/* ============================================================
   calculator.css — Hesap Makinesi & Hızlı ERP Hesaplamaları
   Kutcar / Dijigaraj SaaS Platformu
   ============================================================ */

.calc-floating-panel {
  position: fixed !important;
  left: 50% !important;
  top: 50% !important;
  right: auto !important;
  bottom: auto !important;
  transform: translate(-50%, -50%) scale(0.97) !important;
  width: min(820px, calc(100vw - 88px)) !important;
  height: min(680px, 86vh) !important;
  max-height: min(680px, 86vh) !important;
  background: var(--bg-secondary, #171717) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-radius: 16px !important;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.08) !important;
  z-index: 2000 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
  color: var(--text-primary, #e4e6f0);
}

.calc-floating-panel.active {
  opacity: 1 !important;
  transform: translate(-50%, -50%) scale(1) !important;
  pointer-events: auto !important;
}

/* Header */
.calc-panel-header {
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.16) 0%, rgba(139, 197, 61, 0.08) 100%);
  border-bottom: 1px solid var(--border, #353535);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

.calc-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.calc-header-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(20, 184, 166, 0.18);
  border: 1px solid rgba(45, 212, 191, 0.35);
  color: #2dd4bf;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.calc-header-titles {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.calc-panel-title {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 750;
  color: var(--text-heading, #f2f2f2);
  line-height: 1.25;
}

.calc-panel-subtitle {
  font-size: 0.72rem;
  font-weight: 550;
  color: #2dd4bf;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calc-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.calc-close-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted, #a3a3a3);
  cursor: pointer;
  font-size: 0.95rem;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.calc-close-btn:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.45);
  color: #fca5a5;
}

/* 2-Column Workspace Body */
.calc-panel-body {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(265px, 0.95fr);
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-main, #0f1117);
}

.calc-main-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--border, #353535);
  background: rgba(255, 255, 255, 0.01);
}

/* Mode Tab Bar */
.calc-tabs-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border, #353535);
  flex-shrink: 0;
}

.calc-tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 36px;
  padding: 4px 6px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calc-tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-heading, #f2f2f2);
}

.calc-tab-btn[aria-selected="true"],
.calc-tab-btn.active {
  background: rgba(20, 184, 166, 0.16);
  border-color: rgba(45, 212, 191, 0.45);
  color: #2dd4bf;
  font-weight: 700;
}

.calc-tab-pane {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-tab-pane[hidden] {
  display: none !important;
}

/* Standard Calculator Display & Keypad */
.calc-display-box {
  background: var(--bg-input, #141414);
  border: 1px solid var(--border, #353535);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}

.calc-display-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 20px;
}

.calc-copy-inline-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary, #b8b8b8);
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.calc-copy-inline-btn:hover {
  background: rgba(45, 212, 191, 0.16);
  border-color: rgba(45, 212, 191, 0.4);
  color: #2dd4bf;
}

.calc-expr-line {
  flex: 1;
  text-align: right;
  font-size: 0.78rem;
  color: var(--text-muted, #a3a3a3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calc-main-value {
  text-align: right;
  font-size: 2rem;
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-heading, #f2f2f2);
  font-variant-numeric: tabular-nums;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scrollbar-width: none;
}

.calc-main-value::-webkit-scrollbar {
  display: none;
}

.calc-main-value.is-error {
  font-size: 1.25rem;
  color: var(--danger, #ed8b83);
}

/* Quick VAT Bar above keypad */
.calc-quick-vat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.calc-vat-pill {
  min-height: 32px;
  padding: 4px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border, #353535);
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.72rem;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.calc-vat-pill:hover {
  background: rgba(20, 184, 166, 0.14);
  border-color: rgba(45, 212, 191, 0.45);
  color: #2dd4bf;
}

/* Keypad Grid */
.calc-keypad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
  align-content: stretch;
}

.calc-key {
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-card, #232323);
  color: var(--text-heading, #f2f2f2);
  font-size: 1.12rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.12s ease, border-color 0.12s ease, transform 0.08s ease;
  user-select: none;
}

.calc-key:hover {
  background: var(--bg-card-hover, #2c2c2c);
  border-color: var(--border-light, #4b4b4b);
}

