/* MLM Pro — dark red theme. Colors/fonts driven by admin settings via CSS vars. */
:root{
  --c-primary:#145c42; --c-secondary:#0b2f24; --c-accent:#e67e22;
  --c-bg:#f5f2f2; --c-card:#ffffff; --c-text:#241616; --c-muted:#8a7474;
  --font:'Poppins',sans-serif;
}
*{box-sizing:border-box}
body{background:var(--c-bg);color:var(--c-text);font-family:var(--font);margin:0}

/* ---------- impersonation bar ---------- */
.impbar{position:fixed;top:0;left:0;right:0;height:38px;z-index:1040;
  background:linear-gradient(90deg,#c1121f,#8B0000);color:#fff;
  display:flex;align-items:center;justify-content:center;gap:14px;font-size:.85rem;
  box-shadow:0 2px 8px rgba(0,0,0,.3)}
body.imp .topbar{top:38px}
body.imp .sidebar{top:98px}
body.imp .content{padding-top:122px}

/* ---------- topbar ---------- */
.topbar{position:fixed;top:0;left:0;right:0;height:60px;z-index:1030;
  background:linear-gradient(135deg,var(--c-secondary),var(--c-primary));
  border-bottom:3px solid var(--c-accent);
  color:#fff;display:flex;align-items:center;padding:0 16px;gap:12px;
  box-shadow:0 2px 12px rgba(0,0,0,.25)}
.topbar .brand{font-weight:700;font-size:1.15rem;color:#fff;text-decoration:none;display:flex;align-items:center;gap:8px}
.topbar .brand img{height:34px}
.topbar .nav-user a{color:#ffd9d9;text-decoration:none}
.topbar .nav-user a:hover{color:#fff}
.menu-btn{background:rgba(255,255,255,.15);border:0;color:#fff;border-radius:8px;
  width:38px;height:38px;font-size:1.1rem;display:none}

/* ---------- sidebar ---------- */
.sidebar{position:fixed;top:60px;left:0;bottom:0;width:230px;z-index:1020;
  background:linear-gradient(180deg,var(--c-secondary),var(--c-primary));padding:14px 10px 55vh;overflow-y:auto;
  transition:transform .25s ease;scroll-behavior:smooth}
.sidebar a{display:flex;align-items:center;gap:10px;color:#e8c9c9;text-decoration:none;
  padding:10px 14px;border-radius:10px;margin-bottom:4px;font-size:.93rem;transition:.15s}
.sidebar a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar a.active{background:linear-gradient(90deg,var(--c-primary),var(--c-accent));color:#fff;
  box-shadow:0 4px 12px rgba(139,0,0,.45)}
.sidebar .sec{color:#9b7d7d;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  padding:14px 14px 6px}
.sidebar a i{width:18px;text-align:center}

/* ---------- content ---------- */
.content{margin-left:230px;padding:84px 22px 40px;min-height:100vh}
@media(max-width:991px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.show{transform:translateX(0)}
  .content{margin-left:0}
  .menu-btn{display:block}
  .backdrop{position:fixed;inset:60px 0 0;background:rgba(0,0,0,.5);z-index:1015}
}

/* ---------- cards & widgets ---------- */
.card{border:0;border-radius:14px;box-shadow:0 3px 14px rgba(90,10,10,.08);background:var(--c-card)}
.card-h{font-weight:600;border-bottom:1px solid #f0e4e4;padding:14px 18px}
.stat{border-radius:14px;padding:18px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 6px 18px rgba(90,10,10,.18)}
.stat .v{font-size:1.6rem;font-weight:700}
.stat .l{opacity:.85;font-size:.82rem}
.stat.a{background:linear-gradient(135deg,#8B0000,#c1121f)}
.stat.b{background:linear-gradient(135deg,#3d0606,#8B0000)}
.stat.c{background:linear-gradient(135deg,#5c0000,#a4133c)}
.stat.d{background:linear-gradient(135deg,#7f1d1d,#dc2626)}
.stat i.big{position:absolute;right:12px;top:12px;font-size:2.4rem;opacity:.25}

