:root {
  color-scheme: light;
  --ink: #132b42;
  --muted: #637789;
  --navy: #123a55;
  --teal: #0f7f84;
  --aqua: #8edbd1;
  --cream: #fffaf1;
  --line: rgba(18, 58, 85, .15);
  --shadow: 0 22px 55px rgba(13, 43, 63, .14);
  font-family: Georgia, "Noto Serif TC", "PingFang TC", serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 8% 4%, rgba(142,219,209,.35), transparent 28rem), linear-gradient(145deg, #eaf6f4, #f8f2e8 58%, #e8f2f6); min-height: 100vh; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 12px; top: -90px; z-index: 1000; padding: 10px 16px; background: #fff; color: #123a55; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 90; background: rgba(248,252,252,.9); border-bottom: 1px solid rgba(18,58,85,.1); backdrop-filter: blur(18px); }
.header-inner { max-width: 1500px; margin: 0 auto; min-height: 74px; padding: 10px 24px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.connection-pill, .user-pill, .header-button { border: 1px solid var(--line); border-radius: 999px; padding: 10px 16px; background: rgba(255,255,255,.88); color: var(--ink); font-weight: 800; }
.connection-pill[data-state="online"] { background: #e8faf3; color: #087247; border-color: #a9e4ca; }
.connection-pill[data-state="error"] { background: #fff1ee; color: #a13929; border-color: #f0beb6; }
.listening-shell { width: min(1500px, calc(100% - 36px)); margin: 34px auto 80px; }
.panel { background: rgba(255,250,241,.9); border: 1px solid rgba(255,255,255,.9); border-radius: 30px; box-shadow: var(--shadow); }
.login-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); gap: 24px; min-height: 650px; }
.login-hero, .login-panel { padding: clamp(34px, 5vw, 76px); }
.login-hero { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) minmax(150px, .34fr); align-items: center; gap: clamp(24px, 4vw, 70px); color: #fff; background: linear-gradient(145deg, rgba(10,52,77,.97), rgba(17,112,117,.9)); }
.login-hero::before { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; right: -180px; top: -180px; background: rgba(142,219,209,.22); }
.login-hero-copy { position: relative; z-index: 1; min-width: 0; writing-mode: horizontal-tb; }
.login-hero h1, .dashboard-hero h1, .section-heading h1 { margin: 8px 0 18px; font-size: clamp(2.8rem, 6vw, 6.2rem); line-height: .98; }
.login-hero h1 { max-width: 9em; font-size: clamp(3rem, 5.3vw, 5.8rem); line-height: 1.05; white-space: normal; word-break: keep-all; overflow-wrap: normal; writing-mode: horizontal-tb; }
.login-hero p { max-width: 720px; font-size: clamp(1rem, 1.5vw, 1.28rem); line-height: 1.75; word-break: keep-all; overflow-wrap: break-word; writing-mode: horizontal-tb; }
.eyebrow { margin: 0; color: #df6f2a; font: 900 .78rem/1.2 system-ui, sans-serif; letter-spacing: .22em; text-transform: uppercase; }
.login-hero .eyebrow { color: #9fe8dd; }
.student-label { font-weight: 900; letter-spacing: .08em; }
.sound-wave { position: relative; z-index: 1; min-width: 150px; height: 138px; align-self: start; display: flex; align-items: center; justify-content: center; gap: 10px; margin: clamp(64px, 8vw, 110px) 0 0; writing-mode: horizontal-tb; }
.sound-wave i { width: 12px; height: 35%; border-radius: 999px; background: #fff; opacity: .75; animation: sound-pulse 1.4s ease-in-out infinite alternate; }
.sound-wave i:nth-child(2), .sound-wave i:nth-child(6) { height: 68%; animation-delay: .2s; }
.sound-wave i:nth-child(3), .sound-wave i:nth-child(5) { height: 100%; animation-delay: .4s; }
.sound-wave i:nth-child(4) { height: 52%; animation-delay: .6s; }
.listening-hero-illustration {
  position: absolute;
  z-index: 1;
  right: clamp(22px, 3.5vw, 52px);
  bottom: clamp(18px, 2.5vw, 36px);
  width: min(35%, 390px);
  max-height: 46%;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 20px 28px rgba(5, 30, 44, .24));
  pointer-events: none;
  user-select: none;
}
@keyframes sound-pulse { to { transform: scaleY(.45); opacity: .45; } }
