/* ══════════════════════════════════════════
   PUZZLE OCÉAN — Shield Marine v1.0.0
   Préfixe : po-
══════════════════════════════════════════ */

/* ── NAV (identique site Shield Marine) ── */
.nav{position:sticky;top:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:16px 48px;background:rgba(248,245,239,0.97);border-bottom:1px solid rgba(11,132,184,0.12);backdrop-filter:blur(10px)}
.nav-logo img{height:24px;width:auto}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{font-size:15px;font-weight:400;color:#3d6070;transition:color .2s;text-decoration:none}
.nav-links a:hover{color:#0b84b8}
.signal-red{color:#CC1B27;font-weight:600}.signal-blue{color:#0F6C99;font-weight:600}
.nav-has-sub{position:relative}
.nav-sub{display:none;position:absolute;top:100%;left:0;padding-top:12px;list-style:none;z-index:300;min-width:220px}
.nav-sub::before{content:'';display:block;background:#fff;border:1px solid rgba(11,132,184,.15);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.1);position:absolute;inset:12px 0 0 0;z-index:-1}
.nav-has-sub:hover .nav-sub{display:block}
.nav-sub li a{position:relative;z-index:1;display:block;padding:9px 16px;font-size:14px;color:#3d6070;white-space:nowrap;border-radius:8px}
.nav-sub li a:hover{background:#f0f8fd;color:#0b84b8}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:#0b84b8;color:#fff!important;padding:10px 22px;border-radius:100px;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s}
.nav-cta:hover{background:#086a96}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.nav-hamburger span{display:block;width:24px;height:2px;background:#0d2b3e;border-radius:2px}
.nav-mobile{display:none;position:fixed;inset:0;z-index:300;background:#f8f5ef;flex-direction:column;align-items:center;justify-content:center;gap:28px;font-family:'Fraunces',serif}
.nav-mobile.open{display:flex}
.nav-mobile a{font-size:22px;font-weight:600;color:#0d2b3e;text-decoration:none}
.nav-mobile a:hover{color:#0b84b8}
.nav-mobile-close{position:absolute;top:20px;right:24px;background:none;border:none;font-size:28px;cursor:pointer;color:#0d2b3e}
@media(max-width:800px){.nav{padding:14px 20px}.nav-links,.nav-cta{display:none}.nav-hamburger{display:flex}}

/* ── APP ── */
#puzzle-ocean-app{
  --po-blue:#0b84b8; --po-dark:#0F6C99; --po-red:#CC1B27;
  --po-cream:#f8f5ef; --po-deep:#0a2a3a;
  --po-yellow:#f5c842; --po-green:#2ecc71;
  font-family:'Nunito',sans-serif;
  position:relative; min-height:100vh; overflow-x:hidden;
}

.po-bg{position:fixed;inset:0;z-index:0;background:linear-gradient(160deg,#071520 0%,#0a3a5c 60%,#0b6090 100%)}
.po-shimmer{position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top,rgba(11,132,184,.1),transparent);animation:po-shimmer 6s ease-in-out infinite alternate}
@keyframes po-shimmer{from{opacity:.5}to{opacity:1}}
.po-bubble{position:fixed;border-radius:50%;background:rgba(255,255,255,.04);animation:po-rise linear infinite;pointer-events:none;z-index:1}
@keyframes po-rise{0%{transform:translateY(110vh);opacity:0}10%{opacity:1}90%{opacity:.4}100%{transform:translateY(-60px);opacity:0}}

.po-wrap{position:relative;z-index:2;max-width:860px;margin:0 auto;padding:24px 16px 80px}

/* ── Header ── */
.po-header{text-align:center;padding:16px 0 10px}
.po-header h1{font-family:'Fraunces',serif;font-style:italic;font-size:clamp(1.8rem,5vw,2.6rem);color:var(--po-cream);margin-bottom:4px}
.po-header h1 em{color:var(--po-yellow);font-style:normal}
.po-header p{font-size:.8rem;color:rgba(248,245,239,.45);letter-spacing:1.5px;text-transform:uppercase}

/* ── Score ── */
.po-score-bar{display:flex;justify-content:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:50px;overflow:hidden;backdrop-filter:blur(10px);margin:14px auto;width:fit-content}
.po-score-item{display:flex;flex-direction:column;align-items:center;padding:10px 24px}
.po-score-item+.po-score-item{border-left:1px solid rgba(255,255,255,.08)}
.po-score-val{font-family:'Fraunces',serif;font-size:1.4rem;color:var(--po-cream);line-height:1}
.po-score-lbl{font-size:.6rem;color:rgba(248,245,239,.38);text-transform:uppercase;letter-spacing:1px;margin-top:2px}

