:root{
  --bg:#f3f1ec;
  --bg-soft:#eae7df;
  --surface:#ffffff;
  --surface-2:#faf9f6;
  --border:#e2ddd0;
  --border-strong:#cfc8b8;
  --text:#242320;
  --text-soft:#6b6558;
  --text-faint:#948d7c;
  --navy:#233c4a;
  --navy-dark:#182a34;
  --teal:#4c7a80;
  --sand:#c9a267;
  --green:#3f7d5c;
  --green-bg:#e7f1ea;
  --red:#b3453c;
  --red-bg:#fbebe9;
  --amber-bg:#faf1de;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(35,33,28,.06);
  --shadow-md:0 6px 20px rgba(35,33,28,.08);
  --shadow-lg:0 20px 48px rgba(24,42,52,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Sora','Inter',system-ui,sans-serif;margin:0;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
::selection{background:var(--sand);color:var(--navy-dark)}

/* ---------- Layout ---------- */
.auth-shell{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    radial-gradient(circle at 15% 10%, rgba(76,122,128,.14), transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(201,162,103,.16), transparent 45%),
    var(--bg);
  padding:24px;
}
.auth-card{
  width:100%;
  max-width:420px;
  background:var(--surface);
  border-radius:20px;
  box-shadow:var(--shadow-lg);
  padding:38px 34px 30px;
  border:1px solid var(--border);
  animation:riseIn .5s cubic-bezier(.2,.8,.2,1);
}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.auth-brand .logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(145deg,var(--navy),var(--teal));
  display:flex;align-items:center;justify-content:center;color:#fff;font-family:Sora;font-weight:700;
}
.auth-brand span{font-family:Sora;font-weight:700;font-size:17px;color:var(--navy-dark)}
.auth-card h1{font-size:22px;margin-bottom:4px}
.auth-sub{color:var(--text-soft);font-size:13.5px;margin-bottom:24px}
.auth-tabs{display:flex;background:var(--bg-soft);border-radius:10px;padding:4px;margin-bottom:22px}
.auth-tabs button{
  flex:1;border:none;background:transparent;padding:9px 0;border-radius:8px;
  font-weight:600;font-size:13.5px;color:var(--text-soft);cursor:pointer;transition:.18s;
}
.auth-tabs button.active{background:var(--surface);color:var(--navy-dark);box-shadow:var(--shadow-sm)}

.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:236px;flex:none;background:var(--navy-dark);color:#f2efe9;
  display:flex;flex-direction:column;padding:22px 16px;position:sticky;top:0;height:100vh;
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:18px}
.sidebar-brand .logo-mark{
  width:34px;height:34px;border-radius:9px;background:linear-gradient(145deg,var(--sand),#e3c48d);
  display:flex;align-items:center;justify-content:center;color:var(--navy-dark);font-family:Sora;font-weight:800;flex:none;
}
.sidebar-brand .brand-text{font-family:Sora;font-weight:700;font-size:15px;line-height:1.2}
.sidebar-brand .brand-text small{display:block;font-family:Inter;font-weight:400;font-size:11px;color:#a9b3b8}
.nav-group{display:flex;flex-direction:column;gap:3px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:#cdd3d2;text-decoration:none;font-weight:500;font-size:14px;cursor:pointer;transition:.15s;border:none;background:transparent;text-align:left;width:100%;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(201,162,103,.16);color:#f4e6c8}
.nav-item .ic{width:18px;text-align:center;font-size:15px}
.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.09)}
.sidebar-user{display:flex;align-items:center;gap:9px;padding:6px 8px 12px;font-size:12.5px;color:#b8c0c2}
.sidebar-user b{color:#f2efe9;font-size:13px;display:block}
.btn-logout{
  width:100%;padding:9px;border-radius:9px;border:1px solid rgba(255,255,255,.14);
  background:transparent;color:#e7c9a6;font-size:13px;font-weight:600;cursor:pointer;transition:.15s;
}
.btn-logout:hover{background:rgba(179,69,60,.18);border-color:rgba(179,69,60,.4);color:#f3b3ac}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 32px;border-bottom:1px solid var(--border);background:var(--surface-2);
  position:sticky;top:0;z-index:5;
}
.topbar h2{font-size:19px;color:var(--navy-dark)}
.topbar .crumb{font-size:12.5px;color:var(--text-faint);margin-top:2px}
.content{padding:28px 32px 60px;flex:1}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;border-radius:10px;border:1px solid transparent;
  padding:10px 16px;font-weight:600;font-size:13.5px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--navy-dark)}
.btn-secondary{background:var(--surface);color:var(--navy-dark);border-color:var(--border-strong)}
.btn-secondary:hover{background:var(--bg-soft)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:rgba(35,60,74,.06)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#8e332c}
.btn-ghost{background:transparent;color:var(--text-soft);border-color:transparent}
.btn-ghost:hover{background:var(--bg-soft);color:var(--text)}
.btn-sm{padding:7px 11px;font-size:12.5px;border-radius:8px}
.btn-icon{width:34px;height:34px;padding:0;justify-content:center;border-radius:9px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-add-inline{
  width:34px;height:34px;flex:none;border-radius:9px;border:1px dashed var(--border-strong);
  background:var(--surface);color:var(--navy);font-size:17px;cursor:pointer;transition:.15s;
}
.btn-add-inline:hover{background:var(--amber-bg);border-color:var(--sand);border-style:solid}

