:root {
  --plum: #5c1a3a;
  --plum-dark: #3c0f26;
  --plum-soft: #7c2c52;
  --gold: #caa25b;
  --gold-soft: #e4c98a;
  --cream: #fffdf9;
  --paper: #f8f1ea;
  --ink: #241019;
  --ink-soft: #6b5a62;
  --line: #e8ddd2;
  --flag: #a3323d;
  --flag-bg: #fbe9ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Vazirmatn', sans-serif;
  background: var(--paper);
  color: var(--ink);
  direction: rtl;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: var(--plum-dark);
  color: var(--cream);
}

.brand-mark {
  font-weight: 800;
  font-size: 20px;
  color: var(--gold-soft);
}

.brand-sub {
  font-weight: 400;
  font-size: 14px;
  color: #d9c9d1;
  margin-right: 12px;
}

.file-btn {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--gold-soft);
  border-radius: 8px;
  color: var(--gold-soft);
  font-size: 14px;
  cursor: pointer;
}
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ---------- Upload hero ---------- */
.upload-hero {
  display: flex;
  justify-content: center;
  padding-top: 40px;
}
.upload-card {
  max-width: 620px;
  text-align: center;
}
.upload-card h1 {
  font-size: 34px;
  line-height: 1.35;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--plum-dark);
}
.lede {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.alert {
  background: var(--flag-bg);
  color: var(--flag);
  border: 1px solid #eec2c6;
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: right;
}
.dropzone-form { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.dropzone {
  position: relative;
  width: 100%;
  border: 2px dashed var(--gold);
  border-radius: 16px;
  background: var(--cream);
  padding: 44px 24px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.dropzone.dz-active { background: #fff7ea; border-color: var(--plum); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dz-icon { font-size: 30px; color: var(--gold); }
.dz-text { font-weight: 600; font-size: 16px; color: var(--plum-dark); }
.dz-sub { font-size: 13px; color: var(--ink-soft); }
.submit-btn {
  background: var(--plum);
  color: var(--cream);
  border: none;
  border-radius: 10px;
  padding: 13px 40px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.submit-btn:hover { background: var(--plum-dark); }

/* ---------- Dashboard ---------- */
.file-tag {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--cream);
  border-radius: 14px;
  padding: 22px 20px;
  border-top: 3px solid var(--gold);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.kpi-card.kpi-profit { border-top-color: var(--plum); }
.kpi-label { font-size: 13px; color: var(--ink-soft); }
.kpi-value { font-size: 24px; font-weight: 800; color: var(--plum-dark); }

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.chart-card {
  background: var(--cream);
  border-radius: 14px;
  padding: 24px;
}
.chart-card-wide { grid-column: 1 / -1; }
.chart-card h2 { margin: 0 0 4px; font-size: 16px; color: var(--plum-dark); }
.chart-note { font-size: 12.5px; color: var(--ink-soft); margin: 0 0 16px; }
.chart-card canvas { max-height: 280px; }
.chart-card-wide canvas { max-height: 340px; }

.abc-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
  font-size: 13.5px;
}
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-left: 8px; }
.dot-a { background: var(--plum); }
.dot-b { background: var(--gold); }
.dot-c { background: #c9c0c4; }

.tables-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.table-card {
  background: var(--cream);
  border-radius: 14px;
  padding: 24px;
  overflow-x: auto;
}
.table-card-full { grid-column: 1 / -1; }
.table-card h2 { margin: 0 0 4px; font-size: 16px; color: var(--plum-dark); }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 12px; }
th, td { padding: 9px 6px; text-align: right; border-bottom: 1px solid var(--line); }
th { color: var(--ink-soft); font-weight: 600; font-size: 12.5px; }
td.flag { color: var(--flag); font-weight: 700; }
td.empty { text-align: center; color: var(--ink-soft); padding: 20px 0; }

.note-card {
  background: var(--plum-dark);
  color: var(--cream);
  border-radius: 14px;
  padding: 20px 24px;
  font-size: 14.5px;
  line-height: 1.8;
}
.note-card strong { color: var(--gold-soft); }

@media (max-width: 860px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .chart-grid, .tables-grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; gap: 12px; padding: 16px 20px; }
}