:root {
  --bg: #0b0d12;
  --bg-elev: #12151c;
  --panel: #171a22;
  --panel-2: #1c2029;
  --border: #262b36;
  --border-strong: #363c4a;
  --text: #e8eaef;
  --muted: #8a93a6;
  --accent: #ff6b1a;
  --accent-soft: rgba(255, 107, 26, 0.12);
  --accent-ring: rgba(255, 107, 26, 0.35);
  --success: #42d392;
  --success-soft: rgba(66, 211, 146, 0.12);
  --danger: #ff5c7a;
  --cost: #ffb37a;
  --profit: #42d392;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body {
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(255, 107, 26, 0.08), transparent 60%),
    radial-gradient(900px 400px at -10% 10%, rgba(66, 211, 146, 0.04), transparent 60%),
    var(--bg);
}

.wrap { max-width: 1400px; margin: 0 auto; padding: 0 28px; }
.muted { color: var(--muted); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: saturate(140%) blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.header-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); text-decoration: none;
}
.brand-logo {
  height: 32px; width: auto; display: block;
}
.brand-divider {
  width: 1px; height: 28px; background: var(--border-strong);
  display: inline-block;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.brand-text span { color: var(--muted); font-size: 12px; margin-top: 2px; }

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border);
  color: var(--muted); font-size: 12.5px; font-weight: 500;
}
.chip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--success); box-shadow: 0 0 0 4px rgba(66, 211, 146, 0.18);
}

/* Hero */
.hero { padding: 54px 0 28px; }
.hero h1 { margin: 0 0 10px; font-size: 38px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.hero-sub { margin: 0; color: var(--muted); font-size: 16px; max-width: 760px; }

/* Stepper */
.stepper { margin: 14px 0 28px; }
.stepper ol { list-style: none; display: flex; gap: 10px; padding: 0; margin: 0; flex-wrap: wrap; }
.stepper li {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border);
  color: var(--muted); font-size: 13px; font-weight: 500;
}
.stepper li span {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--bg-elev); border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
.stepper li.active { color: var(--text); border-color: var(--accent-ring); background: linear-gradient(180deg, var(--accent-soft), transparent); }
.stepper li.active span { background: var(--accent); color: #0b0d12; border-color: var(--accent); font-weight: 700; }
.stepper li.done span { background: var(--success); color: #0b0d12; border-color: var(--success); }

/* Upload grid */
.uploads {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 1100px) { .uploads { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px)  { .uploads { grid-template-columns: 1fr; } }

.upload-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.upload-head { display: flex; align-items: flex-start; gap: 12px; }
.upload-num {
  font-family: 'JetBrains Mono', monospace; font-weight: 600;
  color: var(--accent); background: var(--accent-soft);
  padding: 4px 8px; border-radius: 6px; font-size: 12px;
}
.upload-head h3 { margin: 0 0 4px; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.upload-head p { margin: 0; color: var(--muted); font-size: 12px; }

.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; cursor: pointer;
  background: var(--bg-elev);
  transition: border-color .15s, background .15s, transform .08s;
  min-height: 140px;
}
.dropzone:hover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); transform: scale(1.01); }
.dropzone.filled { border-style: solid; border-color: var(--border-strong); background: var(--panel-2); cursor: default; }
.dropzone.invalid { border-color: var(--danger); background: rgba(255, 92, 122, 0.08); }
.dropzone.invalid .dz-empty strong { color: var(--danger); }
.dropzone.invalid .dz-empty svg { color: var(--danger); }

.dz-error {
  margin-top: 10px; padding: 10px 12px;
  background: rgba(255, 92, 122, 0.08);
  border: 1px solid rgba(255, 92, 122, 0.3);
  color: #ffb7c2; border-radius: 6px;
  font-size: 12.5px; line-height: 1.4;
}
.dz-error strong { color: var(--danger); font-weight: 600; }
.dz-empty { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--muted); }
.dz-empty strong { color: var(--text); font-weight: 600; font-size: 14px; }
.dz-empty svg { color: var(--accent); }
.dz-filled {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; gap: 12px;
}
.file-meta { display: flex; flex-direction: column; min-width: 0; text-align: left; }
.file-name {
  font-weight: 600; font-size: 13.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 180px;
}
.file-stats { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* Buttons */
.actions {
  display: flex; align-items: center; gap: 12px;
  padding: 18px; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 36px; flex-wrap: wrap;
}
.btn-primary, .btn-ghost {
  font: inherit; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600; font-size: 14px;
  transition: background .15s, border-color .15s, transform .08s, opacity .15s;
}
.btn-primary {
  background: var(--accent); color: #0b0d12;
  box-shadow: 0 4px 16px rgba(255, 107, 26, 0.25);
}
.btn-primary:hover:not(:disabled) { background: #ff7d33; }
.btn-primary:active:not(:disabled) { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.actions-help { margin-left: auto; font-size: 13px; }

