:root{
  --bg:#f4f5f7;
  --panel:#ffffff;
  --ink:#121212;
  --muted:#6b7280;
  --line:#e5e7eb;
  --primary:#d90429;
  --primary-dark:#a6031f;
  --primary-soft:#fdecef;
  --dark:#1f1f1f;
  --dark-soft:#2f2f2f;
  --ok-bg:#ecfdf5;
  --ok-ink:#047857;
  --warn-bg:#fff4e5;
  --warn-ink:#c2410c;
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#2a2a2a 0,#1e1e1e 210px,var(--bg) 210px);color:var(--ink);font:14px/1.5 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px clamp(18px,4vw,54px);background:transparent;color:#fff}
.brand{font-size:22px;font-weight:900;letter-spacing:.08em}.brand span{color:var(--primary)}.topbar p{margin:4px 0 0;color:#d1d5db}.top-actions{display:flex;align-items:center;gap:10px}
.layout{display:grid;grid-template-columns:minmax(340px,.92fr) minmax(420px,1.08fr);gap:22px;padding:10px clamp(18px,4vw,54px) 22px}
.panel{background:var(--panel);border:1px solid rgba(255,255,255,.25);border-radius:22px;box-shadow:0 14px 34px rgba(15,23,42,.08)}
.form-panel,.preview-panel{padding:26px}.section-title,.history-head,.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}
small{font-size:11px;font-weight:900;letter-spacing:.14em;color:#64748b}h1,h2{margin:3px 0 0;line-height:1.1;color:#0f172a}
.receipt-number{font-weight:900;background:var(--primary-soft);color:var(--primary-dark);border:1px solid #f7c8d0;padding:8px 11px;border-radius:999px}
.grid{display:grid;gap:14px}.grid.two{grid-template-columns:1fr 1fr}
label{display:grid;gap:7px;margin-bottom:14px;font-weight:700;font-size:12px;color:#374151}
input,textarea{width:100%;border:1px solid #d6d9df;border-radius:12px;padding:11px 12px;font:inherit;color:#111827;background:#fff;outline:none;transition:.2s ease}
input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(217,4,41,.12)}textarea{resize:vertical}
.actions,.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
.btn{border:1px solid transparent;border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer;background:#fff;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}
.btn.secondary{background:var(--dark);color:#fff;border-color:var(--dark)}
.btn.ghost{background:#fff;color:var(--dark);border-color:#d1d5db}
.topbar .btn.ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.btn.danger{color:#b91c1c;background:#fef2f2;border-color:#fecaca}
.badge{font-size:12px;font-weight:900;padding:8px 11px;border-radius:999px;background:#444;color:#fff}.badge.ok{background:#083f31;color:#d1fae5}.badge.pending{background:#4c2c2c;color:#ffe0e5}
.receipt-paper{position:relative;overflow:hidden;min-height:650px;background:#fff;border:1px solid #e7e7e7;border-radius:18px;padding:48px;box-shadow:0 12px 30px rgba(15,23,42,.06)}
.receipt-watermark{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:62%;max-width:380px;opacity:.055;pointer-events:none;filter:grayscale(100%);z-index:0}
.receipt-content{position:relative;z-index:1}
.receipt-logo{display:block;max-width:160px;max-height:70px;width:auto;height:auto;object-fit:contain;margin-bottom:22px}
.receipt-company{font-weight:900;font-size:21px}.receipt-meta{color:var(--muted);margin-top:4px}
.receipt-title{margin:42px 0 16px;font-size:13px;font-weight:900;letter-spacing:.18em;color:#3f3f46}.receipt-value{font-size:36px;font-weight:900;margin:0 0 30px;color:var(--dark)}
.receipt-text{font-size:16px;line-height:1.8}.receipt-desc{margin:20px 0;padding:18px;background:#faf7f8;border-left:5px solid var(--primary);border-radius:0 12px 12px 0}.receipt-date{text-align:right;margin:38px 0;color:#111827}
.signature{margin-top:68px;width:280px;border-top:1.6px solid #333;padding-top:8px}.signature img{display:block;max-width:180px;max-height:70px;width:auto;height:auto;margin:-75px 0 5px}.signature strong{display:block}
.history-panel{margin:0 clamp(18px,4vw,54px) 48px;padding:22px}.history-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.history-actions input{width:220px;margin:0}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 12px;border-top:1px solid var(--line);white-space:nowrap}th{font-size:11px;letter-spacing:.08em;color:#64748b}
.status{font-size:11px;font-weight:900;padding:6px 10px;border-radius:999px}.status.synced{background:var(--ok-bg);color:var(--ok-ink)}.status.pending{background:var(--warn-bg);color:var(--warn-ink)}
.row-actions{display:flex;gap:6px}.row-actions button{padding:6px 10px;font-size:11px}
.file-btn input{display:none}
dialog{border:0;padding:0;background:transparent;width:min(760px,calc(100% - 30px))}dialog::backdrop{background:rgba(15,23,42,.72)}
.settings-card{background:#fff;border-radius:22px;padding:24px}.icon-btn{border:0;background:transparent;font-size:28px;cursor:pointer}.help{font-weight:400;color:#64748b}
.toast{position:fixed;right:20px;bottom:20px;background:#161616;color:#fff;padding:12px 15px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.22);z-index:99}.toast.error{background:#991b1b}.empty{padding:26px;text-align:center;color:#64748b}
@media(max-width:920px){.layout{grid-template-columns:1fr}.receipt-paper{min-height:0}.topbar{align-items:flex-start;flex-direction:column}.top-actions{width:100%;justify-content:space-between}.grid.two{grid-template-columns:1fr}.history-head{flex-direction:column}.history-actions{justify-content:flex-start}.history-actions input{width:100%}}
@media(max-width:560px){.form-panel,.preview-panel,.history-panel{padding:16px}.receipt-paper{padding:26px 22px}.receipt-value{font-size:28px}.actions,.dialog-actions{flex-direction:column}.actions .btn,.dialog-actions .btn{width:100%}.receipt-watermark{width:78%}}

/* Tema automático derivado da logomarca */
.history-panel{border-top:4px solid var(--primary)}
.form-panel{border-top:4px solid var(--primary)}
.preview-panel{border-top:4px solid var(--primary)}
.row-actions .btn:hover,.history-actions .btn:hover{border-color:var(--primary);color:var(--primary-dark)}
.receipt-title{color:var(--primary-dark)}
::selection{background:var(--primary-soft);color:var(--primary-dark)}
/* v4: paleta automática da logomarca */
.topbar{background:var(--dark)}
.brand span{color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary)}
.btn.secondary{background:var(--dark);border-color:var(--dark)}
.receipt-number{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary)}
.receipt-desc{border-left-color:var(--primary);background:var(--primary-soft)}
.receipt-title{color:var(--primary-dark)}
.form-panel,.preview-panel,.history-panel{border-top-color:var(--primary)}