.calc-key:active {
  transform: scale(0.96);
}

.calc-key-op {
  background: rgba(20, 184, 166, 0.12);
  border-color: rgba(45, 212, 191, 0.25);
  color: #2dd4bf;
  font-size: 1.2rem;
}

.calc-key-op:hover {
  background: rgba(20, 184, 166, 0.22);
  border-color: rgba(45, 212, 191, 0.48);
}

.calc-key-util {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.96rem;
}

.calc-key-clear {
  color: var(--danger, #ed8b83);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.24);
}

.calc-key-clear:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.42);
}

.calc-key-eq {
  background: var(--action-bg, #8bc53d) !important;
  border-color: var(--action-bg, #8bc53d) !important;
  color: var(--on-action, #011207) !important;
  font-size: 1.3rem;
  font-weight: 800;
}

.calc-key-eq:hover {
  background: var(--action-hover, #9ed054) !important;
  border-color: var(--action-hover, #9ed054) !important;
}

.calc-kbd-hint {
  font-size: 0.7rem;
  color: var(--text-muted, #a3a3a3);
  text-align: center;
  margin-top: 2px;
}

/* Forms & ERP Quick Tools */
.calc-form-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.calc-form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.calc-field-group {
  display: flex;
  flex-direction: column;
}

.calc-field-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary, #b8b8b8);
  margin-bottom: 4px;
}

.calc-input {
  width: 100%;
  min-height: 44px;
  padding: 8px 11px;
  border-radius: 9px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-input, #141414);
  color: var(--text-heading, #f2f2f2);
  font-size: 0.96rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.calc-input:focus {
  outline: none;
  border-color: #2dd4bf;
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.16);
}

.calc-input:focus-visible {
  outline: 2px solid #2dd4bf;
  outline-offset: 2px;
}

.calc-select {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: 9px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-input, #141414);
  color: var(--text-heading, #f2f2f2);
  font-size: 0.9rem;
  font-weight: 600;
  box-sizing: border-box;
  cursor: pointer;
}

/* Segmented Radio Controls (visually hidden input + accessible label) */
.calc-fieldset {
  border: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.calc-fieldset-legend {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary, #b8b8b8);
  margin-bottom: 5px;
  display: block;
}

.calc-visually-hidden {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

.calc-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.calc-radio-option {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}

.calc-radio-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-card, #232323);
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  user-select: none;
}

.calc-radio-label:hover {
  background: var(--bg-card-hover, #2c2c2c);
  color: var(--text-heading, #f2f2f2);
}

.calc-radio-option input[type="radio"]:checked + .calc-radio-label {
  background: rgba(20, 184, 166, 0.16);
  border-color: rgba(45, 212, 191, 0.55);
  color: #2dd4bf;
  font-weight: 700;
}

.calc-radio-option input[type="radio"]:focus-visible + .calc-radio-label {
  outline: 2px solid var(--accent, #8bc53d);
  outline-offset: 2px;
}

/* Quick Preset Chips */
.calc-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.calc-chip-btn {
  min-height: 28px;
  padding: 3px 9px;
  border-radius: 7px;
  border: 1px solid var(--border, #353535);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.73rem;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.14s ease;
}

.calc-chip-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-heading, #f2f2f2);
}

.calc-chip-btn.active {
  background: rgba(20, 184, 166, 0.18);
  border-color: rgba(45, 212, 191, 0.55);
  color: #2dd4bf;
}

/* Tevkifat Grid */
.calc-tevk-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.calc-tevk-btn {
  min-height: 40px;
  padding: 4px 6px;
  border-radius: 8px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-card, #232323);
  color: var(--text-secondary, #b8b8b8);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  transition: all 0.14s ease;
}

.calc-tevk-btn strong {
  font-size: 0.78rem;
  color: var(--text-heading, #f2f2f2);
}

.calc-tevk-btn span {
  font-size: 0.63rem;
  color: var(--text-muted, #a3a3a3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.calc-tevk-btn:hover {
  background: var(--bg-card-hover, #2c2c2c);
}

.calc-tevk-btn.active {
  background: rgba(20, 184, 166, 0.16);
  border-color: rgba(45, 212, 191, 0.55);
}

