:root{
  --bg:#030303;
  --panel:rgba(255,255,255,.055);
  --panel2:rgba(255,255,255,.095);
  --text:#fff;
  --muted:rgba(255,255,255,.62);
  --line:rgba(255,255,255,.14);
  --flash:#ff2b2b;
  --green:#35ff7a;
  --red:#ff4040;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at 50% -20%,rgba(255,255,255,.18),transparent 34%),radial-gradient(circle at 14% 110%,rgba(255,255,255,.06),transparent 30%),#000;color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;min-height:100vh;overflow:hidden}
.app{height:100vh;display:grid;grid-template-rows:auto 1fr;overflow:hidden}

/* HEADER */
.header{display:flex;align-items:center;justify-content:space-between;padding:clamp(8px, 1.5vh, 16px) clamp(12px, 2vw, 26px);border-bottom:1px solid var(--line);background:rgba(0,0,0,.72);backdrop-filter:blur(20px);flex:0 0 auto}
.brand{display:flex;gap:12px;align-items:center;min-width:0}
.brand img{width:clamp(40px, 5vw, 58px);height:clamp(40px, 5vw, 58px);border-radius:14px;object-fit:cover;box-shadow:0 0 28px rgba(255,255,255,.18);flex:0 0 auto}
.brand h1{font-size:clamp(18px, 2.8vw, 28px);letter-spacing:3px;margin:0;font-weight:950}
.brand span{font-size:12px;color:var(--muted);letter-spacing:1.2px;display:block}
.code-badge{display:inline-block!important;margin-top:4px;padding:2px 8px;border-radius:6px;background:rgba(255,255,255,.1);font-family:monospace;font-size:11px;letter-spacing:1.2px;color:#fff}
.top-actions{display:flex;align-items:center;gap:14px}
.status{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14px}
.dot{width:10px;height:10px;border-radius:999px;background:var(--red);box-shadow:0 0 14px var(--red)}
.dot.ok,.dot.online{background:var(--green);box-shadow:0 0 14px var(--green)}
.dot.offline{background:var(--red);box-shadow:0 0 14px var(--red)}
.icon-btn{width:50px;height:50px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;font-size:22px;cursor:pointer}

/* LAYOUT */
.main{height:calc(100vh - 88px);padding:clamp(8px, 1.5vw, 22px);overflow:hidden}
.panel{height:100%;border:1px solid var(--line);background:var(--panel);border-radius:clamp(14px, 2vw, 32px);box-shadow:0 0 60px rgba(255,255,255,.06);backdrop-filter:blur(24px);overflow:hidden}
.chat{display:flex;flex-direction:column;height:100%;min-height:0}
.chat > *{flex:0 0 auto}
.chat > .history{flex:1 1 0;min-height:0}
.history{padding:24px;overflow:auto;min-height:0}
.empty{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted)}
.empty img{width:min(280px,38vw);opacity:.78;filter:drop-shadow(0 0 25px rgba(255,255,255,.12))}

/* PRESENCE BUBBLES (Light) */
.presence-bubbles{display:flex;gap:8px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.18);flex:0 0 auto}
.pres-bubble{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:clamp(11px, 1.4vw, 13px);font-weight:700}
.pres-bubble.self{background:rgba(53,255,122,.12);border-color:rgba(53,255,122,.4)}
.pres-bubble.remote{background:rgba(255,255,255,.04);border-style:dashed}
.pres-bubble small{color:var(--muted);font-weight:500;margin-left:4px}

/* PENDING DJ REQUESTS */
.pending-box{padding:14px 18px;border-bottom:2px solid rgba(255,200,0,.4);background:rgba(255,200,0,.08)}
.pending-box h3{margin:0 0 10px;font-size:14px;color:#ffd54a;text-transform:uppercase;letter-spacing:1.5px}
.pending-card{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px;background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:14px;margin-bottom:8px}
.pending-id{font-size:14px}
.pending-actions{display:flex;gap:8px}
.pending-actions .btn{min-height:42px;padding:0 18px;font-size:14px}

/* TABS */
.tabs{display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.28);min-height:62px;align-items:center;flex:0 0 auto}
.tab{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;padding:8px 16px;min-height:44px;font-weight:900;cursor:pointer;white-space:nowrap;font-size:clamp(12px, 1.6vw, 14px)}
.tab.active{background:#fff;color:#000;box-shadow:0 0 30px rgba(255,255,255,.18)}
.tab.remote{border-style:dashed;opacity:.85}
.tab-sub{font-size:10px;color:var(--muted);font-weight:500;margin-left:4px}
.presence-dot{width:10px;height:10px;border-radius:999px;display:inline-block;flex:0 0 auto}
.presence-dot.online{background:var(--green);box-shadow:0 0 14px var(--green)}
.presence-dot.offline{background:var(--red);box-shadow:0 0 14px var(--red)}

