.main[data-page="calc"] .main_1 {
  align-items: stretch;
  justify-content: flex-start;
  padding: 44px;
}

.main[data-page="calc"] .calc_shell {
  width: min(100%, 920px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.main[data-page="calc"] .calc_panel {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 1.8rem;
  border-radius: 34px;
  background: rgba(244, 247, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.12);
}

.main[data-page="calc"] .calc_panel::before {
  content: "";
  position: absolute;
  inset: -30% auto auto 55%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 244, 129, 0.18), transparent 60%);
  pointer-events: none;
}

.main[data-page="calc"] .calc_display_shell {
  position: relative;
  z-index: 1;
  margin-bottom: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem 1.6rem 1rem 1.25rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.12);
}

.main[data-page="calc"] .calc_expression {
  min-height: 1.5rem;
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  color: rgba(93, 105, 121, 0.72);
  text-align: right;
}

.main[data-page="calc"] #input {
  width: 100%;
  min-height: 98px;
  border: none;
  background: #fff;
  color: var(--text);
  text-align: right;
  font-family: "Manrope", sans-serif;
  font-size: clamp(3.4rem, 8vw, 5.8rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.12;
  padding: 0.08rem 0.95rem 0.12rem 0.2rem;
  box-sizing: border-box;
  overflow: visible;
}

.main[data-page="calc"] #input:focus {
  outline: none;
}

.main[data-page="calc"] .calc_board {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: max-content max-content;
  gap: 0.5rem;
  justify-content: center;
  align-items: start;
}

.main[data-page="calc"] .calc_scientific {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  width: 288px;
  justify-self: end;
}

.main[data-page="calc"] #container {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  width: 276px;
  justify-self: start;
}

.main[data-page="calc"] .calc_button {
  min-height: 68px;
  border: none;
  border-radius: 18px;
  font-family: "Inter", sans-serif;
  font-size: 1.14rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.main[data-page="calc"] .calc_button:hover {
  transform: translateY(-1px);
}

.main[data-page="calc"] .calc_button--utility {
  background: var(--surface-soft);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.1);
  padding-left: 0.65rem;
  padding-right: 0.65rem;
}

.main[data-page="calc"] .calc_scientific .calc_button--utility {
  background: linear-gradient(180deg, rgba(237, 244, 228, 0.98), rgba(224, 236, 208, 0.94));
  color: #355116;
  box-shadow:
    inset 0 0 0 1px rgba(135, 167, 98, 0.2),
    0 10px 18px rgba(54, 104, 0, 0.08);
}

.main[data-page="calc"] .calc_scientific .calc_button--utility:hover {
  background: linear-gradient(180deg, rgba(242, 248, 235, 0.99), rgba(229, 241, 214, 0.96));
}

.main[data-page="calc"] .calc_button--number {
  background: rgba(255, 255, 255, 0.98);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.12);
  font-family: "Manrope", sans-serif;
  font-size: 1.75rem;
}

.main[data-page="calc"] .calc_button--operator {
  background: rgba(206, 232, 178, 0.88);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(183, 244, 129, 0.4);
}

.main[data-page="calc"] .calc_button--danger {
  background: rgba(230, 238, 255, 0.98);
  color: #c12828;
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.12);
}

.main[data-page="calc"] .calc_button--equals {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 18px 34px rgba(54, 104, 0, 0.22);
}

.main[data-page="calc"] .calc_button--wide {
  grid-column: span 2;
}

.main[data-page="calc"] .calc_history_actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
}

.main[data-page="calc"] .calc_history_toggle {
  min-height: 42px;
  padding: 0 1rem;
  border: none;
  border-radius: 999px;
  background: rgba(228, 234, 247, 0.96);
  color: var(--text-soft);
  font-family: "Inter", sans-serif;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(114, 122, 105, 0.14);
}

.main[data-page="calc"] .history {
  display: none;
  width: 100%;
  padding: 1.35rem;
  border-radius: 24px;
  background: var(--surface-soft);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.12);
}

.main[data-page="calc"] .history.show {
  display: block;
}

.main[data-page="calc"] .history .sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.95rem;
  font-family: "Manrope", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
}

.main[data-page="calc"] .history .close {
  cursor: pointer;
  color: var(--text-soft);
}

.main[data-page="calc"] #record {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.main[data-page="calc"] .calc_history_row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 1px rgba(194, 201, 182, 0.08);
}

.main[data-page="calc"] .calc_history_row span,
.main[data-page="calc"] .calc_history_row strong {
  font-family: "Inter", sans-serif;
  color: var(--text-soft);
}

.main[data-page="calc"] .calc_history_row strong {
  color: var(--text);
}

body.dark-mode .main[data-page="calc"] .calc_panel {
  background: rgba(29, 33, 39, 0.94);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

body.dark-mode .main[data-page="calc"] .calc_panel::before {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 60%);
}

body.dark-mode .main[data-page="calc"] .calc_display_shell,
body.dark-mode .main[data-page="calc"] .calc_button--number,
body.dark-mode .main[data-page="calc"] .calc_history_row {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

body.dark-mode .main[data-page="calc"] #input {
  background: transparent;
}

body.dark-mode .main[data-page="calc"] .calc_button--utility,
body.dark-mode .main[data-page="calc"] .calc_history_toggle,
body.dark-mode .main[data-page="calc"] .history {
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

body.dark-mode .main[data-page="calc"] .calc_scientific .calc_button--utility {
  background: linear-gradient(180deg, rgba(73, 86, 58, 0.34), rgba(56, 67, 45, 0.28));
  color: #eef5e7;
  box-shadow:
    inset 0 0 0 1px rgba(191, 214, 165, 0.14),
    0 10px 18px rgba(0, 0, 0, 0.16);
}

body.dark-mode .main[data-page="calc"] .calc_scientific .calc_button--utility:hover {
  background: linear-gradient(180deg, rgba(82, 97, 65, 0.38), rgba(63, 75, 50, 0.32));
}

body.dark-mode .main[data-page="calc"] .calc_button--operator {
  background: rgba(103, 112, 124, 0.18);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(173, 180, 190, 0.18);
}

body.dark-mode .main[data-page="calc"] .calc_button--danger {
  background: rgba(255, 255, 255, 0.04);
  color: #d79898;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

body.dark-mode .main[data-page="calc"] .calc_button--equals {
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.26);
}

@media screen and (max-width: 920px) {
  .main[data-page="calc"] .calc_board {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .main[data-page="calc"] .calc_scientific {
    order: 2;
    width: 100%;
    justify-self: stretch;
  }

  .main[data-page="calc"] #container {
    order: 1;
    width: 100%;
    justify-self: stretch;
  }
}

@media screen and (max-width: 700px) {
  .main[data-page="calc"] .main_1 {
    padding: 24px;
  }

  .main[data-page="calc"] .calc_panel {
    padding: 1.25rem;
    border-radius: 24px;
  }

  .main[data-page="calc"] #input {
    min-height: 82px;
    font-size: clamp(2.8rem, 16vw, 4.2rem);
    padding-right: 0.8rem;
    padding-left: 0.16rem;
  }

  .main[data-page="calc"] .calc_button {
    min-height: 58px;
    font-size: 0.98rem;
  }

  .main[data-page="calc"] .calc_button--number {
    font-size: 1.45rem;
  }
}

.main.FULLSCREEN[data-page="calc"] .main_1 {
  align-items: center;
  justify-content: center;
  padding: 32px;
}