/* «ابزارهای کاربردی» page + financial calculator block */

.tools-page__head {
  margin: 20px 0 6px;
}

.tools-page__title {
  margin: 0;
  color: var(--ink, #12293e);
  font-size: 24px;
  line-height: 1.5;
}

.tools-page__body > :first-child {
  margin-top: 0;
}

.ak-fc {
  --fc-brand: var(--navy, #062c4d);
  --fc-accent: var(--gold, #f3c548);
  --fc-accent-ink: #28333b;
  --fc-accent-text: #946800;
  --fc-ink: var(--ink, #12293e);
  --fc-muted: var(--muted, #7a8997);
  --fc-line: var(--line, #e7edf3);
  --fc-surface: var(--surface, #f4f7fa);
  --fc-up: var(--green, #27a982);
  --fc-down: var(--red, #db6b6b);
  margin-block: 12px 32px;
  padding: 22px;
  border: 1px solid var(--fc-line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 3px 14px rgba(27, 54, 76, .05);
  color: var(--fc-ink);
}

.ak-fc button,
.ak-fc input,
.ak-fc select {
  font: inherit;
}

.ak-fc :focus-visible {
  outline: 2px solid var(--fc-accent);
  outline-offset: 2px;
}

/* Header */
.ak-fc__head {
  margin-bottom: 16px;
}

.ak-fc__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
}

.ak-fc__subtitle {
  margin: 4px 0 0;
  color: var(--fc-muted);
  font-size: 14px;
  line-height: 1.8;
}

.ak-fc__panel-title {
  margin: 0 0 14px;
  font-size: 17px;
}

/* Tabs */
.ak-fc__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.ak-fc__tab {
  padding: 9px 16px;
  border: 1px solid var(--fc-line);
  border-radius: 999px;
  background: var(--fc-surface);
  color: var(--fc-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.ak-fc__tab:hover {
  border-color: var(--fc-brand);
}

.ak-fc__tab[aria-selected="true"] {
  border-color: var(--fc-brand);
  background: var(--fc-brand);
  color: #fff;
  box-shadow: inset 0 -3px 0 var(--fc-accent);
}

/* Form + result */
.ak-fc__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

@media (min-width: 900px) {
  .ak-fc__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

.ak-fc__form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px 16px;
  margin: 0;
}

.ak-fc__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.ak-fc__label {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.ak-fc__control {
  display: flex;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--fc-line);
  border-radius: 10px;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.ak-fc__control:focus-within {
  border-color: var(--fc-brand);
  box-shadow: 0 0 0 3px rgba(6, 44, 77, .12);
}

.ak-fc__control:has([aria-invalid="true"]) {
  border-color: var(--fc-down);
}

.ak-fc__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 11px 12px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--fc-ink);
  font-size: 16px;
  font-weight: 600;
  text-align: right;
}

.ak-fc__input[aria-invalid="true"] {
  color: var(--fc-down);
}

.ak-fc__input:focus-visible {
  outline: 0;
}

.ak-fc__suffix,
.ak-fc__select {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 12px;
  border: 0;
  border-inline-start: 1px solid var(--fc-line);
  background: var(--fc-surface);
  color: var(--fc-muted);
  font-size: 13px;
  white-space: nowrap;
}

.ak-fc__select {
  color: var(--fc-ink);
  cursor: pointer;
}

.ak-fc__hint {
  min-height: 1.4em;
  color: var(--fc-muted);
  font-size: 12px;
  line-height: 1.4;
}

.ak-fc__check {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
  cursor: pointer;
}

.ak-fc__check input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--fc-brand);
}

.ak-fc__check:has(input:disabled) {
  opacity: .5;
  cursor: not-allowed;
}

.ak-fc__result {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--fc-brand), #0b3d66);
  color: #fff;
}

.ak-fc__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.ak-fc__stat-label {
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.6;
}

.ak-fc__stat-value {
  overflow-wrap: anywhere;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.ak-fc__stat--primary .ak-fc__stat-label {
  font-size: 13px;
}

.ak-fc__stat--primary .ak-fc__stat-value {
  color: var(--fc-accent);
  font-size: 26px;
  line-height: 1.4;
}

