/* Chaîne Pop — styles (clair/sombre, iPhone plein écran, iPad, ordinateur) */
:root{--bg:#fff7ef;--bg2:#ffeef3;--surface:#fff;--ink:#2a2150;--muted:#6c6590;--line:#efe2ec;--accent:#ff4f6d;--accent-ink:#fff;--violet:#6c4cf5;--board:#fff;--slot:#f6eff8;--shadow:0 14px 34px rgba(70,38,110,.13);--radius:22px;
--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);
--round:ui-rounded,"SF Pro Rounded","Nunito","Varela Round",system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#16122a;--bg2:#1f1838;--surface:#221c3d;--ink:#f3efff;--muted:#aca4d0;--line:#352c5c;--accent:#ff6b85;--board:#221c3d;--slot:#2e2752;--shadow:0 14px 34px rgba(0,0,0,.35);color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);background-image:radial-gradient(60rem 30rem at 110% -10%,var(--bg2),transparent 60%),radial-gradient(40rem 26rem at -20% 110%,color-mix(in srgb,var(--violet) 9%,transparent),transparent 65%);background-attachment:fixed;color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;touch-action:manipulation}
:focus-visible{outline:3px solid var(--violet);outline-offset:2px}
[hidden]{display:none!important}
.shell{max-width:1180px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:calc(8px + var(--safe-top)) calc(16px + var(--safe-right)) calc(10px + var(--safe-bottom)) calc(16px + var(--safe-left))}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}
.brand{display:flex;align-items:center;gap:8px;background:none;border:0;padding:4px 6px 4px 0;font:800 1.45rem/1 var(--round);letter-spacing:-.03em;color:var(--ink)}
.brand b{color:var(--accent);font-weight:800}
.logo{width:40px;height:40px;color:var(--ink)}
nav{display:flex;gap:8px}
.icon-button{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font:800 1.1rem/1 var(--round);box-shadow:0 3px 10px rgba(70,38,110,.06)}
.icon-button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
main{flex:1;display:flex;flex-direction:column;min-height:0}
footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;color:var(--muted);font-size:.8rem;padding-top:14px}
footer p{margin:0}
.warning{background:#fff4d6;color:#6b4a00;border-radius:12px;padding:10px 14px;margin:6px 0}
/* Accueil */
#home{display:grid;gap:18px 40px;align-items:start;padding:10px 0 6px}
.eyebrow{margin:0 0 6px;font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--violet)}
h1{font:800 clamp(2.2rem,8.5vw,4.1rem)/.98 var(--round);letter-spacing:-.045em;margin:0 0 12px}
.pop-word{color:var(--accent);display:inline-block;transform:rotate(-4deg)}
.intro{margin:0;color:var(--muted);max-width:34rem;font-size:1.02rem}
.hero-art{position:relative;margin-top:14px;max-width:420px}
.hero-art svg{width:100%;height:auto;display:block;filter:drop-shadow(0 12px 22px rgba(70,38,110,.14))}
.hero-art .slot{fill:var(--surface);stroke:var(--line)}
.chain-line{fill:none;stroke:var(--accent);stroke-width:9;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:420;animation:draw 2.4s ease-in-out infinite alternate}
.chain-dots circle{fill:#fff;stroke:var(--accent);stroke-width:4}
.burst{fill:#ffb21e;stroke:#ffb21e;stroke-width:3;stroke-linecap:round}
.sticker{position:absolute;right:4%;top:2%;background:#ffe56b;color:#2a2150;font:800 1.1rem/1 var(--round);padding:10px 12px;border-radius:40%;transform:rotate(10deg);box-shadow:0 6px 14px rgba(0,0,0,.12)}
@keyframes draw{from{stroke-dashoffset:420}to{stroke-dashoffset:0}}
.setup{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow);display:grid;gap:14px}
.field h2{font:800 .8rem/1 var(--round);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.field-row{display:flex;flex-wrap:wrap;gap:14px 22px}
.modes{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.mode{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;text-align:left;border:2px solid var(--line);background:var(--bg);border-radius:18px;padding:10px 12px;min-height:64px}
