/* ============================================================
   Prépa médecine : feuille commune des fiches medecine/*.html
   Un thème clair, une couleur d'accent par fiche (--acc), des
   schémas SVG sobres. Pas de dégradé violent, pas d'ombre lourde.
   ============================================================ */
:root {
    --ink: #0f172a;
    --ink-2: #334155;
    --muted: #64748b;
    --paper: #FBFAF7;
    --card: #ffffff;
    --line: rgba(15, 23, 42, 0.1);
    --acc: #0E7490;
    --acc-ink: #155E75;
    --acc-soft: #E0F2F7;
    --rose: #BE185D;
    --rose-soft: #FCE7F3;
    --ok: #15803d;
    --ok-soft: #DCFCE7;
    --ko: #B91C1C;
    --ko-soft: #FEE2E2;
    --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Outfit', system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Space Grotesk', 'Outfit', sans-serif; letter-spacing: -0.02em; margin: 0; color: var(--ink); }
p { margin: 0 0 12px; }
a { color: var(--acc-ink); }
strong { color: var(--ink); }
sup, sub { font-size: 0.72em; }

.pm-wrap { max-width: 860px; margin: 0 auto; padding: 0 18px; }

/* ---------- En-tête ---------- */
.pm-header { padding: 58px 0 26px; }
.pm-kicker {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: 999px;
    background: var(--acc-soft); color: var(--acc-ink);
    font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
    margin-bottom: 18px;
}
.pm-kicker svg { width: 14px; height: 14px; }
.pm-title { font-size: clamp(34px, 6vw, 54px); font-weight: 800; line-height: 1.02; margin-bottom: 14px; }
.pm-title em { font-style: normal; color: var(--acc); }
.pm-lead { font-size: 18px; color: var(--ink-2); max-width: 640px; margin-bottom: 20px; }
.pm-goals { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; max-width: 640px; }
.pm-goals li { position: relative; padding-left: 26px; color: var(--ink-2); font-size: 15px; }
.pm-goals li::before {
    content: ''; position: absolute; left: 0; top: 7px; width: 14px; height: 14px; border-radius: 4px;
    background: var(--acc-soft); border: 2px solid var(--acc);
}
.pm-goals-title { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }

/* ---------- Cartes de contenu ---------- */
.pm-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 26px 26px 22px;
    margin: 0 0 20px;
}
.pm-card h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.pm-card h3 { font-size: 17px; font-weight: 700; margin: 18px 0 8px; }
.pm-card p, .pm-card li { color: var(--ink-2); font-size: 15.5px; }
.pm-card ul { padding-left: 20px; margin: 0 0 12px; }
.pm-card li { margin-bottom: 4px; }
.pm-step {
    display: inline-block; font-family: var(--mono); font-size: 11px; font-weight: 700;
    color: var(--acc-ink); background: var(--acc-soft); border-radius: 6px; padding: 3px 8px; margin-bottom: 10px;
    letter-spacing: 0.04em;
}

/* Schéma */
.pm-figure { margin: 14px 0 6px; }
.pm-figure svg { display: block; width: 100%; height: auto; max-width: 720px; margin: 0 auto; }
.pm-figure figcaption { font-size: 13px; color: var(--muted); text-align: center; margin-top: 8px; }
.pm-figure text { font-family: 'Outfit', system-ui, sans-serif; }
.pm-figure .mono { font-family: var(--mono); }

/* Formule */
.pm-formula {
    font-family: var(--mono); font-size: 15px; color: var(--ink);
    background: #F1F5F9; border-radius: 12px; padding: 12px 16px; margin: 10px 0 12px;
    overflow-x: auto; white-space: nowrap;
}
.pm-formula small { color: var(--muted); font-family: 'Outfit', sans-serif; font-size: 13px; white-space: normal; }
.pm-formula .frac { display: inline-flex; flex-direction: column; align-items: center; vertical-align: middle; margin: 0 3px; line-height: 1.1; }
.pm-formula .frac span:first-child { border-bottom: 1.5px solid var(--ink); padding: 0 4px; }

/* Encadrés */
.pm-note, .pm-clinic, .pm-warn {
    border-radius: 0 14px 14px 0; padding: 12px 16px; margin: 14px 0;
    font-size: 14.5px; color: var(--ink-2);
}
.pm-note { border-left: 3px solid var(--acc); background: var(--acc-soft); }
.pm-clinic { border-left: 3px solid var(--rose); background: var(--rose-soft); }
.pm-warn { border-left: 3px solid #B45309; background: #FEF3C7; }
.pm-note b, .pm-clinic b, .pm-warn b { display: block; font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.pm-note b { color: var(--acc-ink); }
.pm-clinic b { color: var(--rose); }
.pm-warn b { color: #92400E; }

/* Repères chiffrés (tableau) */
.pm-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 8px 0 12px; }
.pm-table th, .pm-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.pm-table th { font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 800; }
.pm-table td.num { font-family: var(--mono); font-size: 13.5px; white-space: nowrap; }
.pm-table-wrap { overflow-x: auto; }

