:root{--sb-w:250px;--sb-bg:#1e2a3a;--sb-fg:#c9d3df;--accent:#2563eb;--bg:#f4f6f9}
*{box-sizing:border-box}
body{background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:.9rem;color:#1f2937}
.wrapper{display:flex;min-height:100vh}
.sidebar{width:var(--sb-w);background:var(--sb-bg);color:var(--sb-fg);position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:1040;transition:transform .2s;overflow-anchor:none;scroll-behavior:auto;scrollbar-width:thin;scrollbar-color:#475569 transparent}
.sidebar .brand{display:flex;align-items:center;gap:.5rem;padding:1rem;font-weight:700;font-size:1.05rem;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar .brand i{color:#fbbf24;font-size:1.3rem}
.sidebar-user{display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem;border-bottom:1px solid rgba(255,255,255,.08);color:#fff}
.sidebar-user .text-muted{color:#94a3b8!important}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;flex-shrink:0}
.nav-menu{padding:.5rem 0 2rem}
.nav-title{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:.9rem 1rem .3rem}
/* --d = nesting depth (0 = top level); each level indents a little more, to any depth */
.nav-item{display:flex;align-items:center;gap:.6rem;padding:.5rem 1rem;padding-left:calc(1rem + var(--d,0)*1.25rem);color:var(--sb-fg);text-decoration:none;font-size:.86rem;border-left:3px solid transparent;position:relative}
.nav-item i{width:18px;text-align:center;opacity:.85;flex-shrink:0}
.nav-item .nav-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:rgba(255,255,255,.05);color:#fff}
.nav-item.active{background:rgba(37,99,235,.18);color:#fff;border-left-color:var(--accent);font-weight:600}
.nav-item.active i:first-child{opacity:1;color:#93c5fd}
/* Group toggle (a <button>, so it never navigates or scrolls the page) */
.nav-toggle{width:100%;background:transparent;border:0;border-left:3px solid transparent;text-align:left;font:inherit;font-size:.86rem;cursor:pointer;color:var(--sb-fg);-webkit-appearance:none;appearance:none}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.nav-arrow{width:auto!important;margin-left:auto;font-size:.68rem;opacity:.55;transition:transform .2s ease}
.nav-group.open>.nav-toggle{background:rgba(255,255,255,.04);color:#fff}
.nav-group.open>.nav-toggle .nav-arrow{transform:rotate(90deg);opacity:.9}
.nav-group.active-parent>.nav-toggle{color:#fff;font-weight:600;border-left-color:rgba(37,99,235,.55)}
.nav-group.active-parent>.nav-toggle i:first-child{opacity:1;color:#93c5fd}
/* Collapse animation: grid-template-rows 0fr -> 1fr is GPU-cheap, needs no height measuring and works for nested levels.
   visibility flips after the close transition so hidden links are not tabbable/clickable. */
.nav-sub{display:grid;grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .22s ease,visibility 0s linear .22s}
.nav-group.open>.nav-sub{grid-template-rows:1fr;visibility:visible;transition:grid-template-rows .22s ease,visibility 0s}
.nav-sub-inner{overflow:hidden;min-height:0}
.nav-sub{background:rgba(0,0,0,.14)}
.nav-sub .nav-item{font-size:.83rem;padding-top:.42rem;padding-bottom:.42rem}
.nav-sub .nav-item i:first-child{font-size:.85rem}
.nav-sub .nav-item::before{content:"";position:absolute;left:calc(1rem + (var(--d,1) - 1)*1.25rem + .35rem);top:0;bottom:0;width:1px;background:rgba(255,255,255,.08)}
.nav-sub .nav-item.active::before{background:var(--accent)}
.nav-logout{margin-top:.6rem;border-top:1px solid rgba(255,255,255,.08);padding-top:.7rem;color:#f87171}
.nav-logout i:first-child{color:#f87171;opacity:1}
.nav-logout:hover{background:rgba(239,68,68,.15);color:#fca5a5}
@media (prefers-reduced-motion:reduce){.nav-sub,.nav-group.open>.nav-sub,.nav-arrow,.sidebar{transition:none}}
.main{margin-left:var(--sb-w);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;padding:0 1.2rem;position:sticky;top:0;z-index:1020}
.content{padding:1.2rem;flex:1}