/* ---------- Cards / sections ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.section-head h3{font-size:16px;color:var(--navy-dark)}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:10px;padding:9px 13px;min-width:260px;
}
.search-box input{border:none;outline:none;background:transparent;font-size:13.5px;width:100%;color:var(--text)}
.search-box .ic{color:var(--text-faint)}

.product-picker{position:relative}
.product-picker-results{
  background:var(--surface);border:1px solid var(--border-strong);border-radius:10px;
  max-height:240px;overflow-y:auto;box-shadow:var(--shadow-md);
}
.product-picker-results-static{position:static;margin-top:8px;max-height:280px}
.product-picker-results .result-item{padding:10px 13px;cursor:pointer;font-size:13.5px;border-bottom:1px solid var(--border)}
.product-picker-results .result-item:last-child{border-bottom:none}
.product-picker-results .result-item:hover,.product-picker-results .result-item.active{background:var(--amber-bg)}
.product-picker-results .result-item b{color:var(--navy-dark)}
.product-picker-results .result-item .r-meta{float:right;color:var(--text-soft);font-variant-numeric:tabular-nums}
.product-picker-results .result-empty{padding:14px 13px;font-size:13px;color:var(--text-faint);text-align:center}
.product-picker-selected{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px solid var(--border-strong);border-radius:9px;padding:10px 12px;background:var(--surface-2);
}
.product-picker-selected b{color:var(--navy-dark);font-size:13.5px}
.product-picker-selected .change-btn{background:none;border:none;color:var(--teal);font-weight:600;font-size:12.5px;cursor:pointer}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:22px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.stat-card .lbl{font-size:12px;color:var(--text-faint);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat-card .val{font-family:Sora;font-size:24px;font-weight:700;color:var(--navy-dark);margin-top:6px}
.stat-card .sub{font-size:11.5px;color:var(--text-soft);margin-top:3px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px}
thead th{
  text-align:left;padding:12px 14px;background:var(--surface-2);color:var(--text-soft);
  font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);
  white-space:nowrap;
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .12s;cursor:pointer}
tbody tr:hover{background:var(--surface-2)}
tbody tr.selected{background:var(--amber-bg)}
tbody tr.selected td{color:var(--navy-dark)}
.empty-row td{text-align:center;color:var(--text-faint);padding:34px 14px;font-size:13.5px}
.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-variant-numeric:tabular-nums}

.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:700;letter-spacing:.02em}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-amber{background:var(--amber-bg);color:#96742f}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-navy{background:#e7edf0;color:var(--navy)}

.actions-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.form-grid.cols-3{grid-template-columns:1fr 1fr 1fr}
.field{display:flex;flex-direction:column;gap:6px}
.field.span-2{grid-column:span 2}
.field label{font-size:12.5px;font-weight:600;color:var(--text-soft)}
.field .hint{font-size:11px;color:var(--text-faint)}
.field-row{display:flex;gap:8px;align-items:flex-end}
.field-row .field{flex:1}
input[type=text],input[type=number],input[type=email],input[type=password],input[type=date],select,textarea{
  border:1px solid var(--border-strong);border-radius:9px;padding:10px 12px;font-size:13.5px;
  background:var(--surface);color:var(--text);outline:none;transition:.15s;width:100%;
}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(76,122,128,.15)}
input[readonly]{background:var(--surface-2);color:var(--text-soft)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b6558'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.computed-field{background:var(--green-bg)!important;color:var(--green)!important;font-weight:700;border-color:#cfe4d7!important}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(24,32,36,.44);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;
  animation:fadeIn .16s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:var(--surface);border-radius:18px;box-shadow:var(--shadow-lg);width:100%;max-width:560px;
  max-height:88vh;display:flex;flex-direction:column;animation:popIn .2s cubic-bezier(.2,.8,.2,1);
}
.modal.modal-lg{max-width:760px}
.modal.modal-sm{max-width:400px}
@keyframes popIn{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:17px}
.modal-close{background:none;border:none;font-size:20px;color:var(--text-faint);cursor:pointer;width:30px;height:30px;border-radius:8px}
.modal-close:hover{background:var(--bg-soft);color:var(--text)}
.modal-body{padding:22px 24px;overflow-y:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}
.confirm-icon{width:48px;height:48px;border-radius:50%;background:var(--red-bg);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}