/* Widgets : curseurs */
.pm-widget { background: #F8FAFC; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px 14px; margin: 14px 0; }
.pm-widget-title { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.pm-range { display: flex; align-items: center; gap: 12px; margin: 8px 0; font-size: 14px; font-weight: 700; color: var(--ink-2); }
.pm-range input[type=range] { flex: 1; accent-color: var(--acc); }
.pm-range output { font-family: var(--mono); font-size: 13px; min-width: 88px; text-align: right; color: var(--ink); }
.pm-readout { font-size: 15px; color: var(--ink); margin-top: 8px; min-height: 1.6em; }
.pm-readout b { color: var(--acc-ink); }
.pm-seg { display: inline-flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 10px; }
.pm-seg button {
    font: 700 13px/1 'Outfit', sans-serif; padding: 8px 12px; border-radius: 999px; cursor: pointer;
    border: 1.5px solid var(--line); background: #fff; color: var(--ink-2);
}
.pm-seg button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Exercices ---------- */
.pm-exo { border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; margin: 12px 0; background: #fff; }
.pm-exo-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.pm-exo-num { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--acc-ink); }
.pm-exo-q { font-size: 15.5px; color: var(--ink); }
.pm-exo-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.pm-exo-row input {
    font: 600 16px/1 var(--mono); padding: 10px 12px; border-radius: 10px; border: 1.5px solid var(--line);
    width: 150px; color: var(--ink); background: #fff;
}
.pm-exo-row input:focus { outline: none; border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
.pm-exo-unit { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.pm-btn {
    font: 800 14px/1 'Outfit', sans-serif; padding: 11px 16px; border-radius: 999px; cursor: pointer;
    border: 0; background: var(--ink); color: #fff;
}
.pm-btn:hover { background: #1e293b; }
.pm-btn-ghost { background: transparent; color: var(--ink-2); border: 1.5px solid var(--line); }
.pm-btn-ghost:hover { background: #F1F5F9; }
.pm-exo-fb { margin-top: 10px; font-size: 14.5px; border-radius: 10px; padding: 10px 12px; display: none; }
.pm-exo-fb.ok { display: block; background: var(--ok-soft); color: var(--ok); }
.pm-exo-fb.ko { display: block; background: var(--ko-soft); color: var(--ko); }
.pm-exo details { margin-top: 10px; }
.pm-exo summary { cursor: pointer; font-weight: 700; font-size: 14px; color: var(--acc-ink); }
.pm-exo-steps { font-size: 14.5px; color: var(--ink-2); padding: 8px 0 0; }
.pm-exo-steps ol { padding-left: 20px; margin: 6px 0 0; }
.pm-exo-steps code, .pm-card code { font-family: var(--mono); font-size: 13.5px; background: #F1F5F9; padding: 1px 6px; border-radius: 6px; }

/* ---------- Quiz ---------- */
.pm-quiz-box { border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; background: #fff; }
.pm-quiz-meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.pm-quiz-q { font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.pm-quiz-opts { display: grid; gap: 8px; }
.pm-quiz-opts button {
    text-align: left; font: 500 15px/1.4 'Outfit', sans-serif; padding: 12px 14px; border-radius: 12px; cursor: pointer;
    border: 1.5px solid var(--line); background: #fff; color: var(--ink);
}
.pm-quiz-opts button:hover { border-color: var(--acc); background: var(--acc-soft); }
.pm-quiz-opts button:disabled { cursor: default; opacity: 0.85; }
.pm-quiz-opts button.ok { border-color: var(--ok); background: var(--ok-soft); }
.pm-quiz-opts button.ko { border-color: var(--ko); background: var(--ko-soft); }
.pm-quiz-fb { margin-top: 12px; padding: 10px 12px; border-radius: 10px; font-size: 14.5px; }
.pm-quiz-fb.ok { background: var(--ok-soft); color: var(--ok); }
.pm-quiz-fb.ko { background: var(--ko-soft); color: var(--ko); }
.pm-quiz-end { text-align: center; padding: 12px 0 4px; }
.pm-quiz-score { font-family: 'Space Grotesk', sans-serif; font-size: 40px; font-weight: 800; color: var(--acc-ink); }
.pm-quiz-end p { color: var(--muted); }

/* ---------- À retenir ---------- */
.pm-recap { display: grid; gap: 8px; }
.pm-recap-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--ink-2); }
.pm-recap-row:last-child { border-bottom: 0; }
.pm-recap-row code { font-family: var(--mono); font-size: 13.5px; color: var(--ink); background: #F1F5F9; padding: 4px 8px; border-radius: 8px; white-space: nowrap; }

/* ---------- Prérequis et suite ---------- */
.pm-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.pm-links a {
    display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
    font: 700 13.5px/1 'Outfit', sans-serif; padding: 9px 13px; border-radius: 999px;
    border: 1.5px solid var(--line); color: var(--ink-2); background: #fff;
}
.pm-links a:hover { border-color: var(--acc); color: var(--acc-ink); background: var(--acc-soft); }
.pm-links a span { font-size: 11px; color: var(--muted); font-weight: 600; }

/* ---------- XP ---------- */
#pm-xp {
    position: fixed; top: 10px; left: 10px; z-index: 9990;
    font: 800 11px/1 var(--mono); letter-spacing: 0.05em;
    color: var(--acc-ink); background: rgba(255, 255, 255, 0.8); border: 1px solid var(--line);
    padding: 7px 10px; border-radius: 999px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: transform 0.15s ease;
}
#pm-xp.bump { transform: scale(1.12); }

/* ---------- Pied ---------- */
.pm-footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 26px 0 40px; }

/* Révélation douce au défilement */
.pm-reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.pm-reveal.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .pm-reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 640px) {
    .pm-header { padding: 48px 0 20px; }
    .pm-card { padding: 20px 16px 16px; border-radius: 16px; }
    .pm-card h2 { font-size: 21px; }
    .pm-lead { font-size: 16.5px; }
    .pm-recap-row { grid-template-columns: 1fr; gap: 6px; }
    .pm-exo-row input { width: 130px; }
}