/* Results */
.results { padding-bottom: 40px; }
.results-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 18px; flex-wrap: wrap;
}
.results-head h2 { margin: 0 0 4px; font-size: 24px; font-weight: 700; letter-spacing: -0.015em; }
.results-actions { display: flex; gap: 8px; }

.total-card {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding: 22px 26px; margin-bottom: 22px;
  background: linear-gradient(135deg, #1a1d26 0%, #171a22 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.total-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(500px 140px at 90% 50%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.total-metric { position: relative; min-width: 0; }
.total-metric .muted { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; }
.total-amount {
  font-family: 'JetBrains Mono', monospace;
  font-size: 36px; font-weight: 700; color: var(--accent);
  letter-spacing: -0.02em; line-height: 1; margin-top: 6px;
}
.total-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px; font-weight: 600; line-height: 1; margin-top: 6px;
}
.total-sub.profit { color: var(--profit); }
@media (max-width: 820px) { .total-card { grid-template-columns: repeat(2, 1fr); row-gap: 20px; } }

/* Section block: header + table */
.section-block {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  margin-bottom: 16px;
}
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.section-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent);
  padding: 5px 10px; border-radius: 6px;
}

/* Wide tables (scrollable horizontally) */
.table-wrap { overflow-x: auto; max-width: 100%; }
table.wide {
  width: max-content; min-width: 100%;
  border-collapse: collapse; font-size: 13px;
}
table.wide th, table.wide td {
  padding: 9px 14px; text-align: left; white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
table.wide th {
  color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
  background: var(--panel-2); border-right: 1px solid var(--border);
  position: sticky; top: 0;
}
table.wide th.store-header {
  color: var(--text); font-size: 12.5px; text-transform: none; letter-spacing: 0;
  background: var(--bg-elev); border-right: 2px solid var(--accent);
  text-align: center;
}
table.wide td { font-family: 'JetBrains Mono', monospace; }
table.wide td.row-label, table.wide th:first-child {
  font-family: 'Inter', sans-serif; font-weight: 500;
  position: sticky; left: 0;
  background: var(--panel); z-index: 2;
  border-right: 2px solid var(--border-strong);
  min-width: 180px;
}
table.wide tr:hover td.row-label { background: var(--panel-2); }
table.wide td.num { text-align: right; }
table.wide td.cost   { color: var(--cost); }
table.wide td.profit { color: var(--profit); }
table.wide td.total-cell { background: rgba(255, 107, 26, 0.04); font-weight: 600; }

table.wide tr.totals-row td {
  background: var(--bg-elev) !important;
  font-weight: 700; border-top: 2px solid var(--border-strong);
}
table.wide tr.totals-row td.row-label { background: var(--panel-2) !important; }

/* Empty */
.empty { padding: 24px 20px; text-align: center; color: var(--muted); font-size: 13px; }

/* Warnings */
.warnings {
  margin-top: 20px; padding: 14px 18px;
  background: rgba(255, 92, 122, 0.08);
  border: 1px solid rgba(255, 92, 122, 0.3);
  color: #ffb7c2; border-radius: var(--radius-sm);
  font-size: 13px;
}
.warnings strong { color: var(--danger); display: block; margin-bottom: 6px; }
.warnings ul { margin: 0; padding-left: 20px; }
.warnings li { margin: 2px 0; }

/* Wave copy panels */
.wave-block { margin-top: 32px; }
.wave-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; flex-wrap: wrap; gap: 8px;
}
.wave-head h2 { margin: 0; font-size: 20px; font-weight: 700; }
.wave-head p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.wave-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.wave-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.wave-card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: var(--panel-2);
  border-bottom: 1px solid var(--border); gap: 10px; flex-wrap: wrap;
}
.wave-card-title { display: flex; align-items: center; gap: 10px; }
.wave-card-title h3 { margin: 0; font-size: 15px; font-weight: 600; }
.wave-card-title .store-badge {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  background: var(--accent); color: #0b0d12;
  padding: 3px 8px; border-radius: 4px; font-weight: 700;
}
.wave-card-amount {
  font-family: 'JetBrains Mono', monospace; font-weight: 700;
  color: var(--accent); font-size: 16px;
}
.wave-copy-btn {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 6px 12px; border-radius: 6px;
  font: inherit; font-size: 12.5px; font-weight: 600;
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  transition: all .15s;
}
.wave-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.wave-copy-btn.copied { background: var(--success-soft); border-color: var(--success); color: var(--success); }