/* ---------- Remito editor ---------- */
.remito-head-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}
.remito-meta-card{padding:18px 20px}
.remito-totals{
  margin-top:16px;display:flex;justify-content:flex-end;
}
.totals-box{width:280px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:16px 18px}
.totals-box .row{display:flex;justify-content:space-between;font-size:13px;color:var(--text-soft);padding:5px 0}
.totals-box .row.grand{border-top:1px solid var(--border);margin-top:6px;padding-top:10px;font-size:16px;font-weight:700;color:var(--navy-dark);font-family:Sora}

.pill-tabs{display:flex;gap:8px;margin-bottom:18px}
.pill-tabs button{
  border:1px solid var(--border-strong);background:var(--surface);padding:8px 15px;border-radius:99px;
  font-size:12.5px;font-weight:600;color:var(--text-soft);cursor:pointer;
}
.pill-tabs button.active{background:var(--navy);color:#fff;border-color:var(--navy)}

.uploader{
  border:1.5px dashed var(--border-strong);border-radius:14px;padding:28px;text-align:center;
  background:var(--surface-2);cursor:pointer;transition:.15s;
}
.uploader:hover{border-color:var(--sand);background:var(--amber-bg)}
.uploader .ic{font-size:26px;margin-bottom:8px;color:var(--teal)}
.uploader b{color:var(--navy-dark)}
.uploader .hint{color:var(--text-faint);font-size:12px;margin-top:4px}
.ia-preview-img{max-width:100%;max-height:220px;border-radius:10px;border:1px solid var(--border);margin-top:12px}
.ia-status{display:flex;align-items:center;gap:10px;padding:14px;border-radius:10px;background:var(--surface-2);font-size:13px;color:var(--text-soft);margin-top:12px}
.spinner{width:16px;height:16px;border:2.5px solid var(--border-strong);border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

.empty-state{text-align:center;padding:60px 20px;color:var(--text-faint)}
.empty-state .ic{font-size:36px;margin-bottom:12px}
.empty-state h4{color:var(--text-soft);margin-bottom:6px;font-size:15px}
.empty-state p{font-size:13px;max-width:340px;margin:0 auto}

/* ---------- Toasts ---------- */
.toasts{position:fixed;top:18px;right:18px;z-index:300;display:flex;flex-direction:column;gap:10px}
.toast{
  background:var(--navy-dark);color:#fff;padding:12px 16px;border-radius:10px;font-size:13px;font-weight:500;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;min-width:220px;max-width:340px;
  animation:slideIn .22s cubic-bezier(.2,.8,.2,1);
}
.toast.success{background:#254a3a}
.toast.error{background:#5c2b26}
@keyframes slideIn{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}

/* ---------- Misc ---------- */
.link-btn{background:none;border:none;color:var(--teal);font-weight:600;font-size:13px;cursor:pointer;padding:0}
.link-btn:hover{text-decoration:underline}
.form-error{background:var(--red-bg);color:var(--red);padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:14px;display:none}
.form-error.show{display:block}
.help-note{font-size:11.5px;color:var(--text-faint);margin-top:4px;line-height:1.5}
.select-row-hint{font-size:12px;color:var(--text-faint);margin-top:10px}

@media (max-width:880px){
  .sidebar{position:fixed;left:-260px;transition:.2s;z-index:80}
  .sidebar.open{left:0}
  .form-grid,.form-grid.cols-3,.remito-head-grid{grid-template-columns:1fr}
  .field.span-2{grid-column:span 1}
  .content{padding:20px 16px 50px}
  .topbar{padding:14px 16px}
}

@media print{
  body *{visibility:hidden}
}