/* FBR Tax Calculator v4.0.0 | einvoicing.pk */

:root {
  --c-primary:   #007a6c;
  --c-dark:      #012f34;
  --c-black:     #000000;
  --c-primary-l: #e6f4f2;
  --c-primary-m: #b3ddd9;
  --c-primary-d: #005a4f;
  --c-accent:    #00c4b0;
  --c-white:     #ffffff;
  --c-gray-50:   #f7f9f9;
  --c-gray-100:  #edf1f1;
  --c-gray-200:  #d5dedc;
  --c-gray-400:  #8aa09e;
  --c-gray-600:  #4d6966;
  --c-gray-800:  #1e3432;
  --c-success:   #27500a;
  --c-warn-bg:   #fff8e6;
  --c-warn-br:   #f0a500;
  --c-warn-tx:   #7a4f00;
  --c-danger:    #a32d2d;
  --radius-md:   10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(1,47,52,.08);
}

.fbr-root *, .fbr-root *::before, .fbr-root *::after { box-sizing: border-box; margin: 0; padding: 0; }

.fbr-root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  color: var(--c-dark);
  max-width: 780px;
  margin: 0 auto;
  padding: 0 0 2rem;
  line-height: 1.6;
}

/* ── Hero ── */
.fbr-hero {
  background: linear-gradient(135deg, var(--c-dark) 0%, #01484f 100%);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.75rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}
.fbr-hero::after {
  content: '';
  position: absolute;
  right: -40px; top: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(0,196,176,.12);
  pointer-events: none;
}
.fbr-hero-eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--c-accent); margin-bottom: 8px;
}
.fbr-hero-title {
  font-size: clamp(22px, 4vw, 30px); font-weight: 700;
  color: var(--c-white); margin-bottom: 6px; line-height: 1.2;
}
.fbr-hero-sub { font-size: 13px; color: rgba(255,255,255,.6); }

/* ── Card ── */
.fbr-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

/* ── Step label ── */
.fbr-step-label {
  font-size: 13px; font-weight: 600; color: var(--c-gray-600);
  margin-bottom: 1rem; display: flex; align-items: center; gap: 10px;
}
.fbr-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--c-primary); color: var(--c-white);
  font-size: 12px; font-weight: 700; flex-shrink: 0;
}

/* ── Type grid ── */
.fbr-type-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.fbr-type-btn {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 1rem .75rem;
  border: 2px solid var(--c-gray-200); border-radius: var(--radius-md);
  background: var(--c-gray-50); cursor: pointer; transition: all .18s; text-align: center;
}
.fbr-type-btn:hover { border-color: var(--c-primary); background: var(--c-primary-l); }
.fbr-type-btn.fbr-type-active {
  border-color: var(--c-primary); background: var(--c-primary-l);
  box-shadow: 0 0 0 3px rgba(0,122,108,.15);
}
.fbr-type-icon { font-size: 24px; line-height: 1; }
.fbr-type-name { font-size: 14px; font-weight: 600; color: var(--c-dark); }
.fbr-type-desc { font-size: 11px; color: var(--c-gray-400); }

/* ── Year grid ── */
.fbr-yr-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 10px; }
.fbr-yr-btn {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 12px 14px;
  border: 2px solid var(--c-gray-200); border-radius: var(--radius-md);
  background: var(--c-gray-50); cursor: pointer; position: relative;
  transition: all .18s; text-align: left;
}
.fbr-yr-btn:hover { border-color: var(--c-primary); background: var(--c-primary-l); }
.fbr-yr-btn.fbr-yr-active {
  border-color: var(--c-primary); background: var(--c-primary-l);
  box-shadow: 0 0 0 3px rgba(0,122,108,.15);
}
.fbr-yr-fy  { font-size: 13px; font-weight: 700; color: var(--c-dark); }
.fbr-yr-ty  { font-size: 11px; color: var(--c-gray-400); margin-top: 2px; }
.fbr-yr-badge {
  position: absolute; top: -9px; right: 10px;
  background: var(--c-primary); color: var(--c-white);
  font-size: 10px; font-weight: 700; padding: 2px 8px;
  border-radius: 20px; letter-spacing: .3px;
}
.fbr-yr-note { font-size: 12px; color: var(--c-gray-400); min-height: 16px; padding-top: 2px; }

