:root{
  --green:#0e6b4f; --green-dark:#094a37; --green-soft:#e3f2ec;
  --gold:#e9a820; --gold-soft:#fff3d6;
  --red:#c8362d; --red-soft:#fde8e6;
  --blue:#2b6cb0; --blue-soft:#e6f0fa;
  --ink:#14231f; --muted:#5d6f69; --line:#d9e2de; --paper:#f4f7f5; --card:#ffffff;
  --radius:14px;
  --safe-top:env(safe-area-inset-top,0px); --safe-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root{
    --green:#3fbf94; --green-dark:#7fe0bd; --green-soft:#12362b;
    --gold:#f2b940; --gold-soft:#3b2f10;
    --red:#ff7a70; --red-soft:#3d1a17;
    --blue:#7db4f0; --blue-soft:#14283d;
    --ink:#eaf2ef; --muted:#9db0a9; --line:#2a3d37; --paper:#0d1714; --card:#15221e;
  }
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px; line-height:1.45; -webkit-text-size-adjust:100%;
}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
[hidden]{display:none!important}

/* ---------- Login ---------- */
.login-wrap{min-height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:calc(24px + var(--safe-top)) 20px calc(24px + var(--safe-bottom));
  background:linear-gradient(160deg,var(--green-dark) 0%,var(--green) 55%,#1d8a68 100%)}
.login-card{width:100%;max-width:400px;background:var(--card);border-radius:20px;padding:28px 22px;
  box-shadow:0 18px 50px rgba(0,0,0,.28)}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.brand img{width:52px;height:52px;border-radius:13px}
.brand h1{margin:0;font-size:1.15rem;letter-spacing:.2px}
.brand p{margin:0;color:var(--muted);font-size:.85rem}
label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=tel],select{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:11px;background:var(--card);font-size:16px}
input:focus,select:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 3px var(--green-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;
  padding:12px 18px;font-weight:700;cursor:pointer;background:var(--green);color:#fff;min-height:46px}
.btn:active{transform:scale(.98)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.block{width:100%;margin-top:20px}
.btn.gold{background:var(--gold);color:#2a1e00}
.btn.red{background:var(--red);color:#fff}
.btn.ghost{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn.small{padding:8px 12px;min-height:38px;font-size:.88rem;border-radius:9px}
.msg{margin-top:14px;padding:11px 13px;border-radius:10px;font-size:.92rem}
.msg.err{background:var(--red-soft);color:var(--red)}
.msg.info{background:var(--blue-soft);color:var(--blue)}
.fine{color:var(--muted);font-size:.82rem;margin-top:16px;text-align:center}

/* ---------- App shell ---------- */
.topbar{position:sticky;top:0;z-index:20;background:var(--green-dark);color:#fff;
  padding:calc(10px + var(--safe-top)) 14px 0}
.top-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.top-row .title{font-weight:800;font-size:1.02rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-row .who{font-size:.78rem;opacity:.85}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;font-size:.76rem;font-weight:700;
  background:rgba(255,255,255,.15)}
.dot{width:9px;height:9px;border-radius:50%;background:#5fe3a8}
.pill.off .dot{background:var(--gold)}
.tabs{display:flex;gap:4px;overflow-x:auto;margin:10px -14px 0;padding:0 10px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;border:0;background:transparent;color:rgba(255,255,255,.78);padding:10px 12px;font-weight:700;
  font-size:.88rem;cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}
.tab.active{color:#fff;border-bottom-color:var(--gold)}
.update-bar{background:var(--gold);color:#2a1e00;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-weight:700;font-size:.9rem}
main{padding:16px 14px calc(32px + var(--safe-bottom));max-width:980px;margin:0 auto}
h2{margin:4px 0 12px;font-size:1.3rem}
h3{margin:0 0 8px;font-size:1.02rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.stat{border-radius:var(--radius);padding:14px;background:var(--green-soft)}
.stat b{display:block;font-size:1.25rem}
.stat span{color:var(--muted);font-size:.84rem}
.stat.gold{background:var(--gold-soft)} .stat.blue{background:var(--blue-soft)} .stat.red{background:var(--red-soft)}
.placeholder{text-align:center;padding:36px 16px}
.placeholder .big{font-size:2.4rem}
.badge{display:inline-block;border-radius:999px;padding:2px 10px;font-size:.74rem;font-weight:800}
.badge.owner{background:var(--gold-soft);color:#8a5a00}
.badge.admin{background:var(--blue-soft);color:var(--blue)}
.badge.staff{background:var(--green-soft);color:var(--green)}
.badge.deactivated{background:var(--red-soft);color:var(--red)}
.badge.archived{background:var(--line);color:var(--muted)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row.between{justify-content:space-between}
.seg{display:flex;gap:6px;margin:10px 0 12px;flex-wrap:wrap}
.seg button{border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-weight:700;cursor:pointer}
.seg button.on{background:var(--green);border-color:var(--green);color:#fff}
.staff-item{border-top:1px solid var(--line);padding:12px 0}
.staff-item:first-child{border-top:0}
.muted{color:var(--muted)} .small{font-size:.85rem}

