/* Dictation & Shadowing tool — SpeakPro brand (pink/teal/purple, Nunito, Bé Pink mascot).
   Namespaced `dx-` to avoid clashing with app `sp-`/guest `gt-` styles. */
:root {
    --pink: #E61D87;
    --pink-dark: #C4156F;
    --pink-light: #FDE8F3;
    --teal: #2BBFBF;
    --teal-dark: #1FA3A3;
    --teal-light: #E0F7F7;
    --purple: #7C3AED;
    --purple-light: #EDE9FE;
    --bg: #FFF5F9;
    --surface: #FFFFFF;
    --border: #f1e3ec;
    --text: #0f172a;
    --text-soft: #475569;
    --text-muted: #94a3b8;
    --ok: #16a34a;
    --bad: #dc2626;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(230, 29, 135, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* The `hidden` attribute must win over the component display rules below
   (.dx-loading/.dx-modal/.dx-workspace set display:flex/grid, which would
   otherwise override the UA [hidden]{display:none} and show them on load). */
[hidden] { display: none !important; }

body {
    font-family: 'Nunito', system-ui, -apple-system, sans-serif;
    background: radial-gradient(1200px 600px at 50% -10%, #ffe9f4 0%, var(--bg) 55%);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ── Top bar ─────────────────────────────────────────────── */
.dx-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; max-width: 1180px; margin: 0 auto;
}
.dx-brand { display: flex; align-items: center; gap: 9px; font-weight: 900; font-size: 19px; color: var(--pink-dark); text-decoration: none; }
.dx-brand img { border-radius: 50%; }
.dx-topbar-right { display: flex; align-items: center; gap: 10px; }

.dx-badge { display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px; font-weight: 800; font-size: 12.5px; }
.dx-badge-pink { background: var(--pink-light); color: var(--pink-dark); }
.dx-badge-teal { background: var(--teal-light); color: var(--teal-dark); }

/* ── Buttons ─────────────────────────────────────────────── */
.dx-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: inherit; font-weight: 800; border: none; cursor: pointer;
    border-radius: 12px; padding: 12px 20px; font-size: 15px;
    transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
    color: #fff; background: var(--pink); text-decoration: none; white-space: nowrap;
}
.dx-btn:hover { transform: translateY(-1px); }
.dx-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.dx-btn-pink { background: var(--pink); box-shadow: 0 8px 18px rgba(230,29,135,.28); }
.dx-btn-pink:hover { background: var(--pink-dark); }
.dx-btn-teal { background: var(--teal); box-shadow: 0 8px 18px rgba(43,191,191,.25); }
.dx-btn-teal:hover { background: var(--teal-dark); }
.dx-btn-secondary { background: #fff; color: var(--pink-dark); border: 1.5px solid var(--border); }
.dx-btn-ghost { background: transparent; color: var(--pink-dark); }
.dx-btn-ghost:hover { background: var(--pink-light); }
.dx-btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 10px; }
.dx-btn-lg { padding: 15px 26px; font-size: 16.5px; }
.dx-btn-block { width: 100%; }

/* ── Layout ──────────────────────────────────────────────── */
.dx-main { max-width: 1180px; margin: 0 auto; padding: 10px 20px 80px; }

/* ── Hero ────────────────────────────────────────────────── */
.dx-hero { text-align: center; padding: 26px 0 10px; }
.dx-hero-mascot { width: 116px; height: auto; margin-bottom: 6px; filter: drop-shadow(0 8px 16px rgba(230,29,135,.18)); }
.dx-hero-title { font-size: clamp(28px, 5vw, 46px); font-weight: 900; line-height: 1.12; letter-spacing: -.5px; }
.dx-hl-pink { color: var(--pink); }
.dx-hl-teal { color: var(--teal-dark); }
.dx-hero-sub { margin: 14px auto 0; max-width: 620px; font-size: 17px; color: var(--text-soft); line-height: 1.5; }

.dx-ingest {
    display: flex; gap: 10px; max-width: 680px; margin: 26px auto 0;
    background: #fff; padding: 8px; border-radius: 16px; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.dx-ingest input {
    flex: 1; border: none; outline: none; font-family: inherit; font-size: 16px;
    padding: 12px 14px; border-radius: 12px; color: var(--text); background: transparent; min-width: 0;
}
.dx-error { color: var(--bad); font-weight: 700; margin-top: 12px; font-size: 14.5px; }

