:root{
  --bg:#f6f7f9; --card:#fff; --ink:#161a1d; --muted:#6b7580; --line:#e6e9ee;
  --brand:#0b6b58; --brand2:#0e8a71; --accent:#0e8a71; --danger:#c0392b;
  --ok:#1e874b; --warn:#b7791f; --radius:14px;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased;padding-bottom:74px}
a{color:inherit;text-decoration:none}

/* Top bar */
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:6px;
  padding:14px 16px;background:var(--brand);color:#fff;padding-top:max(14px,env(safe-area-inset-top))}
.brand{font-weight:700;font-size:18px;letter-spacing:-.2px;margin-left:4px}
.navbtn{background:rgba(255,255,255,.16);color:#fff;border:none;width:32px;height:32px;border-radius:9px;
  font-size:22px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex:none}
.navbtn:active{background:rgba(255,255,255,.3)}
.gear{font-size:20px;opacity:.9}
.gear.on{opacity:1}

/* Content */
.content{max-width:720px;margin:0 auto;padding:16px}
h1{font-size:22px;margin:6px 0 14px}
h2{font-size:16px;margin:20px 0 10px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.muted{color:var(--muted)}
.row{display:flex;gap:12px;align-items:center}
.space{flex:1}

/* Cards + list */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-top:1px solid var(--line)}
.item:first-child{border-top:none}
.item .main{flex:1;min-width:0}
.item .name{font-weight:600}
.item .sub{color:var(--muted);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .val{font-variant-numeric:tabular-nums;font-weight:600}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--brand2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}

/* Badges */
.badge{font-size:12px;padding:3px 9px;border-radius:20px;font-weight:600;white-space:nowrap}
.b-draft{background:#eef1f4;color:#5b6672}
.b-sent{background:#e6f0fb;color:#2b6cb0}
.b-paid{background:#e4f5ea;color:var(--ok)}
.b-partial{background:#fdf2e0;color:var(--warn)}
.b-overdue{background:#fdeaea;color:var(--danger)}
.b-void{background:#eef1f4;color:#9aa4ae;text-decoration:line-through}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;
  border:none;border-radius:12px;padding:13px 18px;font-size:16px;font-weight:600;cursor:pointer;width:100%}
.btn.sm{width:auto;padding:9px 14px;font-size:14px}
.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn.grey{background:#eef1f4;color:var(--ink)}
.btn.danger{background:#fff;color:var(--danger);border:1.5px solid var(--danger)}
.btn:active{transform:translateY(1px)}
.fab{position:fixed;right:18px;bottom:86px;width:56px;height:56px;border-radius:50%;font-size:28px;
  box-shadow:0 6px 20px rgba(0,0,0,.18);z-index:20;padding:0}

/* Forms */
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px;font-weight:600}
input,textarea,select{width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:11px;
  font-size:16px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,textarea,select:focus{outline:none;border-color:var(--brand)}
textarea{min-height:80px;resize:vertical}
.field-row{display:flex;gap:10px}
.field-row>div{flex:1}
.hint{font-size:12.5px;color:var(--muted);margin-top:4px}

/* Empty / status */
.empty{text-align:center;color:var(--muted);padding:48px 16px}
.empty .big{font-size:40px;margin-bottom:8px}
.flash{background:#e4f5ea;color:var(--ok);border:1px solid #bfe6cd;border-radius:11px;padding:11px 14px;margin-bottom:12px;font-size:14px}
.flash.err{background:#fdeaea;color:var(--danger);border-color:#f3c9c9}
.qgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.qbtn{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 14px;font-weight:600;font-size:14.5px;color:var(--ink)}
.qbtn .qi{font-size:24px;line-height:1;color:var(--brand)}
.qbtn:active{background:#eef5f1}
.stat-row{display:flex;gap:10px;margin-bottom:14px}
.stat{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}

/* Bottom tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);z-index:15}
.tab{flex:1;text-align:center;padding:9px 2px 7px;color:var(--muted);font-size:10px;white-space:nowrap}
.tab .ti{display:block;font-size:19px;line-height:1}
.tab.on{color:var(--brand)}
/* tap chips + steppers (shared) */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{margin:0}
.chips input{position:absolute;opacity:0;width:0;height:0}
.chips span{display:inline-block;padding:11px 15px;border:1.5px solid var(--line);border-radius:999px;background:#fff;cursor:pointer;font-size:15px}
.chips input:checked+span{background:#eef5f1;border-color:var(--brand);color:var(--brand);font-weight:700}
.stepper{display:flex;align-items:center;gap:14px}
.stepper button{width:46px;height:46px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-size:24px;line-height:1;cursor:pointer;color:var(--brand)}
.stepper input{width:64px;text-align:center;font-size:20px;font-weight:700;background:#fff}
.tpill{display:inline-block;font-size:10.5px;font-weight:700;padding:2px 9px;border-radius:20px;white-space:nowrap}
.t-full{background:#e4f5ea;color:#1e874b}
.t-legacy{background:#fdf2e0;color:#b7791f}
.pv{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.banner{border-radius:12px;padding:12px 15px;margin-bottom:14px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px}
.banner a{text-decoration:underline}
.banner.warn{background:#fdf2e0;color:#8a5a12;border:1px solid #f0dcae}
.banner.alert{background:#fdeaea;color:#a02b1e;border:1px solid #f3c9c9}
.linkrow{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
.pill-ok{color:var(--ok);font-weight:600;font-size:13px}
.pill-off{color:var(--muted);font-weight:600;font-size:13px}