:root {
  --bg: #090d16;
  --surface: #111827;
  --border: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --accent: #f59e0b; 
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

.page { width: 100%; max-width: 750px; display: flex; flex-direction: column; gap: 1.5rem; }
.toolbar { display: flex; align-items: center; justify-content: space-between; }
.toolbar h1 { font-size: 1.3rem; margin: 0; font-weight: 600; }

button {
  font-family: inherit; font-weight: 600; padding: 0.6rem 1.2rem; cursor: pointer;
  border-radius: 8px; background-color: var(--accent); color: #000; border: none;
}

.invoice {
  background-color: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem; display: flex; flex-direction: column; gap: 2rem;
}

.brand-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem; }
.logo-area { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.brand-input {
  font-weight: 800; font-size: 1.3rem; color: var(--accent); letter-spacing: -0.025em;
  background-color: transparent; border: 1px dashed var(--border); padding: 0.4rem; border-radius: 6px;
}
.brand-input:focus { border-color: var(--accent); }

.print-only { display: none; }

.company-logo {
  max-height: 60px;
  max-width: 200px;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 0.25rem;
}

.logo-controls { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.25rem; }

.logo-upload-btn {
  display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer;
  font-size: 0.8rem; font-weight: 600; padding: 0.45rem 0.8rem; border-radius: 6px;
  border: 1px dashed var(--border); color: var(--text-secondary);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.logo-upload-btn:hover { border-color: var(--accent); color: var(--text-primary); }

.logo-remove-btn {
  background-color: transparent; border: 1px solid #f87171; color: #f87171;
  padding: 0.35rem 0.6rem; font-size: 0.75rem; border-radius: 6px;
}

.quote-meta { display: flex; flex-direction: column; gap: 0.4rem; align-items: flex-end; }
.quote-meta h2 { margin: 0 0 0.25rem 0; font-size: 1.4rem; letter-spacing: 0.05em; color: var(--text-secondary); }
.meta-field { display: flex; align-items: center; gap: 0.5rem; justify-content: flex-end; }
.meta-field label { font-size: 0.75rem; color: var(--text-secondary); }

.invoice-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.party { display: flex; flex-direction: column; gap: 0.4rem; }

.calculator-controls {
  background-color: rgba(255, 255, 255, 0.02); border: 1px dashed var(--border);
  border-radius: 8px; padding: 1.25rem; display: flex; flex-direction: column; gap: 0.75rem;
}
.calculator-controls h3 { margin: 0; font-size: 0.9rem; color: var(--accent); text-transform: uppercase; }
.control-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }

input, select {
  background-color: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.5rem 0.7rem; font-size: 0.95rem; color: var(--text-primary); outline: none; width: 100%;
}
.quote-meta input { max-width: 130px; text-align: right; }
.quote-meta input[type="date"] { max-width: 160px; }

.items-table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
.items-table th { text-align: left; font-size: 0.8rem; color: var(--text-secondary); padding: 0.6rem; border-bottom: 2px solid var(--border); }
.items-table td { padding: 0.75rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
.text-right { text-align: right !important; }
.amount-cell { font-weight: 600; }

.invoice-summary { align-self: flex-end; width: 100%; max-width: 300px; display: flex; flex-direction: column; gap: 0.75rem; }
.summary-row { display: flex; justify-content: space-between; font-size: 0.9rem; color: var(--text-secondary); }
.total-row { border-top: 1px solid var(--border); padding-top: 0.75rem; font-size: 1.25rem; font-weight: 700; color: var(--accent); }

.divider { border: 0; height: 1px; background-color: var(--border); margin: 0; }
.legal-disclaimer { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 600px) {
  .invoice-parties, .control-grid { grid-template-columns: 1fr; }
  .brand-header { flex-direction: column; align-items: flex-start; }
  .quote-meta { align-items: flex-start; margin-top: 1rem; }
}

/* Print Engine Overrides */
@media print {
  body { background-color: #fff; color: #000; padding: 0; display: block; }
  .no-print, .calculator-controls { display: none !important; }
  .brand-input { display: none !important; }
  .print-only { display: block !important; font-weight: 800; font-size: 1.5rem; color: #000; letter-spacing: -0.025em; }
  .invoice { background-color: #fff; border: none; padding: 0; color: #000; }
  input { border: none; background: transparent; color: #000; padding: 0; text-align: left; }
  .quote-meta input { text-align: right; }
  .items-table th { color: #000; border-bottom: 2px solid #000; }
  .items-table td { border-bottom: 1px solid #ddd; color: #000; }
  .total-row { color: #000; border-top: 2px solid #000; }
  .legal-disclaimer { color: #444; }
}