* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --blue: #2d7ff9;
    --blue-dark: #1565d8;
    --blue-light: #eef4ff;
    --red: #e5484d;
    --green: #16865b;
    --green-light: #ecf8f2;
    --purple: #7656c9;
    --purple-light: #f2effc;
    --orange: #c76d11;
    --orange-light: #fff5e9;
    --border: #dfe5ed;
    --muted: #667085;
    --background: #f4f6f8;
}

body {
    min-width: 320px;
    background: var(--background);
    color: #20242a;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
}

button,
input {
    font: inherit;
}

button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(45, 127, 249, 0.35);
    outline-offset: 2px;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

[hidden] {
    display: none !important;
}

.header {
    padding: 20px;
    background: var(--blue);
    color: white;
    text-align: center;
}

.header h1 {
    font-size: 30px;
}

.header p {
    margin-top: 5px;
    font-size: 13px;
    opacity: 0.9;
}

.container {
    width: min(100%, 940px);
    margin: 22px auto;
    padding: 0 16px 30px;
}

.view-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 18px;
    padding: 6px;
    border-radius: 14px;
    background: white;
    box-shadow: 0 2px 10px rgba(25, 35, 50, 0.08);
}

.view-tab {
    min-height: 48px;
    padding: 10px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #596170;
    font-weight: bold;
    cursor: pointer;
}

.view-tab:hover {
    background: #f3f7ff;
}

.view-tab.active {
    background: var(--blue);
    color: white;
}

.card {
    margin-bottom: 18px;
    padding: 24px;
    border-radius: 16px;
    background: white;
    box-shadow: 0 2px 12px rgba(25, 35, 50, 0.08);
}

.month-header {
    display: grid;
    grid-template-columns: 50px 1fr 50px;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.month-header h2,
.title-box {
    text-align: center;
}

.month-header h2 {
    font-size: 23px;
}

.title-box p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.month-button {
    min-height: 44px;
    padding: 8px;
    border: 0;
    border-radius: 10px;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
}

.month-button:hover {
    background: #dce9ff;
}

.calendar-summary-grid,
.household-summary-grid {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
}

.calendar-summary-grid {
    grid-template-columns: repeat(4, 1fr);
}

.household-summary-grid {
    grid-template-columns: repeat(4, 1fr);
}

.summary-box,
.household-summary-item,
.trend-summary-item {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 0;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fafbfc;
}

.summary-box span,
.household-summary-item span,
.trend-summary-item span {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.summary-box strong,
.household-summary-item strong,
.trend-summary-item strong {
    font-size: 20px;
    overflow-wrap: anywhere;
}

.income-box {
    border-color: #bde2cf;
    background: var(--green-light);
}

.income-box strong {
    color: var(--green);
}

.expense-box {
    border-color: #f2c8ca;
    background: #fff4f4;
}

.expense-box strong {
    color: var(--red);
}

.asset-box {
    border-color: #d8cdf4;
    background: var(--purple-light);
}

.asset-box strong {
    color: var(--purple);
}

.balance-box {
    border-color: #bfd5f7;
    background: var(--blue-light);
}

.weekday-row,
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.weekday-row {
    margin-bottom: 8px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
}

.sunday {
    color: var(--red);
}

.saturday {
    color: var(--blue);
}

.calendar-grid {
    border-top: 1px solid #ddd;
    border-left: 1px solid #ddd;
}

.calendar-day {
    min-height: 105px;
    padding: 7px;
    border: 0;
    border-right: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    background: white;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.calendar-day:hover {
    background: #f3f7ff;
}

.calendar-day.empty {
    background: #fafafa;
    cursor: default;
}

.calendar-day.selected {
    background: #eaf2ff;
    outline: 2px solid var(--blue);
    outline-offset: -2px;
}

.calendar-day.today .day-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 27px;
    height: 27px;
    border-radius: 50%;
    background: var(--blue);
    color: white;
}

.day-number {
    font-weight: bold;
}

.day-flow {
    display: block;
    margin-top: 5px;
    font-size: 10px;
    font-weight: bold;
    overflow-wrap: anywhere;
}

.day-flow.income {
    color: var(--green);
}

.day-flow.expense {
    color: var(--red);
}

.day-flow.asset {
    color: var(--purple);
}

.detail-card h2,
.input-card h2 {
    margin-bottom: 18px;
}

.input-card {
    scroll-margin-top: 12px;
}

.quick-input-note {
    margin: -8px 0 18px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

