/* ==========================================================================
   Trustworthy & Simple Design System (Professional Blue & Gray)
   ========================================================================== */

:root {
    /* Brand Colors - Professional & Trustworthy */
    --brand-primary: #0F172A;       /* Slate 900 - Headings, Main Text */
    --brand-accent: #2563EB;        /* Royal Blue - Actions, Links */
    --brand-accent-hover: #1D4ED8;  /* Darker Blue */
    --brand-highlight: #EFF6FF;     /* Light Blue - Backgrounds */

    /* Neutral Scale - Clean */
    --neutral-bg: #F8F9FA;          /* Page Background */
    --neutral-surface: #FFFFFF;     /* Card Background */
    --neutral-border: #E2E8F0;      /* Subtle Borders */
    --neutral-text: #475569;        /* Body Text */
    --neutral-muted: #94A3B8;       /* Muted Text */

    /* Functional Colors */
    --success: #059669;             /* Emerald 600 */
    --warning: #D97706;             /* Amber 600 */

    /* Dimensions */
    --container-width: 720px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background-color: var(--neutral-bg);
    color: var(--brand-primary);
    line-height: 1.5;
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
    background-image: linear-gradient(180deg, #f5f9ff 0%, #f8f9fa 180px);
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header - Simple & Clean */
.header {
    background-color: var(--neutral-surface);
    border-bottom: 1px solid var(--neutral-border);
    padding: 32px 0;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.header .logo {
    font-size: clamp(1.9rem, 3.3vw, 2.35rem);
    font-weight: 800;
    color: var(--brand-primary);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    line-height: 1.15;
}

.logo-link {
    color: inherit;
    text-decoration: none;
}

.logo-link:hover {
    color: var(--brand-accent);
}

.logo-link {
    display: inline-block;
    text-shadow: 0 1px 0 rgba(37, 99, 235, 0.08);
}

.header p {
    font-size: 0.95rem;
    color: var(--neutral-text);
    font-weight: 400;
}

.site-nav {
    margin-top: 14px;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
    display: none;
}

.site-nav a {
    text-decoration: none;
    color: var(--brand-accent);
    border: 1px solid var(--neutral-border);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.88rem;
    background: #fff;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.site-nav a:hover {
    border-color: #bfd4ea;
    background: var(--brand-highlight);
}

.site-nav a.active,
.site-nav a[aria-current="page"] {
    background: var(--brand-accent);
    border-color: var(--brand-accent);
    color: #fff;
}

/* Main Content */
.main-content {
    padding-bottom: 80px;
}

/* Card Component - Minimalist */
.card {
    background: var(--neutral-surface);
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.03);
}

.card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--brand-primary); /* Strong underline */
}

.service-tabs-wrap {
    margin-bottom: 16px;
}

.service-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.service-tab {
    border: 1px solid var(--neutral-border);
    background: #fff;
    color: var(--neutral-text);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.service-tab:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.service-tab.active {
    background: var(--brand-primary);
    color: #fff;
    border-color: var(--brand-primary);
}

.service-panel {
    display: none;
}

.service-panel.active {
    display: block;
}

/* Form Styles */
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand-primary);
}

select,
input:not([type="checkbox"]) {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    color: var(--brand-primary);
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-sm);
    background-color: var(--neutral-surface);
    transition: border-color 0.2s;
}

select:focus,
input:not([type="checkbox"]):focus {
    outline: none;
    border-color: var(--brand-accent);
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--brand-accent);
    outline-offset: 2px;
}

select:disabled {
    background-color: var(--neutral-bg);
    color: var(--neutral-muted);
}

/* Button - Professional */
.btn-primary {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: var(--brand-accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: var(--brand-accent-hover);
}

.btn-primary:disabled {
    background-color: #93C5FD;
    cursor: not-allowed;
}

.btn-secondary {
    border: 1px solid var(--neutral-border);
    background: #fff;
    color: var(--brand-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary.active {
    background-color: var(--brand-primary);
    color: #fff;
    border-color: var(--brand-primary);
}

.btn-icon-toggle.active {
    background-color: var(--brand-highlight);
    color: var(--brand-accent);
    border-color: #93C5FD;
}

.btn-danger {
    border: none;
    background: #EF4444;
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
}

