:root{
  --bg:#08080a;
  --bg-2:#0e0e12;
  --surface:#121218;
  --surface-2:#17171f;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.13);
  --txt:#ece9ee;
  --txt-2:#9a95a4;
  --txt-3:#6b6673;
  --red:#e01b3c;
  --red-soft:#ff3d5e;
  --red-dim:rgba(224,27,60,.14);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.9);
  --nav-h:64px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(70vw 55vh at 78% -8%, rgba(224,27,60,.16), transparent 62%),
    radial-gradient(60vw 45vh at 8% 102%, rgba(224,27,60,.09), transparent 60%);
}
img,video{display:block;max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--red-soft);text-decoration:none}
::selection{background:var(--red);color:#fff}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#26262f;border-radius:9px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- layout ---------- */
.shell{max-width:660px;margin:0 auto;padding:0 14px calc(var(--nav-h) + 28px);}
.shell.wide{max-width:980px}

.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:12px;
  padding:12px 4px;margin:0 -4px;
  background:rgba(8,8,10,.72);
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
  border-bottom:1px solid var(--line);
}
.topbar h1{font-size:17px;font-weight:700;margin:0;letter-spacing:-.02em;flex:1}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.03em;font-size:17px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 14px var(--red)}

/* ---------- profile header ---------- */
.banner{
  position:relative;height:190px;border-radius:0 0 26px 26px;overflow:hidden;
  margin:0 -14px;
  background:linear-gradient(135deg,#1a0a10,#0c0c10 55%,#20080f);
}
.banner img{width:100%;height:100%;object-fit:cover}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,8,10,.92),transparent 62%)}
.banner .glow{position:absolute;inset:auto -20% -60% -20%;height:160px;background:radial-gradient(closest-side,rgba(224,27,60,.35),transparent);filter:blur(30px)}

.pf{position:relative;margin-top:-52px;padding:0 2px}
.avatar{
  width:104px;height:104px;border-radius:50%;object-fit:cover;
  border:3px solid var(--bg);background:linear-gradient(135deg,#2a1118,#141419);
  display:flex;align-items:center;justify-content:center;
  font-size:38px;font-weight:800;color:var(--red-soft);
  box-shadow:0 0 0 2px rgba(224,27,60,.35),0 16px 34px -12px rgba(224,27,60,.5);
}
.pf-name{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:24px;font-weight:800;letter-spacing:-.03em}
.verified{width:19px;height:19px;flex:none}
.pf-handle{color:var(--txt-2);font-size:14px;margin-top:2px}
.pf-bio{margin-top:12px;color:#d3ced9;white-space:pre-wrap}
.pf-stats{display:flex;gap:20px;margin-top:14px;flex-wrap:wrap}
.pf-stats b{font-weight:700}
.pf-stats span{color:var(--txt-2);font-size:13.5px}
.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#57d977;background:rgba(87,217,119,.1);padding:4px 10px;border-radius:99px}
.status-dot i{width:6px;height:6px;border-radius:50%;background:#57d977;box-shadow:0 0 8px #57d977}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 20px;border-radius:14px;font-weight:650;font-size:14.5px;
  background:var(--surface-2);color:var(--txt);border:1px solid var(--line-strong);
  transition:transform .12s ease,background .18s ease,border-color .18s ease,opacity .18s;
  width:auto;
}
.btn:active{transform:scale(.97)}
.btn:hover{background:#1e1e28}
.btn.primary{
  background:linear-gradient(135deg,var(--red),#a8102c);border-color:transparent;color:#fff;
  box-shadow:0 12px 30px -12px rgba(224,27,60,.85);
}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.btn.sm{padding:9px 14px;font-size:13.5px;border-radius:11px}
.btn.danger{color:#ff6b83;border-color:rgba(255,107,131,.28);background:rgba(255,107,131,.07)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn-row{display:flex;gap:10px;margin-top:18px}
.btn-row .btn{flex:1}

/* ---------- cards ---------- */
.card{
  background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
}
.section-title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);font-weight:700;margin:26px 0 12px}

/* ---------- subscribe card ---------- */
.sub-card{position:relative;overflow:hidden;margin-top:22px}
.sub-card::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(135deg,rgba(224,27,60,.7),transparent 45%,rgba(224,27,60,.35));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.price{display:flex;align-items:baseline;gap:8px;margin:6px 0 4px}
.price b{font-size:34px;font-weight:800;letter-spacing:-.04em}
.price span{color:var(--txt-2);font-size:14px}
.badge{
  display:inline-block;padding:5px 11px;border-radius:99px;font-size:11.5px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;background:var(--red-dim);color:var(--red-soft);
  border:1px solid rgba(224,27,60,.3);
}
.perks{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.perks li{display:flex;gap:10px;align-items:flex-start;color:#cfcad6;font-size:14px}
.perks li svg{flex:none;margin-top:2px}