.login-panel { align-self: stretch; display: flex; flex-direction: column; justify-content: center; }
.login-panel h2 { margin: 10px 0 12px; font-size: clamp(2rem, 4vw, 3.8rem); }
.login-panel > p { color: var(--muted); line-height: 1.7; }
form { display: grid; gap: 18px; margin-top: 26px; }
label { display: grid; gap: 8px; font-weight: 800; }
input, select { width: 100%; min-height: 50px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink); padding: 10px 14px; outline: none; }
input:focus, select:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(15,127,132,.12); }
.password-field { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.password-field button { min-width: 76px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--navy); font-weight: 900; }
.primary-button, .secondary-button { border: 0; border-radius: 14px; min-height: 50px; padding: 12px 20px; font-weight: 900; }
.primary-button { color: #fff; background: linear-gradient(135deg, var(--navy), var(--teal)); box-shadow: 0 8px 0 #08283c; }
.secondary-button { color: var(--navy); background: #fff; border: 1px solid var(--line); }
.form-status { min-height: 1.5em; margin: 0; color: var(--muted); }
.form-status[data-state="error"] { color: #aa2d22; }
.dashboard-hero, .section-heading { padding: clamp(26px, 4vw, 52px); display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.dashboard-hero h1, .section-heading h1 { font-size: clamp(2.4rem, 5vw, 5rem); }
.dashboard-hero p:last-child, .section-heading p { color: var(--muted); font-size: 1.08rem; }
.headphone-mark { font: 900 clamp(3rem, 8vw, 7rem)/1 system-ui, sans-serif; color: var(--teal); opacity: .8; }
.system-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 24px; }
.system-card { min-height: 280px; text-align: left; padding: 34px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; color: #fff; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease; }
.system-card:hover, .system-card:focus-visible { transform: translateY(-5px); box-shadow: 0 30px 70px rgba(13,43,63,.2); }
.system-card.dse { background: linear-gradient(140deg, #183e62, #3776a0); }
.system-card.ielts { background: linear-gradient(140deg, #087873, #4db7a8); }
.system-card span { display: block; font: 900 .9rem/1 system-ui, sans-serif; letter-spacing: .18em; opacity: .75; }
.system-card strong { display: block; margin: 54px 0 15px; font-size: clamp(1.65rem, 3vw, 3rem); }
.system-card small { font-size: 1rem; }
.heading-actions { display: flex; align-items: end; gap: 12px; flex-wrap: wrap; }
.sort-control { min-width: 230px; color: var(--muted); font-size: .85rem; }
.practice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.practice-card { min-height: 190px; padding: 25px; border: 1px solid var(--line); border-radius: 22px; text-align: left; color: var(--ink); background: rgba(255,255,255,.9); box-shadow: 0 15px 35px rgba(13,43,63,.09); }
.practice-card:hover, .practice-card:focus-visible { border-color: var(--teal); background: #effbf8; }
.practice-card span { color: var(--teal); font: 900 2.8rem/1 system-ui, sans-serif; }
.practice-card strong { display: block; margin: 30px 0 12px; font-size: 1.35rem; }
.practice-card small { color: var(--muted); }
.catalogue-status { margin: 20px 0; padding: 16px 22px; color: var(--muted); }
.catalogue-status[data-state="ready"] { color: #087247; background: rgba(232,250,243,.94); }
.catalogue-status[data-state="warning"] { color: #8a4e16; background: rgba(255,245,218,.95); }
.catalogue-status[data-state="error"] { color: #a13929; background: rgba(255,241,238,.95); }
.track-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.track-card { scroll-margin-top: 104px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.92); box-shadow: 0 18px 40px rgba(13,43,63,.1); }
.track-card:target, .track-card.is-requested { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(15,127,132,.13), 0 18px 40px rgba(13,43,63,.1); }
.track-heading { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 22px; }