.mode .m-ico{grid-row:span 2;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--surface);font:800 1.05rem/1 var(--round)}
.mode strong{font:800 1rem/1.1 var(--round)}
.mode small{color:var(--muted);font-size:.74rem;line-height:1.2}
.mode[aria-checked=true]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--surface))}
.mode[aria-checked=true] .m-ico{background:var(--accent);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-btn{border:2px solid var(--line);background:var(--bg);border-radius:999px;padding:8px 14px;font-weight:700;min-height:42px;display:inline-flex;gap:7px;align-items:center}
.chip-btn .c-ico{font:800 .85rem/1 var(--round);color:var(--violet)}
.chip-btn small{color:var(--muted);font-weight:600}
.chip-btn[aria-checked=true]{border-color:var(--ink);background:var(--ink);color:var(--bg)}
.chip-btn[aria-checked=true] .c-ico,.chip-btn[aria-checked=true] small{color:inherit}
.setup-note{margin:0;color:var(--muted);font-size:.92rem;min-height:1.3em}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.primary,.secondary,.danger{border-radius:16px;padding:13px 22px;font:800 1.08rem/1.1 var(--round);border:2px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px}
.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 0 -2px color-mix(in srgb,var(--accent) 55%,#000),0 12px 22px color-mix(in srgb,var(--accent) 30%,transparent);transition:transform .12s}
.primary:active{transform:translateY(3px)}
.secondary{background:var(--surface);border-color:var(--line)}
.danger{background:none;border-color:#e2485f;color:#d2334b}
.small{min-height:42px;padding:8px 14px;font-size:.95rem;border-radius:13px}
.text-button{background:none;border:0;color:var(--muted);font-weight:700;text-decoration:underline;text-underline-offset:3px;padding:8px}
#play{flex:1 1 180px}
/* Partie */
#game{flex:1;display:grid;grid-template-rows:auto 1fr;gap:10px;min-height:0;padding-top:4px}
.hud{display:grid;gap:8px}
.rule-card{display:flex;align-items:center;gap:10px;background:var(--ink);color:var(--bg);border-radius:18px;padding:9px 14px}
.rule-card strong{display:block;font:800 1.02rem/1.1 var(--round)}
.rule-card small{display:block;opacity:.8;font-size:.8rem;line-height:1.25}
.rule-icon{flex:0 0 38px;height:38px;border-radius:12px;background:var(--accent);color:#fff;display:grid;place-items:center;font:800 .95rem/1 var(--round)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:6px 10px;text-align:center}
.stat span{display:block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.stat strong{display:block;font:800 1.45rem/1.1 var(--round);font-variant-numeric:tabular-nums}
.stat.warn strong{color:var(--accent);animation:beat .9s infinite}
.stat.frozen strong{color:#2f9fd8}
@keyframes beat{50%{transform:scale(1.1)}}
.goal{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:8px 12px}
.goal p{margin:0 0 6px;font-weight:700;font-size:.9rem}
.progress{height:10px;border-radius:9px;background:var(--slot);overflow:hidden}
.progress span{display:block;height:100%;width:0;border-radius:9px;background:linear-gradient(90deg,var(--violet),var(--accent));transition:width .3s}
.status{margin:0;min-height:1.35em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;font-weight:700;font-size:.92rem;color:var(--muted)}
.status.good{color:var(--accent)}
.side-actions{display:flex;gap:8px;justify-content:center}
.board-wrap{min-height:0;display:flex;align-items:center;justify-content:center;position:relative}
.board-box{position:relative;border-radius:22px;box-shadow:var(--shadow);line-height:0}
#board{display:block;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border-radius:22px;outline:none}
#board:focus-visible{box-shadow:0 0 0 3px var(--violet)}