.calc-tevk-btn.active strong {
  color: #2dd4bf;
}

/* Breakdown Card */
.calc-breakdown-card {
  background: var(--bg-card, #232323);
  border: 1px solid var(--border, #353535);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 0.81rem;
}

.calc-breakdown-row:last-of-type {
  border-bottom: none;
}

.calc-breakdown-row.is-highlight {
  margin-top: 2px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-bottom: 1px solid rgba(45, 212, 191, 0.3);
}

.calc-bd-label {
  color: var(--text-secondary, #b8b8b8);
  font-weight: 550;
}

.calc-breakdown-row.is-highlight .calc-bd-label {
  color: var(--text-heading, #f2f2f2);
  font-weight: 700;
}

.calc-bd-right {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.calc-bd-val {
  font-weight: 700;
  color: var(--text-heading, #f2f2f2);
  font-variant-numeric: tabular-nums;
}

.calc-breakdown-row.is-highlight .calc-bd-val {
  font-size: 1rem;
  color: #2dd4bf;
}

.calc-bd-val.is-warn {
  color: var(--warning, #d9b16a);
}

.calc-bd-val.is-success {
  color: var(--success, #68b78a);
}

.calc-mini-copy {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted, #a3a3a3);
  border-radius: 5px;
  padding: 2px 5px;
  font-size: 0.7rem;
  cursor: pointer;
  line-height: 1.2;
}

.calc-mini-copy:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* Tool Bottom Action Bar */
.calc-tool-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 2px;
}

.calc-action-btn {
  min-height: 38px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-card, #232323);
  color: var(--text-primary, #e4e6f0);
  font-size: 0.75rem;
  font-weight: 650;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.calc-action-btn:hover {
  background: var(--bg-card-hover, #2c2c2c);
  border-color: var(--border-light, #4b4b4b);
}

.calc-action-btn.primary {
  background: var(--action-bg, #8bc53d);
  border-color: var(--action-bg, #8bc53d);
  color: var(--on-action, #011207);
}

.calc-action-btn.primary:hover {
  background: var(--action-hover, #9ed054);
  border-color: var(--action-hover, #9ed054);
}

/* Currency Specific */
.calc-fx-pair-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  gap: 8px;
  align-items: end;
}

.calc-fx-swap-btn {
  height: 44px;
  border-radius: 9px;
  border: 1px solid var(--border, #353535);
  background: var(--bg-card, #232323);
  color: var(--text-heading, #f2f2f2);
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.calc-fx-swap-btn:hover {
  background: rgba(20, 184, 166, 0.16);
  border-color: rgba(45, 212, 191, 0.45);
  color: #2dd4bf;
}

.calc-fx-rate-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.72rem;
  color: var(--text-muted, #a3a3a3);
}

.calc-fx-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.7rem;
  font-weight: 600;
}

.calc-fx-status-pill.is-live {
  color: var(--success, #68b78a);
  border-color: rgba(104, 183, 138, 0.3);
  background: rgba(104, 183, 138, 0.1);
}

.calc-fx-status-pill.is-manual {
  color: var(--warning, #d9b16a);
  border-color: rgba(217, 177, 106, 0.35);
  background: rgba(217, 177, 106, 0.12);
}

.calc-fx-refresh-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border, #353535);
  color: var(--text-secondary, #b8b8b8);
  border-radius: 7px;
  padding: 4px 9px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}

.calc-fx-refresh-btn:hover {
  background: rgba(20, 184, 166, 0.15);
  color: #2dd4bf;
  border-color: rgba(45, 212, 191, 0.4);
}

.calc-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 550;
  color: var(--text-primary, #e4e6f0);
  min-height: 30px;
}

.calc-checkbox-row input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent, #8bc53d);
  cursor: pointer;
}

.calc-fx-ticker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.calc-fx-ticker {
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border, #353535);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.calc-fx-ticker span {
  display: block;
  font-size: 0.66rem;
  color: var(--text-muted, #a3a3a3);
}

.calc-fx-ticker strong {
  font-size: 0.79rem;
  color: var(--text-heading, #f2f2f2);
}

/* Right Column: History Tape */
.calc-history-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(0, 0, 0, 0.16);
}

.calc-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border, #353535);
  flex-shrink: 0;
}

