:root{--bg:#e9ecef;--panel:#ffffff;--text:#212529;--muted:#6c757d;--brand:#9B2226;--brand-2:#800F12;--ok:#28a745;--warn:#ffc107;--error:#dc3545;--prog:#495057;--border:rgba(0,0,0,0.1);--border-light:rgba(0,0,0,0.05);--focus-ring:0 0 0 4px rgba(155,34,38,.25);--shadow-sm:0 4px 12px rgba(0,0,0,.05);--shadow-md:0 10px 30px rgba(0,0,0,.07);--shadow-lg:0 22px 50px rgba(0,0,0,.1);--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--sidebar-width:270px;--sidebar-width-collapsed:88px;--transition:180ms cubic-bezier(.3,.9,.3,1);--font-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box}html{height:100%}body{margin:0;font-family:var(--font-sans);font-size:14px;color:var(--text);background-color:var(--bg);background-attachment:fixed;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100%}#login-screen{position:relative;display:grid;place-items:center;width:100%;height:100vh;overflow:hidden;background:var(--bg)}#particles-js{position:absolute;width:100%;height:100%;top:0;left:0;z-index:1}#login-card{position:relative;z-index:2;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:400px;text-align:center;animation:cardIn .5s cubic-bezier(.16,.84,.31,1.02)}@keyframes cardIn{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}#login-card .brand{display:flex;flex-direction:column;gap:12px;align-items:center;margin-bottom:24px}#login-card .logo{width:120px;height:120px;background:url(https://i.ibb.co/qLX15LPQ/Copia-de-On-Box-logo-1.png) center/contain no-repeat;border-radius:20px}#login-card h1{color:var(--text);margin:0;font-size:24px;font-weight:700}#login-card p{margin:0;color:var(--muted);font-size:14px;font-weight:500}#login-form{display:flex;flex-direction:column;gap:16px;text-align:left}#login-form label{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}#login-form input{width:100%;background:#fff;color:var(--text);border:1px solid #ced4da;border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;transition:all var(--transition)}#login-form input:focus{outline:0;border-color:var(--brand);box-shadow:var(--focus-ring)}#login-btn{margin-top:8px;width:100%;padding:12px;font-size:15px;background:var(--brand);box-shadow:0 6px 18px -6px rgba(155,34,38,.5)}#login-btn:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 8px 22px -6px rgba(155,34,38,.5)}.layout{display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh;transition:grid-template-columns .3s ease-in-out}.layout.sidebar-collapsed{grid-template-columns:var(--sidebar-width-collapsed) 1fr}.main{display:flex;flex-direction:column;background:transparent}.content{padding:16px;flex-grow:1;overflow-y:auto}.sidebar{background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px;gap:8px;overflow-x:hidden;overflow-y:auto;position:sticky;top:0;height:100vh;-ms-overflow-style:none;scrollbar-width:none}.sidebar::-webkit-scrollbar{display:none}.sidebar .brand{display:flex;gap:16px;align-items:center;padding:8px;margin-bottom:8px}.sidebar .logo{width:50px;height:50px;border-radius:var(--radius-md);flex-shrink:0;background:url(https://i.ibb.co/qLX15LPQ/Copia-de-On-Box-logo-1.png) center/contain no-repeat}.brand-text{opacity:1;transition:opacity .2s;white-space:nowrap}.layout.sidebar-collapsed .brand-text{opacity:0;width:0;pointer-events:none}.brand-text h1{margin:0;font-size:18px;color:var(--text)}.brand-text p{margin:0;font-size:12px;color:var(--muted)}.nav{display:flex;flex-direction:column;gap:6px}.nav-group{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin:8px 6px 4px;white-space:nowrap;transition:all .2s ease-in-out}.layout.sidebar-collapsed .nav-group-text{opacity:0}.layout.sidebar-collapsed .nav-group::after{content:"•";display:block;text-align:center;font-size:14px;color:#adb5bd}.nav-sep{height:1px;background:var(--border);margin:6px 0}a.nav-item, button.nav-item{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-md);cursor:pointer;position:relative;color:var(--prog);transition:all var(--transition)}.layout.sidebar-collapsed a.nav-item, .layout.sidebar-collapsed button.nav-item{justify-content:center}.nav-text{opacity:1;transition:opacity .2s ease-in-out;white-space:nowrap}.layout.sidebar-collapsed .nav-text{opacity:0;width:0;pointer-events:none}a.nav-item:hover, button.nav-item:hover{background:rgba(155,34,38,0.05);color:var(--brand);transform:translateX(5px)}a.nav-item.active, button.nav-item.active{background:rgba(155,34,38,.08);color:var(--brand);font-weight:700}a.nav-item.active::before, button.nav-item.active::before{content:"";position:absolute;left:-14px;top:8px;bottom:8px;width:4px;background:var(--brand);border-radius:0 4px 4px 0}.layout.sidebar-collapsed a.nav-item.active::before, .layout.sidebar-collapsed