/* ==========================================================================
   Prépa Concours — styles (tout est scopé sous .pc-app)
   Identité : copie de concours — encre marine, or de médaille,
   couleur de la matière en accent (--pc-accent).
   ========================================================================== */
.pc-app {
    --pc-ink: #14213d;
    --pc-ink-2: #3d4766;
    --pc-muted: #6b7390;
    --pc-line: #dfe3ee;
    --pc-paper: #f6f7fb;
    --pc-card: #ffffff;
    --pc-gold: #f4b400;
    --pc-gold-soft: #fff4d1;
    --pc-good: #12915f;
    --pc-good-soft: #e3f6ed;
    --pc-bad: #d64545;
    --pc-bad-soft: #fde9e9;
    --pc-accent: #d62828;
    --pc-radius: 18px;
    --pc-font: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --pc-display: 'Fredoka', 'Nunito', system-ui, sans-serif;

    font-family: var(--pc-font);
    color: var(--pc-ink);
    background: var(--pc-paper);
    line-height: 1.5;
    padding-bottom: 60px;
    -webkit-font-smoothing: antialiased;
}
.pc-app *, .pc-app *::before, .pc-app *::after { box-sizing: border-box; }
.pc-app h1, .pc-app h2, .pc-app h3 { font-family: var(--pc-display); font-weight: 600; line-height: 1.15; margin: 0; color: var(--pc-ink); }
.pc-app p { margin: 0; }
.pc-app ul { list-style: none; margin: 0; padding: 0; }
.pc-app a { color: inherit; text-decoration: none; }
.pc-app button { font-family: inherit; }
.pc-app [hidden] { display: none !important; }
.pc-app :focus-visible { outline: 3px solid var(--pc-gold); outline-offset: 2px; border-radius: 10px; }
.pc-wrap { width: min(1180px, 100%); margin: 0 auto; padding: 0 16px; }
.pc-kicker { font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--pc-accent); }
.pc-small { font-size: .85rem; color: var(--pc-muted); }
.pc-alert { margin: 18px 0; padding: 14px 18px; border-radius: 14px; background: var(--pc-gold-soft); border: 1px solid #f1d27a; font-weight: 700; }

/* ---------- Boutons ---------- */
.pc-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 46px; padding: 10px 20px;
    border: 2px solid var(--pc-ink); border-radius: 14px;
    font: 800 1rem/1.1 var(--pc-font);
    cursor: pointer;
    transition: transform .12s, box-shadow .12s, background .15s;
}
.pc-btn-main { background: var(--pc-gold); color: var(--pc-ink); box-shadow: 0 4px 0 var(--pc-ink); }
.pc-btn-main:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--pc-ink); }
.pc-btn-main:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--pc-ink); }
.pc-btn-ghost { background: #fff; color: var(--pc-ink); }
.pc-btn-ghost:hover { background: var(--pc-paper); }
.pc-btn-sm { min-height: 38px; padding: 6px 14px; font-size: .9rem; }
.pc-btn:disabled { opacity: .55; cursor: wait; transform: none; }