.btn-mlm{background:linear-gradient(90deg,var(--c-primary),var(--c-accent));color:#fff;border:0}
.btn-mlm:hover{background:var(--c-secondary);color:#fff}
.btn-outline-mlm{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline-mlm:hover{background:var(--c-primary);color:#fff}
.text-mlm{color:var(--c-primary)!important}
.page-title{font-weight:700;font-size:1.35rem;margin-bottom:4px}
.page-sub{color:var(--c-muted);font-size:.85rem;margin-bottom:18px}

.table thead th{background:#2b0a0a;color:#ffd9d9;border:0;font-weight:600;font-size:.85rem}
.table td{vertical-align:middle;font-size:.9rem}
.table-hover tbody tr:hover{background:#fdf3f3}
.badge-pos-L{background:#7f1d1d}.badge-pos-R{background:#a4133c}

/* ---------- auth pages ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at top,#3d0606,#160404);padding:20px}
.auth-card{background:#fff;border-radius:18px;overflow:hidden;width:100%;max-width:920px;
  display:flex;box-shadow:0 24px 70px rgba(0,0,0,.5)}
.auth-side{flex:1;background:linear-gradient(160deg,var(--c-secondary),var(--c-primary) 60%,var(--c-accent));
  color:#fff;padding:44px 34px;display:flex;flex-direction:column;justify-content:center}
.auth-form{flex:1.2;padding:40px 36px}
@media(max-width:767px){.auth-side{display:none}.auth-form{padding:28px 22px}}
.form-control:focus,.form-select:focus{border-color:var(--c-accent);box-shadow:0 0 0 .2rem rgba(193,18,31,.15)}