.dx-suggested { margin-top: 42px; }
.dx-suggested-title { font-size: 23px; font-weight: 900; color: var(--text); }
.dx-suggested-label { color: var(--text-soft); font-size: 14px; margin-top: 5px; }
.dx-category-tabs { display: flex; justify-content: center; gap: 8px; margin: 18px auto; max-width: 100%; overflow-x: auto; padding: 2px 2px 8px; scrollbar-width: thin; }
.dx-category-tab { flex: 0 0 auto; border: 1.5px solid var(--border); border-radius: 999px; background: #fff; color: var(--text-soft); padding: 9px 14px; font: 800 13px/1 'Nunito', sans-serif; cursor: pointer; }
.dx-category-tab:hover, .dx-category-tab.is-active { border-color: var(--pink); background: var(--pink-light); color: var(--pink-dark); }
.dx-suggested-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; max-width: 1080px; margin: 0 auto; }
.dx-sugg-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; cursor: pointer; text-align: left; transition: transform .12s, box-shadow .12s; }
.dx-sugg-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.dx-sugg-media { position: relative; }
.dx-sugg-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: #eee; display: block; }
.dx-sugg-duration { position: absolute; right: 7px; bottom: 7px; border-radius: 6px; padding: 3px 6px; background: rgba(15,23,42,.88); color: #fff; font-size: 11px; font-weight: 900; }
.dx-sugg-body { padding: 10px 12px 12px; }
.dx-sugg-title { font-weight: 800; font-size: 14px; line-height: 1.3; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dx-sugg-topic { font-size: 12px; color: var(--teal-dark); font-weight: 700; margin-top: 6px; }

/* ── Workspace ───────────────────────────────────────────── */
.dx-workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 14px; align-items: start; }
.dx-workspace[hidden] { display: none; }
.dx-player-col { position: sticky; top: 16px; }
.dx-player-wrap { position: relative; width: 100%; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; background: #000; box-shadow: var(--shadow); }
.dx-player-wrap iframe, #dx-player { position: absolute; inset: 0; width: 100%; height: 100%; }

.dx-mode-tabs { display: flex; gap: 8px; margin-top: 14px; background: #fff; padding: 6px; border-radius: 14px; border: 1px solid var(--border); }
.dx-tab { flex: 1; padding: 10px; border-radius: 10px; background: transparent; font-weight: 800; font-size: 14.5px; color: var(--text-soft); }
.dx-tab.is-active { background: var(--pink-light); color: var(--pink-dark); }
.dx-video-title { margin-top: 12px; font-weight: 800; font-size: 15px; color: var(--text); }
#dx-change-video { margin-top: 6px; padding-left: 0; }

.dx-practice-col { min-height: 360px; }
.dx-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.dx-progress span { font-weight: 800; font-size: 13.5px; color: var(--text-soft); white-space: nowrap; }
.dx-progress-bar { flex: 1; height: 8px; background: #f3d7e6; border-radius: 999px; overflow: hidden; }
.dx-progress-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--pink), var(--purple)); border-radius: 999px; transition: width .3s; }

.dx-sentence-area { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }

/* Dictation */
.dx-play-line { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }
.dx-play-btn { width: 46px; height: 46px; border-radius: 50%; background: var(--teal); color: #fff; font-size: 18px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; }
.dx-play-btn:hover { background: var(--teal-dark); }
.dx-play-hint { font-weight: 700; color: var(--text-muted); font-size: 13.5px; }
.dx-blanks { font-size: 17px; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 14px; font-weight: 800; }
.dx-input { width: 100%; font-family: inherit; font-size: 16.5px; padding: 14px; border: 1.5px solid var(--border); border-radius: 12px; outline: none; resize: vertical; min-height: 58px; }
.dx-input:focus { border-color: var(--pink); }
.dx-check-row { display: flex; gap: 10px; margin-top: 12px; }

.dx-result { margin-top: 16px; line-height: 1.9; font-size: 17px; }
.dx-w-ok { color: var(--ok); font-weight: 800; }
.dx-w-bad { color: var(--bad); font-weight: 800; text-decoration: line-through; }
.dx-w-miss { color: var(--pink-dark); font-weight: 800; background: var(--pink-light); border-radius: 5px; padding: 0 4px; }
.dx-word { cursor: pointer; border-bottom: 1.5px dotted transparent; }
.dx-word:hover { border-bottom-color: var(--teal); }
.dx-accuracy-badge { display: inline-block; margin-top: 10px; font-weight: 800; font-size: 14px; color: var(--teal-dark); }

/* Shadowing */
.dx-shadow-ref { font-size: 19px; line-height: 1.65; font-weight: 700; margin-bottom: 18px; }
.dx-rec-row { display: flex; gap: 12px; align-items: center; }
.dx-rec-btn { background: var(--pink); }
.dx-rec-btn.is-rec { background: var(--bad); animation: dx-pulse 1.1s infinite; }
@keyframes dx-pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(220,38,38,.4); } 50% { box-shadow: 0 0 0 10px rgba(220,38,38,0); } }

.dx-band-card { margin-top: 18px; text-align: center; background: var(--purple-light); border-radius: 14px; padding: 18px; }
.dx-band-num { font-size: 46px; font-weight: 900; color: var(--purple); line-height: 1; }
.dx-band-label { font-weight: 800; color: var(--text-soft); font-size: 13px; margin-top: 4px; letter-spacing: .5px; }
.dx-band-sub { margin-top: 10px; font-size: 13.5px; color: var(--text-soft); }
.dx-band-words { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.dx-band-word { font-weight: 800; font-size: 14px; padding: 3px 9px; border-radius: 8px; }