#dailyDetails {
    list-style: none;
}

.detail-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
}

.type-badge,
.schedule-badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #eef1f5;
    font-size: 12px;
    font-weight: bold;
}

.type-badge.income {
    background: var(--green-light);
    color: var(--green);
}

.type-badge.expense {
    background: #fff0f0;
    color: var(--red);
}

.type-badge.asset {
    background: var(--purple-light);
    color: var(--purple);
}

.detail-content {
    font-weight: bold;
    overflow-wrap: anywhere;
}

.detail-money {
    font-size: 19px;
    font-weight: bold;
}

.delete-button,
.small-button {
    flex-shrink: 0;
    min-height: 42px;
    padding: 8px 13px;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

.delete-button {
    background: #ff4d4f;
    color: white;
}

.small-button {
    border: 1px solid #cbd8eb;
    background: white;
    color: #3f4b5d;
    font-weight: bold;
}

.small-button:hover {
    background: #f3f7ff;
}

.small-button.danger {
    border-color: #f0c1c3;
    color: var(--red);
}

.empty-message,
.report-empty {
    padding: 18px 0;
    color: var(--muted);
    line-height: 1.7;
}

.selected-date-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--blue-light);
}

.selected-date-label {
    color: var(--muted);
    font-size: 14px;
    font-weight: bold;
}

#selectedDateDisplay {
    color: var(--blue);
    font-size: 18px;
}

.button-field {
    margin-bottom: 18px;
    border: 0;
}

.button-field legend,
.input-field {
    font-size: 14px;
    font-weight: bold;
}

.button-field legend {
    margin-bottom: 9px;
}

.choice-buttons,
.category-buttons {
    display: grid;
    gap: 9px;
}

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

.two-columns {
    grid-template-columns: repeat(2, 1fr);
}

.category-buttons {
    grid-template-columns: repeat(4, 1fr);
}

.choice-button,
.category-button,
.trend-category-button {
    min-height: 46px;
    padding: 9px;
    border: 1px solid #cbd8eb;
    border-radius: 10px;
    background: white;
    color: #333;
    font-weight: bold;
    cursor: pointer;
}

.choice-button:hover,
.category-button:hover,
.trend-category-button:hover {
    background: #f3f7ff;
}

.choice-button.selected,
.category-button.selected,
.trend-category-button.selected {
    border-color: var(--blue);
    background: var(--blue);
    color: white;
}

.category-toggle-button {
    display: none;
    width: 100%;
    min-height: 44px;
    margin-top: 9px;
    padding: 9px;
    border: 0;
    background: transparent;
    color: var(--blue);
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
}

.input-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.input-field input,
.confirm-input {
    width: 100%;
    min-height: 48px;
    padding: 12px;
    border: 1px solid #c9cfd8;
    border-radius: 10px;
    background: white;
    font-size: 17px;
}

.field-help,
.recurring-options p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.recurring-options {
    margin: -2px 0 18px;
    padding: 16px;
    border: 1px solid #cfe0fb;
    border-radius: 12px;
    background: #f7faff;
}

.recurring-options .input-field {
    margin-bottom: 0;
}

.advanced-options {
    margin-bottom: 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fafbfc;
    overflow: hidden;
}

.advanced-options summary,
.settings-disclosure summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 16px;
    color: #344054;
    font-weight: bold;
    cursor: pointer;
    list-style: none;
}

.advanced-options summary::-webkit-details-marker,
.settings-disclosure summary::-webkit-details-marker {
    display: none;
}

.advanced-options summary::after,
.settings-disclosure summary::after {
    flex-shrink: 0;
    content: "＋";
    color: var(--blue);
    font-size: 20px;
}

.advanced-options[open] summary::after,
.settings-disclosure[open] summary::after {
    content: "−";
}

.advanced-options summary small,
.settings-disclosure summary small {
    margin-left: auto;
    color: var(--muted);
    font-size: 12px;
    font-weight: normal;
}

.advanced-options-body,
.settings-disclosure-body {
    padding: 16px;
    border-top: 1px solid var(--border);
    background: white;
}

.advanced-options-body .button-field:last-of-type {
    margin-bottom: 0;
}

.settings-disclosure {
    padding: 0;
    overflow: hidden;
}

.settings-disclosure summary > span {
    display: flex;
    align-items: center;
    gap: 10px;
}