/* ---------- Catalogue : bandeau ---------- */
.pc-hero {
    padding: 44px 0 36px;
    background:
        radial-gradient(circle at 85% 20%, rgba(244, 180, 0, .25), transparent 40%),
        linear-gradient(135deg, #14213d, #22315c);
    color: #fff;
}
.pc-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 32px; align-items: center; }
.pc-hero .pc-kicker { color: var(--pc-gold); }
.pc-app .pc-hero h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3rem); margin: 6px 0 12px; }
.pc-lead { max-width: 640px; color: rgba(255, 255, 255, .85); font-size: 1.08rem; }
.pc-facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px !important; }
.pc-facts li { padding: 10px 14px; border-radius: 14px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); }
.pc-facts strong { display: block; font-family: var(--pc-display); font-size: 1.35rem; color: var(--pc-gold); }
.pc-facts span { font-size: .85rem; color: rgba(255, 255, 255, .8); }
.pc-hero-sheet {
    padding: 16px; border-radius: 16px; background: #fff; color: var(--pc-ink);
    transform: rotate(3deg); box-shadow: 0 18px 40px rgba(0, 0, 0, .3);
}
.pc-sheet-head { font-weight: 900; font-size: .78rem; letter-spacing: .12em; text-align: center; padding-bottom: 8px; border-bottom: 2px solid var(--pc-ink); margin-bottom: 8px; }
.pc-sheet-row { display: grid; grid-template-columns: 26px repeat(4, 1fr); align-items: center; gap: 6px; padding: 4px 0; font-weight: 800; }
.pc-sheet-row i, .pc-sheet-line i {
    font-style: normal; display: grid; place-items: center;
    width: 26px; height: 26px; border-radius: 50%;
    border: 2px solid var(--pc-ink-2); font-size: .72rem; font-weight: 800; color: var(--pc-ink-2);
}
.pc-sheet-row i.on, .pc-sheet-line i.on { background: var(--pc-ink); border-color: var(--pc-ink); color: #fff; }

/* ---------- Catalogue : matières et niveaux ---------- */
.pc-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: -22px 0 26px; position: relative; }
.pc-tab {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 18px; border-radius: 16px;
    background: #fff; border: 2px solid var(--pc-line);
    font-weight: 800; box-shadow: 0 6px 16px rgba(20, 33, 61, .08);
}
.pc-tab small { padding: 2px 8px; border-radius: 999px; background: var(--pc-paper); font-size: .78rem; }
.pc-tab.is-active { border-color: var(--pc-tab); color: var(--pc-tab); box-shadow: 0 4px 0 var(--pc-tab); }
.pc-tab-icon { font-size: 1.3rem; }

.pc-level { margin-bottom: 30px; }
.pc-level-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.pc-level-badge {
    min-width: 64px; height: 64px; padding: 0 10px;
    display: grid; place-items: center;
    border-radius: 50%; background: var(--pc-gold); color: var(--pc-ink);
    font: 700 1.25rem/1 var(--pc-display); border: 3px solid var(--pc-ink);
    box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--pc-gold);
}
.pc-app .pc-level-head h2 { font-size: 1.5rem; }
.pc-level-head p { color: var(--pc-muted); font-weight: 700; }
.pc-soon { padding: 16px 18px; border-radius: 14px; border: 2px dashed var(--pc-line); color: var(--pc-muted); font-weight: 700; background: #fff; }

.pc-exam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.pc-exam {
    display: flex; flex-direction: column; gap: 12px;
    padding: 20px; border-radius: var(--pc-radius);
    background: #fff; border: 1px solid var(--pc-line);
    border-top: 6px solid var(--pc-accent);
    box-shadow: 0 10px 24px rgba(20, 33, 61, .07);
}
.pc-exam-top { display: flex; justify-content: space-between; gap: 12px; }
.pc-exam-kicker { font-size: .8rem; font-weight: 800; color: var(--pc-muted); }
.pc-app .pc-exam h3 { font-size: 1.3rem; margin-top: 2px; }
.pc-best { text-align: center; padding: 6px 10px; border-radius: 12px; background: var(--pc-gold-soft); border: 1px solid #f1d27a; line-height: 1.1; }
.pc-best strong { display: block; font: 700 1.3rem/1 var(--pc-display); }
.pc-best small { font-size: .75rem; color: var(--pc-muted); font-weight: 700; }
.pc-exam-desc { color: var(--pc-ink-2); }
.pc-exam-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: .88rem; font-weight: 700; color: var(--pc-ink-2); }
.pc-exam-meta li { padding: 4px 10px; border-radius: 999px; background: var(--pc-paper); }
.pc-exam .pc-btn-main { align-self: stretch; }
.pc-train { padding-top: 12px; border-top: 1px dashed var(--pc-line); }
.pc-train p { font-size: .85rem; font-weight: 800; color: var(--pc-muted); margin-bottom: 8px; }
.pc-train-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pc-chip { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--pc-line); background: #fff; font-size: .85rem; font-weight: 700; }
.pc-chip:hover { border-color: var(--pc-accent); color: var(--pc-accent); }