.dx-nav { display: flex; justify-content: space-between; margin-top: 16px; }

/* ── Loading overlay ─────────────────────────────────────── */
.dx-loading { position: fixed; inset: 0; background: rgba(255,245,249,.94); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 60; gap: 16px; }
.dx-loading[hidden] { display: none; }
.dx-loading img { width: 130px; animation: dx-bob 1.6s ease-in-out infinite; }
.dx-loading p { font-weight: 800; color: var(--pink-dark); font-size: 17px; }
@keyframes dx-bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ── Modal ───────────────────────────────────────────────── */
.dx-modal { position: fixed; inset: 0; background: rgba(15,23,42,.55); display: flex; align-items: center; justify-content: center; z-index: 70; padding: 20px; }
.dx-modal[hidden] { display: none; }
.dx-modal-card { position: relative; background: #fff; border-radius: 22px; padding: 34px 28px 28px; max-width: 400px; width: 100%; text-align: center; box-shadow: 0 24px 60px rgba(0,0,0,.28); }
.dx-modal-mascot { width: 100px; margin: -74px auto 8px; display: block; }
.dx-modal-card h2 { font-size: 24px; font-weight: 900; color: var(--pink-dark); margin-bottom: 10px; }
.dx-modal-card p { color: var(--text-soft); font-size: 15.5px; line-height: 1.55; margin-bottom: 20px; }
.dx-modal-close { position: absolute; top: 12px; right: 16px; font-size: 26px; color: var(--text-muted); background: none; line-height: 1; }

/* ── Word popover ────────────────────────────────────────── */
.dx-word-pop { position: absolute; z-index: 80; background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 14px 34px rgba(0,0,0,.16); padding: 14px 16px; width:min(340px,calc(100vw - 24px));max-width:340px;max-height:min(520px,70vh);overflow-y:auto; }
.dx-word-pop .w { font-weight: 900; font-size: 17px; color: var(--text); }
.dx-word-pop .ipa { color: var(--teal-dark); font-weight: 700; font-size: 14px; margin-top: 2px; }
.dx-word-pop .mean { color: var(--text-soft); font-size: 14.5px; margin-top: 6px; line-height: 1.45; }
.dx-word-pop .save { margin-top: 12px; width: 100%; }
.dx-word-pop .loading { color: var(--text-muted); font-weight: 700; }
.dx-recording-replay { margin-top:12px; }
.dx-recording-audio, .dx-word-audio { width:100%;height:38px;margin-top:7px; }
.dx-context-meaning { margin:10px 0 8px;padding:9px 10px;border-radius:9px;background:var(--teal-light);color:var(--teal-dark);font-size:13px;line-height:1.45; }
.dx-dict-entry { margin-top:10px;padding-top:9px;border-top:1px solid var(--border); }
.dx-dict-pos { color:var(--purple);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em; }
.dx-dict-sense { margin-top:7px;padding:7px 8px;border-radius:8px;font-size:13px;line-height:1.4; }
.dx-dict-sense.is-context { background:var(--purple-light);box-shadow:inset 3px 0 0 var(--purple); }
.dx-dict-definition { margin-top:2px;color:var(--text-muted);font-size:12px; }
.dx-dict-example { margin-top:3px;color:var(--text-muted);font-size:12px;font-style:italic; }

/* ── Annotation: VN translation toggle + collocation highlight ──────── */
.dx-result-wrap { position: relative; }
.dx-w-colloc { color: var(--purple); font-weight: 800; border-bottom: 2px solid var(--purple); border-radius: 2px; }

.dx-extra-row { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.dx-chip-btn {
    font-family: inherit; font-weight: 800; font-size: 12.5px;
    border: 1.5px solid var(--border); background: var(--surface); color: var(--pink-dark);
    padding: 7px 13px; border-radius: 999px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px;
    transition: background .12s ease, transform .12s ease;
}
.dx-chip-btn:hover { transform: translateY(-1px); background: var(--pink-light); }
.dx-chip-btn.is-active { background: var(--pink); color: #fff; border-color: var(--pink); }

.dx-translation-line {
    margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border);
    color: var(--text-soft); font-size: 14.5px; font-style: italic; line-height: 1.6;
    display: none;
}
.dx-translation-line.is-show { display: block; }

.dx-colloc-pop {
    position: absolute; z-index: 20; background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; box-shadow: 0 14px 34px rgba(0,0,0,.18); padding: 12px 14px;
    max-width: 230px; font-size: 13.5px; display: none;
}
.dx-colloc-pop.is-show { display: block; }
.dx-colloc-pop .tag {
    display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: .04em;
    text-transform: uppercase; color: var(--purple); background: var(--purple-light);
    padding: 2px 7px; border-radius: 6px; margin-bottom: 6px;
}
.dx-colloc-pop .phrase { font-weight: 900; color: var(--text); }
.dx-colloc-pop .mean { color: var(--text-soft); margin-top: 4px; line-height: 1.45; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 860px) {
    .dx-workspace { grid-template-columns: 1fr; }
    .dx-player-col { position: static; }
    .dx-ingest { flex-direction: column; }
    .dx-ingest .dx-btn { width: 100%; }
    .dx-category-tabs { justify-content: flex-start; }
}