.track-heading span { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: #dff5f1; color: var(--teal); font: 900 1.15rem/1 system-ui, sans-serif; }
.track-heading h2 { margin: 0; font-size: 1.7rem; }
.speed-row { display: grid; grid-template-columns: minmax(150px, .45fr) minmax(0, 1fr); align-items: center; gap: 14px; margin-top: 18px; }
.speed-row label { color: var(--muted); }
audio { width: 100%; min-height: 54px; }
.track-unavailable { padding: 18px; border-radius: 15px; background: #fff2ec; color: #93412d; line-height: 1.6; }
.practice-workspace { --listening-text-scale:1; margin-top:28px; padding:clamp(24px,4vw,48px); }
.practice-workspace__head { display:flex; justify-content:space-between; align-items:flex-start; gap:24px; }
.practice-workspace__head h2 { margin:7px 0 10px; font-size:clamp(2rem,4vw,3.7rem); line-height:1.08; }
.practice-workspace__head p:last-child { max-width:900px; color:var(--muted); line-height:1.7; }
.text-scale-control { min-width:140px; padding:10px 12px; display:grid; gap:5px; border:1px solid var(--line); border-radius:14px; color:var(--muted); background:#fff; font-size:.82rem; font-weight:900; }
.text-scale-control select { min-height:38px; padding:6px 9px; }
.listening-part-tabs { margin:28px 0 20px; padding:7px; display:grid; grid-template-columns:repeat(4,1fr); gap:7px; border:1px solid var(--line); border-radius:18px; background:#edf6f5; }
.listening-part-tabs button { min-height:48px; border:0; border-radius:13px; color:var(--muted); background:transparent; font-weight:900; }
.listening-part-tabs button[aria-selected="true"] { color:#fff; background:linear-gradient(135deg,var(--navy),var(--teal)); box-shadow:0 9px 20px rgba(18,58,85,.2); }
.listening-part { padding-top:8px; font-size:calc(1rem * var(--listening-text-scale)); }
.listening-part__head { display:flex; align-items:flex-start; justify-content:space-between; gap:24px; }
.listening-part__head h2 { margin:4px 0 10px; font-size:2.3rem; }
.listening-part__head p { max-width:800px; margin:8px 0; color:var(--muted); line-height:1.65; }
.listening-part__actions { display:flex; justify-content:flex-end; gap:9px; flex-wrap:wrap; }
.listening-part__actions button { white-space:nowrap; }
.listening-table-wrap { margin-top:24px; overflow-x:auto; border:1px solid var(--line); border-radius:20px; }
.listening-question-table { width:100%; min-width:980px; border-collapse:collapse; background:#fff; }
.listening-question-table caption { padding:18px; text-align:left; color:#fff; background:var(--navy); font-size:1.2rem; font-weight:900; }
.listening-question-table th,.listening-question-table td { padding:18px; border:1px solid var(--line); text-align:left; vertical-align:top; line-height:1.65; }
.listening-question-table th { color:var(--navy); background:#eaf6f4; }
.listening-question-table small { display:block; margin-top:8px; color:var(--muted); font-weight:650; }
.listening-translated-blank { display:inline-block; padding:2px 7px; border-radius:999px; background:rgba(24,85,168,.1); color:#1855a8; font-weight:850; }
.listening-gap { display:flex; align-items:center; gap:8px; margin-top:14px; }
.listening-gap-unit { display:grid; justify-items:start; gap:7px; }
.listening-gap-unit--table { display:inline-grid; min-width:160px; margin:4px 3px; vertical-align:middle; }
.listening-gap b { display:grid; place-items:center; flex:0 0 34px; height:34px; border-radius:50%; color:#fff; background:var(--teal); }
.listening-gap input { min-height:44px; }
.listening-gap--table { display:inline-flex; min-width:150px; margin:0; vertical-align:middle; }
.listening-gap--table input { width:108px; min-height:38px; padding:6px 8px; }
.listening-gap input[data-state="correct"] { border-color:#45aa78; background:#edfaf3; }
.listening-gap input[data-state="wrong"] { border-color:#d76760; background:#fff1ef; }
.listening-gap input[data-state="answer"] { border-color:#c79a28; background:#fff8dd; }
.listening-official-answer-list { display:grid; gap:8px; margin-top:12px; }