.monthly-confirm-card {
    border: 1px solid #cfe0fb;
}

.primary-button {
    width: 100%;
    min-height: 52px;
    padding: 13px;
    border: 0;
    border-radius: 10px;
    background: var(--blue);
    color: white;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
}

.primary-button:hover {
    background: var(--blue-dark);
}

.primary-button.save-succeeded,
.primary-button.save-succeeded:hover {
    background: #14865f;
    opacity: 1;
}

.save-confirmation {
    display: grid;
    gap: 5px;
    margin-bottom: 12px;
    padding: 14px 16px;
    border: 1px solid #9ed8c2;
    border-radius: 10px;
    background: #eefaf5;
    color: #126b4e;
}

.save-confirmation strong {
    font-size: 17px;
}

.save-confirmation span {
    color: #315f50;
    font-size: 14px;
    font-weight: bold;
    overflow-wrap: anywhere;
}

@keyframes save-confirmation-in {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.section-heading > div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-heading h2,
.section-heading h3 {
    font-size: 20px;
}

.section-heading > p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
    text-align: right;
}

.section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--blue);
    color: white;
    font-size: 13px;
    font-weight: bold;
}

.confirm-item,
.recurring-rule-item {
    padding: 16px 0;
    border-bottom: 1px solid #e9edf2;
}

.confirm-item:last-child,
.recurring-rule-item:last-child {
    border-bottom: 0;
}

.confirm-header,
.rule-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.confirm-header h3,
.rule-header h3 {
    overflow-wrap: anywhere;
}

.confirm-header p,
.rule-header p,
.registered-message {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.confirm-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 13px;
}

.same-amount-button,
.changed-amount-button {
    min-height: 46px;
    padding: 10px;
    border-radius: 9px;
    font-weight: bold;
    cursor: pointer;
}

.same-amount-button {
    border: 0;
    background: var(--blue);
    color: white;
}

.changed-amount-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
}

.changed-amount-button {
    border: 1px solid #cbd8eb;
    background: white;
    color: #384457;
}

.rule-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.monthly-total-grid,
.monthly-change-grid,
.trend-summary-grid {
    display: grid;
    gap: 12px;
}

.monthly-total-grid,
.monthly-change-grid {
    grid-template-columns: 1fr 1fr;
}

.trend-summary-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 22px;
}

.month-total-panel,
.change-metric {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.month-total-panel span,
.change-metric span {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.month-total-panel strong,
.change-metric strong {
    font-size: 21px;
}

.current-period {
    border-color: #bdd3f6;
    background: var(--blue-light);
}

.comparison-bar-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.comparison-bar-row {
    display: grid;
    grid-template-columns: 44px 1fr 100px;
    align-items: center;
    gap: 10px;
}

.bar-label {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.bar-value {
    font-size: 14px;
    text-align: right;
}

.comparison-bar-track {
    height: 14px;
    overflow: hidden;
    border-radius: 999px;
    background: #e8edf3;
}

.comparison-bar-fill {
    width: 0;
    height: 100%;
    border-radius: 999px;
    transition: width 0.25s ease;
}

.previous-bar {
    background: #aab3c0;
}

.current-bar {
    background: var(--blue);
}

.report-insight,
.category-insight,
.content-trend-fact {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f6f8fa;
    color: #4e5868;
    line-height: 1.7;
}

.difference-increase {
    color: var(--red) !important;
}

.difference-decrease {
    color: var(--blue) !important;
}

.difference-none {
    color: #596170 !important;
}

.positive-balance {
    color: var(--green) !important;
}

.negative-balance {
    color: var(--red) !important;
}

.category-report-item {
    padding: 20px 0;
    border-bottom: 1px solid #e9edf2;
}

.category-report-item:last-child {
    border-bottom: 0;
}

.category-report-header,
.report-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.trend-badge {
    padding: 5px 9px;
    border-radius: 999px;
    background: #f0f2f5;
    font-size: 12px;
    font-weight: bold;
}

.category-month-values,
.category-metrics,
.content-stats-grid {
    display: grid;
    gap: 9px;
    margin-top: 12px;
}

