學生自學 ── 左邊功能列＋右邊內容；窄視窗功能列改成上面一排可橫向捲動 */
.self-wrap { display: flex; gap: 18px; width: 100%; max-width: var(--content-w); align-items: flex-start; }
.self-nav { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 4px; min-width: 150px;
            background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 14px; padding: 8px; }
.self-nav button { display: flex; align-items: center; gap: 10px; background: none; color: var(--c-94a3b8); text-align: left;
                   padding: 10px 12px; font-size: .92rem; }
.self-nav button span { width: 1.4em; display: inline-grid; place-items: center; }
.self-nav button svg.ic { width: 1.2em; height: 1.2em; vertical-align: 0; }
.self-nav button:hover { background: var(--c-1e2330); color: var(--c-e2e8f0); }
.self-nav button.on { background: var(--c-1e3a5f); color: var(--c-7dd3fc); }
.self-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.self-sec { display: none; flex-direction: column; gap: 16px; }
.self-sec.on { display: flex; }
@media (max-width: 860px) {
  .self-wrap { flex-direction: column; }
  /* 窄螢幕：功能列改成格狀（一排 3 個），全部看得到，不用左右滑 */
  .self-nav { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; min-width: 0; }
  .self-nav .nav-groups { grid-column: 1 / -1; }
  .self-main { width: 100%; }
  .self-nav.dim { display: none; }   /* 練習中：手機不顯示功能列，題目直接在最上面 */
  .self-nav button { flex-direction: column; justify-content: center; gap: 2px; font-size: .8rem; padding: 10px 6px; min-height: 56px; text-align: center; }
  .self-nav .nav-set { margin-top: 0; border-top: 0 !important; border-radius: 8px; }
}
.self-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.self-row label { margin: 0; }
.self-sp { flex: 1; }
.self-main select, .self-main input[type="date"] { background: var(--c-0f1117); color: var(--c-e2e8f0); border: 1.5px solid var(--c-2d3548);
  border-radius: 8px; padding: 9px 12px; font-size: .9rem; }
.self-main button:not(.btn-go):not(.role-card) { background: var(--c-232a3a); color: var(--c-cbd5e1); border: 1px solid var(--c-2d3548); padding: 9px 16px; }
.self-main button:not(.btn-go):not(.role-card):hover { border-color: var(--c-4f8ef7); color: var(--c-f8fafc); }
.self-main textarea { width: 100%; background: var(--c-0f1117); color: var(--c-e2e8f0); border: 1.5px solid var(--c-2d3548); border-radius: 8px;
  padding: 12px 14px; font-size: 1rem; line-height: 1.7; resize: vertical; margin-bottom: 10px; font-family: inherit; }
.seg-toggle { display: inline-flex; border: 1px solid var(--c-2d3548); border-radius: 9px; overflow: hidden; }
.self-main .seg-toggle button { border: none !important; border-radius: 0; background: var(--c-161a24); padding: 8px 14px; }
.self-main .seg-toggle button.on { background: var(--c-1e3a5f); color: var(--c-7dd3fc); }
.inline-chk { display: inline-flex; align-items: center; gap: 6px; text-transform: none; letter-spacing: 0; margin: 0;
              font-size: .85rem; color: var(--c-cbd5e1); }
.self-paths .role-card.on { border-color: var(--c-4f8ef7); background: var(--c-1d2740); }

.self-main a { color: var(--c-7dd3fc); }

/* 今天 */
.self-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 14px 16px; }
.stat b { display: block; font-size: 1.8rem; color: var(--c-f8fafc); line-height: 1.2; }
.stat small { color: var(--c-94a3b8); font-size: .8rem; }
.stat.hot b { color: var(--c-fbbf24); }
.self-settings { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 16px; font-size: .85rem; color: var(--c-94a3b8); }
.self-levels { display: grid; gap: 10px; }
.lv-row { display: grid; grid-template-columns: 170px 1fr 90px; align-items: center; gap: 12px; font-size: .85rem; }
.lv-row small { color: var(--c-64748b); }
.lv-bar { height: 10px; background: var(--c-0f1117); border-radius: 99px; overflow: hidden; border: 1px solid var(--c-2d3548); }
.lv-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--c-22c55e), var(--c-4ade80)); }
.lv-row.mine { color: var(--c-7dd3fc); }

/* 詞彙卡 */
.srs-box { min-height: 260px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
           background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 14px; padding: 28px; text-align: center; }
.srs-han { font-size: 4.2rem; font-weight: 600; color: var(--c-f8fafc); letter-spacing: .06em; line-height: 1.1; }
.srs-py { font-size: 1.4rem; color: var(--c-7dd3fc); }
.srs-zy { font-size: 1rem; color: var(--c-94a3b8); }
.srs-en { font-size: 1.05rem; color: var(--c-e2e8f0); max-width: 640px; }
.srs-meta { font-size: .8rem; color: var(--c-64748b); }
.srs-btns { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.srs-btns button { min-width: 110px; }
.srs-btns button small { display: block; font-weight: 400; font-size: .72rem; opacity: .75; }
.self-main .srs-btns .g-again { border-color: var(--c-7f1d1d); color: var(--c-fca5a5); }
.self-main .srs-btns .g-hard { border-color: var(--c-78350f); color: var(--c-fcd34d); }
.self-main .srs-btns .g-good { border-color: var(--c-166534); color: var(--c-86efac); }
.self-main .srs-btns .g-easy { border-color: var(--c-1e40af); color: var(--c-93c5fd); }
.srs-progress { font-size: .8rem; color: var(--c-64748b); }
.srs-list { display: flex; flex-wrap: wrap; gap: 8px; max-height: 260px; overflow-y: auto; }
.srs-chip { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 99px; padding: 5px 12px; font-size: .9rem; cursor: pointer; }
.srs-chip small { color: var(--c-64748b); margin-left: 6px; }
.srs-chip.due { border-color: var(--c-b45309); }