/* BUBBLES */
.bubble{max-width:80%;padding:12px 16px;margin:8px 0;border-radius:22px;font-size:clamp(15px, 2.2vw, 20px);line-height:1.25;word-break:break-word;animation:pop .16s ease-out;position:relative}
@keyframes pop{from{transform:scale(.96);opacity:.3}to{transform:scale(1);opacity:1}}
.me{margin-left:auto;background:#fff;color:#000;border-bottom-right-radius:6px}
.them{margin-right:auto;background:rgba(255,255,255,.14);color:#fff;border-bottom-left-radius:6px}
.meta{display:block;margin-top:6px;font-size:11px;color:rgba(0,0,0,.55)}
.them .meta{color:rgba(255,255,255,.46)}
.bubble-actions{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.bubble-actions .mini{font-size:11px;min-height:28px;padding:0 10px}
.me .mini{background:rgba(0,0,0,.1);color:#000;border:1px solid rgba(0,0,0,.2)}
.me .mini.danger{background:rgba(255,43,43,.18);color:#000}

/* Active alert badge on sent bubble */
.alert-active{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:999px;background:#ffd54a;color:#000;font-weight:900;font-size:10px;letter-spacing:.8px;animation:pulse 1s ease-in-out infinite}
.them .alert-active{background:#ffd54a}
@keyframes pulse{0%,100%{opacity:.65;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}

/* SEND ZONE */
.send-zone{padding:14px;border-top:1px solid var(--line);background:rgba(0,0,0,.25);flex:0 0 auto}
.composer{display:grid;grid-template-columns:1fr 120px;gap:10px;margin-bottom:12px}
.composer input{height:clamp(46px, 7vh, 58px);border-radius:18px}
.grid-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}

/* BUTTONS */
.btn{min-height:clamp(48px, 7vh, 64px);border:0;border-radius:18px;padding:10px;font-weight:900;font-size:clamp(13px, 1.8vw, 15px);letter-spacing:.2px;cursor:pointer;background:#fff;color:#000;box-shadow:0 10px 28px rgba(255,255,255,.08)}
.btn.dark{background:rgba(255,255,255,.11);color:#fff;border:1px solid var(--line)}
.btn.red{background:#ff2b2b;color:#fff;box-shadow:0 0 30px rgba(255,43,43,.25)}
.btn.soft{background:rgba(255,255,255,.5);color:#000}
.btn:hover{filter:brightness(.95)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* INPUTS */
input,select,textarea{width:100%;background:rgba(255,255,255,.09);color:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;outline:none;font-size:15px;font-family:inherit}
input[type=color]{height:48px;padding:5px}
input[readonly]{opacity:.7;cursor:not-allowed;border-style:dashed}
label{font-size:12px;color:var(--muted)}
.field{display:grid;gap:7px;margin-bottom:10px}

/* MODAL / OVERLAY */
.overlay,.modal{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:34px;background:rgba(0,0,0,.88);backdrop-filter:blur(14px)}
.overlay.show,.modal.show{display:grid}
.overlay.show{animation:flash .9s infinite}
@keyframes flash{0%,100%{box-shadow:inset 0 0 0 rgba(255,255,255,0)}50%{box-shadow:inset 0 0 135px var(--flash);background:rgba(12,12,12,.96)}}

/* INSIST MODE : full-screen black/white inversion */
.overlay.insist{animation:insistFlash .35s steps(2,end) infinite}
@keyframes insistFlash{
  0%{background:#000;color:#fff}
  50%{background:#fff;color:#000}
}
.overlay.insist .alert-card{background:transparent;border-color:transparent;box-shadow:none}
.overlay.insist .alert-title,.overlay.insist .notif-text{font-size:clamp(48px,9vw,140px)!important;font-weight:950}

.alert-card,.modal-card{width:min(1050px,96vw);max-height:92vh;overflow:auto;border:1px solid rgba(255,255,255,.24);background:rgba(0,0,0,.78);border-radius:36px;padding:32px;backdrop-filter:blur(18px);box-shadow:0 0 65px rgba(255,255,255,.08)}
.alert-card{text-align:center}
.alert-title{font-size:clamp(28px,4vw,52px);font-weight:950;letter-spacing:2px;margin-bottom:14px}

/* NOTIF STACK */
.notif-stack{display:flex;flex-direction:column;gap:10px;max-height:55vh;overflow:auto;margin-bottom:18px}
.notif-item{background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:18px;padding:16px 20px;text-align:left;animation:pop .2s ease-out}
.notif-item:last-child{background:rgba(255,255,255,.16);border-color:#fff;box-shadow:0 0 28px rgba(255,255,255,.18)}
.notif-from{font-size:13px;color:var(--green);font-weight:900;letter-spacing:1.2px;margin-bottom:4px;text-transform:uppercase}
.notif-time{font-size:11px;color:var(--muted);margin-bottom:6px;letter-spacing:1px}
.notif-text{font-size:clamp(22px,3.8vw,46px);font-weight:850;line-height:1.1}