.pc-note { margin-top: 34px; padding: 22px; border-radius: var(--pc-radius); background: #fff; border: 1px solid var(--pc-line); display: grid; gap: 10px; }
.pc-app .pc-note h2 { font-size: 1.2rem; }
.pc-note .pc-btn { justify-self: start; }

/* ---------- Épreuve : accueil ---------- */
.pc-back { display: inline-block; margin: 20px 0 12px; font-weight: 800; color: var(--pc-muted); }
.pc-back:hover { color: var(--pc-ink); }
.pc-intro { padding: 26px; border-radius: var(--pc-radius); background: #fff; border: 1px solid var(--pc-line); border-top: 6px solid var(--pc-accent); }
.pc-app .pc-intro h1 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin: 6px 0 18px; }
.pc-intro-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.pc-bareme { width: 100%; border-collapse: collapse; font-size: .95rem; }
.pc-bareme th, .pc-bareme td { padding: 8px 10px; border-bottom: 1px solid var(--pc-line); text-align: left; }
.pc-bareme th { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--pc-muted); }
.pc-bareme td:not(:first-child), .pc-bareme th:not(:first-child) { text-align: center; }
.pc-bareme tfoot td { font-weight: 900; border-bottom: 0; }
.pc-rules { display: grid; gap: 10px; }
.pc-rules li { padding: 10px 14px; border-radius: 12px; background: var(--pc-paper); }
.pc-intro-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }

/* ---------- Épreuve : barre fixe ---------- */
.pc-bar { position: sticky; top: 0; z-index: 30; background: var(--pc-ink); color: #fff; box-shadow: 0 6px 18px rgba(0, 0, 0, .2); }
.pc-bar-inner { display: flex; align-items: center; gap: 14px; min-height: 64px; }
.pc-bar-title { flex: 1; min-width: 0; display: grid; line-height: 1.2; }
.pc-bar-title strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pc-bar-title span { font-size: .8rem; color: rgba(255, 255, 255, .7); }
.pc-timer {
    padding: 6px 14px; border-radius: 12px;
    background: rgba(255, 255, 255, .12);
    font: 700 1.5rem/1 var(--pc-display); font-variant-numeric: tabular-nums;
}
.pc-timer.is-warn { background: var(--pc-gold); color: var(--pc-ink); }
.pc-timer.is-hot { background: var(--pc-bad); animation: pc-pulse 1s infinite; }
.pc-count { font-weight: 800; font-size: .9rem; white-space: nowrap; color: rgba(255, 255, 255, .85); }
.pc-progress { height: 4px; background: rgba(255, 255, 255, .15); }
.pc-progress span { display: block; height: 100%; width: 0; background: var(--pc-gold); transition: width .3s; }

/* ---------- Épreuve : copie + grille ---------- */
.pc-exam-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 22px; align-items: start; padding-top: 22px; }
.pc-exam-layout.is-training { grid-template-columns: minmax(0, 860px); justify-content: center; }
.pc-section { margin-bottom: 26px; }
.pc-section-head {
    display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px;
    padding: 10px 16px; margin-bottom: 12px;
    border-radius: 14px 14px 0 0;
    background: var(--pc-accent); color: #fff;
}
.pc-app .pc-section-head h2 { color: #fff; font-size: 1.15rem; }
.pc-section-pts { font-size: .82rem; font-weight: 800; color: rgba(255, 255, 255, .9); }