/* 讀文章 */
.rd-text { font-size: 1.45rem; line-height: 2.6; color: var(--c-f1f5f9); padding: 6px 2px; }
.rd-text ruby { cursor: pointer; border-radius: 4px; padding: 0 1px; ruby-position: over; }
.rd-text ruby:hover { background: var(--c-1e3a5f); }
.rd-text rt { font-size: .5em; color: var(--c-7dd3fc); letter-spacing: 0; user-select: none; }
.rd-text.no-rt rt { visibility: hidden; }
.rd-text .rd-over { background: rgba(251, 146, 60, .18); box-shadow: inset 0 -2px 0 var(--c-fb923c); }
.rd-text .rd-none { box-shadow: inset 0 -2px 0 var(--c-f87171); }
.rd-text.no-hl .rd-over, .rd-text.no-hl .rd-none { background: none; box-shadow: none; }
.rd-text .rd-on { background: var(--c-1d4ed8) !important; }
.rd-text .rd-saved { color: var(--c-fde68a); }
.rd-play { background: none !important; border: none !important; color: var(--c-4f8ef7) !important; padding: 0 6px !important;
           font-size: .7em !important; vertical-align: middle; }
.rd-sent.speaking { background: rgba(79, 142, 247, .12); border-radius: 6px; }
.rd-legend { margin-left: 12px; }
.rd-legend i { display: inline-block; width: 22px; height: 10px; margin: 0 4px 0 10px; border-radius: 3px; vertical-align: middle; }
.rd-legend .rd-over { background: rgba(251, 146, 60, .35); box-shadow: inset 0 -2px 0 var(--c-fb923c); }
.rd-legend .rd-none { box-shadow: inset 0 -2px 0 var(--c-f87171); }
.rd-pop { position: fixed; right: 24px; bottom: 24px; width: min(380px, calc(100vw - 32px)); z-index: 1500;
          background: var(--c-1b2131); border: 1px solid var(--c-3b4a66); border-radius: 16px; padding: 18px 20px; box-shadow: 0 20px 50px rgba(0,0,0,.5); }
.rd-pop .pop-w { font-size: 2rem; font-weight: 600; }
.rd-pop .pop-py { color: var(--c-7dd3fc); font-size: 1.1rem; margin-left: 10px; }
.rd-pop .pop-en { margin: 8px 0 10px; color: var(--c-e2e8f0); line-height: 1.5; }
.rd-pop .pop-lv { font-size: .8rem; color: var(--c-94a3b8); }
.rd-pop .self-row { margin: 12px 0 0; }
.rd-pop .pop-x { position: absolute; top: 10px; right: 12px; background: none !important; border: none !important; color: var(--c-94a3b8) !important; padding: 4px 8px !important; }
.dict-row { display: flex; gap: 10px; align-items: center; margin: 10px 0; flex-wrap: wrap; }
.dict-row input { flex: 1; min-width: 200px; }
.dict-row .ok { color: var(--c-4ade80); } .dict-row .bad { color: var(--c-f87171); }
.dict-ans { font-size: 1.1rem; color: var(--c-cbd5e1); }
.dict-ans .miss { color: var(--c-f87171); text-decoration: underline; }

/* 發音 */
.py-chart-wrap { overflow: auto; max-height: 520px; border: 1px solid var(--c-2d3548); border-radius: 10px; }
.py-chart { border-collapse: collapse; font-size: .85rem; }
.py-chart th { position: sticky; top: 0; background: var(--c-161a24); color: var(--c-94a3b8); padding: 6px 8px; z-index: 1; }
.py-chart th.rowh { position: sticky; left: 0; z-index: 2; }
.py-chart td { border: 1px solid var(--c-232a3a); padding: 0; text-align: center; min-width: 52px; }
.py-chart td button { width: 100%; background: none !important; border: none !important; padding: 7px 4px !important; color: var(--c-e2e8f0) !important; font-weight: 500; }
.py-chart td button:hover { background: var(--c-1e3a5f) !important; }
.py-tones { display: flex; gap: 6px; justify-content: center; padding: 6px; }
.py-tones button { padding: 6px 10px !important; }
.tp-box { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 10px; }
.tp-grid { display: grid; grid-template-columns: repeat(4, 64px); gap: 8px; }
.tp-grid button { padding: 12px 0 !important; font-size: 1rem; }
.tp-grid button.right { border-color: var(--c-16a34a) !important; background: var(--c-14532d) !important; color: #fff !important; }
.tp-grid button.wrong { border-color: var(--c-b91c1c) !important; background: var(--c-450a0a) !important; }
.tp-ans { font-size: 1.3rem; } .tp-ans small { color: var(--c-94a3b8); font-size: .85rem; }

/* 語法 */
.gr-wrap { display: grid; grid-template-columns: minmax(220px, 320px) 1fr; gap: 16px; }
@media (max-width: 860px) { .gr-wrap { grid-template-columns: 1fr; } }
.gr-list { max-height: 560px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.gr-list button { text-align: left; white-space: normal; background: var(--c-161a24) !important; padding: 9px 12px !important; }
.gr-list button small { display: block; color: var(--c-64748b); font-weight: 400; font-size: .75rem; }
.gr-list button.on { border-color: var(--c-4f8ef7) !important; }
.gr-detail h3 { font-size: 1.5rem; margin-bottom: 4px; }
.gr-detail .gr-en { color: var(--c-7dd3fc); margin-bottom: 12px; }
.gr-struct { background: var(--c-0f1117); border: 1px solid var(--c-2d3548); border-radius: 10px; padding: 10px 14px; margin: 10px 0;
             font-family: ui-monospace, Menlo, monospace; font-size: .92rem; color: var(--c-fde68a); line-height: 1.8; }
.gr-expl { color: var(--c-cbd5e1); line-height: 1.7; margin: 10px 0; }
.gr-ex { border-top: 1px solid var(--c-232a3a); padding: 10px 0; display: flex; gap: 10px; align-items: flex-start; }
.gr-ex .zh { font-size: 1.2rem; } .gr-ex .py { color: var(--c-7dd3fc); font-size: .9rem; } .gr-ex .en { color: var(--c-94a3b8); font-size: .9rem; }

