/* ============================================================
   Interfaz del Cotizador — limpia y neutral (la marca vive en el
   documento). Responsive: desktop lado a lado, móvil apilado + wizard.
   ============================================================ */
:root{
  --bg:#f4f5f7; --panel:#ffffff; --ink:#14151a; --muted:#6b7280;
  --line:#e5e7eb; --line2:#eef0f3; --brand:#111827; --accent:#E1251B;
  --ok:#16a34a; --warn:#b45309; --radius:12px; --shadow:0 1px 3px rgba(0,0,0,.08),0 8px 24px rgba(0,0,0,.05);
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
[hidden]{display:none !important}
.hidden{display:none !important}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px}
a{color:var(--accent)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:9px 14px;border-radius:9px;cursor:pointer;font-weight:600;font-size:13px;transition:.12s;white-space:nowrap}
.btn:hover{background:#f8fafc;border-color:#d1d5db}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn--primary:hover{background:#000}
.btn--accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn--accent:hover{filter:brightness(.94)}
.btn--ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn--ghost:hover{background:#eceff3;color:var(--ink)}
.btn--danger{color:#b91c1c;border-color:#fecaca;background:#fff}
.btn--danger:hover{background:#fef2f2}
.btn--sm{padding:6px 10px;font-size:12px;border-radius:8px}
.btn--block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid var(--line)}
.chip--borrador{background:#f3f4f6;color:#4b5563}
.chip--guardada{background:#ecfdf5;color:#047857;border-color:#a7f3d0}
.chip--exportada{background:#fef3c7;color:#92400e;border-color:#fde68a}
.chip--koychi{background:#fef2f2;color:#E1251B;border-color:#fecaca}
.chip--kbox{background:#faf0fb;color:#a21caf;border-color:#f0abfc}

/* ---------- Login ---------- */
.login{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#fff,transparent),var(--bg)}
.login__card{width:100%;max-width:360px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:30px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.login__brand{display:flex;gap:6px;margin-bottom:2px}
.login__dot{width:12px;height:12px;display:inline-block;border-radius:3px}
.login__title{margin:0;font-size:22px;font-weight:700;letter-spacing:-.01em}
.login__sub{margin:0 0 6px;color:var(--muted);font-size:13px}
.login__error{margin:0;color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;padding:8px 10px;border-radius:8px;font-size:12.5px}
.login__foot{color:var(--muted);font-size:12px}

.field{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:600;color:#374151}
.field>span{font-size:12px}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:9px;padding:9px 11px;background:#fff;font-weight:500;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #c7d2fe;border-color:#a5b4fc}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:10px 18px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar__brand{font-weight:700;letter-spacing:-.01em}
.topbar__brand span{color:var(--muted);font-weight:600}
.topbar__nav{display:flex;gap:4px;margin-left:8px}
.navbtn{border:none;background:transparent;padding:8px 14px;border-radius:8px;font-weight:600;color:var(--muted);cursor:pointer}
.navbtn:hover{background:#eef0f3;color:var(--ink)}
.navbtn.active{background:var(--brand);color:#fff}
.topbar__user{margin-left:auto;display:flex;align-items:center;gap:10px}
.topbar__email{font-size:12.5px;color:var(--muted)}

.main{max-width:1400px;margin:0 auto;padding:20px}

/* ---------- Encabezado de sección ---------- */
.page-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:20px;font-weight:700}
.page-head .spacer{flex:1}

/* ---------- Tarjetas / paneles ---------- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel__head{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700;display:flex;align-items:center;gap:10px}
.panel__body{padding:16px}

/* ---------- Tabla catálogo / historial ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel)}
.table td{padding:10px 12px;border-bottom:1px solid var(--line2);vertical-align:middle}
.table tr:hover td{background:#fafbfc}
.table .num{text-align:right;font-variant-numeric:tabular-nums}
.table .ctr{text-align:center}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.inp-inline{width:100%;border:1px solid transparent;border-radius:7px;padding:6px 8px;background:transparent}
.inp-inline:hover{border-color:var(--line)}
.inp-inline:focus{outline:none;border-color:#a5b4fc;background:#fff}
.inp-price{width:110px;text-align:right}
.inp-qty{width:70px;text-align:center}

/* switch */
.switch{position:relative;display:inline-block;width:38px;height:22px}
.switch input{display:none}
.switch span{position:absolute;inset:0;background:#cbd5e1;border-radius:999px;transition:.15s;cursor:pointer}
.switch span::before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s}
.switch input:checked+span{background:var(--ok)}
.switch input:checked+span::before{transform:translateX(16px)}

