/* =========================================================
   RadiologicHub — fiche « Cancer du cavum » : vue 3D (fiches/cavum/cavum-3d.js),
   directions de propagation, carrefour de la fosse ptérygopalatine,
   classification TNM mise en valeur et calculateur, suivi.
   ========================================================= */

/* ---------- Évolution type ---------- */
.cav-evol { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0 0 24px; padding: 0; counter-reset: ev; }
.cav-evol li { counter-increment: ev; position: relative; padding: 14px 14px 14px 16px; border-radius: 16px; background: color-mix(in srgb, var(--c) 12%, #fff); border: 3px solid var(--c); font-size: .84rem; line-height: 1.38; }
.cav-evol li::before { content: counter(ev); display: grid; place-items: center; width: 26px; height: 26px; margin-bottom: 6px; border-radius: 50%; background: var(--c); color: #fff; font-weight: 900; font-size: .78rem; }
.cav-evol li + li::after { content: "→"; position: absolute; left: -12px; top: 50%; transform: translate(-50%, -50%); font-weight: 900; color: var(--ink); }

/* ---------- Aspect UCNT ---------- */
.cav-signal { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 10px; }
.cav-signal > div { display: grid; grid-template-columns: auto 34px 1fr; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 16px; border: 3px solid var(--ink); background: #fff; font-size: .84rem; }
.cav-pastille { width: 34px; height: 34px; border-radius: 50%; background: var(--g); border: 2px solid var(--ink); }
.cav-signal-titre { grid-column: 1 / -1; order: -1; margin: 0; font-weight: 900; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ---------- Vue 3D ---------- */
.c3d { margin: 6px 0 30px; border: 4px solid var(--ink); border-radius: var(--radius); background: #1d1c22; box-shadow: 10px 10px 0 color-mix(in srgb, var(--teal) 45%, transparent); overflow: hidden; }
.c3d-barre { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; background: #fff; border-bottom: 4px solid var(--ink); }
.c3d-voie { --c: var(--ink); padding: 7px 14px; border-radius: 999px; border: 3px solid var(--c); background: #fff; color: var(--ink); font: inherit; font-size: .8rem; font-weight: 900; cursor: pointer; transition: background .15s, color .15s, transform .15s; }
.c3d-voie:hover { transform: translateY(-1px); }
.c3d-voie.is-on { background: var(--c); color: #fff; }
.c3d-voie[data-voie="laterale"].is-on { color: var(--ink); }
.c3d-cadre { display: grid; grid-template-columns: minmax(0, 1fr) 250px; min-height: 520px; }
.c3d-scene { position: relative; min-height: 520px; overflow: hidden; background: radial-gradient(circle at 40% 35%, #34323b, #16151a 75%); touch-action: none; }
.c3d-canvas { display: block; width: 100%; height: 100%; position: absolute; inset: 0; }
.c3d-attente { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 20px; color: #fff; text-align: center; font-size: .9rem; }
.c3d-etiquettes { position: absolute; inset: 0; pointer-events: none; }
.c3d-etiquette { position: absolute; left: 0; top: 0; padding: 2px 7px; border-radius: 6px; background: rgba(17, 17, 20, .82); color: #fff; font-size: .68rem; font-weight: 800; white-space: nowrap; transform-origin: 0 0; translate: 8px -50%; }
.c3d-etiquette.is-foramen { background: #fff; color: var(--ink); border: 1.5px solid var(--ink); }
.c3d-etiquette.is-espace { background: var(--c); color: #fff; text-shadow: 0 1px 1px rgba(0, 0, 0, .4); }
.c3d-etiquette.is-tumeur { background: #c8102e; }
.c3d-panneau { padding: 14px; background: #fff; border-left: 4px solid var(--ink); font-size: .8rem; overflow-y: auto; max-height: 560px; }
.c3d-titre { margin: 12px 0 6px; font-size: .68rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.c3d-titre:first-child { margin-top: 0; }
.c3d-vues { display: flex; flex-wrap: wrap; gap: 5px; }
.c3d-vues button { padding: 4px 9px; border-radius: 999px; border: 2px solid var(--ink); background: #fff; font: inherit; font-size: .72rem; font-weight: 800; cursor: pointer; }
.c3d-vues button:hover { background: var(--ink); color: #fff; }
.c3d-panneau label { display: flex; gap: 7px; align-items: center; padding: 2px 0; cursor: pointer; }
.c3d-trajets { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.c3d-trajets button { padding: 3px 6px; border: 0; border-radius: 8px; background: none; text-align: left; font: inherit; font-size: .74rem; line-height: 1.3; cursor: pointer; }
.c3d-trajets button:hover, .c3d-trajets button.is-on { background: color-mix(in srgb, var(--teal) 18%, #fff); }
.c3d-legende { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 12px 14px; list-style: none; background: #fff; border-top: 4px solid var(--ink); font-size: .74rem; font-weight: 700; }
.c3d-legende li { display: inline-flex; align-items: center; gap: 6px; }
.c3d-legende li::before { content: ""; width: 14px; height: 14px; border-radius: 4px; background: color-mix(in srgb, var(--c) 55%, #fff); border: 2px solid var(--c); }
.c3d-legende li.is-muscle::before { background: var(--c); }
.c3d-vue { position: relative; min-width: 0; }
.c3d-attrib { position: absolute; left: 8px; bottom: 6px; z-index: 2; padding: 1px 6px; border-radius: 6px; background: rgba(17, 17, 20, .55); color: rgba(255, 255, 255, .75); font-size: .6rem; font-weight: 700; text-decoration: none; }
.c3d-attrib:hover, .c3d-attrib:focus-visible { color: #fff; text-decoration: underline; }