/* 寫字 */
.wr-box { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; justify-content: center; padding: 10px; }
.wr-stage { position: relative; width: min(360px, 80vw); aspect-ratio: 1; background: var(--c-f8f5ec); border-radius: 12px; touch-action: none; }
.wr-stage svg, .wr-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.wr-stage .g { stroke: var(--c-d6c9a8); stroke-width: 8; stroke-dasharray: 30 24; }
.wr-stage .s-hint { fill: var(--c-e2d9c4); } .wr-stage .s-done { fill: var(--c-1f2937); transition: fill .25s; } .wr-stage .s-flash { fill: var(--c-ef4444); }
.wr-side { display: flex; flex-direction: column; gap: 10px; min-width: 200px; }
.wr-big { font-size: 3rem; } .wr-info { color: var(--c-94a3b8); font-size: .9rem; }
.wr-queue { display: flex; gap: 6px; flex-wrap: wrap; }
.wr-queue span { padding: 4px 9px; border-radius: 8px; background: var(--c-161a24); border: 1px solid var(--c-2d3548); font-size: 1.1rem; }
.wr-queue span.on { border-color: var(--c-4f8ef7); } .wr-queue span.done { color: var(--c-4ade80); }

/* 情境 */
.scene-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.scene-tile { text-align: left; white-space: normal; background: var(--c-1e2330) !important; border: 1px solid var(--c-2d3548) !important;
              border-radius: 14px !important; padding: 16px !important; display: flex; flex-direction: column; gap: 6px; }
.scene-tile .ic { font-size: 1rem; } .scene-tile b { font-size: 1.05rem; color: var(--c-f8fafc); }
.scene-tile small { color: var(--c-94a3b8); font-weight: 400; line-height: 1.5; }
.scene-tile.on { border-color: var(--c-4f8ef7) !important; }
.scene-h { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.scene-h .ic { font-size: 1rem; } .scene-h h3 { font-size: 1.4rem; }
.scene-goal { color: var(--c-94a3b8); margin-bottom: 14px; }
.ph { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--c-232a3a); }
.ph .zh { font-size: 1.25rem; } .ph .py { color: var(--c-7dd3fc); font-size: .9rem; grid-column: 2; } .ph .en { color: var(--c-94a3b8); font-size: .9rem; grid-column: 2; }
.ph .lvl { font-size: .72rem; color: var(--c-64748b); border: 1px solid var(--c-2d3548); border-radius: 99px; padding: 1px 8px; }
.ph-acts { grid-row: 1 / span 3; grid-column: 3; display: flex; gap: 6px; }
.scene-tip { background: var(--c-172033); border-left: 3px solid var(--c-4f8ef7); border-radius: 8px; padding: 12px 14px; margin: 14px 0; color: var(--c-cbd5e1); line-height: 1.7; }
.scene-sub { margin-top: 18px; }

/* TOCFL */
.tf-table { width: 100%; border-collapse: collapse; margin: 10px 0 18px; font-size: .9rem; }
.tf-table th, .tf-table td { border-bottom: 1px solid var(--c-2d3548); padding: 9px 10px; text-align: left; }
.tf-table th { color: var(--c-94a3b8); font-weight: 600; }
.tf-table tr.mine td { color: var(--c-7dd3fc); }
.tf-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; margin-top: 8px; }
.tf-links a { display: block; background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 14px; color: var(--c-e2e8f0); text-decoration: none; }
.tf-links a:hover { border-color: var(--c-4f8ef7); }
.tf-links a small { display: block; color: var(--c-94a3b8); margin-top: 4px; line-height: 1.5; }
.tf-note { color: var(--c-94a3b8); font-size: .82rem; line-height: 1.7; }

/* 小測驗 */
.self-quiz { text-align: center; }
.qz-word { font-size: 3.2rem; margin: 14px 0; }
.qz-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; max-width: 760px; margin: 0 auto; }
.qz-opts button { white-space: normal; text-align: left; padding: 14px !important; }
.qz-opts button.right { border-color: var(--c-16a34a) !important; background: var(--c-14532d) !important; }
.qz-opts button.wrong { border-color: var(--c-b91c1c) !important; background: var(--c-450a0a) !important; }
.qz-bar { height: 6px; background: var(--c-0f1117); border-radius: 99px; margin: 8px auto; max-width: 760px; overflow: hidden; }
.qz-bar i { display: block; height: 100%; background: var(--c-4f8ef7); }