.chip{position:absolute;transform:translate(-50%,-130%);background:var(--ink);color:var(--bg);font:800 .95rem/1 var(--round);padding:7px 11px;border-radius:12px;pointer-events:none;white-space:nowrap;line-height:1}
.chip.ready{background:var(--accent);color:#fff}
#floaters{position:absolute;inset:0;pointer-events:none;overflow:visible}
.floater{position:absolute;transform:translate(-50%,-50%);font:800 1.5rem/1 var(--round);color:var(--accent);text-shadow:0 2px 0 var(--surface),0 0 12px var(--surface);animation:float .9s ease-out forwards;white-space:nowrap}
.floater small{display:block;font-size:.65em;color:var(--violet);text-align:center}
@keyframes float{from{opacity:0;transform:translate(-50%,-20%) scale(.7)}20%{opacity:1;transform:translate(-50%,-60%) scale(1.1)}to{opacity:0;transform:translate(-50%,-160%) scale(1)}}
.toast{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);background:var(--ink);color:var(--bg);font:800 1rem/1.1 var(--round);padding:10px 16px;white-space:nowrap;box-shadow:0 10px 24px rgba(20,10,40,.25);border-radius:16px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;text-align:center;line-height:1.2}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.layer{position:absolute;inset:0;border-radius:22px;background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;place-items:center;line-height:1.4}
.layer-card{display:grid;gap:10px;min-width:200px;text-align:center}
.layer-title{font:800 2rem/1 var(--round);margin:0 0 6px}
/* Dialogues */
dialog{border:0;border-radius:26px;padding:20px;max-width:min(460px,calc(100vw - 32px));width:100%;background:var(--surface);color:var(--ink);box-shadow:0 30px 70px rgba(20,10,40,.35);max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 32px);overscroll-behavior:contain}
dialog::backdrop{background:rgba(22,16,44,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
dialog h2{font:800 1.45rem/1.1 var(--round);margin:0}
.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.help-steps{padding-left:1.3em;margin:0 0 10px}.help-steps li{margin:4px 0}
.score-table{width:100%;border-collapse:separate;border-spacing:4px;margin:8px 0;text-align:center}
.score-table caption{font-weight:700;text-align:left;color:var(--muted);font-size:.85rem}
.score-table th{background:var(--slot);border-radius:8px;padding:4px}.score-table td{font-weight:800;color:var(--accent)}
.bonus-list{list-style:none;padding:0;margin:10px 0;display:grid;gap:8px}
.bonus-list li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem}
.b-ico{flex:0 0 30px;height:30px;border-radius:10px;background:var(--slot);display:grid;place-items:center;font-weight:800}
.muted{color:var(--muted);font-size:.88rem}
.setting{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.setting small{display:block;color:var(--muted);font-size:.78rem}
.setting input{width:24px;height:24px;accent-color:var(--accent)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.stats-grid div{background:var(--slot);border-radius:14px;padding:10px;text-align:center}
.stats-grid strong{display:block;font:800 1.5rem/1.1 var(--round)}
.stats-grid span{font-size:.78rem;color:var(--muted)}
dialog h3{font:800 1rem/1 var(--round);margin:16px 0 8px}
.bests{display:grid;gap:4px;font-size:.9rem}
.bests div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:4px 0}
.result-dialog{text-align:center}
.result-burst{font-size:2.6rem;margin:0;color:var(--accent);line-height:1}
.result-detail{color:var(--muted);margin:6px 0}
.result-score{margin:10px 0}.result-score span{display:block;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.result-score strong{font:800 3rem/1 var(--round);font-variant-numeric:tabular-nums}
.result-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:14px}