.footer{padding:.7rem 1.2rem;font-size:.75rem;color:#6b7280;border-top:1px solid #e5e7eb;background:#fff}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1035}
@media (max-width:991.98px){.sidebar{transform:translateX(-100%)}.sidebar.show{transform:none}.sidebar-backdrop.show{display:block}.main{margin-left:0}.content{padding:.8rem}}
.card{border:none;box-shadow:0 1px 3px rgba(0,0,0,.06);border-radius:.6rem}
.card-header{background:#fff;border-bottom:1px solid #eef0f3;font-weight:600}
.stat{display:flex;align-items:center;gap:.9rem;padding:1rem}
.stat .ico{width:46px;height:46px;border-radius:.6rem;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff}
.stat .val{font-size:1.25rem;font-weight:700;line-height:1.1}
.stat .lbl{font-size:.75rem;color:#6b7280}
.table{font-size:.84rem}
.table thead th{background:#f8fafc;font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.03em;color:#475569;white-space:nowrap}
.table td{vertical-align:middle}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem}
.badge{font-weight:600}
.form-label{font-size:.8rem;font-weight:600;color:#374151;margin-bottom:.25rem}
.form-control,.form-select{font-size:.88rem}
.denom-btn{min-width:64px}
.denom-btn.active{background:var(--accent);color:#fff}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e2a3a,#2563eb)}
.login-card{width:100%;max-width:400px;border-radius:1rem}
pre.code{background:#0f172a;color:#e2e8f0;padding:.8rem 1rem;border-radius:.5rem;font-size:.78rem;overflow:auto}
.filter-bar .form-control,.filter-bar .form-select{font-size:.8rem}
.route-step{border-left:3px solid var(--accent);padding-left:.8rem;margin-bottom:.5rem}
.receipt{max-width:560px;margin:2rem auto;background:#fff;padding:2rem;border-radius:.8rem;box-shadow:0 2px 12px rgba(0,0,0,.08)}
@media print{.no-print{display:none!important}body{background:#fff}.receipt{box-shadow:none;margin:0}}
.kv{display:flex;justify-content:space-between;padding:.35rem 0;border-bottom:1px dashed #e5e7eb;font-size:.86rem}
.kv span:first-child{color:#6b7280}
.progress-thin{height:6px}
.text-xs{font-size:.72rem}
.cursor{cursor:pointer}
.demo-banner{border-left:4px solid #f59e0b}
/* ---- Recharge page (user-friendly redesign) ---- */
.rc-card{border-radius:.9rem;overflow:hidden}
.rc-tabs{display:flex;gap:.35rem;background:#f1f5f9;padding:.25rem;border-radius:.6rem}
.rc-tab{display:flex;align-items:center;gap:.4rem;padding:.35rem .9rem;border-radius:.45rem;font-weight:600;font-size:.84rem;color:#475569;text-decoration:none}
.rc-tab:hover{color:#1e293b}
.rc-tab.active{background:#fff;color:var(--accent);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.rc-bal{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;border-radius:2rem;padding:.3rem .8rem;font-size:.8rem}
.rc-step{margin-bottom:1.15rem}
.rc-step-head{display:flex;align-items:center;gap:.5rem;margin-bottom:.45rem}
.rc-num{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.rc-input{display:flex;align-items:center;gap:.5rem;border:1.5px solid #d1d5db;border-radius:.7rem;padding:0 .35rem 0 .85rem;background:#fff;transition:border-color .15s,box-shadow .15s}
.rc-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 .2rem rgba(37,99,235,.12)}
.rc-input>i{color:#94a3b8;font-size:1.1rem}
.rc-input .form-control{border:0;box-shadow:none;background:transparent;padding:.75rem .25rem;font-size:1.2rem;font-weight:600;letter-spacing:.04em;min-width:0}
.rc-input .form-control:focus{box-shadow:none}
.rc-input-sm .form-control{font-size:.85rem;font-weight:400;padding:.35rem .25rem;letter-spacing:0}
.rc-clear{border:0;background:#f1f5f9;color:#64748b;width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.75rem}
.rc-clear:hover{background:#e2e8f0;color:#0f172a}
.rc-amount .rc-cur{font-size:1.4rem;font-weight:700;color:#1e293b}
.rc-amount .form-control{font-size:1.5rem;font-weight:700;letter-spacing:0}