/* 自學模式：只留左邊功能列（上面分頁藏起來） */
body.mode-self #tabs { display: none; }
.self-nav .nav-set { margin-top: 8px; border-top: 1px solid var(--c-2d3548) !important; border-radius: 0 0 8px 8px; }
/* 今天的任務 */
.today-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.today-head h2 { font-size: 1.4rem; margin-bottom: 4px; }
.today-mini { display: flex; gap: 10px; }
.today-mini span { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 99px; padding: 6px 12px; font-size: .85rem; color: var(--c-cbd5e1); }
.tasks { display: flex; flex-direction: column; gap: 10px; }
.task { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 14px; background: var(--c-161a24);
        border: 1px solid var(--c-2d3548); border-radius: 14px; padding: 14px 16px; }
.task .chk { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--c-3b4a66); display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.task.done { opacity: .55; } .task.done .chk { background: var(--c-16a34a); border-color: var(--c-16a34a); color: #fff; }
.task.next { border-color: var(--c-4f8ef7); box-shadow: 0 0 0 1px var(--c-4f8ef7) inset; }
.task b { font-size: 1.02rem; color: var(--c-f1f5f9); } .task small { display: block; color: var(--c-94a3b8); margin-top: 2px; }
.self-progress summary { cursor: pointer; color: var(--c-94a3b8); font-size: .85rem; letter-spacing: .06em; }
.self-progress[open] summary { margin-bottom: 14px; }
/* 設定 */
.set-grid { display: grid; grid-template-columns: max-content minmax(0, 360px); gap: 12px 16px; align-items: center; margin: 18px 0 8px; font-size: .9rem; color: var(--c-94a3b8); }
/* 查詞 */
.fd-list { display: flex; flex-direction: column; margin-top: 14px; }
.fd-row { display: grid; grid-template-columns: minmax(90px, auto) 1fr auto; gap: 4px 16px; align-items: center; padding: 12px 4px; border-top: 1px solid var(--c-232a3a); }
.fd-row .w { font-size: 1.5rem; } .fd-row .py { color: var(--c-7dd3fc); } .fd-row .en { color: var(--c-cbd5e1); grid-column: 2; } .fd-row .lv { font-size: .78rem; color: var(--c-64748b); grid-column: 2; }
.fd-row .acts { grid-row: 1 / span 3; grid-column: 3; display: flex; gap: 6px; }
/* 引導 */
.onboard-box { max-width: 720px; text-align: left; }
.onboard-box h2 { text-align: center; } .onboard-box > p { text-align: center; }
.ob-steps { display: flex; justify-content: center; gap: 8px; margin-bottom: 14px; }
.ob-steps i { width: 34px; height: 5px; border-radius: 99px; background: var(--c-2d3548); } .ob-steps i.on { background: var(--c-4f8ef7); }
.ob-actions { display: flex; justify-content: center; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.onboard-box select, .onboard-box input[type="date"] { background: var(--c-0f1117); color: var(--c-e2e8f0); border: 1.5px solid var(--c-2d3548);
  border-radius: 8px; padding: 9px 12px; font-size: .95rem; }
.onboard-box .set-grid { margin: 22px auto 0; max-width: 520px; }

/* 學習路徑 */
.path-units { display: flex; flex-direction: column; gap: 18px; max-height: 640px; overflow-y: auto; padding-right: 4px; }
.unit { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 16px; padding: 16px 18px; }
.unit-h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.unit-h b { font-size: 1.05rem; color: var(--c-f1f5f9); } .unit-h small { color: var(--c-64748b); }
.unit.unit-done { border-color: var(--c-166534); }
.unit-ls { display: flex; flex-wrap: wrap; gap: 14px; }
.self-main .node { display: flex; flex-direction: column; align-items: center; gap: 6px; background: none !important; border: none !important; padding: 0 !important; }
.node span { width: 62px; height: 62px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
             background: var(--c-232a3a); border: 3px solid var(--c-3b4a66); color: var(--c-94a3b8); box-shadow: 0 4px 0 var(--c-11151f); transition: transform .1s; }
.node:hover span { transform: translateY(-2px); }
.node small { font-size: .75rem; color: var(--c-94a3b8); font-weight: 500; }
.node.done span { background: var(--c-15803d); border-color: var(--c-22c55e); color: #fff; }
.node.next span { background: var(--c-2563eb); border-color: var(--c-93c5fd); color: #fff; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 4px 0 var(--c-11151f), 0 0 0 0 rgba(96,165,250,.6); } 50% { box-shadow: 0 4px 0 var(--c-11151f), 0 0 0 10px rgba(96,165,250,0); } }
.self-nav.dim { opacity: .35; pointer-events: none; }