.wave-card table { width: 100%; border-collapse: collapse; font-size: 13px; }
.wave-card th, .wave-card td {
  padding: 9px 18px; text-align: left; border-bottom: 1px solid var(--border);
}
.wave-card th {
  color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em; background: var(--panel-2);
}
.wave-card td { font-family: 'JetBrains Mono', monospace; }
.wave-card td:first-child { font-family: 'Inter', sans-serif; font-weight: 500; }
.wave-card td.num { text-align: right; }
.wave-card tr:last-child td { border-bottom: none; }
.wave-card tr.subtotal td {
  background: var(--panel-2); font-weight: 700;
  border-top: 2px solid var(--border-strong);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0; margin-top: 60px;
  font-size: 13px; color: var(--muted);
}
.site-footer .wrap { display: flex; align-items: center; justify-content: space-between; }

/* Print — optimized for billing PDF. Wide per-store breakdown tables don't
   fit on paper, so we hide them. The per-client "invoice-ready blocks" are
   what's actually useful on paper, one per page. */
@media print {
  @page { size: letter; margin: 0.5in 0.55in; }

  /* Chrome */
  .site-header, .site-footer, .hero, .stepper, .uploads, .actions,
  .results-actions, .wave-copy-btn { display: none !important; }

  /* Hide the wide on-screen breakdown tables entirely — they're unreadable on paper */
  .section-block { display: none !important; }

  /* Keep: client summary table and every per-carrier Postage block */
  #t-summary { display: block !important; }
  .section-block:has(#t-summary),
  #postageSections .section-block { display: block !important; }

  body { background: white; color: black; font-size: 11pt; }
  .wrap { max-width: 100%; padding: 0; }

  .results-head { margin-bottom: 14px; border-bottom: 2px solid #d14800; padding-bottom: 10px; }
  .results-head h2 { font-size: 22pt; color: #d14800 !important; margin: 0; }
  .results-head p { font-size: 10pt; margin-top: 4px; }

  /* Grand totals row — single line, compact */
  .total-card {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 16px !important;
    padding: 14px 18px !important;
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    page-break-after: avoid;
    margin-bottom: 20px;
  }
  .total-card::before { display: none !important; }
  .total-metric .muted { font-size: 8pt !important; color: #666 !important; }
  .total-amount { font-size: 20pt !important; color: #d14800 !important; }
  .total-sub { font-size: 16pt !important; color: black !important; }
  .total-sub.profit { color: #2a8560 !important; }

  /* Wave (invoice-ready) blocks header */
  .wave-block { page-break-before: always; }
  .wave-head { border-bottom: 2px solid #d14800; padding-bottom: 8px; margin-bottom: 16px; }
  .wave-head h2 { font-size: 18pt; color: #d14800 !important; margin: 0; }
  .wave-head p { display: none; }

  .wave-grid { display: block !important; }

  /* Each client invoice on its own page */
  .wave-card {
    page-break-inside: avoid;
    page-break-after: always;
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    margin-bottom: 0;
  }
  .wave-card:last-child { page-break-after: auto; }

  .wave-card-head { background: #f8f8f8 !important; border-bottom: 1px solid #ccc !important; padding: 12px 16px !important; }
  .wave-card-title h3 { font-size: 14pt !important; color: black !important; }
  .wave-card-title .store-badge { background: #d14800 !important; color: white !important; }
  .wave-card-amount { color: #d14800 !important; font-size: 14pt !important; }

  .wave-card table { font-size: 10pt; }
  .wave-card th, .wave-card td { padding: 6px 16px !important; color: black !important; border-color: #e0e0e0 !important; background: white !important; }
  .wave-card th { background: #f8f8f8 !important; color: #555 !important; font-size: 8.5pt !important; }
  .wave-card tr.subtotal td { background: #f8f8f8 !important; border-top: 2px solid #999 !important; font-size: 11pt !important; }

  /* Client summary table (overview page, before invoices) */
  #t-summary { overflow: visible !important; }
  #t-summary table.wide {
    width: 100% !important;
    min-width: 0 !important;
    font-size: 9pt !important;
  }
  #t-summary table.wide th, #t-summary table.wide td {
    padding: 6px 8px !important;
    background: white !important;
    color: black !important;
    border-color: #ddd !important;
    white-space: normal !important;
  }
  #t-summary table.wide th {
    background: #f4f4f4 !important;
    font-size: 8pt !important;
  }
  #t-summary table.wide td.row-label, #t-summary table.wide th:first-child {
    background: white !important;
    position: static !important;
  }
  #t-summary table.wide td.total-cell { background: #fcf2ea !important; }

  /* Warnings — compact, end of doc */
  .warnings { page-break-inside: avoid; margin-top: 16px; font-size: 8.5pt !important; background: #fff6f7 !important; color: #333 !important; border-color: #f5c5cc !important; }
  .warnings strong { color: #c00020 !important; }
}