.pc-support { margin-bottom: 12px; padding: 16px 18px; border-radius: 14px; background: #fff; border: 1px solid var(--pc-line); }
.pc-audio-main { display: flex; align-items: center; gap: 14px; }
.pc-audio-main > div { flex: 1; }
.pc-audio-main p { font-size: .88rem; color: var(--pc-muted); font-weight: 700; }
.pc-play-btn {
    flex: 0 0 56px; height: 56px; border-radius: 50%;
    border: 3px solid var(--pc-ink); background: var(--pc-gold); color: var(--pc-ink);
    font-size: 1.4rem; cursor: pointer; box-shadow: 0 3px 0 var(--pc-ink);
}
.pc-play-btn:disabled { background: var(--pc-line); cursor: not-allowed; box-shadow: none; }
.pc-audio.is-playing .pc-play-btn { animation: pc-pulse 1s infinite; }
.pc-warn { margin-top: 10px; font-size: .88rem; color: var(--pc-bad); font-weight: 700; }
.pc-transcript { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--pc-line); }
.pc-transcript-label { font-size: .78rem; font-weight: 800; text-transform: uppercase; color: var(--pc-muted); }
.pc-text { background: #fffdf6; border-left: 6px solid var(--pc-gold); }
.pc-text-title { font-weight: 900; margin-bottom: 8px; }
.pc-text-body { font-size: 1.05rem; line-height: 1.7; }
.pc-text-source { margin-top: 8px; font-size: .85rem; font-style: italic; color: var(--pc-muted); }

.pc-question {
    position: relative;
    margin-bottom: 12px; padding: 16px 18px;
    border-radius: 14px; background: #fff; border: 1px solid var(--pc-line);
    scroll-margin-top: 90px;
    transition: border-color .2s, box-shadow .2s;
}
.pc-question.is-answered { border-color: color-mix(in srgb, var(--pc-ink) 35%, transparent); }
.pc-question.is-good { border-color: var(--pc-good); box-shadow: inset 4px 0 0 var(--pc-good); }
.pc-question.is-bad { border-color: var(--pc-bad); box-shadow: inset 4px 0 0 var(--pc-bad); }
.pc-q-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.pc-q-num {
    flex: 0 0 34px; height: 34px; display: grid; place-items: center;
    border-radius: 50%; background: var(--pc-accent); color: #fff;
    font: 700 1rem/1 var(--pc-display);
}
.pc-app .pc-q-head h3 { font-family: var(--pc-font); font-weight: 800; font-size: 1.05rem; padding-top: 5px; }
.pc-q-img { display: block; max-width: min(320px, 100%); max-height: 200px; margin: 0 0 12px 46px; border-radius: 10px; object-fit: contain; }
.pc-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding-left: 46px; }
.pc-choice {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: 12px;
    border: 2px solid var(--pc-line); background: #fff; color: var(--pc-ink);
    text-align: left; font: 700 .98rem/1.3 var(--pc-font); cursor: pointer;
    transition: border-color .12s, background .12s;
}
.pc-choice:hover:not(:disabled) { border-color: var(--pc-ink-2); }
.pc-choice .pc-bubble {
    flex: 0 0 30px; height: 30px; display: grid; place-items: center;
    border-radius: 50%; border: 2px solid var(--pc-ink-2);
    font-weight: 900; font-size: .85rem; color: var(--pc-ink-2);
}
.pc-choice.is-on { border-color: var(--pc-ink); background: #eef1f8; }
.pc-choice.is-on .pc-bubble { background: var(--pc-ink); border-color: var(--pc-ink); color: #fff; }
.pc-choice:disabled { cursor: default; }
.pc-choice.is-right { border-color: var(--pc-good); background: var(--pc-good-soft); }
.pc-choice.is-right .pc-bubble { background: var(--pc-good); border-color: var(--pc-good); color: #fff; }
.pc-choice.is-wrong { border-color: var(--pc-bad); background: var(--pc-bad-soft); }
.pc-choice.is-wrong .pc-bubble { background: var(--pc-bad); border-color: var(--pc-bad); color: #fff; }
.pc-free { display: flex; gap: 8px; padding-left: 46px; }
.pc-free input {
    width: 180px; min-height: 44px; padding: 8px 12px;
    border: 2px solid var(--pc-line); border-radius: 12px;
    font: 800 1.1rem/1 var(--pc-font); letter-spacing: .08em;
}
.pc-free input:focus { outline: none; border-color: var(--pc-ink); }
.pc-clear { margin: 10px 0 0 46px; padding: 0; border: 0; background: none; color: var(--pc-muted); font-weight: 800; font-size: .85rem; text-decoration: underline; cursor: pointer; }
.pc-feedback { margin: 12px 0 0 46px; padding: 10px 14px; border-radius: 12px; }
.pc-feedback.is-good { background: var(--pc-good-soft); color: #0b5e3e; }
.pc-feedback.is-bad { background: var(--pc-bad-soft); color: #8f2020; }
.pc-feedback p { margin-top: 4px !important; font-weight: 600; }
.pc-end { text-align: center; padding: 10px 0 20px; }