.result-stats span{background:var(--slot);border-radius:999px;padding:5px 11px;font-size:.85rem;font-weight:700}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.result-actions button{flex:1 1 140px}
#confirm-dialog p{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* ===== Mise en page adaptative ===== */
@media (min-width:900px){#home{grid-template-columns:1.05fr 1fr;padding-top:40px}.hero-art{margin-top:28px}h1{margin-bottom:18px}}
@media (max-width:899px){.hero-art{max-width:330px;margin:12px auto 0}}
@media (max-width:420px){.modes{grid-template-columns:1fr 1fr}.mode{padding:9px 10px;column-gap:8px}.mode .m-ico{width:30px;height:30px}.mode small{font-size:.7rem}.setup{padding:14px;border-radius:24px}.chip-btn{padding:7px 12px}}
@media (max-width:360px){.brand{font-size:1.25rem}.logo{width:34px;height:34px}.icon-button{width:38px;height:38px}.mode small{display:none}.mode{min-height:50px}}
/* Écran de partie : tout tient dans la hauteur visible, la grille prend le reste. */
body[data-screen=game]{overflow:hidden;position:fixed;inset:0}
body[data-screen=game] .shell{height:100vh;height:100dvh;padding-bottom:max(10px,var(--safe-bottom))}
body[data-screen=game] footer{display:none}
.hud{display:contents}
#game{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto var(--board-h,minmax(0,1fr)) auto auto;align-content:center;grid-template-areas:"rule" "stats" "goal" "board" "status" "actions";gap:8px}
.rule-card{grid-area:rule}.stats{grid-area:stats}.goal{grid-area:goal}.board-wrap{grid-area:board}.status{grid-area:status}.side-actions{grid-area:actions}
@media (max-height:700px) and (orientation:portrait){.rule-card small{font-size:.74rem}.stat strong{font-size:1.25rem}.stat{padding:4px 8px}.rule-card{padding:7px 12px}.rule-icon{flex-basis:32px;height:32px}body[data-screen=game] .top{min-height:44px}body[data-screen=game] .icon-button{width:38px;height:38px}#game{gap:6px}}
@media (max-width:340px){.stat strong{font-size:1.15rem}.rule-card small{display:none}}
/* Paysage, tablette, ordinateur : grille à gauche, tableau de bord à droite. */
@media (orientation:landscape) and (min-width:700px),(min-width:1000px){
 #game{grid-template-columns:minmax(0,1fr) minmax(250px,330px);grid-template-rows:auto auto auto auto auto minmax(0,1fr);grid-template-areas:"board rule" "board stats" "board goal" "board status" "board actions" "board .";column-gap:22px;row-gap:10px;padding-bottom:6px}
 .side-actions{justify-content:stretch}.side-actions button{flex:1}
 .status{text-align:left;white-space:normal;min-height:2.8em}
 .board-wrap{justify-content:flex-end}
}
@media (orientation:landscape) and (max-height:540px){
 body[data-screen=game] .top{display:none}
 #game{grid-template-columns:minmax(0,1fr) minmax(210px,290px);grid-template-rows:auto auto auto auto auto minmax(0,1fr);grid-template-areas:"board rule" "board stats" "board goal" "board status" "board actions" "board .";column-gap:16px;row-gap:6px}
 .rule-card small{display:none}.stat strong{font-size:1.15rem}.status{min-height:1.3em;font-size:.82rem}
 #home{grid-template-columns:1fr 1fr}.hero-art{display:none}
}
@media (min-width:1000px) and (min-height:760px){body[data-screen=game] .shell{padding-top:calc(18px + var(--safe-top));padding-bottom:28px}}
/* Mode application (écran d'accueil iOS) : pas de barre Safari, on respecte les encoches. */
@media (display-mode:standalone){body{background-attachment:scroll}.top{padding-top:2px}}
@media (hover:hover){.mode:hover,.chip-btn:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.secondary:hover{border-color:var(--muted)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.chain-line{stroke-dasharray:none}}
body.no-anim *,body.no-anim *::before,body.no-anim *::after{animation:none!important;transition:none!important}
body.no-anim .chain-line{stroke-dasharray:none}
body.no-anim .floater{opacity:0}