.btn-danger:disabled {
    background: #CBD5E1;
    cursor: not-allowed;
}

.form-error {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid #FECACA;
    background-color: #FEF2F2;
    color: #B91C1C;
    font-size: 0.9rem;
}

.check-option {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-sm);
    background: #fff;
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand-primary);
}

.check-option:hover {
    border-color: #93C5FD;
    background: #F8FAFC;
}

.check-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-accent);
    flex-shrink: 0;
    margin: 0;
}

.check-option:has(input[type="checkbox"]:checked) {
    border-color: var(--brand-accent);
    background: var(--brand-highlight);
}

/* Comparison Section */
.comparison-card {
    background-color: var(--brand-highlight);
    border: 1px solid #BFDBFE;
}

.comparison-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-accent);
    text-align: center;
    margin-bottom: 24px;
}

.comparison-box {
    display: flex;
    justify-content: space-between; /* Side by side on desktop */
    gap: 20px;
}

.rank-item {
    flex: 1;
    background: var(--neutral-surface);
    padding: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--neutral-border);
    text-align: center;
}

.rank-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 99px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.rank-item.max .rank-label {
    background-color: #FEF3C7;
    color: #B45309;
}

.rank-item.min .rank-label {
    background-color: #F3F4F6;
    color: #6B7280;
}

.rank-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.rank-amount {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--brand-accent);
}

.rank-detail {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--neutral-text);
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.comparison-note {
    margin-top: 14px;
    font-size: 0.85rem;
    color: var(--neutral-muted);
}

/* Checklist Section */
.checklist-card {
    border-left: 4px solid var(--success);
}

.checklist-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--success);
    margin-bottom: 16px;
}

.d-day-badge {
    background-color: var(--success);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    margin-left: 8px;
}

.d-day-message {
    font-size: 0.95rem;
    background-color: #ECFDF5;
    padding: 12px;
    border-radius: var(--radius-sm);
    color: #065F46;
    margin-bottom: 16px;
}

.checklist-items li {
    list-style: none;
    padding: 8px 0;
    border-bottom: 1px solid var(--neutral-border);
    font-size: 0.95rem;
    color: var(--neutral-text);
}

.checklist-items li::before {
    content: "•";
    color: var(--success);
    margin-right: 8px;
    font-weight: bold;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--neutral-border);
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    padding: 14px;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--neutral-muted);
    cursor: pointer;
}

.tab-btn.active {
    color: var(--brand-primary);
    font-weight: 700;
    border-bottom: 2px solid var(--brand-primary);
    margin-bottom: -2px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.segment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 8px 0 12px;
}

.segment-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-subsection {
    margin-bottom: 16px;
    padding: 16px;
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-sm);
    background: #F8FAFC;
}

.planner-section {
    margin-bottom: 18px;
    padding-bottom: 6px;
}

.section-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--brand-primary);
    margin-bottom: 12px;
}

.readonly-hint {
    margin-top: 4px;
    font-size: 0.76rem;
    color: var(--neutral-muted);
}

input[readonly] {
    background: #F8FAFC;
    color: var(--neutral-text);
}

.help-tooltip {
    display: inline-flex;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-left: 6px;
    background: #E2E8F0;
    color: #334155;
    font-size: 0.75rem;
    font-weight: 800;
    cursor: help;
    border: none;
}

.help-tooltip[aria-expanded="true"] {
    background: #DBEAFE;
    color: #1E3A8A;
}

.help-tooltip-text {
    display: block;
    margin-top: 8px;
    font-size: 0.8rem;
    line-height: 1.45;
    color: #1F2937;
    background: #F8FAFC;
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    padding: 8px 10px;
}

.preset-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 8px;
}

.preset-range-control {
    width: 100%;
    display: grid;
    grid-template-columns: 72px 120px auto;
    gap: 8px;
    align-items: center;
}

.preset-range-control label {
    font-size: 0.82rem;
    color: var(--neutral-text);
    font-weight: 600;
}

.preset-range-control input[type="number"] {
    width: 100%;
}

.preset-range-control strong {
    min-width: 52px;
    font-size: 0.86rem;
    color: var(--brand-primary);
}

.segment-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 18px;
}

.segment-row {
    display: grid;
    grid-template-columns: 64px 1fr 24px 1fr 60px;
    align-items: center;
    gap: 8px;
}

