:root{--bg:#eef4fb;--surface:#fff;--surface2:#f8fbff;--text:#172235;--muted:#66758a;--primary:#0f5ca8;--primary2:#083b75;--accent:#1bd0a7;--danger:#d92d20;--ok:#079455;--warn:#f79009;--line:#dbe6f2;--shadow:0 18px 45px rgba(15,92,168,.12);--radius:20px}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#dff0ff 0,#eef4fb 38%,#f7fbff 100%);font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text)}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:282px;background:linear-gradient(180deg,#0f5ca8,#082f63);color:#fff;padding:18px;position:sticky;top:0;height:100vh;box-shadow:8px 0 35px rgba(4,35,73,.18);z-index:5}.brand-box{display:flex;gap:12px;align-items:center;padding:10px 8px 22px}.logo-mark{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#1bd0a7,#fff);color:#0b4c91;font-size:27px;font-weight:900;box-shadow:0 10px 25px rgba(27,208,167,.26)}.brand-box strong{display:block;font-size:18px}.brand-box span{font-size:12px;opacity:.78}.nav-menu{display:grid;gap:6px}.nav-menu a,.logout{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff;padding:12px 13px;border-radius:15px;font-weight:650}.nav-menu a:hover,.nav-menu a.active,.logout:hover{background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}.logout{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.09)}.main{flex:1;min-width:0}.topbar{height:72px;display:flex;align-items:center;gap:10px;padding:0 24px;position:sticky;top:0;background:rgba(238,244,251,.78);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,230,242,.7);z-index:4}.icon-btn,.home-link{border:1px solid var(--line);background:#fff;color:#143a66;border-radius:14px;padding:10px 13px;text-decoration:none;font-weight:750;box-shadow:0 7px 16px rgba(15,92,168,.06);cursor:pointer}.spacer{flex:1}.user-pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px;color:#43536a;font-weight:650}.page-body{padding:26px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.page-title h1{margin:0;font-size:30px;letter-spacing:-.5px}.page-title p{margin:5px 0 0;color:var(--muted)}.card{background:rgba(255,255,255,.92);border:1px solid rgba(219,230,242,.9);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:18px}.hero{background:linear-gradient(135deg,#0f5ca8,#0b3f75 62%,#1bd0a7);color:#fff;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.12)}.hero h1{font-size:34px;margin:0 0 8px}.hero p{max-width:760px;opacity:.9}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.stat{position:relative;overflow:hidden}.stat small{color:var(--muted);font-weight:750}.stat h2{margin:8px 0 2px;font-size:30px}.stat .ico{position:absolute;right:18px;top:18px;font-size:30px;opacity:.22}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:var(--primary);color:#fff;padding:10px 14px;border-radius:13px;text-decoration:none;cursor:pointer;font-weight:800;box-shadow:0 10px 22px rgba(15,92,168,.18)}.btn:hover{filter:brightness(.96)}.btn.secondary{background:#667085}.btn.danger{background:var(--danger)}.btn.ok{background:var(--ok)}.btn.warn{background:var(--warn);color:#23190a}.btn.light{background:#eef5fc;color:#0d477f;box-shadow:none}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}label{font-weight:800;font-size:13px;color:#354763}input,select,textarea{width:100%;padding:12px 13px;border:1px solid #cbd8e7;border-radius:13px;margin-top:6px;background:#fff;font:inherit}input:focus,select:focus,textarea:focus{outline:2px solid rgba(27,208,167,.32);border-color:#1bd0a7}textarea{min-height:90px}.table-wrap{width:100%;overflow:auto;border-radius:18px;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;background:#fff;min-width:760px}th,td{padding:13px 14px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:middle}th{background:#f2f7fd;color:#164a7b;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}.badge.ok{background:#e8f8ef;color:#05603a}.badge.warn{background:#fff3df;color:#93370d}.badge.danger{background:#fee4e2;color:#b42318}.badge.info{background:#eaf4ff;color:#155eef}.muted{color:var(--muted)}.alert{padding:13px 15px;border-radius:15px;margin-bottom:15px;font-weight:750}.alert.success{background:#e8f8ef;color:#05603a}.alert.error{background:#fee4e2;color:#b42318}.alert.warning{background:#fff3df;color:#93370d}.quick-row{display:flex;gap:10px;flex-wrap:wrap}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 15%,#cdefff,transparent 32%),linear-gradient(135deg,#082f63,#0f5ca8 58%,#1bd0a7)}.login-card{width:min(440px,100%);background:rgba(255,255,255,.95);border-radius:28px;padding:30px;box-shadow:0 24px 70px rgba(0,0,0,.22)}.login-logo{width:78px;height:78px;margin:auto;border-radius:24px;background:linear-gradient(135deg,#0f5ca8,#1bd0a7);display:grid;place-items:center;color:#fff;font-size:42px;font-weight:950}.login-card h1{text-align:center;margin:16px 0 4px}.login-card p{text-align:center;color:var(--muted);margin-top:0}.empty{padding:20px;text-align:center;color:var(--muted)}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.app-shell{display:block}.sidebar{position:fixed;left:-300px;transition:.22s;width:280px}.sidebar.open{left:0}.logout{position:static;margin-top:18px}.topbar{padding:0 12px}.page-body{padding:14px}.home-link{font-size:13px;padding:9px}.user-pill{display:none}.page-title{display:block}.page-title .actions{margin-top:12px}.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}.card{padding:16px}.hero h1{font-size:28px}table{min-width:680px}.btn{padding:9px 11px}}
@media(max-width:520px){.quick-row .btn,.actions .btn{width:100%}.page-title h1{font-size:25px}.topbar{gap:6px}.icon-btn,.home-link{border-radius:11px}}
/* V4 mejoras de ventas streaming */
.switch-box{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.tips{background:linear-gradient(135deg,#ffffff,#eef8ff)}.topbar .btn{box-shadow:none}.nav-menu a:nth-child(2){background:rgba(27,208,167,.16)}.table-wrap .actions{min-width:420px}.page-title .btn.light{display:none}.btn.light{border:1px solid var(--line)}
@media(max-width:820px){.topbar .btn{padding:9px 10px}.topbar .home-link:nth-of-type(1){display:inline-flex}.switch-box .btn{flex:1}.table-wrap .actions{min-width:240px}.table-wrap .actions .btn{width:auto;font-size:12px}.sidebar{overflow:auto}.brand-box{position:sticky;top:0;background:linear-gradient(180deg,#0f5ca8,#0f5ca8);z-index:2}}
@media(max-width:520px){.topbar .btn{display:none}.topbar .home-link{font-size:12px}.switch-box .btn{width:100%}.table-wrap{border-radius:14px}th,td{padding:11px 10px}.card{border-radius:16px}}

/* V5 mejoras inventario, tickets y móvil */
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.actions .btn{white-space:nowrap}
.tips{background:#f7fbff;border-style:dashed}
.badge.info{background:#e7f0ff;color:#0f5ca8}
.switch-box{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
@media print{
  .sidebar,.topbar,.actions,.switch-box,.btn,.logout{display:none!important}
  .main{width:100%!important}
  .page-body{padding:0!important}
  body{background:#fff!important}
  .card{box-shadow:none!important;border:1px solid #ddd!important}
}
@media(max-width:760px){
  .page-title{align-items:flex-start}
  .page-title .actions{width:100%}
  .actions .btn{flex:1;text-align:center}
  table{font-size:13px}
}