/* 練習播放器 */
.self-quiz { position: relative; min-height: 520px; display: flex; flex-direction: column; padding: 22px 28px 0 !important; overflow: hidden; }
.pl-top { display: flex; align-items: center; gap: 14px; }
.pl-top .qz-bar { flex: 1; height: 12px; margin: 0; }
.pl-top .qz-bar i { background: var(--c-22c55e); transition: width .3s; }
.self-main .pl-x { background: none !important; border: none !important; font-size: 1.2rem; color: var(--c-64748b) !important; padding: 4px 8px !important; }
.pl-body { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 26px 0 30px; text-align: center; }
.pl-ask { font-size: 1.35rem; font-weight: 700; color: var(--c-f8fafc); }
.pl-q { font-size: 1.3rem; display: flex; align-items: center; gap: 10px; justify-content: center; min-height: 40px; }
.pl-han { font-size: 3.6rem; font-weight: 600; color: var(--c-f8fafc); line-height: 1.15; }
.pl-sent { font-size: 1.7rem; letter-spacing: .04em; color: var(--c-f1f5f9); }
.pl-py { color: var(--c-7dd3fc); font-size: 1.35rem; } .pl-zy { color: var(--c-94a3b8); }
.pl-en { color: var(--c-e2e8f0); font-size: 1.1rem; margin-top: 8px; } .pl-ex { margin-top: 14px; color: var(--c-cbd5e1); font-size: 1.15rem; }
.pl-learn { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 18px; padding: 26px 40px; min-width: min(460px, 90%); }
.pl-opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; width: min(680px, 100%); }
.pl-opts.zh button { font-size: 1.4rem; }
.pl-opts.two { grid-template-columns: repeat(2, minmax(0, 220px)); justify-content: center; }
.self-main .pl-opts button { padding: 16px !important; white-space: normal; font-size: 1.02rem; border-width: 2px !important; box-shadow: 0 3px 0 var(--c-11151f); }
.self-main .pl-opts button.right { border-color: var(--c-22c55e) !important; background: var(--c-14532d) !important; color: #fff !important; }
.self-main .pl-opts button.wrong { border-color: var(--c-ef4444) !important; background: var(--c-450a0a) !important; }
.pl-built { min-height: 58px; width: min(680px, 100%); border-bottom: 2px solid var(--c-2d3548); display: flex; flex-wrap: wrap; gap: 8px; padding: 8px; justify-content: center; }
.pl-bank { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; width: min(680px, 100%); }
.self-main .pl-built button, .self-main .pl-bank button { font-size: 1.3rem; padding: 10px 14px !important; box-shadow: 0 3px 0 var(--c-11151f); }
.pl-read { max-width: 760px; text-align: left; }
.pl-write { width: 100%; }
.pl-note { margin-top: -6px; }
.pl-foot { margin: 0 -28px; padding: 16px 28px; border-top: 1px solid var(--c-2d3548); display: flex; justify-content: flex-end; align-items: center; gap: 14px; background: var(--c-161a24); }
.pl-foot.good { background: var(--c-0f2e1c); border-color: var(--c-166534); } .pl-foot.bad { background: var(--c-3a0f12); border-color: var(--c-7f1d1d); }
.pl-fb { flex: 1; text-align: left; line-height: 1.6; } .pl-fb b { font-size: 1.15rem; }
.pl-foot.good .pl-fb b { color: var(--c-4ade80); } .pl-foot.bad .pl-fb b { color: var(--c-fca5a5); }
.pl-end { text-align: center; padding: 40px 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.pl-end .self-stats { width: min(420px, 100%); }
.tf-files a { margin-right: 12px; white-space: nowrap; }
@media (max-width: 720px) { .pl-opts { grid-template-columns: 1fr; } .pl-han { font-size: 2.8rem; } }
/* 學習／查詢工具兩個分頁 */
.nav-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--c-0f1117); border-radius: 10px; padding: 4px; margin-bottom: 8px; }
.self-main .nav-groups button, .self-nav .nav-groups button { justify-content: center; padding: 8px 4px !important; font-size: .82rem; border-radius: 8px; color: var(--c-94a3b8); }
.self-nav .nav-groups button.on { background: var(--c-1e3a5f); color: var(--c-7dd3fc); }
.self-nav > [data-g="tools"] { display: none; }
.self-nav.g-tools > [data-g="tools"] { display: flex; } .self-nav.g-tools > [data-g="learn"] { display: none; }
/* 讀文章：一句一行 */
.rd-text .rd-sent { display: block; margin-bottom: 4px; }
/* 播放器：生詞卡、語法卡、跟讀、錯題重練 */
.pl-retry { background: var(--c-78350f); color: var(--c-fde68a); border-radius: 99px; padding: 4px 14px; font-size: .85rem; font-weight: 700; }
.pl-ex { margin-top: 16px; text-align: left; border-top: 1px solid var(--c-2d3548); padding-top: 12px; }
.pl-ex-zh { font-size: 1.25rem; color: var(--c-f1f5f9); } .pl-ex-py { color: var(--c-7dd3fc); font-size: 1rem; margin-top: 2px; } .pl-ex-en { color: var(--c-94a3b8); font-size: .95rem; }
.pl-gram { text-align: left; max-width: 720px; } .pl-gname { font-size: 1.8rem; font-weight: 700; } .pl-gexp { color: var(--c-cbd5e1); line-height: 1.7; margin: 10px 0; }
.pl-line { padding: 10px 0; border-bottom: 1px solid var(--c-232a3a); }
.pl-heard { min-height: 28px; font-size: 1.05rem; color: var(--c-cbd5e1); } .pl-heard .miss, .pl-heard .bad { color: var(--c-f87171); }
/* 考級刷題 */
.bank-ch { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin-top: 14px; }
.self-main .bank-ch button { text-align: left; white-space: normal; display: flex; flex-direction: column; gap: 2px; padding: 10px 12px !important; }
.bank-ch small { color: var(--c-64748b); font-weight: 400; }
.bank-result { padding: 12px 16px; border-radius: 10px; margin-bottom: 12px; font-weight: 600; }
.bank-result.ok { background: var(--c-14532d); color: var(--c-bbf7d0); } .bank-result.bad { background: var(--c-450a0a); color: var(--c-fecaca); }
.pl-examno { display: block; font-size: .8rem; color: var(--c-94a3b8); font-weight: 400; margin-top: 4px; }
.self-main .pl-opts button.picked { border-color: var(--c-60a5fa) !important; }
/* 生詞表、連連看 */
.pl-list { width: min(820px, 100%); display: flex; flex-direction: column; gap: 10px; text-align: left; }
.pl-li { display: grid; grid-template-columns: 140px 1fr; gap: 14px; background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 14px; padding: 14px 18px; }
.pl-li-w b { font-size: 2rem; color: var(--c-f8fafc); } .pl-li .pl-en { margin-top: 2px; font-size: 1rem; }
.pl-match { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; width: min(700px, 100%); }
.pl-match > div { display: flex; flex-direction: column; gap: 10px; }
.self-main .pl-match button { height: 64px; display: flex; align-items: center; justify-content: center; padding: 6px 14px !important; font-size: 1.15rem; border-width: 2px !important; box-shadow: 0 3px 0 var(--c-11151f); white-space: normal; }
.self-main .pl-match [data-ml] { font-size: 1.5rem; }
.self-main .pl-match button.sel { border-color: var(--c-60a5fa) !important; background: var(--c-1e3a5f) !important; }
.self-main .pl-match button.right { border-color: var(--c-22c55e) !important; background: var(--c-14532d) !important; opacity: .55; }
.self-main .pl-match button.wrong { border-color: var(--c-ef4444) !important; background: var(--c-450a0a) !important; }
/* 閱讀題：左文章、右題目（窄視窗上下排） */
.pl-reading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 26px; width: 100%; align-items: start; text-align: left; }
.pl-qside { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 10px; }
.pl-qside .pl-ask { font-size: 1.2rem; }
.pl-opts.one { grid-template-columns: 1fr; width: 100%; }
.pl-passage { text-align: left; font-size: 1.25rem; line-height: 2; background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 18px 22px; }
@media (max-width: 900px) { .pl-reading { grid-template-columns: 1fr; } }
.pl-passage u { color: var(--c-fbbf24); text-decoration: none; }
.node.locked span { background: var(--c-161a24); border-color: var(--c-2d3548); color: var(--c-475569); box-shadow: none; }