/* ---------- Modal & toast ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:var(--card);width:100%;max-width:560px;max-height:88vh;overflow:auto;border-radius:20px 20px 0 0;
  padding:18px 16px calc(18px + var(--safe-bottom))}
@media (min-width:700px){.overlay{align-items:center}.sheet{border-radius:20px}}
.perm-group{margin:12px 0 4px;font-weight:800;color:var(--green)}
.perm{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.perm input{width:22px;height:22px;accent-color:var(--green)}
.perm.locked{opacity:.5}
.toast{position:fixed;left:50%;bottom:calc(22px + var(--safe-bottom));transform:translateX(-50%);z-index:60;
  background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:12px;font-weight:600;max-width:90%;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.toast.err{background:var(--red);color:#fff}
.spinner{width:34px;height:34px;border:4px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2s}.btn:active{transform:none}}

/* ---------- Stage 2-4 additions ---------- */
.toolbar{display:grid;gap:8px;grid-template-columns:1fr}
@media (min-width:640px){.toolbar{grid-template-columns:2fr 1fr}}
.unit-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 10px;padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}
.unit-row .u-name{grid-column:1 / 3}
.unit-row .u-del{grid-column:1 / 3}
.tiny{display:block;font-size:.74rem;color:var(--muted);margin:0 0 3px;font-weight:600}
.cardbtn{all:unset;box-sizing:border-box;cursor:pointer;display:block;border-radius:var(--radius);padding:14px;background:var(--green-soft);width:100%}
.cardbtn:focus-visible{outline:3px solid var(--gold)}
.cardbtn b{display:block;font-size:1.35rem}
.cardbtn span{color:var(--muted);font-size:.82rem}
.cardbtn.gold{background:var(--gold-soft)} .cardbtn.blue{background:var(--blue-soft)} .cardbtn.red{background:var(--red-soft)}
.badge.low{background:var(--gold-soft);color:#8a5a00}
.badge.available{background:var(--green-soft);color:var(--green)}
.badge.out_of_stock,.badge.expired,.badge.incomplete{background:var(--red-soft);color:var(--red)}
.badge.unstocked{background:var(--blue-soft);color:var(--blue)}
.badge.expiring{background:var(--gold-soft);color:#8a5a00}
.badge.retired{background:var(--gold-soft);color:#8a5a00}
.badge.removed{background:var(--line);color:var(--muted)}
.batch{border-top:1px dashed var(--line);padding:10px 0 2px;margin-top:8px}
.gen-card{border:1.5px solid var(--line);border-radius:12px;padding:12px;margin-bottom:12px}
.pick-list button{display:block;width:100%;text-align:left;border:0;border-top:1px solid var(--line);background:transparent;padding:10px 4px;cursor:pointer}
.pick-list button:first-child{border-top:0}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}
.chips button{border:1.5px solid var(--green);background:transparent;color:var(--green);border-radius:999px;padding:5px 12px;font-weight:700;cursor:pointer}
.pos-qty{color:var(--green);font-weight:800}
.neg-qty{color:var(--red);font-weight:800}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input[readonly]{background:var(--line);color:var(--muted);cursor:not-allowed}
textarea{font:inherit}

/* ---------- Tables, menus, wide sheets ---------- */
.sheet.wide{max-width:1000px}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px}
table.tbl{border-collapse:collapse;width:100%;min-width:640px;font-size:.9rem}
table.tbl.wide{min-width:980px}
table.tbl th{position:sticky;top:0;background:var(--green-soft);color:var(--green-dark);text-align:left;padding:10px 12px;font-size:.78rem;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap}
table.tbl td{padding:11px 12px;border-top:1px solid var(--line);vertical-align:top}
table.tbl tbody tr:hover{background:var(--paper)}
table.tbl td.num,table.tbl th.num{text-align:right;white-space:nowrap}
table.tbl td.act{white-space:nowrap}
.rowbtns{display:flex;gap:6px;flex-wrap:wrap}
details.menu{position:relative;display:inline-block}
details.menu>summary{list-style:none;cursor:pointer;border:1.5px solid var(--green);color:var(--green);border-radius:9px;padding:7px 12px;font-weight:700;font-size:.85rem;min-height:38px;display:inline-flex;align-items:center}
details.menu>summary::-webkit-details-marker{display:none}
details.menu[open]>summary{background:var(--green);color:#fff}
.menu-list{position:absolute;right:0;z-index:30;min-width:170px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 28px rgba(0,0,0,.22);padding:6px;margin-top:4px}
.menu-list button{display:block;width:100%;text-align:left;border:0;background:transparent;padding:10px 12px;border-radius:8px;font-weight:600;cursor:pointer}
.menu-list button:hover{background:var(--paper)}
.menu-list button.danger{color:var(--red)}
.cardbtn .go{display:inline-block;margin-top:8px;padding:5px 12px;border-radius:999px;background:var(--green);color:#fff;font-weight:700;font-size:.8rem}
.cardbtn.gold .go{background:var(--gold);color:#2a1e00}
.cardbtn.red .go{background:var(--red);color:#fff}
.cardbtn.blue .go{background:var(--blue);color:#fff}
.banner{background:var(--gold-soft);border:1px solid var(--gold);border-radius:12px;padding:10px 12px;margin-bottom:12px;font-size:.9rem}
.expl{display:block;font-size:.8rem;white-space:nowrap}
.pick-list{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:10px;margin-top:6px;background:var(--card)}
.pick-list:empty{display:none;border:0}
.pick-list button span.tiny{display:block}