/* ---------- Les 5 directions ---------- */
.cav-dirs { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin: 0 0 30px; }
.cav-dir { padding: 16px 16px 10px; border-radius: var(--radius); border: 3px solid var(--c); background: color-mix(in srgb, var(--c) 7%, #fff); }
.cav-dir h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 1rem; }
.cav-dir h3 b { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--c); color: #fff; font-size: .85rem; }
.cav-dir .fl { font-size: .86rem; }

/* ---------- Carrefour de la fosse ptérygopalatine ---------- */
.cav-fpp { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; grid-template-rows: auto auto; gap: 14px 22px; align-items: center; margin: 0 0 26px; }
.cav-fpp-centre { grid-column: 2; grid-row: 1 / 3; display: grid; place-items: center; width: 110px; height: 110px; border-radius: 50%; background: var(--teal); color: #fff; font-family: var(--font-marker); font-size: 1.6rem; border: 4px solid var(--ink); box-shadow: 6px 6px 0 rgba(17, 17, 20, .8); }
.cav-fpp-voie { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border-radius: 16px; border: 3px solid var(--c); background: #fff; font-size: .84rem; }
.cav-fpp-voie b { color: var(--c); }
.cav-fpp-voie:nth-of-type(2) { grid-column: 1; grid-row: 1; }
.cav-fpp-voie:nth-of-type(3) { grid-column: 3; grid-row: 1; }
.cav-fpp-voie:nth-of-type(4) { grid-column: 1; grid-row: 2; }
.cav-fpp-voie:nth-of-type(5) { grid-column: 3; grid-row: 2; }
.cav-fpp-voie::after { content: ""; position: absolute; top: 50%; width: 22px; border-top: 3px dashed var(--c); }
.cav-fpp-voie:nth-of-type(2)::after, .cav-fpp-voie:nth-of-type(4)::after { right: -25px; }
.cav-fpp-voie:nth-of-type(3)::after, .cav-fpp-voie:nth-of-type(5)::after { left: -25px; }

/* ---------- Ganglions : barres ---------- */
.cav-barres { display: grid; gap: 8px; margin-top: 12px; }
.cav-barres div { display: grid; grid-template-columns: 70px 1fr 48px; align-items: center; gap: 8px; font-size: .8rem; font-weight: 800; }
.cav-barres i { height: 16px; border-radius: 8px; background: linear-gradient(90deg, var(--c) calc(var(--p) * 4%), #eceaf0 0); border: 2px solid var(--ink); }

