/* ============================================
   Two-panel calculator layout
   ============================================ */
.calc-container {
    display: flex;
    width: 100%;
    max-width: 1060px;
}

.calc-panel {
    flex: 1;
    background-color: #1f1f1f;
    border: 2px solid #280049;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5);
}

.calc-panel:first-child {
    border-right: 1px solid #280049;
    border-radius: 8px 0 0 8px;
}

.calc-panel:last-child {
    border-left: 1px solid #280049;
    border-radius: 0 8px 8px 0;
}

.panel-section {
    padding: 4px 0;
}

.divider {
    border: none;
    border-top: 1px solid #7f7f7f;
    margin: 12px 0;
}

/* ============================================
   Field rows
   ============================================ */
.field-row {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
}

.field-row:last-child {
    margin-bottom: 0;
}

.field-row label {
    color: #7F7F7F;
    font-family: monospace;
    font-size: 1em;
    text-align: right;
    min-width: 140px;
    padding-right: 12px;
    white-space: nowrap;
}

.field-row input {
    flex: 1;
    background-color: #3f3f3f;
    border: 1px solid #7F7F7F;
    border-radius: 4px;
    color: #FFC000;
    font-family: monospace;
    font-size: 1em;
    padding: 8px 12px;
    outline: none;
    margin-bottom: 0;
    text-align: right;
    box-sizing: border-box;
}

.field-row input:focus {
    border-color: #8c00ff7a;
}

.field-row input::placeholder {
    color: #555;
}

/* ============================================
   Total row
   ============================================ */
.total-row {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 4px 0;
}

.total-label {
    color: #7F7F7F;
    font-family: monospace;
    font-size: 1em;
    padding-right: 12px;
    white-space: nowrap;
}

.total-row select {
    background-color: #3f3f3f;
    border: 1px solid #7F7F7F;
    border-radius: 4px;
    color: #7F7F7F;
    font-family: monospace;
    font-size: 0.95em;
    padding: 8px 12px;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%237F7F7F'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
    margin-bottom: 0;
    box-sizing: border-box;
}

.total-row select:focus {
    border-color: #8c00ff7a;
}

.total-row select option {
    background: #1f1f1f;
    color: #CCCCCC;
}

.total-sep {
    color: #7F7F7F;
    font-family: monospace;
    font-size: 1em;
    padding: 0 12px;
}

.total-value {
    flex: 1;
    background-color: #3f3f3f;
    border: 1px solid #7F7F7F;
    border-radius: 4px;
    color: #FFC000;
    font-family: monospace;
    font-size: 1em;
    padding: 8px 12px;
    text-align: right;
}

/* ============================================
   Number input — hide spinners
   ============================================ */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
}

/* ============================================
   Flatpickr dark theme
   ============================================ */
.flatpickr-calendar {
    background: #1f1f1f;
    border: 1px solid #3f3f3f;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
    font-family: monospace;
}

.flatpickr-months {
    background: #1a1a1a;
    border-radius: 8px 8px 0 0;
}

.flatpickr-months .flatpickr-month {
    background: #1a1a1a;
    color: #FFFFFF;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: #1a1a1a;
    color: #FFFFFF;
    font-family: monospace;
    display: none;
}

.flatpickr-current-month .flatpickr-monthDropdown-months option {
    background: #1f1f1f;
    color: #FFFFFF;
}

.flatpickr-current-month input.cur-year {
    color: #FFFFFF;
    font-family: monospace;
}

.flatpickr-current-month {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
    color: #7F7F7F;
    fill: #7F7F7F;
}

.flatpickr-months .flatpickr-prev-month:hover,
.flatpickr-months .flatpickr-next-month:hover {
    color: #FFFFFF;
    fill: #FFFFFF;
}

.flatpickr-months .flatpickr-prev-month svg,
.flatpickr-months .flatpickr-next-month svg {
    fill: inherit;
}

span.flatpickr-weekday {
    color: #7F7F7F;
    font-family: monospace;
    background: transparent;
}

.flatpickr-weekdays {
    background: transparent;
}

.flatpickr-day {
    color: #CCCCCC;
    border-radius: 4px;
}

.flatpickr-day:hover {
    background: #3f3f3f;
    border-color: #3f3f3f;
    color: #FFFFFF;
}