.self-main .node.locked { cursor: not-allowed; opacity: .7; }
/* TOCFL 題型：看圖、圖片選項、短文選詞填空 */
.pl-picbox { display: flex; justify-content: center; } .pl-img { max-width: 100%; max-height: 340px; border-radius: 12px; background: #fff; }
.pl-abc { display: inline-block; min-width: 1.6em; color: var(--c-94a3b8); font-weight: 700; margin-right: 6px; }
.pl-opts.imgs { grid-template-columns: repeat(3, minmax(0, 1fr)); width: min(820px, 100%); }
.self-main .pl-opts.imgs button { padding: 8px !important; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pl-opts.imgs img { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; background: #fff; }
/* 考級刷題：閱讀／聽力／口語／寫作分頁、官方題型卡、官方原題 */
.bank-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; background: var(--c-0f1117); border-radius: 12px; padding: 5px; margin: 6px 0 16px; }
.self-main .bank-tabs button { border: none !important; background: none !important; padding: 10px !important; font-size: .95rem; }
.self-main .bank-tabs button.on { background: var(--c-1e3a5f) !important; color: var(--c-7dd3fc) !important; }
.tb-types { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 8px; margin: 2px 0 6px 48px; }
.tb-type { display: flex; flex-direction: column; align-items: stretch; justify-content: space-between; gap: 8px; min-width: 0; background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 10px 12px; }
.tb-type b { display: block; overflow-wrap: anywhere; } .tb-type > button { width: 100%; white-space: nowrap; } .tb-type small { color: var(--c-94a3b8); font-size: .78rem; }
.self-main .tb-all { grid-column: 1 / -1; }
.pl-official { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 22px; width: 100%; align-items: start; }
.pl-offimg { background: #fff; border-radius: 12px; padding: 10px; max-height: 66vh; overflow-y: auto; }
.pl-offimg img { width: 100%; display: block; }
.pl-offans { display: flex; flex-direction: column; gap: 10px; position: sticky; top: 10px; }
.pl-offrow { display: flex; align-items: center; gap: 6px; } .pl-offrow b { width: 56px; font-size: .9rem; color: var(--c-cbd5e1); }
.self-main .pl-offrow button { width: 44px; padding: 10px 0 !important; font-size: 1.05rem; }
.self-main .pl-offrow button.picked { border-color: var(--c-60a5fa) !important; background: var(--c-1e3a5f) !important; }
.self-main .pl-offrow button.right { border-color: var(--c-22c55e) !important; background: var(--c-14532d) !important; }
.self-main .pl-offrow button.wrong { border-color: var(--c-ef4444) !important; background: var(--c-450a0a) !important; }
@media (max-width: 860px) { .pl-official { grid-template-columns: 1fr; } }
.pl-timer { font-variant-numeric: tabular-nums; color: var(--c-fbbf24); font-weight: 700; min-width: 70px; text-align: right; }
.w-card { margin-top: 12px; padding: 20px 22px !important; } .w-prompt { font-size: 1.1rem; line-height: 1.8; margin: 10px 0; color: var(--c-f1f5f9); }
.w-pics { display: flex; gap: 12px; margin: 8px 0 12px; } .w-pics figure { flex: 1; background: #fff; border-radius: 10px; padding: 6px; text-align: center; color: var(--c-334155); }
.w-pics img { max-width: 100%; max-height: 220px; } .w-pics .nopic { padding: 40px 8px; }
.w-count.low { color: var(--c-fbbf24); } .w-count.ok { color: var(--c-4ade80); } .w-count.high { color: var(--c-f87171); }
.w-hist details { border-top: 1px solid var(--c-232a3a); padding: 8px 0; } .w-text { white-space: pre-wrap; color: var(--c-cbd5e1); line-height: 1.8; }
.tb-progress{margin:8px 0 12px}
.tb-progress summary{cursor:pointer;font-weight:600}
.tb-prog{width:100%;border-collapse:collapse;margin:8px 0;font-size:.92em}
.tb-prog th,.tb-prog td{padding:5px 8px;border-bottom:1px solid var(--c-2d3548);text-align:left;white-space:nowrap}
.tb-prog th{color:var(--c-94a3b8);font-weight:500}
.tb-bar{display:inline-block;width:70px;height:6px;background:var(--c-2d3548);border-radius:3px;vertical-align:middle;overflow:hidden}
.tb-bar i{display:block;height:100%;background:var(--c-22c55e)}
.self-quiz[hidden] { display: none !important; }
.bank-result small { display: block; margin-top: 4px; opacity: .85; }
.ty-q { display: flex; flex-direction: column; gap: 10px; }
.ty-target { font-size: 1.9rem; letter-spacing: .06em; color: var(--c-e2e8f0); }
.ty-target .ok { color: var(--c-4ade80); } .ty-target .bad { color: var(--c-f87171); text-decoration: underline; }
.ty-hint { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.ty-hint span { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; }
.ty-hint b { font-weight: 500; color: var(--c-94a3b8); font-size: .85rem; }
.ty-hint kbd { background: var(--c-232a3a); border: 1px solid var(--c-2d3548); border-radius: 6px; padding: 1px 7px; font-family: ui-monospace, monospace; font-size: .85rem; color: var(--c-e2e8f0); }
#ty-in { font-size: 1.3rem; padding: 10px 12px; background: var(--c-0f1117); color: var(--c-e2e8f0); border: 1.5px solid var(--c-2d3548); border-radius: 8px; }
.py-chart td button small { display: block; color: var(--c-94a3b8); font-size: .78rem; font-weight: 400; }
.zy-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 6px; margin-bottom: 8px; }
.zy-grid button { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 4px !important; }
.zy-grid b { font-size: 1.5rem; color: var(--c-e2e8f0); } .zy-grid small { color: var(--c-7dd3fc); } .zy-grid span { color: var(--c-94a3b8); font-size: .85rem; }
.pt-card { border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 14px; margin: 10px 0; background: var(--c-161a24); }
.pt-head { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.pt-big { font-size: 3rem; line-height: 1; color: var(--c-e2e8f0); }
.pt-py { color: var(--c-7dd3fc); font-size: 1.05rem; } .pt-how { color: var(--c-fbbf24); margin-top: 4px; }
.pt-parts { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 6px; }
.pt-part { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 96px; padding: 8px 10px !important; }
.pt-part b { font-size: 1.9rem; color: var(--c-e2e8f0); } .pt-part em { font-style: normal; color: var(--c-fbbf24); font-size: .78rem; }
.pt-part small { color: var(--c-94a3b8); font-size: .75rem; max-width: 150px; text-align: center; white-space: normal; }
.pt-family { display: flex; gap: 6px; flex-wrap: wrap; }
.pt-family button { font-size: 1.2rem; padding: 4px 10px !important; } .pt-family small { font-size: .65rem; color: var(--c-94a3b8); margin-left: 2px; }
.fd-up { margin-top: 8px; gap: 10px; flex-wrap: wrap; }
.btn-file { display: inline-block; cursor: pointer; background: var(--c-232a3a); color: var(--c-cbd5e1); border: 1px solid var(--c-2d3548); border-radius: 8px; padding: 8px 14px; font-size: .9rem; text-transform: none; letter-spacing: 0; }
.btn-file:hover { border-color: var(--c-4f8ef7); color: var(--c-f8fafc); }
.fd-srctext { border: 1px solid var(--c-2d3548); border-radius: 10px; padding: 10px 12px; margin: 8px 0; display: flex; flex-direction: column; gap: 6px; }
.fd-srctext div { color: var(--c-e2e8f0); white-space: pre-wrap; }
.rd-list { display: flex; flex-direction: column; gap: 6px; }
.rd-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; border: 1px solid var(--c-2d3548); border-radius: 10px; padding: 8px 12px; }
.rd-item small { display: block; color: var(--c-94a3b8); font-size: .8rem; }
.lib-done { color: var(--c-4ade80); font-size: .8rem; }
#lib-band small { color: var(--c-94a3b8); font-size: .72rem; }
@media (max-width: 640px) { #lib-band small { display: none; } }