.category-month-values {
    grid-template-columns: 1fr 1fr;
}

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

.content-stats-grid {
    grid-template-columns: repeat(4, 1fr);
}

.category-month-value,
.category-metric,
.content-stat {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 11px;
    border: 1px solid var(--border);
    border-radius: 9px;
}

.category-month-value span,
.category-metric span,
.content-stat span {
    color: var(--muted);
    font-size: 12px;
    font-weight: bold;
}

.current-value,
.current-content-stat {
    border-color: #c4d8f7;
    background: #f5f9ff;
}

.category-bar-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.content-category-group {
    border-bottom: 1px solid #e9edf2;
}

.content-category-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 4px;
    cursor: pointer;
}

.content-category-name {
    margin-left: 8px;
}

.content-category-difference {
    font-size: 13px;
    font-weight: bold;
}

.content-group-body {
    padding: 0 4px 10px 24px;
}

.content-comparison-item {
    padding: 14px 0;
    border-top: 1px solid #eef1f4;
}

.content-comparison-name {
    font-size: 16px;
}

.missing-content {
    color: var(--muted);
}

.trend-category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.trend-category-button {
    min-height: 40px;
    padding: 7px 12px;
}

.trend-subtitle {
    margin-bottom: 14px;
}

.trend-chart {
    overflow-x: auto;
    overflow-y: hidden;
    margin: 22px 0;
    padding-bottom: 5px;
}

.trend-chart-plot {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(82px, 1fr));
    align-items: end;
    min-width: 560px;
    height: 230px;
    padding: 28px 8px 0;
    border-bottom: 1px solid #cfd6df;
}

.trend-chart-column {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-rows: 34px 150px 26px;
    align-items: end;
    height: 210px;
    padding: 0 5px;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
}

.trend-chart-value {
    align-self: start;
    font-size: 11px;
    font-weight: bold;
    text-align: center;
}

.trend-bar-slot {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
    height: 150px;
}

.trend-bar-fill {
    width: 55%;
    height: var(--bar-size);
    min-height: 0;
    border-radius: 7px 7px 0 0;
    background: var(--blue);
}

.trend-chart-column.highest .trend-bar-fill {
    background: var(--red);
}

.trend-chart-column.lowest .trend-bar-fill {
    background: #69a2f8;
}

.trend-chart-column.no-data {
    color: #9aa3af;
}

.trend-chart-month {
    align-self: center;
    font-size: 12px;
    font-weight: bold;
    text-align: center;
}

.trend-average-line {
    position: absolute;
    right: 8px;
    left: 8px;
    z-index: 1;
    border-top: 1px dashed var(--orange);
}

.trend-average-line span {
    position: absolute;
    top: -20px;
    right: 0;
    color: var(--orange);
    font-size: 11px;
    font-weight: bold;
}

.trend-data-table {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 10px;
}

.trend-table-header,
.trend-table-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.trend-table-header {
    background: #f0f3f7;
    color: #4f5866;
    font-size: 12px;
    font-weight: bold;
}

.trend-table-header span,
.trend-table-cell {
    padding: 11px;
    border-right: 1px solid var(--border);
}

.trend-table-header span:last-child,
.trend-table-cell:last-child {
    border-right: 0;
}

.trend-table-row {
    border-top: 1px solid var(--border);
}

.trend-table-cell {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.trend-table-label-mobile {
    display: none;
    color: var(--muted);
    font-size: 12px;
    font-weight: bold;
}

.trend-table-month,
.trend-table-value {
    font-weight: bold;
}

.content-trend-card {
    padding: 17px 0;
    border-bottom: 1px solid #e9edf2;
}

.content-trend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.content-trend-total {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.content-trend-months {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 7px;
    margin-top: 12px;
}

.content-trend-month {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 9px 5px;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
}

.content-trend-month span,
.content-trend-month small {
    color: var(--muted);
    font-size: 10px;
}

.content-trend-month.latest-month {
    border-color: #bcd3f6;
    background: #f4f8ff;
}

.content-trend-month.no-data {
    background: #f7f7f7;
    color: #999;
}

.trend-facts-list {
    list-style: none;
}

.trend-fact-item {
    position: relative;
    margin-bottom: 10px;
    padding: 14px 15px 14px 42px;
    border-radius: 10px;
    background: var(--orange-light);
    line-height: 1.7;
}

.trend-fact-item::before {
    position: absolute;
    top: 14px;
    left: 16px;
    content: "!";
    color: var(--orange);
    font-weight: bold;
}

