:root{
  --bg:#FAF7F0;
  --bg-alt:#F2EEE3;
  --card:#FFFFFF;
  --ink:#2B2A25;
  --ink-soft:#6B6A61;
  --border:#E7E1D2;
  --sage:#7E9A6D;
  --sage-dark:#5E7A50;
  --sage-light:#E7EFDF;
  --amber:#D69A3C;
  --amber-light:#FBEED9;
  --red:#C4523F;
  --red-light:#F8E2DD;
  --blue:#4A7FA5;
  --blue-light:#E3EDF4;
  --gray-light:#EDEBE4;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(43,42,37,.06);
  --shadow-lift:0 8px 28px rgba(43,42,37,.14);
  --font-serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --nav-h:64px;
  --top-h:56px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
h1,h2,h3,.serif{font-family:var(--font-serif);}
.hidden{display:none !important}
button{font-family:inherit}
input,select,textarea{font-family:inherit}

/* ---------- Login ---------- */
.login-screen{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,var(--sage-light),var(--bg));
  padding:24px;
}
.login-card{
  background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lift);
  padding:36px 28px;width:100%;max-width:360px;text-align:center;
}
.login-logo{font-size:44px;margin-bottom:6px}
.login-title{font-size:26px;margin:0 0 2px}
.login-sub{color:var(--ink-soft);margin:0 0 24px;font-size:14px}
.login-error{color:var(--red);font-size:13px;margin-top:10px}
.login-hint{color:var(--ink-soft);font-size:12px;margin-top:16px;line-height:1.4}

/* ---------- App shell ---------- */
.app{min-height:100%;padding-bottom:calc(var(--nav-h) + 8px)}
.topbar{
  position:sticky;top:0;z-index:20;
  height:var(--top-h);display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(250,247,240,.92);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.topbar-title{font-family:var(--font-serif);font-size:20px;font-weight:600}
.view{padding:14px 14px 24px;max-width:640px;margin:0 auto}

.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);
  display:flex;background:var(--card);border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);z-index:30;
}
.nav-btn{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:none;border:none;color:var(--ink-soft);font-size:10.5px;padding:6px 2px;cursor:pointer;
  transition:color .15s;
}
.nav-btn .nav-icon{font-size:19px;line-height:1}
.nav-btn.active{color:var(--sage-dark);font-weight:600}

.icon-btn{
  background:none;border:none;font-size:19px;cursor:pointer;position:relative;
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
}
.icon-btn:active{background:var(--gray-light)}
.badge-count{
  position:absolute;top:2px;right:2px;background:var(--red);color:#fff;font-size:10px;
  min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  padding:0 3px;font-weight:600;
}

/* ---------- Cards / Sections ---------- */
.card{
  background:var(--card);border-radius:var(--radius-lg);padding:16px;margin-bottom:12px;
  box-shadow:var(--shadow);
}
.section-title{
  font-family:var(--font-serif);font-size:15px;color:var(--ink-soft);
  text-transform:uppercase;letter-spacing:.04em;margin:22px 0 10px;font-weight:600;
}
.section-title:first-child{margin-top:2px}
.empty-state{text-align:center;padding:28px 12px;color:var(--ink-soft)}
.empty-state .emoji{font-size:34px;display:block;margin-bottom:8px}

/* ---------- Buttons ---------- */
.btn{
  border:none;border-radius:var(--radius-sm);padding:11px 16px;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:transform .1s, opacity .15s;display:inline-flex;align-items:center;justify-content:center;gap:6px;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--sage);color:#fff}
.btn-primary:hover{background:var(--sage-dark)}
.btn-secondary{background:var(--gray-light);color:var(--ink)}
.btn-danger{background:var(--red-light);color:var(--red)}
.btn-ghost{background:none;color:var(--sage-dark);padding:8px 10px}
.btn-block{width:100%;margin-top:14px}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
.fab-row{display:flex;justify-content:flex-end;margin-top:10px}

/* ---------- Forms ---------- */
.input,.select,.textarea{
  width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg-alt);font-size:14.5px;color:var(--ink);margin-bottom:10px;
}
.textarea{resize:vertical;min-height:70px}
.password-field{position:relative}
.password-field .input{padding-right:40px}
.password-toggle{
  position:absolute;right:6px;top:0;bottom:0;margin:auto 0;height:32px;width:32px;
  border:none;background:transparent;cursor:pointer;font-size:16px;line-height:1;
  display:flex;align-items:center;justify-content:center;color:var(--ink-soft);opacity:.7;
  margin-bottom:10px;
}
.password-toggle:hover{opacity:1}
.input:focus,.select:focus,.textarea:focus{outline:2px solid var(--sage);outline-offset:1px;background:#fff}
.field-label{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin:0 0 5px;display:block}
.field-row{display:flex;gap:8px}
.field-row > *{flex:1}
.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:14px}
.form-group{margin-bottom:4px}
.hint-text{font-size:12px;color:var(--ink-soft);margin:-6px 0 10px}

