body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.page-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    background: transparent;
}

.calculator {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .calculator {
        width: 80%;
    }
}

@media (max-width: 480px) {
    .calculator {
        width: 95%;
    }
}

h1, h2, h3 {
    margin-top: 0;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
}

.date-container {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.date-container > div {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.date-container > div > label {
    margin: 0;
    white-space: nowrap;
    min-width: 96px;
}

.date-container > div > input,
.date-container > div > select,
.date-container > div > textarea {
    flex: 1;
    margin-bottom: 0;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
}

input, select, button, textarea {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

textarea {
    resize: vertical;
}

.repayment-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 10px;
}

.repayment-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 10px;
    align-items: center;
}

.repayment-row input {
    margin-bottom: 0;
}

.repayment-remove,
.repayment-add {
    margin-bottom: 0;
    padding: 10px 12px;
    height: 44px;
    line-height: 1;
    white-space: nowrap;
    background: #fff;
}

.repayment-remove:hover,
.repayment-add:hover {
    background: #f7f7f7;
}

.repayment-add {
    width: fit-content;
}

.repayment-row input[type="date"] {
    min-width: 140px;
}

.repayment-row input[type="number"] {
    min-width: 140px;
}

.extra-fund-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
    margin-bottom: 10px;
}

.extra-fund-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 10px;
    align-items: center;
}

.extra-fund-row input {
    margin-bottom: 0;
}

.extra-fund-row input[type="text"] {
    min-width: 140px;
}

.hk-advanced {
    margin-top: 12px;
}

.hk-advanced-summary {
    cursor: pointer;
    font-weight: 700;
    user-select: none;
}

.hk-advanced-body {
    padding-top: 4px;
}

.hk-form-hint {
    margin-top: 10px;
    padding: 12px 14px;
    border: 1px solid #ffeeba;
    border-left: 5px solid #ffc107;
    background: #fff8e1;
    color: #6c4b00;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.form-group {
    margin-bottom: 20px;
    background-color: #f0f7ff;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e0f0ff;
}

.form-group.inline {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group.two-column {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.form-group.two-column > .two-column-item {
    flex: 1 1 340px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
}

.form-group.two-column > .two-column-item > label {
    margin: 0;
    white-space: nowrap;
    min-width: 0;
}

.form-group.two-column > .two-column-item > .year-days-mode {
    flex: 1;
    margin-bottom: 0;
}

.form-group.inline > label {
    margin: 0;
    white-space: nowrap;
    min-width: 96px;
}

.form-group.inline > input,
.form-group.inline > select,
.form-group.inline > textarea,
.form-group.inline > .year-days-mode {
    flex: 1;
    margin-bottom: 0;
}

.form-group.lpr-multiplier-group {
    display: grid;
    grid-template-columns: 96px 1fr;
    column-gap: 12px;
    row-gap: 10px;
    align-items: center;
}

.form-group.lpr-multiplier-group > label {
    margin: 0;
    white-space: nowrap;
    min-width: 0;
}

.form-group.lpr-multiplier-group > .lpr-multiplier-row {
    grid-column: 2;
}

.form-group.lpr-multiplier-group > .lpr-multiplier-hint {
    grid-column: 1 / -1;
}

@media (max-width: 480px) {
    .form-group.lpr-multiplier-group {
        grid-template-columns: 1fr;
    }

    .form-group.lpr-multiplier-group > .lpr-multiplier-row,
    .form-group.lpr-multiplier-group > .lpr-multiplier-hint {
        grid-column: 1;
    }

    .repayment-row {
        grid-template-columns: 1fr;
    }

    .extra-fund-row {
        grid-template-columns: 1fr;
    }

    .repayment-add {
        width: 100%;
    }
}

.lpr-multiplier-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    min-width: 0;
}

.lpr-multiplier-input {
    width: 110px;
    max-width: 110px;
    margin-bottom: 0;
}

.lpr-multiplier-start {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    min-width: 0;
}

.lpr-multiplier-start > label {
    margin: 0;
    white-space: nowrap;
    flex: 0 0 auto;
}

.lpr-multiplier-start-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 260px;
    min-width: 220px;
}

.lpr-multiplier-start-row > input[type="date"] {
    flex: 1;
    min-width: 140px;
    margin-bottom: 0;
}

.lpr-multiplier-shortcut {
    padding: 12px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    white-space: nowrap;
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    line-height: 1;
    flex: 0 0 auto;
    position: relative;
    z-index: 1;
}

.lpr-multiplier-shortcut:hover {
    background: #f7f7f7;
}

.lpr-multiplier-hint {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid #ffeeba;
    border-left: 5px solid #ffc107;
    background: #fff8e1;
    color: #6c4b00;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
}

.year-days-mode {
    display: flex;
    gap: 20px;
    margin-bottom: 0;
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 8px;
}