.calc-history-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-heading, #f2f2f2);
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.calc-history-count {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary, #b8b8b8);
  font-variant-numeric: tabular-nums;
}

.calc-history-clear-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted, #a3a3a3);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
}

.calc-history-clear-btn:hover {
  background: rgba(239, 68, 68, 0.16);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.calc-history-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-history-empty {
  margin: auto 0;
  text-align: center;
  padding: 28px 16px;
  color: var(--text-muted, #a3a3a3);
  font-size: 0.78rem;
  line-height: 1.5;
}

.calc-history-empty-icon {
  font-size: 1.8rem;
  margin-bottom: 6px;
  opacity: 0.55;
}

.calc-history-item {
  background: var(--bg-card, #232323);
  border: 1px solid var(--border, #353535);
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.15s ease;
}

.calc-history-item:hover {
  border-color: var(--border-light, #4b4b4b);
}

.calc-hist-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.calc-hist-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.calc-hist-badge {
  font-size: 0.64rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(20, 184, 166, 0.15);
  color: #2dd4bf;
  border: 1px solid rgba(45, 212, 191, 0.3);
}

.calc-hist-time {
  font-size: 0.66rem;
  color: var(--text-muted, #a3a3a3);
  font-variant-numeric: tabular-nums;
}

.calc-hist-del {
  background: none;
  border: none;
  color: var(--text-muted, #a3a3a3);
  cursor: pointer;
  font-size: 0.76rem;
  padding: 1px 4px;
  border-radius: 4px;
}

.calc-hist-del:hover {
  background: rgba(239, 68, 68, 0.16);
  color: #fca5a5;
}

.calc-hist-expr {
  font-size: 0.73rem;
  color: var(--text-secondary, #b8b8b8);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.calc-hist-result {
  font-size: 0.96rem;
  font-weight: 750;
  color: var(--text-heading, #f2f2f2);
  font-variant-numeric: tabular-nums;
}

.calc-hist-note-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.calc-hist-note-text {
  font-size: 0.7rem;
  color: var(--accent, #8bc53d);
  background: rgba(139, 197, 61, 0.08);
  border: 1px solid rgba(139, 197, 61, 0.22);
  border-radius: 5px;
  padding: 2px 6px;
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calc-hist-note-btn {
  background: none;
  border: none;
  color: var(--text-muted, #a3a3a3);
  font-size: 0.68rem;
  padding: 1px 4px;
  cursor: pointer;
}

.calc-hist-note-btn:hover {
  color: var(--text-heading, #f2f2f2);
}

.calc-hist-note-input {
  width: 100%;
  font-size: 0.74rem;
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid #2dd4bf;
  background: var(--bg-input, #141414);
  color: var(--text-heading, #f2f2f2);
}

.calc-hist-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}

.calc-hist-act-btn {
  flex: 1;
  min-height: 26px;
  border-radius: 6px;
  border: 1px solid var(--border, #353535);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary, #b8b8b8);
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.calc-hist-act-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-heading, #f2f2f2);
}

.calc-history-footer {
  padding: 9px 12px;
  border-top: 1px solid var(--border, #353535);
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-shrink: 0;
}

.calc-history-sum-label {
  font-size: 0.7rem;
  color: var(--text-muted, #a3a3a3);
  display: block;
}

.calc-history-sum-val {
  font-size: 0.88rem;
  font-weight: 750;
  color: #2dd4bf;
  font-variant-numeric: tabular-nums;
}

/* Light Theme Overrides */
body.light-theme .calc-floating-panel {
  background: #ffffff !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.22) !important;
  color: #1e293b;
}

body.light-theme .calc-panel-header {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12) 0%, rgba(1, 47, 19, 0.05) 100%);
  border-bottom-color: rgba(15, 23, 42, 0.1);
}

body.light-theme .calc-header-icon {
  background: rgba(13, 148, 136, 0.12);
  border-color: rgba(13, 148, 136, 0.3);
  color: #0d9488;
}

body.light-theme .calc-panel-title {
  color: #0f172a;
}

body.light-theme .calc-panel-subtitle {
  color: #0d9488;
}

body.light-theme .calc-close-btn {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.12);
  color: #475569;
}