/* ── Amount input ── */
.fbr-amount-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.fbr-amount-wrap {
  flex: 1; min-width: 200px;
  display: flex; align-items: center;
  border: 2px solid var(--c-gray-200); border-radius: var(--radius-md);
  background: var(--c-gray-50); transition: border-color .18s, box-shadow .18s; overflow: hidden;
}
.fbr-amount-wrap:focus-within {
  border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(0,122,108,.15);
  background: var(--c-white);
}
.fbr-pkr-prefix {
  padding: 0 12px; font-size: 13px; font-weight: 700; color: var(--c-primary);
  border-right: 1px solid var(--c-gray-200); white-space: nowrap;
  height: 48px; display: flex; align-items: center; background: var(--c-primary-l);
}
.fbr-amount-input {
  flex: 1; height: 48px; padding: 0 14px;
  font-size: 20px; font-weight: 600; color: var(--c-dark);
  border: none; outline: none; background: transparent; min-width: 0;
  font-variant-numeric: tabular-nums; letter-spacing: .5px;
}
.fbr-amount-input::placeholder { color: var(--c-gray-200); font-weight: 400; font-size: 16px; }
.fbr-mode-wrap {
  display: flex; border: 2px solid var(--c-gray-200);
  border-radius: var(--radius-md); overflow: hidden; background: var(--c-gray-50);
}
.fbr-mode-btn {
  padding: 0 18px; height: 48px; font-size: 13px; font-weight: 600;
  color: var(--c-gray-400); background: transparent; border: none;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.fbr-mode-btn.fbr-mode-active { background: var(--c-primary); color: var(--c-white); }
.fbr-amount-hint { font-size: 12px; color: var(--c-gray-400); margin-top: 8px; min-height: 16px; }

/* ── Calculate button ── */
.fbr-calc-btn {
  width: 100%; height: 56px;
  background: var(--c-primary); color: var(--c-white);
  border: none; border-radius: var(--radius-md);
  font-size: 17px; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  gap: 10px; margin-bottom: 1.5rem;
  transition: background .18s, transform .12s; letter-spacing: .3px;
}
.fbr-calc-btn:hover  { background: var(--c-primary-d); }
.fbr-calc-btn:active { transform: scale(.98); }
.fbr-btn-arrow { font-size: 20px; }

/* ── Section title ── */
.fbr-section-title {
  font-size: 13px; font-weight: 700; color: var(--c-gray-600);
  text-transform: uppercase; letter-spacing: .5px;
  margin: 1.4rem 0 .75rem;
}

/* ================================================================
   SUMMARY TABLES (Monthly + Annual side by side)
================================================================ */
.fbr-tables-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1.4rem;
}
.fbr-table-wrap-half {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.fbr-sum-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.fbr-sum-tbl thead tr th {
  background: var(--c-dark);
  color: var(--c-white);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  letter-spacing: .3px;
}
.fbr-sum-tbl tbody tr {
  border-bottom: 1px solid var(--c-gray-100);
}
.fbr-sum-tbl tbody tr:last-child { border-bottom: none; }
.fbr-sum-tbl td {
  padding: 11px 14px;
  font-size: 13px;
  color: var(--c-gray-800);
}
.fbr-sum-tbl td.fbr-tr {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 14px;
}
.fbr-sum-tbl tbody tr.fbr-row-tax td { background: #eef7f6; color: var(--c-primary-d); }
.fbr-sum-tbl tbody tr.fbr-row-tax td.fbr-tr { color: var(--c-primary-d); font-weight: 700; }
.fbr-sum-tbl tbody tr.fbr-row-net td { background: #e6faf7; color: var(--c-success); }
.fbr-sum-tbl tbody tr.fbr-row-net td.fbr-tr { color: var(--c-success); font-weight: 700; }

.fbr-sum-tbl tfoot tr {
  border-top: 1px solid var(--c-gray-200);
}
.fbr-sum-tbl tfoot td {
  padding: 9px 14px;
  font-size: 12px;
  color: var(--c-gray-600);
}
.fbr-sum-tbl tfoot td.fbr-tr {
  text-align: right;
  font-weight: 600;
  color: var(--c-gray-800);
}

/* ── Year comparison ── */
.fbr-compare {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 1.4rem;
}
.fbr-cmp {
  background: var(--c-white); border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md); padding: 12px 14px; box-shadow: var(--shadow-sm);
}
.fbr-cmp.fbr-cmp-active { border: 2px solid var(--c-primary); background: var(--c-primary-l); }
.fbr-cmp-fy   { font-size: 12px; font-weight: 700; color: var(--c-dark); margin-bottom: 2px; }
.fbr-cmp-tax  { font-size: 15px; font-weight: 700; color: var(--c-primary-d); margin-top: 4px; }
.fbr-cmp-row  { font-size: 11px; color: var(--c-gray-600); margin-top: 3px; }
.fbr-cmp-save { font-size: 11px; font-weight: 600; color: var(--c-success); margin-top: 6px; }
.fbr-cmp-more { font-size: 11px; font-weight: 600; color: var(--c-danger); margin-top: 6px; }