button.nav-item.active::before{left:0}.nav-ico{width:24px;text-align:center;font-size:18px;flex-shrink:0}.sidebar-footer{margin-top:auto;padding-top:10px;display:flex;flex-direction:column;gap:8px;color:var(--muted);text-align:center}#logout-btn .nav-text{display:inline-block}.layout.sidebar-collapsed #logout-btn .nav-text{display:none}#logout-btn .nav-ico{display:none}.layout.sidebar-collapsed #logout-btn .nav-ico{display:inline-block}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,0.8);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:10px 16px;flex-shrink:0}.left,.right{display:flex;align-items:center;gap:12px}.icon-btn{all:unset;cursor:pointer;font-size:18px;padding:6px 8px;border-radius:var(--radius-sm);transition:background var(--transition);color:var(--muted)}.icon-btn:hover{background:var(--border);color:var(--text)}.filter-group{display:flex;align-items:center;gap:8px}.filter-group label{font-size:12px;color:var(--muted);font-weight:600}.filter-group input,.filter-group select{background:#fff;color:var(--text);border:1px solid #ced4da;border-radius:var(--radius-sm);padding:6px 10px;font-size:13px}#loading-indicator{color:var(--muted);font-size:12px}.user{display:flex;align-items:center;gap:8px}.section{display:none;margin-bottom:16px;flex-shrink:0}.section.show{display:block}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:20px}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;border-bottom:1px solid var(--border);padding-bottom:12px}.card h3{margin:0;font-weight:700;font-size:18px}.hidden{display:none!important}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius-md)}.table{width:100%;border-collapse:separate;border-spacing:0;background:transparent;font-size:13px}.table thead th{position:sticky;top:0;background:rgba(248,249,250,0.8);backdrop-filter:blur(3px);font-weight:700;text-align:left;padding:12px 14px;border-bottom:2px solid var(--border);color:var(--brand);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table tbody td{padding:12px 14px;border-bottom:1px solid var(--border-light);transition:background-color var(--transition)}.table tbody tr:hover td{background-color:#f8f9fa}.table .num{text-align:right}.btn{all:unset;box-sizing:border-box;cursor:pointer;background:linear-gradient(180deg,var(--brand),var(--brand-2));color:#fff;padding:8px 14px;border-radius:var(--radius-md);font-weight:700;text-align:center;transition:all var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 12px -3px rgba(155,34,38,.4)}.btn:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 7px 15px -4px rgba(155,34,38,.4)}.btn:active{transform:translateY(0);filter:brightness(1)}.btn.small{padding:6px 10px;font-size:12px;border-radius:var(--radius-sm)}.btn.ghost{background:0 0;color:var(--text);border:1px solid var(--border);box-shadow:none}.btn.ghost:hover{background:var(--border-light);border-color:#ced4da}.btn.success{background:var(--ok);box-shadow:none}.badge{padding:4px 8px;font-size:11px;font-weight:700;border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.04em;background:var(--warn);color:var(--text);border:1px solid rgba(0,0,0,.08)}.badge.ok{background:var(--ok);color:#fff}.badge.error{background:var(--error);color:#fff}.modal{position:fixed;inset:0;display:grid;place-items:center;z-index:100}.modal.hidden{display:none}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.3);backdrop-filter:blur(4px)}.modal-card{position:relative;width:min(900px,92vw);max-height:85vh;display:flex;flex-direction:column;background:var(--panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.modal-head{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.modal-body{padding:20px;overflow-y:auto}.modal-actions{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;align-items:center;gap:10px;flex-shrink:0}.modal-actions .sep{flex-grow:1}.invoice-preview{font-family:var(--font-sans);font-size:13px}.invoice-header{border:1px solid var(--border);padding:15px;border-radius:var(--radius-md);margin-bottom:20px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.invoice-totals{margin-top:20px;padding-top:15px;border-top:2px solid var(--text);display:flex;flex-direction:column;align-items:flex-end;gap:8px}.invoice-totals div{width:320px;display:flex;justify-content:space-between}.invoice-totals .grand-total{font-size:16px;font-weight:700;margin-top:10px;border-top:1px solid #999;padding-top:10px}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(50px);opacity:0;transition:all .3s cubic-bezier(.3,.9,.3,1);background:var(--error);color:#fff;padding:12px 18px;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);pointer-events:none;z-index:101}.toast.show{opacity:1;transform:translateX(-50%)}