/* ---------- Layout armador: editor + previa ---------- */
.builder{display:grid;grid-template-columns:minmax(420px,1fr) minmax(520px,720px);gap:20px;align-items:start}
.editor{display:flex;flex-direction:column;gap:16px;min-width:0}
.preview-col{position:sticky;top:74px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.grid4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px}

/* selector de marca */
.marca-pick{display:flex;gap:10px}
.marca-opt{flex:1;border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;text-align:left;background:#fff;transition:.12s}
.marca-opt:hover{border-color:#cbd5e1}
.marca-opt.sel{border-color:var(--ink)}
.marca-opt.sel[data-marca="koychi"]{border-color:#E1251B;background:#fff7f6}
.marca-opt.sel[data-marca="kbox"]{border-color:#E61AA1;background:#fdf4fb}
.marca-opt b{display:block;font-size:15px}
.marca-opt small{color:var(--muted)}

/* catálogo picker */
.picker{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:10px}
.picker__item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line2);cursor:pointer}
.picker__item:hover{background:#f8fafc}
.picker__item:last-child{border-bottom:none}
.picker__item b{font-weight:600}
.picker__grp{padding:6px 12px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f8fafc;font-weight:700}
.picker__add{margin-left:auto;color:var(--accent);font-weight:700}

/* líneas agregadas */
.line{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px;background:#fff}
.line__top{display:flex;align-items:center;gap:8px}
.line__name{font-weight:600;flex:1;min-width:0}
.line__name input{width:100%}
.line__ctrls{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;align-items:end}
.line__ctrls .field{gap:3px}
.line__ctrls .field span{color:var(--muted);font-weight:600;font-size:11px}
.line__ctrls input,.line__ctrls select{padding:6px 8px;border:1px solid var(--line);border-radius:7px}
.mini{width:74px}
.line__monto{margin-left:auto;font-weight:700;font-variant-numeric:tabular-nums;font-size:15px}
.badge-cort{font-size:11px;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;padding:2px 7px;border-radius:999px}

/* descuentos */
.desc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.desc-grid .field span{font-size:11px}
.suffix{position:relative}
.suffix input{width:100%;padding-right:26px}
.suffix::after{content:"%";position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600}

/* previa */
.preview-wrap{background:#e9ebef;border:1px solid var(--line);border-radius:12px;padding:16px;overflow:hidden}
.preview-scale{transform-origin:top left}
.preview-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.preview-toolbar .spacer{flex:1}

/* barra de acciones */
.actionbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* comentarios */
.coments{display:flex;flex-direction:column;gap:8px}
.coment{background:#f8fafc;border:1px solid var(--line2);border-radius:8px;padding:8px 10px;font-size:13px}
.coment small{color:var(--muted);display:block;margin-top:2px;font-size:11px}

/* wizard (móvil) */
.wizard-steps{display:none}
.mobile-tabs{display:none}
.mobile-bar{display:none}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#111827;color:#fff;padding:11px 18px;border-radius:10px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:.2s;z-index:100;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast--err{background:#b91c1c}
.toast--ok{background:#111827}

.empty{text-align:center;color:var(--muted);padding:48px 20px}
.spin{display:inline-block;width:16px;height:16px;border:2px solid #cbd5e1;border-top-color:var(--brand);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .builder{grid-template-columns:1fr}
  .preview-col{position:static}
  /* pestañas Editar / Previa */
  .mobile-tabs{display:flex;gap:6px;position:sticky;top:56px;z-index:15;background:var(--bg);padding:8px 0}
  .mobile-tabs button{flex:1;padding:9px;border:1px solid var(--line);background:#fff;border-radius:9px;font-weight:700;color:var(--muted)}
  .mobile-tabs button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
  .builder.tab-editar .preview-col{display:none}
  .builder.tab-previa .editor{display:none}
  .grid4,.grid3{grid-template-columns:1fr 1fr}
  .desc-grid{grid-template-columns:1fr 1fr}
  .main{padding:12px}
}
@media (max-width:640px){
  .topbar__brand span{display:none}
  .grid2,.grid3,.grid4,.desc-grid{grid-template-columns:1fr}
  .marca-pick{flex-direction:column}
  .table-scroll{overflow-x:auto}
}

/* ============================================================
   IMPRESIÓN — el print real se hace en un iframe aislado (pdf.js),
   pero por si se imprime la página, se oculta la interfaz.
   ============================================================ */
@media print{
  .topbar,.mobile-tabs,.mobile-bar,.actionbar,.preview-toolbar,.editor,.no-print{display:none !important}
  body{background:#fff}
}