/* ---------- binary tree ---------- */
.tree-scroll{overflow-x:auto;padding:26px 6px;-webkit-overflow-scrolling:touch}
/* ---------- tree viewer (zoom/pan/pinch) ---------- */
.tree-view{position:relative;height:68vh;min-height:420px;overflow:hidden;
  touch-action:none;cursor:grab;background:
  radial-gradient(circle,#f7ecec 1px,transparent 1px) 0 0/26px 26px,#fdfbfc}
.tree-view.grabbing{cursor:grabbing}
.tree-canvas{position:absolute;top:0;left:0;transform-origin:0 0;padding:26px}
.tree-tools{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid #f0e0e0;flex-wrap:wrap}
.tree-tools .tz-level{min-width:52px;text-align:center;font-weight:700;color:var(--c-primary);font-size:.85rem}
.tree-tools .btn{padding:.2rem .6rem}
.tree-tools .tsp{flex:1}
@media(max-width:576px){.tree-view{height:60vh;min-height:340px}.tnode{min-width:96px;padding:5px 7px}.tnode .nm{font-size:.74rem}.tnode .bv{font-size:.62rem}}
.btree{display:flex;justify-content:center}
.btree ul{display:flex;justify-content:center;padding-top:26px;position:relative;list-style:none;margin:0;padding-left:0}
.btree li{display:flex;flex-direction:column;align-items:center;position:relative;padding:26px 8px 0}
.btree li::before,.btree li::after{content:'';position:absolute;top:0;right:50%;
  width:50%;height:26px;border-top:2px solid var(--c-accent)}
.btree li::after{right:auto;left:50%;border-left:2px solid var(--c-accent)}
.btree li:only-child::before,.btree li:only-child::after{display:none}
.btree li:only-child{padding-top:0}
.btree li:first-child::before,.btree li:last-child::after{border:0}
.btree li:last-child::before{border-right:2px solid var(--c-accent);border-radius:0 8px 0 0}
.btree li:first-child::after{border-radius:8px 0 0 0}
.btree ul::before{content:'';position:absolute;top:0;left:50%;border-left:2px solid var(--c-accent);height:26px}
.tnode{background:linear-gradient(150deg,#fff,#fdf0f0);border:2px solid var(--c-primary);
  border-radius:12px;padding:8px 12px;min-width:118px;text-align:center;position:relative;
  box-shadow:0 4px 10px rgba(90,10,10,.12)}
.tnode .uid{font-size:.7rem;color:var(--c-accent);font-weight:700}
.tnode .nm{font-size:.82rem;font-weight:600;white-space:nowrap}
.tnode .bv{font-size:.68rem;color:var(--c-muted)}
.tnode.empty{border-style:dashed;border-color:#c9a0a0;background:#fbf7f7;color:#b49a9a;min-width:60px}
.tnode .add{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;color:#b49a9a;text-decoration:none}
.tnode .add:hover{color:var(--c-primary)}
/* node status: inactive=red, active+kyc-pending=yellow */
.tnode-inactive{background:linear-gradient(150deg,#3d0808,#2a0505);border-color:#e63946;color:#f6d5d5}
.tnode-inactive .nm{color:#ffd7d7}.tnode-inactive .bv{color:#e8a0a0}
.tnode-inactive .nd-inactive{display:inline-block;background:#e63946;color:#fff;font-size:.58rem;
  padding:1px 6px;border-radius:6px;margin-left:4px;vertical-align:middle}
.tnode-kyc{border-color:#eab308;background:linear-gradient(150deg,#fffdf0,#fdf6d8)}
.tnode-kyc .nd-kyc{display:inline-block;background:#eab308;color:#1a1a1a;font-size:.58rem;
  padding:1px 6px;border-radius:6px;margin-left:4px;vertical-align:middle}
/* dashboard status dots for directs list */
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}
.dot-red{background:#e63946}.dot-yellow{background:#eab308}.dot-green{background:#22c55e}
/* footer */
.app-footer{background:linear-gradient(160deg,var(--c-secondary),#3a0505);color:#f0e6e6;border-top:3px solid var(--c-accent)}
.app-footer .ls{letter-spacing:.1em}
.text-fd{color:#e8c9c9;font-size:.83rem}
.f-link{color:#f0e6e6;text-decoration:none;font-size:.83rem}
.f-link:hover{color:#fff;text-decoration:underline}
.sicon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
       border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:1rem;transition:.2s}
.sicon:hover{background:var(--c-accent);transform:translateY(-2px)}
.border-fd{border-color:rgba(255,255,255,.15)!important}
.legtag{position:absolute;top:-9px;left:50%;transform:translateX(-50%);font-size:.6rem;
  padding:1px 8px;border-radius:8px;color:#fff}

/* ---------- product cards ---------- */
.pcard img{height:170px;object-fit:cover;border-radius:12px 12px 0 0;width:100%}
.pcard .price{color:var(--c-primary);font-weight:700;font-size:1.1rem}
.pcard .bvtag{background:#fdeaec;color:var(--c-primary);font-size:.72rem;
  padding:2px 10px;border-radius:20px;font-weight:600}

/* ---------- misc ---------- */
.toast-flash{position:fixed;top:70px;right:16px;z-index:2000;min-width:260px}
.legend span{display:inline-block;margin-right:14px;font-size:.78rem}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px}
@media(max-width:576px){.stat .v{font-size:1.25rem}.content{padding:84px 12px 30px}}

/* ---------- mobile polish ---------- */
@media(max-width:767px){
  .page-title{font-size:1.15rem;margin-bottom:4px}
  .topbar .brand{max-width:55vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .display-6{font-size:1.6rem}
  .card.p-4{padding:1.2rem!important}
  .inv-body{padding:20px 16px}.inv-head{padding:20px 16px}.inv-head img{height:34px}
  .toast-flash{left:10px;right:10px;min-width:0}
  .impbar{font-size:.78rem;padding:5px 10px}
  .modal-dialog{margin:.75rem auto}
  .d-sm-grid{display:grid!important}
  .table{font-size:.82rem}
  .breadcrumb{padding:8px 0}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:400px){.f-grid{grid-template-columns:1fr}}

/* popup modal */
.popup-img{max-height:220px;object-fit:cover;width:100%;border-radius:10px}