.planner-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 16px;
}

.planner-badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--brand-highlight);
    color: var(--brand-accent);
    font-size: 0.82rem;
    font-weight: 700;
    border: 1px solid #BFDBFE;
}

.planner-badge.muted {
    background: #F8FAFC;
    color: var(--neutral-text);
    border-color: var(--neutral-border);
}

.table-wrap {
    overflow-x: auto;
}

.payment-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.payment-table th,
.payment-table td {
    border-bottom: 1px solid var(--neutral-border);
    padding: 10px 8px;
    text-align: left;
    font-size: 0.82rem;
    vertical-align: top;
    white-space: nowrap;
}

.payment-table th {
    color: var(--neutral-text);
    background: #F8FAFC;
}

.payment-mobile-cards {
    display: none;
}

.payment-mobile-card {
    border: 1px solid var(--neutral-border);
    border-radius: 10px;
    padding: 12px;
    background: #fff;
    margin-bottom: 10px;
}

.payment-mobile-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.payment-mobile-card-month {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--brand-primary);
}

.payment-mobile-card-total {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--brand-accent);
}

.payment-mobile-card-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding: 3px 0;
    font-size: 0.82rem;
    color: var(--neutral-text);
}

.payment-mobile-card-row span:first-child {
    color: var(--neutral-muted);
    font-weight: 600;
}

.holiday-status {
    margin-bottom: 10px;
    font-size: 0.82rem;
    color: #1E3A8A;
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: 8px;
    padding: 8px 10px;
}

.holiday-status.is-error {
    color: #B45309;
    background: #FFFBEB;
    border-color: #FCD34D;
}

.empty-table {
    color: var(--neutral-muted);
    text-align: center;
}

.payment-chart-section {
    margin-top: 16px;
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-md);
    padding: 12px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.payment-chart-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.payment-chart-toolbar strong {
    font-size: 0.92rem;
    color: var(--neutral-text);
}

.payment-chart-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.payment-chart-toggles .btn-secondary {
    padding: 6px 10px;
    font-size: 0.76rem;
}

.payment-chart-toggles .btn-secondary.active {
    background: #DBEAFE;
    border-color: #93C5FD;
    color: #1E3A8A;
}

.payment-chart-wrap {
    position: relative;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
}

#paymentChartSvg {
    display: block;
    width: 100%;
    height: auto;
}

.payment-chart-tooltip {
    position: absolute;
    z-index: 20;
    min-width: 172px;
    max-width: 220px;
    pointer-events: none;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #BFDBFE;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
    font-size: 0.74rem;
    color: #1F2937;
}

.payment-chart-tooltip strong {
    display: block;
    margin-bottom: 4px;
}

.payment-chart-tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    white-space: nowrap;
}

.payment-chart-totals {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.payment-chart-totals > div {
    border: 1px solid var(--neutral-border);
    border-radius: 10px;
    padding: 10px;
    background: #fff;
}

.payment-chart-totals span {
    display: block;
    font-size: 0.74rem;
    color: var(--neutral-text);
}

.payment-chart-totals strong {
    display: block;
    margin-top: 4px;
    font-size: 0.92rem;
    color: var(--brand-primary);
}

.calendar-help {
    color: var(--neutral-text);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.calendar-toolbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 12px;
    gap: 12px;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar-edit-toolbar {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    margin-bottom: 12px;
}

.calendar-edit-block {
    border: 1px solid var(--neutral-border);
    border-radius: 10px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    padding: 12px;
}

.calendar-edit-block strong {
    display: block;
    margin-bottom: 8px;
    font-size: 0.84rem;
    color: var(--neutral-text);
}

.calendar-input-grid {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 10px;
    align-items: center;
}

.calendar-input-grid label {
    font-size: 0.78rem;
    color: var(--neutral-text);
    font-weight: 600;
}

.calendar-input-grid .btn-secondary {
    width: fit-content;
}

.calendar-actor-tabs {
    display: inline-flex;
    gap: 6px;
    margin-bottom: 8px;
}

.calendar-actor-tabs .btn-secondary {
    padding: 5px 10px;
    font-size: 0.76rem;
}

.calendar-actor-tabs .btn-secondary.active {
    background: #DBEAFE;
    border-color: #93C5FD;
    color: #1E3A8A;
}