/* ---------- TNM mis en valeur ---------- */
.tnm-t { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0 0 18px; border: 4px solid var(--ink); border-radius: var(--radius); overflow: hidden; box-shadow: 10px 10px 0 color-mix(in srgb, var(--k-grave) 40%, transparent); }
.tnm-carte { display: flex; flex-direction: column; gap: 10px; padding: 18px 16px 16px; border: 0; background: color-mix(in srgb, var(--c) 14%, #fff); text-align: left; font: inherit; color: var(--ink); cursor: pointer; transition: background .15s; }
.tnm-carte + .tnm-carte { border-left: 3px solid var(--ink); }
.tnm-carte:hover, .tnm-carte.is-on { background: color-mix(in srgb, var(--c) 30%, #fff); }
.tnm-code { font-family: var(--font-marker); font-size: 2.2rem; line-height: 1; color: var(--c); }
.tnm-quoi { font-size: .84rem; line-height: 1.42; flex: 1; }
.tnm-3d { align-self: flex-start; padding: 4px 10px; border-radius: 999px; background: var(--ink); color: #fff; font-size: .7rem; font-weight: 900; letter-spacing: .04em; }
.tnm-carte.is-on .tnm-3d { background: var(--c); }
.tnm-n { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0 0 22px; }
.tnm-n-carte { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 18px; border: 3px solid var(--c); background: #fff; font-size: .84rem; line-height: 1.4; }
.tnm-n-carte .tnm-code { font-size: 1.7rem; }
.tnm-calc { margin: 0 0 22px; padding: 18px; border: 4px solid var(--ink); border-radius: var(--radius); background: #fff; }
.tnm-choix { display: flex; flex-wrap: wrap; gap: 12px; }
.tnm-choix fieldset { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 8px 10px; border: 2px solid var(--line, #d6d4dc); border-radius: 14px; }
.tnm-choix legend { padding: 0 4px; font-weight: 900; }
.tnm-choix label { position: relative; }
.tnm-choix input { position: absolute; opacity: 0; }
.tnm-choix label { display: inline-block; padding: 6px 12px; border-radius: 999px; border: 2px solid var(--ink); font-weight: 800; font-size: .82rem; cursor: pointer; }
.tnm-choix label:has(input:checked) { background: var(--ink); color: #fff; }
.tnm-choix label:has(input:focus-visible) { outline: 3px solid var(--amber); outline-offset: 2px; }
.tnm-resultat { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin: 16px 0 6px; }
.tnm-stade { padding: 10px 20px; border-radius: 16px; background: var(--k-grave); color: #fff; font-family: var(--font-marker); font-size: 1.8rem; }
.tnm-stade[data-stade="I"] { background: var(--green); }
.tnm-stade[data-stade="II"] { background: var(--amber); color: var(--ink); }
.tnm-stade[data-stade="III"] { background: var(--orange); }
.tnm-detail { flex: 1; min-width: 240px; font-size: .82rem; line-height: 1.5; }
.tnm-note { margin: 0; font-size: .74rem; color: var(--muted); }

/* ---------- Suivi ---------- */
.cav-suivi { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0 0 14px; padding: 0; }
.cav-suivi li { position: relative; padding: 30px 12px 10px; border-top: 6px solid var(--c); font-size: .82rem; }
.cav-suivi li::before { content: ""; position: absolute; top: -13px; left: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--c); border: 3px solid var(--ink); }
.cav-suivi b { display: block; font-size: .95rem; }

@media (max-width: 900px) {
  .c3d-cadre { grid-template-columns: 1fr; }
  .c3d-panneau { border-left: 0; border-top: 4px solid var(--ink); max-height: none; }
  .tnm-t { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tnm-carte:nth-child(3) { border-left: 0; }
  .tnm-carte:nth-child(n + 3) { border-top: 3px solid var(--ink); }
  .cav-evol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cav-evol li + li::after { display: none; }
}
@media (max-width: 640px) {
  .c3d-scene, .c3d-cadre { min-height: 420px; }
  .tnm-t, .tnm-n, .cav-signal, .cav-suivi { grid-template-columns: 1fr; }
  .tnm-carte + .tnm-carte { border-left: 0; border-top: 3px solid var(--ink); }
  .cav-fpp { grid-template-columns: 1fr; }
  .cav-fpp-centre { grid-column: 1; grid-row: auto; margin: 0 auto; width: 90px; height: 90px; }
  .cav-fpp-voie:nth-of-type(n) { grid-column: 1; grid-row: auto; }
  .cav-fpp-voie::after { display: none; }
  .cav-suivi li { border-top: 0; border-left: 6px solid var(--c); padding: 6px 12px 10px 18px; }
  .cav-suivi li::before { top: 6px; left: -13px; }
}
@media print { .c3d { display: none; } .tnm-t, .tnm-calc { box-shadow: none; } }