:root {
  --ink: #18212f;
  --muted: #667085;
  --line: #d8dee8;
  --soft: #f4f7fb;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --warn: #b45309;
  --bad: #b42318;
  --good: #087443;
  --shadow: 0 18px 45px rgba(24, 33, 47, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--ink);
  background: #fbfcfe;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 36px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
  font-size: 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #344054;
}

.nav a {
  text-decoration: none;
  font-size: 14px;
}

button, .button {
  border: 0;
  border-radius: 8px;
  padding: 11px 16px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:hover, .button:hover { background: var(--accent-dark); }
button:disabled { opacity: .55; cursor: not-allowed; }

.ghost {
  background: #e6f4f1;
  color: var(--accent-dark);
}

.ghost:hover { background: #cdeae4; }

.danger { background: var(--bad); }
.danger:hover { background: #8f1d14; }
.small { padding: 8px 10px; font-size: 13px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 42px;
  align-items: center;
  padding: 58px 36px 36px;
  max-width: 1180px;
  margin: 0 auto;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 680px;
}

.upload-panel, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.upload-panel {
  padding: 24px;
}

.dropzone {
  border: 2px dashed #9bb7c8;
  border-radius: 8px;
  background: #f7fbfd;
  min-height: 190px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.dropzone.dragover {
  border-color: var(--accent);
  background: #eafaf6;
}

.password-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.file-picker {
  border: 1px dashed #9bb7c8;
  border-radius: 8px;
  padding: 12px;
  background: #f7fbfd;
}

.file-picker input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.logo-preview {
  height: 48px;
  max-width: 160px;
  object-fit: contain;
  display: block;
  margin-bottom: 8px;
}

tr.highlight {
  background: #fff7ed;
}

.dropzone strong {
  display: block;
  margin-bottom: 8px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 36px;
}

.section h2, .panel h2, .panel h3 {
  margin-top: 0;
  letter-spacing: 0;
}

.rule-grid, .company-grid, .dashboard-grid, .cards {
  display: grid;
  gap: 16px;
}

.rule-grid {
  grid-template-columns: repeat(4, 1fr);
}

.company-grid {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 18px;
}

.card p { color: var(--muted); line-height: 1.5; }

.panel {
  padding: 22px;
  margin-bottom: 18px;
}

.dashboard {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 36px;
}

.dashboard-grid {
  grid-template-columns: 260px 1fr;
  align-items: start;
}

.side {
  border-right: 1px solid var(--line);
  padding-right: 16px;
}

.side button {
  width: 100%;
  justify-content: flex-start;
  margin-bottom: 8px;
  background: transparent;
  color: var(--ink);
}

.side button.active, .side button:hover {
  background: #eaf2f4;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  font: inherit;
  color: var(--ink);
  background: white;
}

textarea { min-height: 112px; resize: vertical; }

.full { grid-column: 1 / -1; }
.muted { color: var(--muted); }
.status { border-radius: 999px; padding: 5px 9px; display: inline-flex; font-size: 12px; font-weight: 800; }
.pending { background: #fff7ed; color: var(--warn); }
.approved { background: #ecfdf3; color: var(--good); }
.rejected, .blocked { background: #fef3f2; color: var(--bad); }
.active { background: #ecfdf3; color: var(--good); }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th, .table td {
  border-bottom: 1px solid var(--line);
  padding: 11px 9px;
  text-align: left;
  vertical-align: top;
}

.table th { color: #475467; background: var(--soft); }

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.builder-toolbar {
  display: grid;
  grid-template-columns: 1.2fr .8fr 1fr .8fr auto;
  gap: 12px;
  align-items: end;
  margin: 16px 0;
}

.seller-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 4px;
  background: #fbfcfd;
  margin: 14px 0;
}

.builder-table {
  min-width: 1120px;
}

.builder-table textarea {
  min-height: 58px;
  margin-top: 6px;
}

.builder-table input,
.builder-table select,
.builder-table textarea {
  padding: 8px;
}

.builder-table .rowName {
  min-width: 220px;
}

.builder-table .rowQty,
.builder-table .rowPrice,
.builder-table .rowDiscount,
.builder-table .rowVatAmount,
.builder-table .rowTotal {
  min-width: 82px;
}

.rowImagePreview {
  max-width: 180px;
  max-height: 96px;
  object-fit: contain;
  display: block;
  margin: 8px 0;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.commercial-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: start;
}

.totals-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfd;
}

.totals-box div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
}

.dropzone.drag {
  border-color: var(--accent);
  background: #effaf7;
}

.message {
  border-left: 4px solid var(--accent);
  padding: 10px 12px;
  background: #f1f9f7;
  margin-bottom: 10px;
}

.offer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.modal {
  width: min(720px, calc(100vw - 32px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}

.modal::backdrop { background: rgba(16, 24, 40, .45); }

.modal-card {
  padding: 22px;
}

.close {
  float: right;
  background: transparent;
  color: var(--ink);
  font-size: 26px;
  padding: 0 6px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tab {
  background: #edf2f7;
  color: var(--ink);
}

.tab.active {
  background: var(--accent);
  color: white;
}

.footer {
  margin-top: 40px;
  background: #101828;
  color: #f2f4f7;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 34px 36px;
}

.footer p {
  color: #cbd5e1;
  line-height: 1.5;
}

.toast-host {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: grid;
  gap: 10px;
}

.toast {
  max-width: 360px;
  background: #101828;
  color: white;
  padding: 13px 15px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .topbar { padding: 14px 18px; align-items: flex-start; gap: 14px; }
  .nav { flex-wrap: wrap; justify-content: flex-end; }
  .hero, .dashboard-grid, .form-grid {
    grid-template-columns: 1fr;
  }
  .builder-toolbar, .commercial-footer {
    grid-template-columns: 1fr;
  }
  .rule-grid, .company-grid, .footer {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .topbar { display: grid; }
  .nav { justify-content: flex-start; }
  .hero, .section, .dashboard { padding-left: 18px; padding-right: 18px; }
  .rule-grid, .company-grid, .footer {
    grid-template-columns: 1fr;
  }
  .offer { grid-template-columns: 1fr; }
}