/* ── Sélecteur ── */
.po-selector{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:12px 0 18px;padding:0 8px}
.po-sp-btn{background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.15);color:var(--po-cream);border-radius:50px;padding:7px 14px;font-family:'Nunito',sans-serif;font-size:.78rem;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:5px}
.po-sp-btn:hover{background:rgba(11,132,184,.3);border-color:var(--po-blue)}
.po-sp-btn.active{background:var(--po-blue);border-color:var(--po-blue)}
.po-sp-btn.solved{background:rgba(46,204,113,.2);border-color:var(--po-green)}
.po-sp-btn.solved::after{content:'✓';color:var(--po-green);margin-left:3px}

/* ── Layout ── */
.po-game-area{display:flex;flex-direction:column;gap:16px}
.po-puzzle-col{display:flex;flex-direction:column;gap:14px}
@media(max-width:680px){.po-game-area{grid-template-columns:1fr}}

/* ── Puzzle ── */
.po-puzzle-wrap{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:14px;position:relative}
.po-puzzle-title{font-family:'Fraunces',serif;font-size:.95rem;color:var(--po-cream);text-align:center;margin-bottom:10px;font-style:italic}
.po-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;border-radius:12px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.4);aspect-ratio:1}
.po-cell{position:relative;cursor:pointer;overflow:hidden;aspect-ratio:1;transition:transform .12s,box-shadow .12s;background-color:#1a4a6a;background-size:400%;background-repeat:no-repeat;}
.po-cell:hover:not(.po-correct){transform:scale(1.05);z-index:2;box-shadow:0 0 0 3px var(--po-yellow)}
.po-cell.po-selected{box-shadow:0 0 0 4px var(--po-yellow);z-index:3;transform:scale(1.07)}
.po-cell.po-correct{cursor:default}
.po-cell.po-correct::after{content:'';position:absolute;inset:0;background:rgba(46,204,113,.12)}
.po-cell img{position:absolute;pointer-events:none;user-select:none;display:block}
.po-cell-num{position:absolute;bottom:2px;right:3px;font-size:.5rem;color:rgba(255,255,255,.3);font-weight:700;line-height:1;z-index:1}

/* Progress */
.po-progress-bar{margin-top:10px;background:rgba(255,255,255,.08);border-radius:30px;height:7px;overflow:hidden}
.po-progress-fill{height:100%;background:linear-gradient(90deg,var(--po-blue),var(--po-green));border-radius:30px;transition:width .4s ease}
.po-progress-label{text-align:center;font-size:.68rem;color:rgba(248,245,239,.35);margin-top:4px}

/* Boutons */
.po-actions{display:flex;gap:8px;margin-top:10px;justify-content:center}
.po-btn{padding:9px 18px;border-radius:50px;font-family:'Nunito',sans-serif;font-size:.8rem;font-weight:700;cursor:pointer;border:none;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.po-btn-hint{background:rgba(245,200,66,.15);color:var(--po-yellow);border:1px solid rgba(245,200,66,.3)}
.po-btn-hint:hover{background:rgba(245,200,66,.28)}
.po-btn-shuffle{background:rgba(255,255,255,.08);color:rgba(248,245,239,.7);border:1px solid rgba(255,255,255,.15)}
.po-btn-shuffle:hover{background:rgba(255,255,255,.15)}
.po-btn-next{background:var(--po-blue);color:#fff}
.po-btn-next:hover{background:var(--po-dark)}
.po-btn-restart{background:var(--po-blue);color:#fff;padding:14px 36px;font-size:1rem}
.po-btn-restart:hover{background:var(--po-dark);transform:translateY(-2px)}
.po-hints-left{font-size:.65rem;color:rgba(248,245,239,.3);text-align:center;margin-top:4px}

/* Overlay solved */
.po-solved-overlay{display:none;position:absolute;inset:0;border-radius:18px;background:rgba(10,42,58,.87);backdrop-filter:blur(6px);flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:20px}
.po-solved-overlay.show{display:flex;animation:po-fade .4s ease}
@keyframes po-fade{from{opacity:0}to{opacity:1}}
.po-so-emoji{font-size:3rem}
.po-so-title{font-family:'Fraunces',serif;font-size:1.4rem;color:var(--po-cream)}
.po-so-msg{font-size:.8rem;color:rgba(248,245,239,.65);line-height:1.5;max-width:240px}