.trend-fact-item.neutral {
    background: #f5f6f8;
    color: var(--muted);
}

.toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 10;
    max-width: min(420px, calc(100% - 40px));
    padding: 14px 18px;
    border-radius: 10px;
    background: #20242a;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.22);
}

.mobile-quick-add {
    display: none;
}

@media (max-width: 760px) {
    body {
        padding-bottom: calc(138px + env(safe-area-inset-bottom));
    }

    .header {
        padding: 15px;
    }

    .header h1 {
        font-size: 25px;
    }

    .container {
        margin-top: 12px;
        padding: 0 10px 30px;
    }

    .view-tabs {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 20;
        gap: 4px;
        margin: 0;
        padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -3px 18px rgba(25, 35, 50, 0.14);
    }

    .view-tab {
        min-height: 48px;
        padding: 8px 5px;
        font-size: 13px;
    }

    .mobile-quick-add {
        position: fixed;
        right: 16px;
        bottom: calc(72px + env(safe-area-inset-bottom));
        z-index: 19;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 148px;
        min-height: 50px;
        padding: 12px 20px;
        border: 0;
        border-radius: 999px;
        background: var(--blue);
        color: white;
        font-weight: bold;
        box-shadow: 0 5px 18px rgba(21, 101, 216, 0.3);
        cursor: pointer;
    }

    .toast {
        right: 12px;
        bottom: calc(138px + env(safe-area-inset-bottom));
        left: 12px;
        max-width: none;
    }

    .save-confirmation {
        position: fixed;
        top: calc(12px + env(safe-area-inset-top));
        right: 12px;
        left: 12px;
        z-index: 30;
        gap: 7px;
        margin: 0;
        padding: 18px;
        border-color: #14865f;
        background: #14865f;
        color: white;
        box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
        pointer-events: none;
        animation: save-confirmation-in 0.22s ease-out;
    }

    .save-confirmation strong {
        color: white;
        font-size: 20px;
    }

    .save-confirmation span {
        color: white;
        font-size: 16px;
        line-height: 1.6;
    }

    .card {
        padding: 18px;
    }

    .calendar-summary-grid,
    .household-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .calendar-day {
        min-height: 82px;
        padding: 5px;
    }

    .day-flow {
        font-size: 9px;
    }

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

    .content-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-heading {
        flex-direction: column;
        gap: 7px;
    }

    .section-heading > p {
        text-align: left;
    }

    .confirm-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .card {
        padding: 14px;
    }

    .month-header {
        grid-template-columns: 44px 1fr 44px;
        gap: 7px;
    }

    .month-header h2 {
        font-size: 19px;
    }

    .calendar-summary-grid,
    .household-summary-grid,
    .monthly-total-grid,
    .monthly-change-grid,
    .trend-summary-grid,
    .category-month-values,
    .category-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .summary-box,
    .household-summary-item,
    .trend-summary-item {
        padding: 11px;
    }

    .summary-box strong,
    .household-summary-item strong,
    .trend-summary-item strong {
        font-size: 17px;
    }

    .calendar-day {
        min-height: 70px;
        padding: 4px;
    }

    .day-flow {
        margin-top: 3px;
        font-size: 8px;
    }

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

    .input-card .choice-button {
        padding: 8px 4px;
        font-size: 13px;
    }

    .category-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-buttons:not(.show-all) .category-button.secondary-category {
        display: none;
    }

    .category-toggle-button {
        display: block;
    }

    .selected-date-box,
    .detail-item,
    .confirm-header,
    .rule-header,
    .content-trend-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .rule-actions {
        justify-content: flex-start;
    }

    .comparison-bar-row {
        grid-template-columns: 34px 1fr 76px;
        gap: 6px;
    }

    .bar-value {
        font-size: 11px;
    }

    .content-group-body {
        padding-left: 10px;
    }

    .trend-table-header {
        display: none;
    }

    .trend-table-row {
        grid-template-columns: 1fr;
        padding: 7px 0;
    }

    .trend-table-cell {
        padding: 6px 11px;
        border-right: 0;
    }

    .trend-table-label-mobile {
        display: inline;
    }

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

    .advanced-options summary,
    .settings-disclosure summary {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .advanced-options summary small,
    .settings-disclosure summary small {
        order: 3;
        width: 100%;
        margin-left: 0;
    }
}