/* ---------- Search / filters ---------- */
.search-bar{
  display:flex;align-items:center;gap:8px;background:var(--bg-alt);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:9px 12px;margin-bottom:10px;
}
.search-bar input{border:none;background:none;flex:1;font-size:14.5px;padding:0;margin:0}
.filter-chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px}
.chip{
  flex:0 0 auto;padding:7px 13px;border-radius:20px;background:var(--gray-light);border:1px solid transparent;
  font-size:13px;cursor:pointer;color:var(--ink-soft);white-space:nowrap;
}
.chip.active{background:var(--sage-light);color:var(--sage-dark);border-color:var(--sage);font-weight:600}

/* ---------- Product / list rows ---------- */
.list-row{
  display:flex;align-items:center;gap:11px;background:var(--card);border-radius:var(--radius-md);
  padding:11px;margin-bottom:8px;box-shadow:var(--shadow);cursor:pointer;
}
.list-row.selected{outline:2px solid var(--sage)}
.row-thumb{
  width:46px;height:46px;border-radius:12px;background:var(--sage-light);display:flex;align-items:center;
  justify-content:center;font-size:20px;flex:0 0 auto;overflow:hidden;
}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-body{flex:1;min-width:0}
.row-title{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-sub{font-size:12.5px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}

.checkbox-select{width:19px;height:19px;flex:0 0 auto}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;
}
.badge-ok{background:var(--sage-light);color:var(--sage-dark)}
.badge-warn{background:var(--amber-light);color:#8A611E}
.badge-danger{background:var(--red-light);color:var(--red)}
.badge-neutral{background:var(--gray-light);color:var(--ink-soft)}
.badge-blue{background:var(--blue-light);color:var(--blue)}
.badge-fifo{background:var(--blue-light);color:var(--blue);font-size:10px;padding:2px 7px}

/* ---------- Home ---------- */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:6px}
.stat-card{background:var(--card);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow)}
.stat-num{font-family:var(--font-serif);font-size:26px;font-weight:700}
.stat-label{font-size:12px;color:var(--ink-soft);margin-top:2px}
.stat-card.warn .stat-num{color:var(--amber)}
.stat-card.danger .stat-num{color:var(--red)}
.stat-card.ok .stat-num{color:var(--sage-dark)}

.alert-row{
  display:flex;align-items:center;gap:11px;padding:11px;border-radius:var(--radius-md);
  background:var(--card);margin-bottom:8px;box-shadow:var(--shadow);cursor:pointer;
}
.alert-icon{font-size:20px;flex:0 0 auto}
.alert-body{flex:1;min-width:0}
.alert-title{font-weight:600;font-size:14px}
.alert-sub{font-size:12px;color:var(--ink-soft)}

.all-clear{
  text-align:center;padding:44px 20px;color:var(--sage-dark);
}
.all-clear .emoji{font-size:46px;display:block;margin-bottom:10px}
.all-clear .msg{font-family:var(--font-serif);font-size:19px;font-weight:600}

/* ---------- Zones grid ---------- */
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.zone-card{
  background:var(--card);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow);cursor:pointer;
  border-top:4px solid var(--gray-light);
}
.zone-card.ok{border-top-color:var(--sage)}
.zone-card.warn{border-top-color:var(--amber)}
.zone-card.danger{border-top-color:var(--red)}
.zone-card.none{border-top-color:var(--ink-soft)}
.zone-name{font-weight:600;font-size:14px;display:flex;align-items:center;gap:6px;margin-bottom:6px}
.zone-temp{font-family:var(--font-serif);font-size:22px;font-weight:700}
.zone-time{font-size:11px;color:var(--ink-soft);margin-top:2px}

/* ---------- Bottom sheet ---------- */
.sheet-overlay{position:fixed;inset:0;background:rgba(20,20,15,.4);z-index:40;opacity:0;transition:opacity .18s}
.sheet-overlay.show{opacity:1}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--bg);
  border-radius:22px 22px 0 0;max-height:92vh;overflow-y:auto;
  box-shadow:0 -8px 30px rgba(0,0,0,.18);
  transform:translateY(100%);transition:transform .2s ease-out;
  padding-bottom:env(safe-area-inset-bottom);
}
.sheet.show{transform:translateY(0)}
.sheet-handle{width:38px;height:4px;background:var(--border);border-radius:3px;margin:10px auto}
.sheet-content{padding:6px 18px 26px}
.sheet-title{font-family:var(--font-serif);font-size:20px;margin:4px 0 16px;font-weight:700}