.ak-fc__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ak-fc__stats .ak-fc__stat {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .07);
}

.ak-fc__stat.is-up .ak-fc__stat-value {
  color: #6fe0b9;
}

.ak-fc__stat.is-down .ak-fc__stat-value {
  color: #ff9b9b;
}

.ak-fc__error {
  margin: 0;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(219, 107, 107, .2);
  color: #ffd6d6;
  font-size: 13px;
  line-height: 1.7;
}

.ak-fc__error[hidden] {
  display: none;
}

/* Chart */
.ak-fc__chart {
  margin: 18px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--fc-line);
  border-radius: 12px;
}

.ak-fc__chart-caption {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-bottom: 8px;
  color: var(--fc-muted);
  font-size: 12px;
}

.ak-fc__legend::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 3px;
  margin-inline-end: 6px;
  border-radius: 2px;
  vertical-align: middle;
}

.ak-fc__legend--balance::before {
  background: #c99a1c;
}

.ak-fc__legend--deposit::before {
  background: var(--fc-brand);
}

.ak-fc__svg {
  display: block;
  width: 100%;
  height: 220px;
}

.ak-fc__grid {
  stroke: var(--fc-line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.ak-fc__area {
  fill: rgba(243, 197, 72, .22);
}

.ak-fc__line {
  fill: none;
  stroke-width: 2.5;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.ak-fc__line--balance {
  stroke: #c99a1c;
}

.ak-fc__line--deposit {
  stroke: var(--fc-brand);
  stroke-dasharray: 6 5;
}

/* Table + guide */
.ak-fc__table-wrap,
.ak-fc__guide {
  margin-top: 14px;
  border-radius: 10px;
}

.ak-fc__table-wrap > summary,
.ak-fc__guide > summary {
  padding: 10px 2px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.ak-fc__scroll {
  overflow-x: auto;
}

.ak-fc__table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 13px;
}

.ak-fc__table th,
.ak-fc__table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--fc-line);
  text-align: right;
  white-space: nowrap;
}

.ak-fc__table thead th {
  background: var(--fc-surface);
  color: var(--fc-muted);
  font-weight: 600;
}

.ak-fc__guide {
  padding: 4px 14px 10px;
  background: var(--fc-surface);
}

.ak-fc__guide p {
  margin: 6px 0;
  font-size: 14px;
  line-height: 2;
}

/* Actions */
.ak-fc__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.ak-fc__btn {
  padding: 9px 18px;
  border: 1px solid var(--fc-line);
  border-radius: 999px;
  background: #fff;
  color: var(--fc-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}

.ak-fc__btn:hover {
  border-color: var(--fc-brand);
}

.ak-fc__btn--primary {
  border-color: var(--fc-accent);
  background: var(--fc-accent);
  color: var(--fc-accent-ink);
}

.ak-fc__btn--primary:hover {
  border-color: #e0b02f;
  background: #e9ba3a;
}

.ak-fc__toast {
  color: var(--fc-up);
  font-size: 13px;
  font-weight: 600;
}

.ak-fc__note,
.ak-fc__preview-note {
  margin: 12px 0 0;
  color: var(--fc-muted);
  font-size: 12px;
  line-height: 1.8;
}

@media (max-width: 760px) {
  .tools-page__title {
    font-size: 20px;
  }

  .ak-fc {
    padding: 16px;
    border-radius: 12px;
  }

  .ak-fc__tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-inline: -16px;
    padding-inline: 16px;
    scrollbar-width: none;
  }

  .ak-fc__tabs::-webkit-scrollbar {
    display: none;
  }

  .ak-fc__tab {
    flex: 0 0 auto;
    padding: 8px 14px;
    font-size: 13px;
  }

  .ak-fc__stat--primary .ak-fc__stat-value {
    font-size: 22px;
  }

  .ak-fc__svg {
    height: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ak-fc__tab,
  .ak-fc__control,
  .ak-fc__btn {
    transition: none;
  }
}

@media print {
  .ak-fc__tabs,
  .ak-fc__actions,
  .ak-fc__guide {
    display: none;
  }
}