/* ---------- posts ---------- */
.post{margin-top:16px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,var(--surface),var(--bg-2));overflow:hidden}
.post-head{display:flex;align-items:center;gap:11px;padding:14px 16px}
.post-head .mini{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#20202a;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--red-soft);font-size:15px}
.post-head .who b{font-size:14.5px}
.post-head .who div{font-size:12.5px;color:var(--txt-3)}
.post-text{padding:0 16px 14px;white-space:pre-wrap;color:#ddd8e2}
.post-media{display:grid;gap:3px;background:#000}
.post-media.two{grid-template-columns:1fr 1fr}
.post-media img,.post-media video{width:100%;max-height:520px;object-fit:cover}
.post-actions{display:flex;align-items:center;gap:18px;padding:12px 16px;border-top:1px solid var(--line);color:var(--txt-2);font-size:13.5px}
.like{display:flex;align-items:center;gap:7px}
.like.on{color:var(--red-soft)}
.like svg{transition:transform .15s}
.like:active svg{transform:scale(1.25)}

.locked{position:relative}
.locked .post-media img,.locked .post-media video{filter:blur(26px) brightness(.55) saturate(.7);transform:scale(1.08)}
.locked .ph{height:300px;background:linear-gradient(135deg,#1d0c12,#101015,#1a0a10);filter:blur(0)}
.lock-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;padding:24px;background:rgba(8,8,10,.35);
}
.lock-overlay .ico{
  width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(224,27,60,.16);border:1px solid rgba(224,27,60,.35);backdrop-filter:blur(6px);
}
.lock-overlay p{margin:0;font-size:14px;color:#d8d3de;max-width:260px}

/* ---------- nav ---------- */
.nav{
  position:fixed;left:0;right:0;bottom:0;z-index:50;height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  display:flex;align-items:stretch;
  background:rgba(12,12,15,.82);backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  border-top:1px solid var(--line);
}
.nav button{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--txt-3);font-size:10.5px;font-weight:600;letter-spacing:.02em;position:relative;
  transition:color .18s;
}
.nav button.on{color:var(--red-soft)}
.nav button.on::before{content:"";position:absolute;top:0;width:28px;height:2px;border-radius:0 0 3px 3px;background:var(--red)}
.nav .pill{position:absolute;top:8px;right:calc(50% - 22px);min-width:17px;height:17px;padding:0 5px;border-radius:99px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center}

/* ---------- forms ---------- */
.field{margin-top:14px}
.field label{display:block;font-size:12.5px;color:var(--txt-2);margin-bottom:7px;font-weight:600}
.input,textarea.input,select.input{
  width:100%;padding:13px 14px;border-radius:13px;background:#0c0c11;
  border:1px solid var(--line-strong);outline:none;transition:border-color .18s,box-shadow .18s;
}
.input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(224,27,60,.16)}
textarea.input{resize:vertical;min-height:96px;line-height:1.55}
.hint{font-size:12px;color:var(--txt-3);margin-top:6px}
.err{color:#ff7189;font-size:13px;margin-top:12px;min-height:18px}

.seg{display:flex;gap:6px;background:#0c0c11;padding:5px;border-radius:14px;border:1px solid var(--line-strong)}
.seg button{flex:1;padding:10px;border-radius:10px;font-size:13.5px;font-weight:650;color:var(--txt-2);transition:.18s}
.seg button.on{background:var(--red);color:#fff;box-shadow:0 8px 20px -10px var(--red)}

.upload{
  display:flex;align-items:center;gap:12px;padding:12px;border:1px dashed var(--line-strong);
  border-radius:13px;background:#0b0b10;cursor:pointer;transition:.18s;
}
.upload:hover{border-color:var(--red);background:rgba(224,27,60,.05)}
.upload .thumb{width:52px;height:52px;border-radius:10px;object-fit:cover;background:#17171f;flex:none;display:flex;align-items:center;justify-content:center;color:var(--txt-3);font-size:11px}
.upload b{font-size:13.5px;display:block}
.upload small{color:var(--txt-3);font-size:12px}