.pc-sheet {
    position: sticky; top: 92px;
    max-height: calc(100vh - 110px); overflow: auto;
    padding: 14px; border-radius: 14px; background: #fff; border: 2px solid var(--pc-ink);
}
.pc-sheet-title { font-weight: 900; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; text-align: center; padding-bottom: 8px; margin-bottom: 6px; border-bottom: 2px solid var(--pc-ink); }
.pc-sheet-line { display: grid; grid-template-columns: 28px repeat(4, 1fr); align-items: center; gap: 4px; padding: 3px 4px; border-radius: 8px; font-weight: 800; font-size: .85rem; }
.pc-sheet-line:hover { background: var(--pc-paper); }
.pc-sheet-line i { width: 24px; height: 24px; font-size: .68rem; }
.pc-sheet-line.is-free { grid-template-columns: 28px 1fr; }
.pc-sheet-line.is-free em { font-style: normal; padding: 2px 8px; border: 2px solid var(--pc-ink-2); border-radius: 8px; min-height: 24px; }

/* ---------- Fenêtre de confirmation ---------- */
.pc-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgba(20, 33, 61, .55); }
.pc-modal-box { width: min(460px, 100%); padding: 24px; border-radius: var(--pc-radius); background: #fff; display: grid; gap: 12px; box-shadow: 0 20px 50px rgba(0, 0, 0, .3); }
.pc-modal-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 6px; }

/* ---------- Résultats ---------- */
.pc-result { margin-top: 22px; padding: 26px; border-radius: var(--pc-radius); background: #fff; border: 1px solid var(--pc-line); border-top: 6px solid var(--pc-gold); }
.pc-timeup { margin-bottom: 14px !important; padding: 10px 14px; border-radius: 12px; background: var(--pc-gold-soft); font-weight: 800; }
.pc-result-grid { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; align-items: center; }
.pc-medal { display: grid; justify-items: center; gap: 6px; text-align: center; }
.pc-medal span { font-size: 4.5rem; line-height: 1; animation: pc-drop .6s cubic-bezier(.2, 1.4, .4, 1); }
.pc-medal strong { font-family: var(--pc-display); font-size: 1.05rem; }
.pc-total-score { display: flex; align-items: baseline; gap: 8px; margin: 4px 0 6px; }
.pc-total-score strong { font: 700 clamp(2.6rem, 7vw, 3.6rem)/1 var(--pc-display); color: var(--pc-ink); }
.pc-total-score span { font-weight: 800; color: var(--pc-muted); }
.pc-total > p:not(.pc-kicker) { margin-top: 4px; }
.pc-bonus-line { font-weight: 800; }
.pc-res-bars { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin-top: 22px !important; }
.pc-res-bars li { padding: 12px; border-radius: 12px; background: var(--pc-paper); }
.pc-res-row { display: flex; justify-content: space-between; gap: 8px; font-weight: 800; font-size: .92rem; }
.pc-res-bar { height: 10px; margin: 8px 0 4px; border-radius: 999px; background: var(--pc-line); overflow: hidden; }
.pc-res-bar span { display: block; height: 100%; border-radius: inherit; background: var(--pc-accent); }
.pc-res-bars small { color: var(--pc-muted); font-weight: 700; }