.single-answer-tools { margin-top:8px; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.single-answer-reveal { min-height:34px; padding:7px 11px; border:1px solid #9fcfc8; border-radius:10px; color:#0c696c; background:#f3fffd; font:850 .78em/1.2 system-ui,sans-serif; cursor:pointer; }
.single-answer-reveal:hover,.single-answer-reveal:focus-visible,.single-answer-reveal[aria-pressed="true"] { border-color:var(--teal); background:#dff5f1; }
.listening-official-answer { padding:10px 13px; display:inline-flex; align-items:center; gap:5px; border:1px solid #d7b55b; border-radius:11px; color:#6e4b00; background:#fff7d8; font:800 .9em/1.4 inherit; cursor:help; }
.listening-official-answer span { margin-left:5px; color:#8a7750; font-size:.78em; font-weight:700; }
.listening-official-answer[hidden] { display:none !important; }
.listening-question-list { display:grid; gap:16px; margin-top:24px; }
.listening-question-card { display:grid; grid-template-columns:auto minmax(0,1fr); gap:16px; padding:22px; border:1px solid var(--line); border-radius:20px; background:#fff; }
.listening-question-card[data-state="correct"] { border-color:#69c699; background:#effaf4; }
.listening-question-card[data-state="wrong"] { border-color:#e39891; background:#fff3f1; }
.listening-question-card[data-state="answer"] { border-color:#d5b55b; background:#fff9e8; }
.listening-question-card__number { display:grid; place-items:center; width:48px; height:48px; border-radius:15px; color:#fff; background:linear-gradient(135deg,var(--navy),var(--teal)); font-weight:900; }
.listening-question-card__body>p:first-child { margin:5px 0 8px; color:var(--ink); font-size:1.08rem; font-weight:850; line-height:1.7; }
.listening-question-zh { margin:7px 0 12px; color:#6a5367; line-height:1.65; }
.listening-options { display:grid; gap:9px; margin-top:14px; }
.listening-options label { padding:13px 14px; display:grid; grid-template-columns:auto 34px minmax(0,1fr); align-items:flex-start; gap:10px; border:1px solid var(--line); border-radius:14px; background:#fbfdfd; cursor:pointer; }
.listening-options label:has(input:checked) { border-color:var(--teal); background:#e7f7f4; box-shadow:0 0 0 3px rgba(15,127,132,.1); }
.listening-options input { width:20px; min-height:20px; margin-top:3px; accent-color:var(--teal); }
.listening-options strong { display:grid; place-items:center; width:30px; height:30px; border-radius:9px; color:var(--navy); background:#dcefed; }
.listening-options small { display:block; margin-top:5px; color:var(--muted); font-weight:650; }
.listening-select-count { color:var(--teal); font-size:.82rem; font-weight:900; }
.listening-result { grid-column:1/-1; margin:0; padding:12px 14px; border-radius:12px; color:var(--navy); background:rgba(255,255,255,.8); font-weight:900; }
.listening-part-score { margin-top:20px; padding:16px 18px; border-radius:14px; color:#fff; background:linear-gradient(135deg,var(--navy),var(--teal)); font-size:1.1rem; font-weight:900; }
.bookmark-word { display:inline; padding:0 1px; border:0; border-bottom:1px dotted rgba(15,127,132,.38); color:inherit; background:transparent; font:inherit; text-align:inherit; cursor:pointer; }
.bookmark-word:hover,.bookmark-word:focus-visible { color:#087873; border-bottom-style:solid; background:#dff5f1; border-radius:3px; }
.bookmark-word[data-bookmarked="true"] { color:#805800; background:#fff0ad; border-bottom-color:#c69116; }
.bookmark-entry { padding:7px 10px; border:1px solid #b9d9d4; border-radius:999px; color:#0c696c; background:#f8fffe; font:800 .75rem/1.2 system-ui,sans-serif; white-space:nowrap; cursor:pointer; }
.bookmark-entry:hover,.bookmark-entry:focus-visible { border-color:var(--teal); background:#dcf4f0; }
.bookmark-entry[data-bookmarked="true"] { color:#725000; border-color:#d4aa34; background:#fff0ad; }
.listening-transcript { margin-top:34px; padding-top:30px; border-top:1px solid var(--line); }