/* ---------- modal ---------- */
.modal-backdrop{
  position:fixed;inset:0;z-index:100;background:rgba(4,4,6,.72);backdrop-filter:blur(8px);
  display:flex;align-items:flex-end;justify-content:center;padding:0;
  animation:fade .18s ease;
}
@media(min-width:600px){.modal-backdrop{align-items:center;padding:20px}}
.modal{
  width:100%;max-width:440px;background:linear-gradient(180deg,#15151c,#0d0d12);
  border:1px solid var(--line-strong);border-radius:24px 24px 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom));
  box-shadow:0 -20px 60px rgba(0,0,0,.7);animation:up .26s cubic-bezier(.2,.9,.25,1);
  max-height:92vh;overflow-y:auto;
}
@media(min-width:600px){.modal{border-radius:22px;animation:pop .2s ease}}
.modal h2{margin:0 0 4px;font-size:21px;font-weight:800;letter-spacing:-.03em}
.modal .sub{color:var(--txt-2);font-size:13.5px;margin-bottom:6px}
.grab{width:38px;height:4px;border-radius:9px;background:#2c2c36;margin:-8px auto 16px}
@keyframes up{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
@keyframes pop{from{transform:scale(.95);opacity:0}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:calc(var(--nav-h) + 22px);transform:translate(-50%,20px);
  z-index:200;background:#1b1b23;border:1px solid var(--line-strong);color:#fff;
  padding:12px 18px;border-radius:13px;font-size:13.5px;font-weight:600;
  opacity:0;pointer-events:none;transition:.24s cubic-bezier(.2,.9,.25,1);box-shadow:var(--shadow);
  max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.bad{border-color:rgba(255,107,131,.4);color:#ffb3bf}

/* ---------- messages ---------- */
.thread-list{display:grid;gap:8px;margin-top:14px}
.thread{
  display:flex;align-items:center;gap:12px;padding:13px;border-radius:15px;
  background:var(--surface);border:1px solid var(--line);transition:.16s;text-align:left;width:100%;
}
.thread:hover{background:var(--surface-2);border-color:var(--line-strong)}
.thread .mini{width:46px;height:46px;border-radius:50%;flex:none;background:linear-gradient(135deg,#2a1118,#191921);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--red-soft);object-fit:cover}
.thread .body{flex:1;min-width:0}
.thread .body b{font-size:14.5px;display:block}
.thread .body p{margin:2px 0 0;font-size:13px;color:var(--txt-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread .meta{text-align:right;flex:none}
.thread .meta small{color:var(--txt-3);font-size:11.5px}
.thread .pill{display:inline-block;margin-top:5px;min-width:19px;height:19px;padding:0 6px;border-radius:99px;background:var(--red);color:#fff;font-size:11px;font-weight:700;line-height:19px;text-align:center}

.chat{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;background:var(--bg)}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 14px 12px;
  background:rgba(12,12,15,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
}
.chat-head .mini{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2a1118,#191921);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--red-soft);object-fit:cover}
.chat-head b{font-size:15px;display:block;letter-spacing:-.01em}
.chat-head small{color:var(--txt-3);font-size:12px}
.icon-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--txt-2);transition:.16s;flex:none}
.icon-btn:hover{background:var(--surface-2);color:var(--txt)}

.chat-body{flex:1;overflow-y:auto;padding:18px 14px 8px;display:flex;flex-direction:column;gap:8px}
.bubble{
  max-width:78%;padding:11px 14px;border-radius:19px;font-size:14.5px;line-height:1.45;
  word-break:break-word;animation:bubble .2s ease;
}
@keyframes bubble{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.bubble.me{align-self:flex-end;background:linear-gradient(135deg,var(--red),#ac1330);color:#fff;border-bottom-right-radius:6px}
.bubble.them{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:6px}
.bubble img,.bubble video{border-radius:12px;margin:-2px 0 4px;max-height:320px}
.bubble time{display:block;font-size:10.5px;opacity:.6;margin-top:4px;text-align:right}
.day{align-self:center;font-size:11.5px;color:var(--txt-3);background:var(--surface);padding:4px 12px;border-radius:99px;margin:8px 0}

.composer{
  display:flex;align-items:flex-end;gap:9px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);background:rgba(12,12,15,.9);backdrop-filter:blur(16px);
}
.composer textarea{
  flex:1;resize:none;max-height:120px;min-height:44px;padding:12px 15px;border-radius:22px;
  background:#101016;border:1px solid var(--line-strong);outline:none;line-height:1.4;
}
.composer textarea:focus{border-color:rgba(224,27,60,.6)}
.send{width:44px;height:44px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--red),#ab1330);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 22px -10px var(--red)}
.send[disabled]{opacity:.4}