.pc-app .pc-corr-title { margin: 30px 0 14px; font-size: 1.5rem; }
.pc-corr-section { margin-bottom: 20px; }
.pc-app .pc-corr-section h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--pc-accent); }
.pc-corr-support { margin-bottom: 10px; padding: 10px 14px; border-radius: 12px; background: #fff; border: 1px solid var(--pc-line); }
.pc-corr-support summary { cursor: pointer; font-weight: 800; }
.pc-corr-support div { margin-top: 8px; line-height: 1.6; }
.pc-corr { margin-bottom: 8px; padding: 12px 16px; border-radius: 12px; background: #fff; border: 1px solid var(--pc-line); border-left: 6px solid var(--pc-line); }
.pc-corr.is-good { border-left-color: var(--pc-good); }
.pc-corr.is-bad { border-left-color: var(--pc-bad); }
.pc-corr.is-blank { border-left-color: var(--pc-muted); }
.pc-corr-head { display: flex; align-items: flex-start; gap: 10px; }
.pc-corr-head p { flex: 1; font-weight: 800; padding-top: 5px; }
.pc-corr-pts { padding: 3px 10px; border-radius: 999px; font-weight: 900; font-size: .85rem; background: var(--pc-paper); white-space: nowrap; }
.pc-corr.is-good .pc-corr-pts { background: var(--pc-good-soft); color: #0b5e3e; }
.pc-corr.is-bad .pc-corr-pts { background: var(--pc-bad-soft); color: #8f2020; }
.pc-corr-line { margin: 6px 0 0 44px !important; font-size: .95rem; }
.pc-corr-line.is-answer { color: #0b5e3e; }
.pc-corr-explain { margin: 6px 0 0 44px !important; font-size: .92rem; color: var(--pc-ink-2); }

/* ---------- Introuvable ---------- */
.pc-notfound { text-align: center; padding: 60px 16px; display: grid; justify-items: center; gap: 12px; }
.pc-notfound-icon { font-size: 3.5rem; }

@keyframes pc-pulse { 50% { opacity: .65; } }
@keyframes pc-drop { from { opacity: 0; transform: translateY(-20px) scale(.6); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
    .pc-app *, .pc-app *::before, .pc-app *::after { animation: none !important; transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .pc-exam-layout { grid-template-columns: minmax(0, 1fr); }
    .pc-sheet { position: static; max-height: none; order: -1; }
    .pc-sheet-rows { display: flex; flex-wrap: wrap; gap: 6px; }
    .pc-sheet-line { display: flex; gap: 2px; padding: 4px 6px; border: 1px solid var(--pc-line); }
    .pc-sheet-line i { display: none; }
    .pc-sheet-line.is-done { background: var(--pc-ink); color: #fff; border-color: var(--pc-ink); }
    .pc-sheet-line.is-free em { display: none; }
}
@media (max-width: 720px) {
    .pc-hero-grid, .pc-intro-grid, .pc-result-grid { grid-template-columns: 1fr; }
    .pc-hero-sheet { display: none; }
    .pc-tabs { margin-top: 16px; }
    .pc-exam-grid { grid-template-columns: 1fr; }
    .pc-choices { grid-template-columns: 1fr; padding-left: 0; }
    .pc-free, .pc-clear, .pc-feedback, .pc-corr-line, .pc-corr-explain { padding-left: 0; margin-left: 0 !important; }
    .pc-q-img { margin-left: 0; }
    .pc-bar-title span, .pc-count { display: none; }
    .pc-timer { font-size: 1.2rem; }
    .pc-medal span { font-size: 3.5rem; }
}