.response-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.close-row{margin-top:14px;display:flex;gap:12px}
.close-row .btn{flex:1}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.modal-head h2{margin:0;font-size:26px}
.notice{color:var(--muted);font-size:13px;line-height:1.4;margin:8px 0}
.notice.tiny{font-size:11px;opacity:.7}

/* SETTINGS GRID */
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.box{border:1px solid var(--line);background:rgba(255,255,255,.045);border-radius:24px;padding:18px}
.box.wide{grid-column:1/-1}
.box h3{margin:0 0 12px;font-size:15px;color:#fff;text-transform:uppercase;letter-spacing:1px}
.box h4{margin:14px 0 8px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.setup-logo{width:140px;border-radius:30px;display:block;margin:0 auto 18px;box-shadow:0 0 38px rgba(255,255,255,.14)}
.save{width:100%;margin-top:18px;min-height:58px;border-radius:20px;border:0;background:#fff;color:#000;font-weight:950;cursor:pointer;font-size:16px}

/* DJ SUB-TABS in settings */
.dj-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.sub-tab{border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;border-radius:12px;padding:8px 14px;font-weight:800;cursor:pointer;font-size:13px}
.sub-tab.active{background:#fff;color:#000}
.sub-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:14px}
.osc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:12px}
@media(max-width:900px){.osc-grid{grid-template-columns:1fr}}

/* UPDATE BANNER */
.update-banner{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 22px;background:linear-gradient(90deg,#ffd54a,#ffb300);color:#000;font-weight:800;font-size:14px;box-shadow:0 4px 20px rgba(0,0,0,.4);flex-wrap:wrap}
.update-banner .update-actions{display:flex;gap:8px;flex-wrap:wrap}
.update-banner .btn{min-height:38px;padding:0 14px;font-size:13px;background:#000;color:#fff;text-decoration:none;display:inline-flex;align-items:center}
.update-banner .btn.dark{background:rgba(0,0,0,.15);color:#000}
.update-banner b{font-weight:950}
@media(max-width:680px){.update-banner{padding:10px 14px;font-size:12px}}
.msg-list{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}
.msg-row{display:grid;grid-template-columns:1fr auto 38px;gap:8px;align-items:center}
.msg-row .chk{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);white-space:nowrap}
.msg-row .chk input{width:16px;height:16px;accent-color:#ffd54a}

/* REMOTE ROWS */
.remote-row{display:grid;grid-template-columns:1fr 1fr 48px;gap:10px;margin-bottom:10px}
.mini{min-height:40px;border:1px solid var(--line);background:rgba(255,255,255,.12);color:#fff;border-radius:12px;font-weight:900;cursor:pointer;padding:0 14px;font-size:13px}
.mini.danger{background:rgba(255,43,43,.18);color:#fff}
.copy-row{display:grid;grid-template-columns:1fr 120px;gap:10px;align-items:center}

/* DJ REGISTER */
.register{display:grid;place-items:center;padding:30px}
.register-card{width:min(560px,94vw);text-align:center}
.register-card h2{margin:6px 0 8px;font-size:26px}
.register-card input{height:64px;font-size:24px;text-align:center;letter-spacing:4px;font-family:monospace;font-weight:900}
.register-card .save{margin-top:14px}
.offline-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.offline-actions .btn{margin-top:0}
@media(max-width:680px){ .offline-actions{grid-template-columns:1fr} }

/* MEDIUM (tablette / petite fenêtre) */
@media(max-width:1100px){
  .header{padding:12px 16px}
  .brand img{width:46px;height:46px}
  .response-row{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}
  .settings-grid{grid-template-columns:1fr}
  .sub-grid{grid-template-columns:1fr 1fr}
  .alert-card,.modal-card{padding:22px;border-radius:24px}
}

/* MOBILE */
@media(max-width:680px){
  body{overflow:auto}
  .app{height:auto;min-height:100vh;grid-template-rows:auto 1fr}
  .main{height:auto;padding:10px}
  .panel{min-height:calc(100vh - 110px)}
  .grid-buttons{grid-template-columns:repeat(2,1fr)}
  .response-row{grid-template-columns:repeat(2,1fr)}
  .settings-grid,.sub-grid{grid-template-columns:1fr}
  .header{padding:10px 12px}
  .top-actions{gap:8px}
  .icon-btn{width:40px;height:40px;font-size:18px}
  .composer{grid-template-columns:1fr 96px;gap:8px}
  .empty img{width:160px}
  .pending-card{flex-direction:column;align-items:stretch}
  .pres-bubble{padding:5px 10px;font-size:11px}
  .tab{padding:6px 12px;min-height:38px;font-size:12px}
  .bubble{max-width:90%;padding:10px 12px}
  .notif-text{font-size:clamp(18px, 5vw, 30px)!important}
  .alert-title{font-size:clamp(20px, 5vw, 32px)!important}
}