body.light-theme .calc-panel-body {
  background: #f8fafc;
}

body.light-theme .calc-main-col {
  border-right-color: rgba(15, 23, 42, 0.1);
  background: #ffffff;
}

body.light-theme .calc-tabs-bar {
  background: #f1f5f9;
  border-bottom-color: rgba(15, 23, 42, 0.1);
}

body.light-theme .calc-tab-btn {
  color: #475569;
}

body.light-theme .calc-tab-btn:hover {
  background: rgba(15, 23, 42, 0.05);
  color: #0f172a;
}

body.light-theme .calc-tab-btn[aria-selected="true"],
body.light-theme .calc-tab-btn.active {
  background: rgba(13, 148, 136, 0.12);
  border-color: rgba(13, 148, 136, 0.4);
  color: #0f766e;
}

body.light-theme .calc-display-box,
body.light-theme .calc-input,
body.light-theme .calc-select,
body.light-theme .calc-hist-note-input {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
}

body.light-theme .calc-main-value {
  color: #0f172a;
}

body.light-theme .calc-key {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #0f172a;
}

body.light-theme .calc-key:hover {
  background: #e2e8f0;
}

body.light-theme .calc-key-op {
  background: rgba(13, 148, 136, 0.1);
  border-color: rgba(13, 148, 136, 0.25);
  color: #0f766e;
}

body.light-theme .calc-key-util {
  background: #e2e8f0;
  color: #334155;
}

body.light-theme .calc-key-clear {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
}

body.light-theme .calc-vat-pill,
body.light-theme .calc-chip-btn,
body.light-theme .calc-radio-label,
body.light-theme .calc-tevk-btn,
body.light-theme .calc-action-btn,
body.light-theme .calc-fx-swap-btn,
body.light-theme .calc-fx-refresh-btn {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #334155;
}

body.light-theme .calc-radio-option input[type="radio"]:checked + .calc-radio-label,
body.light-theme .calc-chip-btn.active,
body.light-theme .calc-tevk-btn.active {
  background: rgba(13, 148, 136, 0.12);
  border-color: rgba(13, 148, 136, 0.45);
  color: #0f766e;
}

body.light-theme .calc-tevk-btn strong {
  color: #0f172a;
}

body.light-theme .calc-tevk-btn.active strong {
  color: #0f766e;
}

body.light-theme .calc-breakdown-card,
body.light-theme .calc-history-item,
body.light-theme .calc-fx-ticker {
  background: #ffffff;
  border-color: #cbd5e1;
}

body.light-theme .calc-breakdown-row {
  border-bottom-color: rgba(15, 23, 42, 0.1);
}

body.light-theme .calc-breakdown-row.is-highlight {
  background: rgba(13, 148, 136, 0.08);
  border-color: rgba(13, 148, 136, 0.3);
}

body.light-theme .calc-bd-val,
body.light-theme .calc-hist-result,
body.light-theme .calc-history-title,
body.light-theme .calc-fx-ticker strong {
  color: #0f172a;
}

body.light-theme .calc-breakdown-row.is-highlight .calc-bd-val,
body.light-theme .calc-history-sum-val,
body.light-theme .calc-hist-badge {
  color: #0f766e;
}

body.light-theme .calc-history-col {
  background: #f1f5f9;
}

body.light-theme .calc-history-header,
body.light-theme .calc-history-footer {
  background: #e2e8f0;
  border-color: #cbd5e1;
}

body.light-theme .calc-hist-act-btn,
body.light-theme .calc-mini-copy,
body.light-theme .calc-copy-inline-btn {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #334155;
}

/* Mobile & Narrow Viewport Responsive */
@media (max-width: 760px) {
  .calc-floating-panel {
    width: calc(100vw - 20px) !important;
    height: min(740px, 90vh) !important;
    max-height: min(740px, 90vh) !important;
  }

  .calc-panel-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1.35fr) minmax(175px, 0.85fr);
  }

  .calc-main-col {
    border-right: none;
    border-bottom: 1px solid var(--border, #353535);
  }

  .calc-tabs-bar {
    gap: 3px;
    padding: 6px 8px;
  }

  .calc-tab-btn {
    font-size: 0.7rem;
    padding: 4px 3px;
  }

  .calc-tevk-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}