/* ---------- Toast ---------- */
.toast-container{position:fixed;top:12px;left:0;right:0;z-index:60;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:24px;font-size:13.5px;
  box-shadow:var(--shadow-lift);animation:toast-in .18s ease-out;max-width:88vw;text-align:center;
}
.toast.error{background:var(--red)}
.toast.success{background:var(--sage-dark)}
@keyframes toast-in{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Chatbot ---------- */
.chatbot-fab{
  position:fixed;right:16px;bottom:calc(var(--nav-h) + 16px);z-index:25;
  width:52px;height:52px;border-radius:50%;background:var(--sage);color:#fff;border:none;
  font-size:22px;box-shadow:var(--shadow-lift);cursor:pointer;
}
.chatbot-panel{
  position:fixed;right:12px;left:12px;bottom:calc(var(--nav-h) + 12px);top:60px;z-index:50;
  background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lift);
  display:flex;flex-direction:column;overflow:hidden;max-width:420px;margin:0 auto;
}
.chatbot-header{
  display:flex;align-items:center;justify-content:space-between;padding:14px 16px;
  background:var(--sage-light);font-weight:700;color:var(--sage-dark);font-family:var(--font-serif);
}
.chatbot-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:82%;padding:9px 13px;border-radius:16px;font-size:13.5px;line-height:1.4}
.msg.bot{background:var(--gray-light);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--sage);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chatbot-chips{display:flex;gap:6px;overflow-x:auto;padding:0 12px 8px}
.chatbot-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--border)}
.chatbot-form .input{margin:0}

/* ---------- Misc ---------- */
.thumb-strip{display:flex;gap:8px;overflow-x:auto;margin-bottom:10px}
.thumb{position:relative;width:64px;height:64px;border-radius:10px;overflow:hidden;flex:0 0 auto;background:var(--gray-light)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .rm{position:absolute;top:1px;right:1px;background:rgba(0,0,0,.55);color:#fff;border:none;border-radius:50%;width:18px;height:18px;font-size:11px;cursor:pointer}
.doc-row{display:flex;align-items:center;gap:8px;background:var(--bg-alt);border-radius:10px;padding:8px 10px;margin-bottom:6px;font-size:13px}
.doc-row .doc-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.color-swatches{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.swatch{width:28px;height:28px;border-radius:50%;cursor:pointer;border:2px solid transparent}
.swatch.selected{border-color:var(--ink)}
.icon-picker{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.icon-opt{width:36px;height:36px;border-radius:10px;background:var(--gray-light);display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;border:2px solid transparent}
.icon-opt.selected{border-color:var(--sage)}
.divider{height:1px;background:var(--border);margin:16px 0}
.settings-item{display:flex;align-items:center;justify-content:space-between;padding:13px 2px;border-bottom:1px solid var(--border);gap:10px}
.settings-item:last-child{border-bottom:none}
.settings-label{font-size:14.5px;font-weight:600}
.settings-desc{font-size:12px;color:var(--ink-soft);margin-top:2px}
.switch{position:relative;width:42px;height:24px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.switch-slider{position:absolute;inset:0;background:var(--gray-light);border-radius:14px;cursor:pointer;transition:.15s}
.switch-slider::before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked + .switch-slider{background:var(--sage)}
.switch input:checked + .switch-slider::before{transform:translateX(18px)}

.label-preview{
  border:2px dashed var(--border);border-radius:var(--radius-md);padding:16px;background:#fff;margin-bottom:12px;
}
.label-preview .lp-name{font-weight:700;font-size:16px}
.label-preview .lp-dlc{font-family:var(--font-serif);font-size:30px;font-weight:800;color:var(--red);margin:6px 0}
.label-preview .lp-meta{font-size:11.5px;color:var(--ink-soft);line-height:1.5}
.label-preview .lp-barcode{font-family:monospace;letter-spacing:2px;font-size:20px;margin-top:6px;background:repeating-linear-gradient(90deg,#000 0 2px,#fff 2px 4px);height:34px;color:transparent;overflow:hidden}

@media print{
  body *{visibility:hidden}
  #print-area, #print-area *{visibility:visible}
  #print-area{position:absolute;top:0;left:0;width:100%}
}

.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

.link-btn{background:none;border:none;color:var(--sage-dark);font-size:13px;font-weight:600;cursor:pointer;padding:4px 0}

@media (min-width:700px){
  .view{max-width:680px}
}