:root{
  --navy:#0b2a6b;--navy2:#0f1f4d;--blue:#1652d9;--sky:#22b0f0;--yellow:#f9c22e;
  --green:#16a34a;--red:#dc2626;--orange:#f97316;
  --bg:#f2f5fb;--card:#fff;--line:#e5eaf3;--text:#14213d;--muted:#6b7a99;
  --r:16px;--sh:0 2px 10px rgba(15,31,77,.06);
  --safe:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.45;padding-bottom:calc(84px + var(--safe))}
a{color:var(--blue);text-decoration:none}
.ic{width:22px;height:22px;flex:none;vertical-align:middle}
h2{font-size:17px;margin:22px 4px 10px}
h3{font-size:15px;margin:18px 0 8px;color:var(--navy)}
.muted{color:var(--muted)}.small{font-size:13px}.right{text-align:right}.nowrap{white-space:nowrap}
.pos{color:var(--red)}.neg{color:var(--green)}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top,0px));background:linear-gradient(120deg,var(--navy2),var(--navy) 55%,var(--blue));color:#fff;box-shadow:0 2px 12px rgba(11,42,107,.25)}
.topbar h1{flex:1;font-size:18px;margin:0;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-logo{width:34px;height:34px;background:#fff;border-radius:10px;padding:4px}
.tb-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:rgba(255,255,255,.12)}
.tb-btn.on{background:rgba(255,255,255,.28)}
.wrap{max-width:760px;margin:0 auto;padding:14px}

/* bottom nav */
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;align-items:flex-end;background:#fff;border-top:1px solid var(--line);padding:6px 6px calc(6px + var(--safe));box-shadow:0 -4px 18px rgba(15,31,77,.07)}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#8a97b4;font-size:11px;font-weight:600;padding:4px 0}
.bottomnav a.on{color:var(--blue)}
.bottomnav a.on .ic{stroke-width:2.4}
.fab{width:58px;height:58px;border-radius:50%;border:0;margin-top:-26px;background:linear-gradient(135deg,var(--sky),var(--blue));color:#fff;display:grid;place-items:center;box-shadow:0 6px 18px rgba(22,82,217,.45);cursor:pointer}
.fab .ic{width:28px;height:28px;stroke-width:2.6}
@media(min-width:800px){.bottomnav{max-width:560px;margin:0 auto 14px;border-radius:22px;border:1px solid var(--line)}}

/* action sheet */
.sheet-bg{position:fixed;inset:0;background:rgba(10,20,50,.4);opacity:0;pointer-events:none;transition:.2s;z-index:40}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:#fff;border-radius:22px 22px 0 0;padding:10px 16px calc(22px + var(--safe));transform:translateY(105%);transition:.25s cubic-bezier(.2,.8,.2,1);max-width:560px;margin:0 auto}
.sheet.open{transform:none}.sheet-bg.open{opacity:1;pointer-events:auto}
.sheet-grip{width:44px;height:5px;border-radius:5px;background:#d5dcea;margin:0 auto 14px}
.sheet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sheet-grid a{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text);font-size:13px;font-weight:600;text-align:center;padding:10px 4px;border-radius:14px}
.sheet-grid a:active{background:var(--bg)}
.si{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff}
.c1{background:linear-gradient(135deg,#22b0f0,#1652d9)}.c2{background:linear-gradient(135deg,#1652d9,#0b2a6b)}.c3{background:linear-gradient(135deg,#22c55e,#15803d)}
.c4{background:linear-gradient(135deg,#f9c22e,#f97316)}.c5{background:linear-gradient(135deg,#a855f7,#6d28d9)}.c6{background:linear-gradient(135deg,#f43f5e,#be123c)}

/* cards & lists */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:14px;margin-bottom:12px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:6px}
.stat{border-radius:var(--r);padding:14px;color:#fff;position:relative;overflow:hidden}
.stat .lbl{font-size:12px;opacity:.85;font-weight:600}
.stat .v{font-size:20px;font-weight:800;margin-top:4px;letter-spacing:-.3px}
.stat .s{font-size:11px;opacity:.8}
.stat::after{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,.12)}
.st1{background:linear-gradient(135deg,#0b2a6b,#1652d9)}.st2{background:linear-gradient(135deg,#16a34a,#0f766e)}
.st3{background:linear-gradient(135deg,#f97316,#f9a72e)}.st4{background:linear-gradient(135deg,#22b0f0,#0e7ac2)}
.list{background:#fff;border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;margin-bottom:12px}
.li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text)}
.li:last-child{border-bottom:0}
.li:active{background:#f7f9fd}
.li .main{flex:1;min-width:0}
.li .t{font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li .sub{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li .amt{text-align:right;font-weight:700;white-space:nowrap}
.li .amt small{display:block;font-weight:500;margin-top:2px}
.av{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--sky),var(--blue));flex:none;font-size:15px}
.av.t-visit{background:linear-gradient(135deg,#f97316,#f9c22e)}.av.t-item{background:linear-gradient(135deg,#a855f7,#6d28d9)}
.av.t-software_update{background:linear-gradient(135deg,#22c55e,#0f766e)}.av.t-service{background:linear-gradient(135deg,#22b0f0,#1652d9)}.av.t-other{background:linear-gradient(135deg,#64748b,#334155)}
.empty{text-align:center;color:var(--muted);padding:26px 10px}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;letter-spacing:.2px}
.b-paid{background:#dcfce7;color:#15803d}.b-partial{background:#fef3c7;color:#b45309}.b-unpaid{background:#fee2e2;color:#b91c1c}
.b-pending{background:#e0edff;color:#1652d9}.b-billed{background:#e2e8f0;color:#475569}
.chip{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:20px;background:#eef2fa;color:#40507a}

