:root{--bg:#f6f7f9;--card:#ffffff;--fg:#14161a;--muted:#6b7280;--border:#e3e6eb;--blue:#1d6ff2;--blue-d:#1557c0;--red:#e5162a;--ink:#111318;--sidebar:#111318;--sidebar-fg:#f3f4f6;--input:#fff;--shadow:0 8px 24px rgba(0,0,0,.07)}.dark{--bg:#0c0d10;--card:#16181d;--fg:#f3f4f6;--muted:#9aa0aa;--border:#262a31;--input:#1c1f26;--shadow:0 8px 24px rgba(0,0,0,.4)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:16px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--input);color:var(--fg);width:100%}label{font-size:13px;font-weight:700;color:var(--muted);display:block;margin:0 0 6px}.btn{background:var(--blue);color:#fff;border:0;border-radius:12px;padding:13px 20px;font-size:16px;font-weight:700;min-height:48px}.btn:hover{background:var(--blue-d)}.btn.red{background:var(--red)}.btn.ghost{background:transparent;color:var(--fg);border:1.5px solid var(--border)}.btn.small{padding:9px 14px;min-height:40px;font-size:14px}.btn:disabled{opacity:.45;cursor:not-allowed}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800;text-transform:capitalize}.badge.borrador{background:#e5e7eb;color:#374151}.badge.enviada{background:#dbeafe;color:#1d4ed8}.badge.aceptada,.badge.pagada{background:#dcfce7;color:#15803d}.badge.parcial{background:#fef3c7;color:#92400e}.badge.vencida{background:#fee2e2;color:#b91c1c}.layout{display:flex;min-height:100vh}.sidebar{width:248px;flex-shrink:0;background:var(--sidebar);color:var(--sidebar-fg);padding:18px 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var(--border);font-size:15px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.rowflex{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.spacer{flex:1}.pw-wrap{position:relative;display:block}.pw-wrap input{padding-right:54px}.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:transparent;border:0;border-radius:10px;font-size:20px;line-height:1;min-width:42px;min-height:42px;padding:8px;color:var(--fg)}.pw-eye:hover{background:var(--bg)}h1{font-size:28px;margin:0 0 4px}h2{font-size:20px;margin:0 0 10px}.muted{color:var(--muted)}.big{font-size:30px;font-weight:800}.topbar{display:none}@media(max-width:760px){.sidebar{display:none}.main{padding:14px 12px 90px}.topbar{display:flex;align-items:center;gap:10px;background:var(--sidebar);color:#fff;padding:10px 14px;position:sticky;top:0;z-index:20}.bottomnav{display:flex!important}h1{font-size:23px}th,td{padding:8px 5px;font-size:13px}}.bottomnav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);z-index:30;padding:6px 2px calc(6px + env(safe-area-inset-bottom))}.bottomnav button{flex:1;background:transparent;border:0;color:var(--fg);font-size:11px;font-weight:700;padding:8px 2px;border-radius:10px}.bottomnav button.active{color:var(--blue)}.prod-card img{width:100%;height:170px;object-fit:cover;border-radius:12px;background:#e8ecf3}.print-doc{background:#fff;color:#111;padding:36px;max-width:820px;margin:0 auto;font-size:14px}.print-doc table th,.print-doc table td{border-bottom:1px solid #ddd;color:#111}.print-recibo{background:#fff;color:#000;width:80mm;margin:10px auto;padding:5mm 3mm 8mm;font-family:Courier 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