#calendarChildcareRemainingInfo {
    grid-column: 1 / -1;
    margin: 0;
}

#calendarChildbirthInfo {
    grid-column: 1 / -1;
    margin: 0;
}

.calendar-action-row {
    grid-column: 1 / -1;
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: flex-start;
}

.calendar-days-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar-days-row input[type="number"] {
    width: 100%;
}

.calendar-inline-hint {
    font-size: 0.74rem;
    color: var(--neutral-text);
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: 999px;
    padding: 3px 8px;
    white-space: nowrap;
}

.calendar-nav-inline {
    margin: 6px 0 10px;
    justify-content: space-between;
}

.calendar-nav-left {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.calendar-nav-meta {
    font-size: 0.84rem;
    color: var(--neutral-text);
    font-weight: 700;
    background: #F8FAFC;
    border: 1px solid var(--neutral-border);
    border-radius: 999px;
    padding: 4px 10px;
}

.planner-calendar-grid {
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.calendar-header div {
    background: #F8FAFC;
    border-bottom: 1px solid var(--neutral-border);
    padding: 8px 6px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--neutral-text);
    font-weight: 700;
}

.calendar-day {
    min-height: 76px;
    border-right: 1px solid var(--neutral-border);
    border-bottom: 1px solid var(--neutral-border);
    padding: 6px;
    background: #fff;
    cursor: default;
}

.calendar-row .calendar-day:last-child,
.calendar-header div:last-child {
    border-right: none;
}

.calendar-day.other-month {
    background:
        repeating-linear-gradient(
            -45deg,
            #F8FAFC,
            #F8FAFC 6px,
            #F1F5F9 6px,
            #F1F5F9 12px
        );
    color: #94A3B8;
    opacity: 0.78;
}

.calendar-day.weekend {
    background: #FFFBEB;
}

.calendar-day.today {
    box-shadow: inset 0 0 0 2px #60A5FA;
}

.calendar-day.drag-preview {
    background: #DBEAFE;
}

.calendar-day-top {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
}

.calendar-holiday-row {
    margin-top: 1px;
    min-height: 0.72rem;
}

.day-num {
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.holiday-label {
    font-size: clamp(0.5rem, 1.35vw, 0.62rem);
    color: #DC2626;
    display: block;
    width: 100%;
    text-align: left;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.day-marks {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 6px;
}

.day-mark {
    font-size: 0.58rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 1px 4px;
    display: block;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.day-mark.is-split {
    white-space: normal;
    overflow: hidden;
    line-height: 1.05;
}

.day-mark.is-split .mark-main,
.day-mark.is-split .mark-sub {
    display: block;
}

.day-mark.is-split .mark-sub {
    margin-top: 1px;
}

.day-mark.connect-prev {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.day-mark.connect-next {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.day-mark.childbirth {
    background: #FECACA;
    color: #991B1B;
}

.day-mark.childcare {
    background: #DBEAFE;
    color: #1E3A8A;
}

.day-mark.return {
    background: #D1FAE5;
    color: #065F46;
}

.calendar-message {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--neutral-text);
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--neutral-text);
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.legend-dot.childbirth { background: #FCA5A5; }
.legend-dot.childcare { background: #60A5FA; }
.legend-dot.return { background: #34D399; }
.legend-dot.holiday { background: #EF4444; }

@media (max-width: 920px) {
    .calendar-edit-toolbar {
        grid-template-columns: 1fr;
    }

    .calendar-nav-inline {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* Benefit List */
.info-banner {
    font-size: 0.9rem;
    color: var(--neutral-text);
    background-color: var(--neutral-bg);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.benefit-card {
    background-color: var(--neutral-surface);
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-bottom: 16px;
}

.benefit-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.badge-child {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #1E3A8A;
    background-color: #DBEAFE;
    vertical-align: middle;
}

.benefit-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-accent);
    margin-bottom: 16px;
}

.benefit-detail {
    font-size: 0.9rem;
    color: var(--neutral-text);
    margin-bottom: 4px;
    display: flex;
}

.benefit-detail strong {
    min-width: 60px;
    color: var(--neutral-muted);
    font-weight: 500;
}