.flatpickr-day.today {
    border-color: #8c00ff7a;
}

.flatpickr-day.today:hover {
    background: #8c00ff33;
    border-color: #8c00ff7a;
    color: #FFFFFF;
}

.flatpickr-day.selected {
    background: #8c00ff;
    border-color: #8c00ff;
    color: #FFFFFF;
}

.flatpickr-day.selected:hover {
    background: #9c1fff;
    border-color: #9c1fff;
}

.flatpickr-day.flatpickr-disabled,
.flatpickr-day.flatpickr-disabled:hover,
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: #555555;
}

.numInputWrapper:hover {
    background: transparent;
}

.flatpickr-innerContainer {
    background: #1f1f1f;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.numInputWrapper span {
    border: none;
}

.numInputWrapper span:hover {
    background: transparent;
}

.numInputWrapper span::after {
    border-bottom-color: #7F7F7F;
    border-top-color: #7F7F7F;
}

.numInputWrapper span:hover::after {
    border-bottom-color: #FFFFFF;
    border-top-color: #FFFFFF;
}

/* Custom month/year labels */
.custom-month-label,
.custom-year-label {
    color: #FFFFFF;
    font-family: monospace;
    font-size: 1em;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.custom-month-label:hover,
.custom-year-label:hover {
    background-color: #3f3f3f;
}

/* Custom picker overlay panels */
.custom-picker-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1f1f1f;
    z-index: 10;
    padding: 12px;
    border-radius: 0 0 8px 8px;
}

.picker-grid {
    display: grid;
    gap: 6px;
    width: 100%;
}

.month-grid {
    grid-template-columns: repeat(3, 1fr);
}

.year-grid {
    grid-template-columns: repeat(3, 1fr);
}

.picker-cell {
    background: #2a2a2a;
    border: 1px solid #3f3f3f;
    border-radius: 4px;
    color: #CCCCCC;
    font-family: monospace;
    font-size: 0.85em;
    padding: 8px 0;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
    text-align: center;
}

.picker-cell:hover {
    background: #3f3f3f;
    color: #FFFFFF;
}

.picker-cell.active {
    background: #8c00ff;
    border-color: #8c00ff;
    color: #FFFFFF;
}

.year-input {
    width: 100%;
    background: #2a2a2a !important;
    border: 1px solid #3f3f3f !important;
    border-radius: 4px !important;
    color: #FFC000 !important;
    font-family: monospace;
    font-size: 1em;
    padding: 8px 12px;
    margin-bottom: 10px;
    outline: none;
    text-align: center;
    box-sizing: border-box;
}

.year-input:focus {
    border-color: #8c00ff !important;
}

/* Today button */
.flatpickr-today-wrap {
    display: flex;
    justify-content: center;
    padding: 8px;
    background: #1f1f1f;
    border-top: 1px solid #3f3f3f;
    border-radius: 0 0 8px 8px;
}

.flatpickr-today-btn {
    background: #2a2a2a;
    border: 1px solid #3f3f3f;
    border-radius: 4px;
    color: #CCCCCC;
    font-family: monospace;
    font-size: 0.85em;
    padding: 4px 20px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.flatpickr-today-btn:hover {
    background: #8c00ff;
    border-color: #8c00ff;
    color: #FFFFFF;
}

/* ============================================
   Reset button
   ============================================ */
.reset-row {
    display: flex;
    justify-content: center;
    padding-top: 12px;
}

.reset-btn {
    background-color: #3f3f3f;
    border: 1px solid #7F7F7F;
    border-radius: 4px;
    color: #7F7F7F;
    font-family: monospace;
    font-size: 0.9em;
    padding: 6px 24px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.reset-btn:hover {
    background-color: #3f3f3f;
    border-color: #8c00ff7a;
    color: #CCCCCC;
}

/* ============================================
   Responsive — stack panels on narrow screens
   ============================================ */
@media (max-width: 768px) {
    .calc-container {
        flex-direction: column;
    }
    .calc-panel:first-child {
        border-radius: 8px 8px 0 0;
        border-right: 2px solid #8c00ff7a;
        border-bottom: 1px solid #8c00ff7a;
    }
    .calc-panel:last-child {
        border-radius: 0 0 8px 8px;
        border-left: 2px solid #8c00ff7a;
        border-top: 1px solid #8c00ff7a;
    }
    .field-row label {
        min-width: 110px;
        font-size: 0.9em;
    }
}