.listening-transcript__head { display:flex; justify-content:space-between; gap:20px; align-items:end; }
.listening-transcript__head h3 { margin:5px 0 0; font-size:2rem; }
.listening-transcript__head>p { max-width:550px; margin:0; color:var(--muted); line-height:1.6; }
.transcript-title-row { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.transcript-sync-toggle { min-height:38px; padding:8px 12px; border:1px solid #a9d3cd; border-radius:999px; color:#0c696c; background:#f5fffd; font:850 .78rem/1.2 system-ui,sans-serif; cursor:pointer; }
.transcript-sync-toggle[aria-pressed="false"] { color:#765044; border-color:#d9c2b8; background:#fff8f4; }
.transcript-lines { max-height:680px; margin-top:18px; padding:10px; overflow-y:auto; border:1px solid var(--line); border-radius:18px; background:#edf5f4; }
.transcript-line { width:100%; padding:13px 15px; display:grid; gap:6px; border:0; border-radius:12px; color:var(--ink); background:transparent; text-align:left; line-height:1.65; }
.transcript-line__top { display:flex; align-items:flex-start; justify-content:space-between; gap:14px; }
.transcript-line__top>span { min-width:0; }
.transcript-line:hover { background:rgba(255,255,255,.7); }
.transcript-line.is-current { color:#fff; background:linear-gradient(135deg,#13506a,#0f8b89); box-shadow:0 9px 22px rgba(18,58,85,.2); }
.transcript-line small { color:var(--muted); font-size:.9rem; }
.transcript-line.is-current small { color:rgba(255,255,255,.78); }
.transcript-line.is-current .bookmark-entry { color:#fff; border-color:rgba(255,255,255,.45); background:rgba(255,255,255,.12); }
.listening-analysis { margin-top:34px; padding-top:30px; border-top:1px solid var(--line); }
.listening-analysis__head h3 { margin:5px 0 8px; font-size:calc(2rem * var(--listening-text-scale)); }
.listening-analysis__head>p:last-child { color:var(--muted); }
.listening-analysis__grid { margin-top:18px; display:grid; gap:14px; }
.listening-analysis-card { scroll-margin-top:120px; padding:20px; border:1px solid var(--line); border-radius:18px; background:linear-gradient(145deg,#fff,#f7fbfa); box-shadow:0 9px 24px rgba(18,58,85,.06); }
.listening-analysis-card__head { display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; gap:12px; }
.listening-analysis-card__head>span { display:grid; place-items:center; width:40px; height:40px; border-radius:13px; color:#fff; background:linear-gradient(135deg,var(--navy),var(--teal)); font-weight:900; }
.listening-analysis-card__head div { display:grid; gap:1px; }
.listening-analysis-card__head small { color:var(--muted); font-size:.72em; font-weight:800; }
.listening-analysis-card__head strong { color:var(--navy); font-size:1.08em; }
.listening-analysis-card>p { margin:14px 0 0; color:#3c4d5a; line-height:1.75; }
.answer-analysis-dialog { position:fixed; z-index:310; max-height:min(66vh,560px); padding:22px; overflow:auto; border:1px solid #e0c369; border-radius:18px; color:var(--ink); background:#fff9e7; box-shadow:0 24px 70px rgba(18,58,85,.28); }
.answer-analysis-dialog[hidden] { display:none !important; }
.answer-analysis-dialog>[data-analysis-dialog-close] { position:absolute; top:10px; right:12px; width:34px; height:34px; border:0; border-radius:50%; color:var(--navy); background:#fff; font-size:1.35rem; cursor:pointer; }
.answer-analysis-dialog h3 { margin:5px 40px 10px 0; color:var(--navy); }
.answer-analysis-dialog>[data-analysis-dialog-copy] { margin:0; line-height:1.7; }
.answer-analysis-dialog__actions { margin-top:16px; display:flex; align-items:center; gap:9px; flex-wrap:wrap; }
.answer-analysis-dialog__actions>[data-analysis-dialog-audio] { min-height:38px; padding:8px 12px; border:1px solid #b8d7d2; border-radius:999px; color:#fff; background:linear-gradient(135deg,var(--navy),var(--teal)); font:850 .76rem/1.2 system-ui,sans-serif; cursor:pointer; }
.answer-analysis-dialog__actions>[data-analysis-dialog-audio]:disabled { opacity:.48; cursor:not-allowed; }