.no-data {
    border: 1px dashed var(--neutral-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    color: var(--neutral-text);
    background-color: var(--neutral-bg);
}

/* Summary Section - Receipt Style Refined */
.summary-card {
    background-color: #FFFFFF;
    border: 1px solid var(--neutral-border);
    padding: 40px;
    margin-top: 40px;
}

.summary-card h3 {
    color: var(--brand-primary);
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--brand-primary);
    text-align: center;
}

.summary-section {
    margin-bottom: 32px;
}

.summary-header {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--neutral-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--neutral-bg);
    font-size: 1rem;
}

.summary-row span:first-child {
    color: var(--neutral-text);
}

.summary-row span:last-child {
    font-weight: 600;
    color: var(--brand-primary);
}

.total-amount-row {
    margin-top: 40px;
    padding: 32px;
    background-color: var(--brand-highlight);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #BFDBFE;
}

.total-amount-row span:first-child {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-accent);
}

.total-amount-row span:last-child {
    font-size: 2rem;
    font-weight: 900;
    color: var(--brand-accent);
    letter-spacing: -0.02em;
}

.note-text {
    font-size: 0.85rem;
    color: var(--neutral-muted);
    margin-top: 20px;
    text-align: right;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    color: var(--neutral-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--neutral-border);
    margin-top: 60px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 14px;
}

.footer-links a {
    color: var(--brand-accent);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

.btn-official {
    display: block;
    text-align: center;
    background-color: var(--brand-primary);
    color: white;
    padding: 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    margin-top: 24px;
}

.btn-official:hover {
    background-color: #1E293B;
}

.official-link-section {
    margin-top: 32px;
}

.official-guide-text {
    color: var(--neutral-text);
    line-height: 1.6;
}

.disclaimer-section {
    margin-top: 32px;
    padding: 20px;
    background-color: var(--neutral-bg);
    border-radius: var(--radius-sm);
}

.disclaimer {
    font-size: 0.8rem;
    color: var(--neutral-muted);
    margin-bottom: 4px;
}

.adsense-wrap {
    padding: 20px;
}

.adsense-label {
    font-size: 0.75rem;
    color: var(--neutral-muted);
    margin-bottom: 10px;
}

.adsense-unit {
    width: 100%;
    min-height: 100px;
}

.crawler-content p {
    color: var(--neutral-text);
    margin-bottom: 10px;
}

.quick-link-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.quick-link-card {
    text-decoration: none;
    color: var(--brand-primary);
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: #fff;
    transition: all 0.2s ease;
}

.quick-link-card strong {
    display: block;
    margin-bottom: 4px;
    color: var(--brand-accent);
}

.quick-link-card span {
    display: block;
    color: var(--neutral-text);
    font-size: 0.88rem;
}

.quick-link-card:hover {
    border-color: #93c5fd;
    background: #f8fbff;
    transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .card,
    .summary-card {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
    }

    .service-tabs {
        grid-template-columns: 1fr;
    }

    .site-nav {
        justify-content: flex-start;
        gap: 8px;
    }

    .quick-link-grid {
        grid-template-columns: 1fr;
    }

    .segment-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .segment-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .calendar-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .payment-chart-totals {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .table-wrap {
        display: none;
    }

    .payment-mobile-cards {
        display: block;
    }

    .calendar-day {
        min-height: 80px;
    }

    .day-num {
        font-size: 0.68rem;
    }

    .holiday-label {
        font-size: clamp(0.42rem, 1.25vw, 0.52rem);
    }

    .day-mark {
        font-size: 0.5rem;
        padding: 1px 3px;
    }

    .day-mark.is-split {
        line-height: 1;
    }

    .checklist-header h3 {
        font-size: 0.96rem;
    }

    .d-day-badge {
        font-size: 0.66rem;
        padding: 2px 6px;
        margin-left: 6px;
    }

    .d-day-message {
        font-size: 0.82rem;
        padding: 10px;
    }
    
    .comparison-box {
        flex-direction: column;
    }

    .total-amount-row {
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .total-amount-row span:last-child {
        font-size: 1.5rem;
    }

    .adsense-wrap {
        padding: 16px;
    }
}
.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 5px solid var(--brand-highlight);
  border-bottom-color: var(--brand-primary);
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
}

@keyframes rotation {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hidden {
  display: none;
}