.days-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 15px;
    border: 2px solid #bbdefb;
    border-radius: 8px;
    cursor: pointer;
    background-color: #fff;
    flex: 1;
}

.days-option input[type="radio"] {
    margin: 0;
}

.days-option label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
}

.days-option:has(input[type="radio"]:checked) {
    background-color: #bbdefb;
    border-color: #007bff;
    color: #007bff;
}

.calculate-btn {
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.calculate-btn:hover {
    background-color: #0056b3;
}

.result-container {
    margin: 20px 0;
    max-height: none;
    overflow: visible;
}

.result-box {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.result-section p {
    font-size: 16px;
    margin: 12px 0;
    color: #333;
}

.highlight {
    color: #007bff;
    font-weight: 700;
}

.calculation-details {
    margin-top: 20px;
    background-color: #fff;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #c8e6c9;
}

.calculation-details h4 {
    margin: 0 0 15px 0;
    color: #1976d2;
    font-size: 18px;
}

.steps-section {
    margin-top: 12px;
}

.calculation-step {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px;
    margin: 10px 0;
}

.calculation-step h5 {
    margin: 0 0 8px 0;
    color: #1976d2;
}

.error-message {
    border: 1px solid #ffccc7;
    background: #fff1f0;
    border-radius: 8px;
    padding: 14px;
    color: #a8071a;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.error-icon {
    line-height: 1.2;
}

.error-text {
    flex: 1;
}

.phase-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.phase-block {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    background: #fafafa;
    overflow: hidden;
}

.phase-header {
    padding: 14px 14px 10px 14px;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.phase-title {
    font-size: 16px;
    font-weight: 700;
    color: #1976d2;
    margin-bottom: 10px;
}

.phase-summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
}

.phase-summary-item {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 10px 12px;
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 8px;
    min-width: 0;
}

.phase-label {
    color: #666;
    font-size: 13px;
    white-space: nowrap;
}

.phase-value {
    color: #111;
    font-weight: 600;
    min-width: 0;
    word-break: break-word;
}

.phase-repayment {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed #e3f2fd;
}

.phase-repayment-title {
    font-weight: 700;
    color: #1976d2;
    margin-bottom: 10px;
}

.phase-repayment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px 14px;
}

.phase-subsegments {
    padding: 14px;
}

.phase-subsegments-title {
    font-weight: 700;
    color: #1976d2;
    margin-bottom: 10px;
}

.phase-empty {
    padding: 12px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    color: #666;
}

.subsegment-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 12px;
    margin-top: 10px;
}

.subsegment-title {
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.subsegment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
}

.subsegment-item {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 10px 12px;
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 8px;
    min-width: 0;
}

.schedule-table-title {
    margin-top: 18px;
}

.schedule-table-wrapper {
    margin-top: 10px;
    overflow-x: auto;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    background: #fff;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 980px;
}

.schedule-table th,
.schedule-table td {
    padding: 10px 10px;
    border-bottom: 1px solid #eee;
    font-size: 13px;
    text-align: left;
    white-space: nowrap;
}

.schedule-table th {
    background: #f8f9fa;
    color: #333;
    font-weight: 700;
}

.schedule-table tbody tr:hover {
    background: #fafafa;
}

.fund-type-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fund-toggle-btn {
    appearance: none;
    border: 1px solid #cce5ff;
    background: #f0f7ff;
    color: #1a73e8;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 12px;
    cursor: pointer;
    line-height: 1.6;
}

.fund-toggle-btn:hover {
    border-color: #1a73e8;
    background: #cce5ff;
}

.fund-detail-row td {
    white-space: normal;
    padding: 0;
}

.fund-detail-box {
    margin: 6px 10px 10px 10px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #cce5ff;
    background: #f0f7ff;
    color: #1a73e8;
    font-weight: 600;
    word-break: break-word;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: space-between;
}

.fund-detail-text {
    flex: 1;
    min-width: 0;
}

.export-actions {
    display: flex;
    justify-content: flex-end;
    margin: 10px 0;
}

.export-btn {
    appearance: none;
    border: 1px solid #bbdefb;
    background: #e3f2fd;
    color: #1976d2;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    font-weight: 700;
}

.export-btn:hover {
    border-color: #007bff;
    background: #bbdefb;
    color: #007bff;
}

.export-btn.secondary {
    margin-right: 10px;
    border-color: #cce5ff;
    background: #f0f7ff;
    color: #1a73e8;
}

.export-btn.secondary:hover {
    border-color: #1a73e8;
    background: #cce5ff;
    color: #1a73e8;
}

@media (max-width: 860px) {
    .phase-summary-grid {
        grid-template-columns: 1fr;
    }

    .phase-repayment-grid {
        grid-template-columns: 1fr;
    }

    .subsegment-grid {
        grid-template-columns: 1fr;
    }
}