/* ================================================================
   PIE CHART + BAR (side by side)
================================================================ */
.fbr-visual-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  align-items: center;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}
.fbr-pie-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
#fbr-pie { width: 100%; max-width: 180px; }
.fbr-pie-legend {
  display: flex; gap: 14px; font-size: 12px; color: var(--c-gray-600);
}
.fbr-pie-legend span { display: flex; align-items: center; gap: 5px; }

.fbr-bar-wrap { flex: 1; }
.fbr-bar-header {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--c-gray-600); margin-bottom: 10px; font-weight: 500;
}
.fbr-bar-track {
  height: 28px; background: var(--c-gray-100); border-radius: 20px;
  overflow: hidden; display: flex; margin-bottom: 10px;
}
.fbr-bar-fill-tax {
  height: 100%; background: var(--c-primary); transition: width .5s ease;
  border-radius: 20px 0 0 20px;
}
.fbr-bar-fill-net {
  height: 100%; background: var(--c-accent); transition: width .5s ease;
}
.fbr-bar-sub-labels {
  display: flex; gap: 1.5rem; font-size: 12px; color: var(--c-gray-600);
}
.fbr-bar-sub-labels span { display: flex; align-items: center; gap: 6px; }

.fbr-legend-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
}
.fbr-dot-tax { background: var(--c-primary); }
.fbr-dot-net { background: var(--c-accent); }

/* ── Surcharge ── */
.fbr-surcharge-box {
  background: var(--c-warn-bg); border: 1px solid var(--c-warn-br);
  border-radius: var(--radius-md); padding: 12px 16px;
  font-size: 13px; color: var(--c-warn-tx);
  margin: 1rem 0; display: flex; gap: 10px; align-items: flex-start;
}

/* ── Slab table ── */
.fbr-slab-card { padding: 0; overflow: hidden; }
.fbr-table-scroll { overflow-x: auto; }
.fbr-tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.fbr-tbl th {
  background: var(--c-dark); color: rgba(255,255,255,.85);
  padding: 10px 14px; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .4px;
  text-align: left; white-space: nowrap;
}
.fbr-tbl th.fbr-tc { text-align: center; }
.fbr-tbl th.fbr-tr { text-align: right; }
.fbr-tbl tbody tr { border-bottom: 1px solid var(--c-gray-100); }
.fbr-tbl tbody tr:last-child { border-bottom: none; }
.fbr-tbl td { padding: 10px 14px; color: var(--c-gray-800); }
.fbr-tbl td.fbr-tc { text-align: center; }
.fbr-tbl td.fbr-tr {
  text-align: right; font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Fira Code", monospace; font-size: 12px;
}
.fbr-tbl tbody tr.fbr-row-active { background: var(--c-primary-l); }
.fbr-tbl tbody tr.fbr-row-active td { color: var(--c-primary-d); font-weight: 600; }
.fbr-tbl tfoot tr { border-top: 2px solid var(--c-gray-200); }
.fbr-tbl tfoot td { padding: 10px 14px; font-weight: 700; font-size: 13px; }
.fbr-tbl tfoot td.fbr-tr { font-family: "SF Mono", "Fira Code", monospace; }
.fbr-tfoot-total td { background: var(--c-gray-50); color: var(--c-dark); }
.fbr-tfoot-mtax td  { background: #e6f4f2; color: var(--c-primary-d); }
.fbr-tfoot-mnet td  { background: #e6faf7; color: var(--c-success); }

/* ── Disclaimer ── */
.fbr-disclaimer {
  font-size: 11px; color: var(--c-gray-400); line-height: 1.6;
  margin-top: 1.25rem; padding: 1rem;
  background: var(--c-gray-50); border-radius: var(--radius-md);
  border-left: 3px solid var(--c-gray-200);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .fbr-hero   { padding: 1.5rem 1.25rem; }
  .fbr-card   { padding: 1rem 1.1rem; }
  .fbr-type-grid { gap: 6px; }
  .fbr-type-btn  { padding: .75rem .4rem; }
  .fbr-type-desc { display: none; }
  .fbr-yr-grid   { gap: 6px; }
  .fbr-yr-btn    { padding: 10px 8px; }
  .fbr-yr-ty     { display: none; }
  .fbr-amount-row { flex-direction: column; }
  .fbr-amount-wrap { min-width: 100%; }
  .fbr-mode-wrap   { width: 100%; }
  .fbr-mode-btn    { flex: 1; }

  /* Stack the two summary tables vertically on mobile */
  .fbr-tables-row  { grid-template-columns: 1fr; }

  /* Stack pie and bar vertically on mobile */
  .fbr-visual-row  { grid-template-columns: 1fr; }
  #fbr-pie         { max-width: 160px; }

  .fbr-compare { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .fbr-compare { grid-template-columns: 1fr; }
}