.hist-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.hist-row { display: grid; grid-template-columns: 82px 1fr auto; gap: 10px; align-items: baseline; padding: 4px 0; border-bottom: 1px solid var(--c-232a3a); }
.hist-row small { color: var(--c-94a3b8); } .hist-row b { color: var(--c-7dd3fc); font-weight: 600; white-space: nowrap; }
.self-back { align-self: flex-start; }

#rd-out ruby.rd-now { background: var(--c-facc15); color: var(--c-111827); border-radius: 4px; }
#rd-out ruby.rd-now rt { color: var(--c-111827); }

.hw-box { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; margin-top: 10px; }
.hw-box[hidden] { display: none; }
.hw-pad { width: min(280px, 100%); aspect-ratio: 1; background: var(--c-0f131c); border: 1px solid var(--c-2d3548); border-radius: 12px; touch-action: none; cursor: crosshair; }
.hw-side { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 8px; }
.hw-cands { display: flex; flex-wrap: wrap; gap: 6px; min-height: 48px; }
.hw-cands button { font-size: 1.6rem; padding: 4px 10px; line-height: 1.2; display: flex; flex-direction: column; align-items: center; }
.hw-cands button small { font-size: .65rem; color: var(--c-94a3b8); }

.weak-row { display: grid; grid-template-columns: minmax(90px, 160px) 1fr auto; gap: 10px; align-items: center; padding: 3px 0; }
.weak-row i { height: 8px; border-radius: 99px; background: var(--c-232a3a); overflow: hidden; }
.weak-row i b { display: block; height: 100%; background: var(--c-4ade80); } .weak-row i b.mid { background: var(--c-facc15); } .weak-row i b.bad { background: var(--c-f87171); }
.weak-row small { color: var(--c-94a3b8); white-space: nowrap; }

/* 學習路徑：搭配課本，一課展開成各項練習 */
.lmc-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.lmc-lesson { border: 1px solid var(--c-2d3548); border-radius: 10px; overflow: hidden; }
.lmc-lesson.open { border-color: var(--c-4f8ef7); }
.self-main .lmc-head { width: 100%; text-align: left; border: none !important; border-radius: 0; background: transparent; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.lmc-head small { color: var(--c-94a3b8); font-size: .8rem; }
.lmc-secs { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; padding: 0 10px 10px; }
.self-main .lmc-secs button { display: grid; grid-template-columns: auto 1fr; column-gap: 6px; text-align: left; align-items: center; padding: 8px 10px; }
.lmc-secs button small { grid-column: 1 / -1; color: var(--c-94a3b8); font-size: .72rem; line-height: 1.3; }
.lmc-secs button i { grid-column: 1 / -1; font-style: normal; color: var(--c-4ade80); font-size: .75rem; }
.self-main .lmc-secs button.done { border-color: var(--c-166534) !important; }

/* 本週打卡：週一到週日 */
.self-week { display: flex; align-items: center; gap: 10px; margin: 6px 0 14px; flex-wrap: wrap; }
.self-week .wk-t { color: var(--c-94a3b8); font-size: 13px; margin-right: 4px; }
.wk-d { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 12px; color: var(--c-94a3b8); }
.wk-d i { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--c-2d3548); display: grid; place-items: center; font-style: normal; font-size: 13px; }
.wk-d.ok i { background: var(--c-22c55e); border-color: var(--c-22c55e); color: var(--c-0f1117); font-weight: 700; }
.wk-d.now { color: var(--c-e2e8f0); } .wk-d.now i { border-color: var(--c-4f8ef7); }