/* ---------- misc ---------- */
.empty{text-align:center;padding:60px 20px;color:var(--txt-3)}
.empty .ico{width:62px;height:62px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;border:1px solid var(--line)}
.empty b{display:block;color:var(--txt);font-size:16px;margin-bottom:6px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:14px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:15px}
.stat b{display:block;font-size:24px;font-weight:800;letter-spacing:-.03em}
.stat span{font-size:12px;color:var(--txt-3);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.skeleton{background:linear-gradient(90deg,#141419,#1c1c24,#141419);background-size:200% 100%;animation:sk 1.3s infinite;border-radius:var(--radius);height:180px;margin-top:16px}
@keyframes sk{to{background-position:-200% 0}}
.fab{
  position:fixed;right:16px;bottom:calc(var(--nav-h) + 18px + env(safe-area-inset-bottom));z-index:45;
  width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--red),#ab1330);
  display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 14px 34px -12px rgba(224,27,60,.9);
  transition:transform .15s;
}
.fab:active{transform:scale(.92)}
.fade-in{animation:fade .26s ease}

[hidden]{display:none !important}

/* ================= colonnes ================= */
.cols{display:flex;flex-direction:column}
.col-side{display:contents}
.col-side .sub-card{order:-1}
.nav > .nav-brand,.nav > .nav-foot{display:none}

/* ================= desktop ================= */
@media (min-width:900px){
  :root{--side:262px}

  /* nav -> sidebar */
  .nav{
    top:0;right:auto;bottom:0;width:var(--side);height:100vh;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:22px 14px calc(18px + env(safe-area-inset-bottom));
    border-top:0;border-right:1px solid var(--line);
    background:rgba(11,11,14,.9);
  }
  .nav > .nav-brand{
    display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;
    letter-spacing:-.03em;padding:6px 14px 22px;
  }
  .nav-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 14px var(--red);flex:none}
  .nav button{
    flex:none;flex-direction:row;justify-content:flex-start;gap:14px;
    padding:13px 14px;border-radius:14px;font-size:14.5px;font-weight:600;
  }
  .nav button span{font-size:14.5px;letter-spacing:0}
  .nav button:hover{background:var(--surface-2);color:var(--txt)}
  .nav button.on{background:rgba(224,27,60,.12);color:var(--red-soft)}
  .nav button.on::before{top:50%;left:0;transform:translateY(-50%);width:3px;height:22px;border-radius:0 3px 3px 0}
  .nav .pill{position:static;margin-left:auto}
  .nav > .nav-foot{
    display:flex;align-items:center;gap:14px;margin-top:auto;
    padding:13px 14px;border-radius:14px;color:var(--txt-3);font-size:14px;font-weight:600;
    transition:.16s;
  }
  .nav-foot:hover{background:var(--surface-2);color:var(--txt)}

  /* contenu */
  .shell{
    max-width:none;width:auto;margin:0 0 0 var(--side);
    padding:0 40px 60px;
  }
  .shell > .banner,.banner{margin:0;border-radius:0 0 28px 28px;height:300px}
  .pf{margin-top:-64px;padding:0 6px}
  .avatar{width:132px;height:132px;font-size:48px}
  .pf-name{font-size:30px;margin-top:18px}
  .pf-bio{max-width:640px;font-size:15.5px}
  .btn-row{max-width:520px}
  .btn.block{width:auto;min-width:280px}
  .topbar{padding:22px 6px;font-size:1rem}
  .topbar h1{font-size:23px}

  .cols{
    display:grid;grid-template-columns:minmax(0,1fr) 370px;
    gap:34px;align-items:start;margin-top:8px;
  }
  .col-side{display:block;position:sticky;top:26px}
  .col-side .sub-card{margin-top:38px}
  .col-side .side-card{margin-top:38px}
  .post{margin-top:20px}
  .post-media img,.post-media video{max-height:640px}

  /* pages secondaires plus aérées */
  #subs,#threads,#feed{max-width:1100px}
  .shell .card{max-width:820px}
  .stat-grid{max-width:820px}

  /* chat : panneau à droite de la sidebar */
  .chat{left:var(--side)}
  .chat-head{padding:20px 28px;gap:14px}
  .chat-body{padding:26px max(28px,calc(50% - 400px)) 10px}
  .bubble{max-width:64%;font-size:15px}
  .composer{padding:16px max(20px,calc(50% - 410px))}
  .fab{display:none}
  .thread{padding:15px}
  .thread .mini{width:52px;height:52px}
}

@media (min-width:1500px){
  .shell{padding:0 70px 70px}
  .cols{grid-template-columns:minmax(0,1fr) 400px;gap:44px}
}

/* la sidebar remplace la nav du bas : pas d'espace réservé en bas */
@media (min-width:900px){
  .shell{padding-bottom:70px}
  .modal-backdrop{align-items:center}
}