.rc-pin .form-control{font-size:1.2rem;letter-spacing:.35em}
.btn-plans{background:#eff6ff;color:var(--accent);border:0;font-weight:600;border-radius:.5rem;padding:.5rem .8rem;white-space:nowrap;font-size:.82rem}
.btn-plans:hover{background:var(--accent);color:#fff}
.btn-plans-alt{background:#f0fdfa;color:#0f766e}
.btn-plans-alt:hover{background:#0f766e;color:#fff}
.rc-chips{display:flex;flex-wrap:wrap;gap:.45rem}
.rc-chip{border:1px solid #e2e8f0;background:#f8fafc;color:#334155;border-radius:2rem;padding:.3rem .8rem;font-size:.82rem;font-weight:600;transition:all .12s}
.rc-chip:hover{border-color:var(--accent);color:var(--accent);background:#eff6ff}
.rc-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}
.op-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:.55rem;border-radius:.7rem;transition:box-shadow .15s}
.op-grid.is-invalid{box-shadow:0 0 0 .2rem rgba(220,38,38,.18)}
.op-tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;padding:.7rem .4rem;border:1.5px solid #e5e7eb;border-radius:.7rem;background:#fff;color:#334155;transition:all .12s;min-height:86px}
.op-tile img{height:34px;max-width:70px;object-fit:contain}
.op-tile .op-ini{width:34px;height:34px;border-radius:.5rem;background:#f1f5f9;color:#475569;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.85rem}
.op-tile .op-name{font-size:.74rem;font-weight:600;line-height:1.15;text-align:center;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.op-tile .op-check{position:absolute;top:5px;right:6px;color:var(--accent);font-size:.9rem;opacity:0;transform:scale(.6);transition:all .15s}
.op-tile:hover{border-color:#93c5fd;box-shadow:0 2px 8px rgba(37,99,235,.10);transform:translateY(-1px)}
.op-tile.active{border-color:var(--accent);background:#eff6ff;box-shadow:0 0 0 .15rem rgba(37,99,235,.15)}
.op-tile.active .op-check{opacity:1;transform:scale(1)}
.rc-preview{display:flex;gap:.5rem;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:.7rem;padding:.6rem .8rem;margin-top:.25rem}
.rc-preview>div{flex:1;text-align:center}
.rc-preview span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:#64748b}
.rc-preview b{font-size:.95rem}
.rc-submit{border-radius:.7rem;padding:.8rem;font-weight:700;font-size:1.02rem;box-shadow:0 6px 16px rgba(37,99,235,.28)}
.rc-recent-item{display:flex;align-items:center;gap:.7rem;padding:.65rem 1rem;border-bottom:1px solid #f1f5f9}
.rc-recent-item:last-child{border-bottom:0}
.rc-recent-item:hover{background:#f8fafc}
.rc-recent-ico{width:36px;height:36px;border-radius:.6rem;background:#eff6ff;color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.min-w-0{min-width:0}
.rc-confirm-head{display:flex;align-items:center;gap:.8rem;background:#f8fafc;border-radius:.7rem;padding:.8rem;margin-bottom:.6rem}
.rc-confirm-head img{height:40px;width:40px;object-fit:contain;border-radius:.5rem;background:#fff;border:1px solid #e5e7eb}
.rc-confirm-head>i{font-size:1.6rem;color:var(--accent)}
.plan-list{display:flex;flex-direction:column;gap:.5rem}
.plan-card{display:flex;align-items:center;gap:.8rem;border:1px solid #e5e7eb;border-radius:.7rem;padding:.65rem .8rem;cursor:pointer;transition:all .12s;background:#fff}
.plan-card:hover{border-color:#93c5fd;background:#f8fbff;box-shadow:0 2px 8px rgba(37,99,235,.08)}
.plan-price{font-size:1.15rem;font-weight:800;color:#1e293b;min-width:64px}
.plan-info{flex:1;min-width:0}
.plan-desc{font-size:.84rem;color:#334155;line-height:1.35}
.plan-meta{display:flex;flex-wrap:wrap;gap:.8rem;font-size:.74rem;color:#64748b;margin-top:.2rem}
@media (max-width:575.98px){.rc-input .form-control{font-size:1.05rem}.rc-amount .form-control{font-size:1.3rem}.btn-plans{padding:.45rem .55rem;font-size:.76rem}.rc-preview{flex-direction:column;gap:.35rem}.rc-preview>div{display:flex;justify-content:space-between;text-align:left}.rc-preview span{display:inline}.op-grid{grid-template-columns:repeat(3,1fr)}}