/* filters / tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;margin-bottom:12px;padding-bottom:2px;scrollbar-width:none}
.tabs a{white-space:nowrap;padding:7px 14px;border-radius:20px;background:#fff;color:var(--muted);font-weight:600;font-size:13px;box-shadow:var(--sh)}
.tabs a.on{background:var(--navy);color:#fff}
.searchbar{display:flex;align-items:center;gap:8px;background:#fff;border-radius:14px;padding:0 12px;box-shadow:var(--sh);margin-bottom:12px}
.searchbar input{border:0;outline:0;flex:1;padding:12px 0;font-size:15px;background:transparent}
.daynav{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.daynav a.btn{padding:9px}
.daynav input{flex:1;text-align:center;font-weight:700}

/* forms */
.form label{display:block;font-size:13px;font-weight:600;color:#3d4b6b;margin-bottom:12px}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--text);margin-top:5px;outline:0}
input:focus,select:focus,textarea:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(34,176,240,.15)}
textarea{min-height:80px;resize:vertical}
.row2>*,.row3>*{min-width:0}
input[type=date]{min-width:0;-webkit-appearance:none;appearance:none;min-height:46px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.hint{font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;padding:11px 16px;font:inherit;font-weight:700;font-size:14px;cursor:pointer;background:#eef2fa;color:var(--navy);text-decoration:none}
.btn .ic{width:18px;height:18px}
.btn.primary{background:linear-gradient(135deg,var(--sky),var(--blue));color:#fff;box-shadow:0 4px 12px rgba(22,82,217,.3)}
.btn.green{background:linear-gradient(135deg,#22c55e,#15803d);color:#fff}
.btn.wa{background:#25d366;color:#fff}
.btn.danger{background:#fee2e2;color:#b91c1c}
.btn.block{display:flex;width:100%}
.btn.sm{padding:7px 11px;font-size:13px}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.btns .btn{flex:1 1 auto}
.inline{display:inline}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:12px;font-weight:600;font-size:14px}
.alert.ok{background:#dcfce7;color:#166534}.alert.err{background:#fee2e2;color:#991b1b}.alert.info{background:#e0edff;color:#1e3a8a}

/* invoice line editor */
.lines .ln{background:#f7f9fd;border:1px solid var(--line);border-radius:14px;padding:10px;margin-bottom:8px;position:relative}
.lines .ln.disc{background:#fff6f6;border-color:#fcd4d4}
.lines .ln.job{background:#f2f8ff;border-color:#cfe2ff}
.lines .ln input,.lines .ln select{margin-top:4px;padding:9px 10px}
.lines .ln .rm{position:absolute;top:6px;right:6px;border:0;background:#fff;border-radius:10px;width:30px;height:30px;color:var(--red);cursor:pointer;display:grid;place-items:center}
.lines .ln .rm .ic{width:16px;height:16px}
.lines .ln .ltag{font-size:11px;font-weight:700;color:var(--muted);margin-bottom:2px;padding-right:34px}
.lines .ln .lamt{font-weight:800;text-align:right;margin-top:6px}
.totalbar{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:#fff;border-radius:14px;padding:14px 16px;font-weight:800;font-size:18px;margin:10px 0}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line);gap:10px}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--muted)}
.kv span:last-child{font-weight:650;text-align:right}
.morelist .li .ic{color:var(--blue)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl td,table.tbl th{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left}
table.tbl th{font-size:12px;color:var(--muted);text-transform:uppercase}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;padding:20px;background:linear-gradient(150deg,#0f1f4d,#0b2a6b 50%,#1652d9)}
.auth-card{background:#fff;border-radius:22px;padding:26px 22px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.auth-card h1{text-align:center;font-size:20px;color:var(--navy);margin:8px 0 18px}
.auth-logo{display:block;width:72px;height:72px;margin:0 auto}
.auth-card pre{white-space:pre-wrap;font-size:12px;background:#f2f5fb;padding:10px;border-radius:8px}