.floating-audio-player { position:fixed; left:50%; bottom:18px; z-index:250; width:min(900px,calc(100vw - 28px)); padding:12px 14px; display:grid; grid-template-columns:auto auto auto auto minmax(120px,1fr) auto; align-items:center; gap:9px; transform:translateX(-50%); border:1px solid rgba(255,255,255,.45); border-radius:20px; color:#fff; background:linear-gradient(135deg,rgba(18,58,85,.96),rgba(15,127,132,.94)); box-shadow:0 18px 55px rgba(18,58,85,.32); backdrop-filter:blur(14px); }
.floating-audio-player[hidden] { display:none !important; }
.floating-audio-player>div { display:grid; min-width:92px; }
.floating-audio-player small { color:rgba(255,255,255,.72); font-size:.68rem; }
.floating-audio-player button { min-height:40px; padding:8px 12px; border:1px solid rgba(255,255,255,.3); border-radius:12px; color:#fff; background:rgba(255,255,255,.12); font-weight:850; cursor:pointer; }
.floating-audio-player button:hover { background:rgba(255,255,255,.22); }
.floating-audio-player input { width:100%; accent-color:#ffd36d; }
.floating-audio-player time { min-width:105px; text-align:right; font:800 .82rem/1 system-ui,sans-serif; }
.empty-state { margin-top: 24px; min-height: 360px; padding: 50px; text-align: center; display: grid; place-items: center; align-content: center; }
.empty-state span { font-size: 4rem; }
.empty-state h2 { margin-bottom: 0; font-size: 2rem; }
.empty-state p { color: var(--muted); }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 120; max-width: min(430px, calc(100vw - 44px)); padding: 14px 20px; border-radius: 14px; color: #fff; background: var(--navy); box-shadow: var(--shadow); font-weight: 800; }

@media (max-width: 1050px) {
  .login-grid, .system-grid, .track-grid { grid-template-columns: 1fr; }
  .practice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-grid { min-height: 0; }
  .login-hero { min-height: 500px; grid-template-columns: minmax(0, 1fr) minmax(130px, .3fr); }
  .practice-workspace__head,.listening-part__head,.listening-transcript__head { align-items:stretch; flex-direction:column; }
  .listening-part__actions { justify-content:flex-start; }
}

@media (max-width: 650px) {
  .listening-shell { width: min(100% - 20px, 1500px); margin-top: 14px; }
  .header-inner, .dashboard-hero, .section-heading { align-items: stretch; flex-direction: column; }
  .header-actions { justify-content: stretch; }
  .header-actions > * { flex: 1 1 auto; text-align: center; }
  .login-hero, .login-panel, .dashboard-hero, .section-heading { padding: 26px 20px; }
  .login-hero { min-height: 460px; grid-template-columns: 1fr; align-content: center; gap: 22px; }
  .login-hero h1 { max-width: none; font-size: clamp(2.35rem, 12vw, 3.2rem); }
  .sound-wave { position: absolute; left: 20px; bottom: 24px; min-width: 0; width: 94px; height: 76px; gap: 5px; margin: 0; justify-content: flex-start; }
  .sound-wave i { width: 8px; }
  .listening-hero-illustration { right: 18px; bottom: 16px; width: min(220px, 52%); max-height: 160px; }
  .practice-grid { grid-template-columns: 1fr; }
  .speed-row { grid-template-columns: 1fr; }
  .heading-actions, .heading-actions > * { width: 100%; }
  .track-card { padding: 20px; }
  .practice-workspace { padding:22px 16px; }
  .listening-part-tabs { grid-template-columns:repeat(2,1fr); }
  .listening-part__actions>* { flex:1 1 100%; }
  .listening-question-card { grid-template-columns:1fr; padding:17px; }
  .listening-result { grid-column:1; }
  .transcript-line__top { display:grid; }
  .transcript-line__top .bookmark-entry { justify-self:start; }
  .listening-analysis-card__head { grid-template-columns:auto minmax(0,1fr); }
  .listening-analysis-card__head .bookmark-entry { grid-column:1/-1; justify-self:start; }
  .floating-audio-player { grid-template-columns:repeat(3,1fr); }
  .floating-audio-player>div { grid-column:1/-1; display:flex; gap:8px; }
  .floating-audio-player input,.floating-audio-player time { grid-column:1/-1; width:100%; text-align:center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}