/* ── Fiche latérale ── */
.po-fiche{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:20px;display:flex;flex-direction:row;gap:20px;align-items:flex-start;flex-wrap:wrap}
.po-fiche-locked{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px 0;text-align:center;color:rgba(248,245,239,.3);font-size:.8rem}
.po-lock-icon{font-size:2.5rem;opacity:.3}
.po-fiche-photo-wrap{border-radius:10px;overflow:hidden;width:220px;flex-shrink:0;aspect-ratio:4/3;background:#1a3a5c;position:relative}
.po-fiche-photo-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.po-photo-blur{position:absolute;inset:0;backdrop-filter:blur(20px);background:rgba(10,30,50,.5);transition:opacity .6s}
.po-photo-blur.hidden{opacity:0;pointer-events:none}
.po-photo-lock{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:rgba(248,245,239,.5);font-size:.75rem;text-align:center;transition:opacity .4s}
.po-photo-lock.hidden{opacity:0;pointer-events:none}
.po-photo-lock span{font-size:2rem;opacity:.4}
.po-photo-credit{font-size:.55rem;color:rgba(248,245,239,.2);text-align:right}
.po-fiche-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(11,132,184,.2);border:1px solid rgba(11,132,184,.3);border-radius:30px;padding:3px 12px;font-size:.62rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--po-blue);width:fit-content}
.po-fiche-name{font-family:'Fraunces',serif;font-size:1.15rem;color:var(--po-cream);line-height:1.2}
.po-fiche-sci{font-size:.68rem;font-style:italic;color:rgba(248,245,239,.35);margin-top:2px}
.po-fiche-threat{background:rgba(204,27,39,.1);border:1px solid rgba(204,27,39,.25);border-radius:10px;padding:10px 12px}
.po-threat-title{font-size:.58rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--po-red);margin-bottom:4px}
.po-threat-text{font-size:.75rem;color:rgba(248,245,239,.75);line-height:1.5}
.po-fiche-fact{font-size:.75rem;color:rgba(248,245,239,.5);line-height:1.6;border-left:2px solid var(--po-blue);padding-left:10px;font-style:italic}

/* ── Article éducatif ── */
.po-article-wrap{animation:po-slide-up .5s ease}
@keyframes po-slide-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.po-article{background:#fff;border-radius:18px;padding:28px 32px;display:flex;flex-direction:column;gap:18px}
.po-article-header{display:flex;align-items:center;gap:16px;padding-bottom:16px;border-bottom:1px solid #eee}
.po-article-emoji{font-size:2.8rem;line-height:1;flex-shrink:0}
.po-article-title{font-family:'Fraunces',serif;font-size:1.5rem;font-weight:700;color:var(--po-deep);line-height:1.2}
.po-article-sci{font-size:.78rem;font-style:italic;color:#999;margin-top:4px}
.po-article-body{font-size:.88rem;color:#333;line-height:1.8}
.po-article-body p{margin-bottom:10px}
.po-article-threat{background:#fff7f0;border:1px solid #f0c8a0;border-radius:12px;padding:16px 20px}
.po-article-threat-title{font-size:.65rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#c8720a;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.po-article-threat-body{font-size:.85rem;color:#5a3a1a;line-height:1.7}

/* ── Victoire finale ── */
.po-final{display:none;position:fixed;inset:0;z-index:200;background:rgba(7,21,32,.95);backdrop-filter:blur(16px);align-items:center;justify-content:center}
.po-final.show{display:flex;animation:po-fade .6s ease}
.po-final-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:44px 52px;text-align:center;max-width:460px;display:flex;flex-direction:column;gap:12px;align-items:center}
.po-final-emoji{font-size:4.5rem}
.po-final-box h2{font-family:'Fraunces',serif;font-size:2rem;color:var(--po-cream)}
.po-final-box p{color:rgba(248,245,239,.6);font-size:.9rem;line-height:1.6;max-width:360px}
.po-final-score{font-family:'Fraunces',serif;font-size:.95rem;color:var(--po-yellow)}
.po-final-cta{font-size:.7rem;color:rgba(248,245,239,.3);margin-top:4px}
.po-final-cta span{color:var(--po-blue)}

@media(max-width:480px){
  .po-btn{padding:8px 14px;font-size:.75rem}
  .po-article{padding:18px 16px}
  .po-article-title{font-size:1.2rem}
}