/* 單元小測驗：各技能熟悉度 */
.lq-table { margin: 14px auto 6px; border-collapse: collapse; width: auto; min-width: 280px; max-width: 420px; }
.lq-table th, .lq-table td { padding: 6px 14px; border-bottom: 1px solid var(--c-2d3548); text-align: center; }
.lq-good { color: var(--c-22c55e); font-weight: 700; } .lq-mid { color: var(--c-fbbf24); font-weight: 700; } .lq-bad { color: var(--c-f87171); font-weight: 700; }

/* 生活情境頁的加練閱讀 */
.task-extra { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.task-extra b { font-size: 1.02rem; color: var(--c-f1f5f9); } .task-extra small { display: block; color: var(--c-94a3b8); margin-top: 2px; }
.task .chk { color: var(--c-94a3b8); }

/* 老師最常查的詞：文字雲 */
.cloud { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 14px; padding: 10px 4px; }
#top-words .cloud button { background: none; border: 0; box-shadow: none; min-height: 0; color: var(--c-93c5fd); font-weight: 600; line-height: 1.2; cursor: pointer; padding: 2px 4px; border-radius: 6px; }
#top-words .cloud button:nth-child(3n) { color: var(--c-fbbf24); } #top-words .cloud button:nth-child(3n+1) { color: var(--c-86efac); }
#top-words .cloud button:hover { background: var(--c-2d3548); } #top-words .cloud button.in { opacity: .45; } #top-words .cloud button.in::after { content: "✓"; font-size: .6em; margin-left: 2px; }

/* 手機：冊別按鈕一排 3 個、分段按鈕可以換行、表格自己左右滑、下拉選單不超出 */
@media (max-width: 720px) {
  .seg-toggle { flex-wrap: wrap; max-width: 100%; }
  #lmc-book { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .self-main select { max-width: 100%; }
  .set-grid { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .set-grid > * { min-width: 0; }
  .tb-prog { display: block; overflow-x: auto; max-width: 100%; }
}

/* 空白狀態 */
.self-empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; padding: 22px 12px; }
.self-empty > svg.ic { width: 40px; height: 40px; stroke-width: 1.4; color: var(--c-7dd3fc); padding: 8px; border-radius: 12px; background: rgba(79, 142, 247, .12); box-sizing: content-box; }
.self-empty b { font-size: 1.02rem; color: var(--c-f1f5f9); margin-top: 6px; } .self-empty p { color: var(--c-94a3b8); font-size: .9rem; max-width: 36ch; }
.self-empty .btn-go { margin-top: 8px; }

/* 成就徽章 */
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin-top: 4px; }
.badge { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; padding: 12px 8px; border-radius: 12px;
  border: 1px solid var(--c-2d3548); background: var(--c-161a24); }
.badge .badge-ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 999px; background: var(--c-232a3a); color: var(--c-64748b); }
.badge .badge-ic svg.ic { width: 22px; height: 22px; vertical-align: 0; }
.badge b { font-size: .86rem; color: var(--c-94a3b8); font-weight: 600; } .badge small { font-size: .74rem; color: var(--c-64748b); }
.badge.on { border-color: rgba(251, 191, 36, .45); }
.badge.on .badge-ic { background: rgba(251, 191, 36, .14); color: var(--c-fbbf24); } .badge.on b { color: var(--c-f1f5f9); }
.badge-toast { position: fixed; left: 50%; top: 18px; transform: translate(-50%, -140%); z-index: 900; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 12px; background: var(--c-1a1f2e); border: 1px solid rgba(251, 191, 36, .5); color: var(--c-f1f5f9);
  box-shadow: 0 10px 30px rgba(5, 8, 15, .35); transition: transform .35s cubic-bezier(.16, 1, .3, 1); font-weight: 600; }
.badge-toast svg.ic { color: var(--c-fbbf24); width: 22px; height: 22px; } .badge-toast.show { transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) { .badge-toast { transition: none; } }
/* 每週學習報告 */
.week-report { border-color: rgba(79, 142, 247, .45); }
.report-head { display: flex; align-items: center; gap: 12px; }
.report-head > svg.ic { width: 34px; height: 34px; padding: 7px; box-sizing: content-box; border-radius: 12px; background: rgba(79, 142, 247, .12); color: var(--c-7dd3fc); stroke-width: 1.5; }
.report-head b { display: block; font-size: 1.1rem; color: var(--c-f1f5f9); } .report-head small { color: var(--c-94a3b8); font-size: .82rem; }
.report-head button { margin-left: auto; }
.report-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 16px 0 8px; }
.report-stats > div { background: var(--c-161a24); border: 1px solid var(--c-2d3548); border-radius: 12px; padding: 12px; }
.report-stats b { display: block; font-size: 1.5rem; color: var(--c-f8fafc); font-variant-numeric: tabular-nums; } .report-stats b small { font-size: .9rem; color: var(--c-64748b); }
.report-stats span { font-size: .8rem; color: var(--c-94a3b8); }
@media (max-width: 720px) { .report-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.self-main .ph-acts button.tt-report { background: transparent; border-color: transparent; color: var(--c-64748b); font-size: .82rem; padding: 6px 10px; }
.self-main .ph-acts button.tt-report:hover:not(:disabled) { color: var(--c-f87171); border-color: transparent; }

/* 練習項目的說明要能換行（按鈕預設不換行，說明會被切掉） */
.self-main .lmc-secs button { white-space: normal; }
@media (max-width: 720px) {
  .lmc-secs { grid-template-columns: minmax(0, 1fr); }
  /* 練習畫面底部按鈕列：卡片內距在手機是 16px，延伸也只延伸 16px；按鈕放不下就換行 */
  .pl-foot { margin: 0 -16px; padding: 12px 16px; flex-wrap: wrap; }
  .pl-foot button { white-space: normal; flex: 1 1 140px; }
}
.tw-words { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }