/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #0f2b46;
    --primary-light: #1e3a5f;
    --secondary-color: #4a5568;
    --accent-color: #2b6cb0;
    --accent-light: #ebf8ff;
    --bg-color: #f7fafc;
    --card-bg: #ffffff;
    --text-color: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --success-color: #2c7a7b;
    --success-light: #e6fffa;
    --warning-color: #dd6b20;
    --warning-light: #fffaf0;
    --danger-color: #e53e3e;
    --radius: 6px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    padding-bottom: 60px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 24px 30px;
    border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: 4px solid var(--accent-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

header .meta {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: right;
}

/* Tabs Navigation */
.tabs-nav {
    display: flex;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    border-radius: 0 0 var(--radius) var(--radius);
    overflow-x: auto;
}

.tab-btn {
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    padding: 15px 25px;
    border: none;
    background: none;
    color: var(--secondary-color);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: #f7fafc;
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background-color: var(--accent-light);
    font-weight: 600;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards & Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.form-row-item {
    display: grid;
    grid-template-columns: 40px 1fr 160px;
    align-items: center;
    gap: 15px;
    padding: 8px 12px;
    border-bottom: 1px solid #f7fafc;
    transition: var(--transition);
}

.form-row-item:hover {
    background-color: #fafdff;
}

.form-row-item:last-child {
    border-bottom: none;
}

.form-row-income {
    display: grid;
    grid-template-columns: 40px 1fr auto 160px;
    align-items: center;
    gap: 15px;
    padding: 8px 12px;
    border-bottom: 1px solid #f7fafc;
    transition: var(--transition);
}

.form-row-income:hover {
    background-color: #fafdff;
}

.form-row-income:last-child {
    border-bottom: none;
}

.form-row-wide {
    display: grid;
    grid-template-columns: 40px 1fr 300px;
    align-items: center;
    gap: 15px;
    padding: 8px 12px;
    border-bottom: 1px solid #f7fafc;
    transition: var(--transition);
}

.form-row-wide:hover {
    background-color: #fafdff;
}

.form-row-wide:last-child {
    border-bottom: none;
}

.form-row-wide select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-color);
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.form-row-wide select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.item-num {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    background-color: var(--bg-color);
    height: 24px;
    width: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.item-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
}

.item-label small {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: normal;
    margin-top: 2px;
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 8px 12px 8px 24px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-color);
    text-align: right;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

/* Specific styling for switches and checkboxes */
.switch-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    background-color: var(--bg-color);
    padding: 12px 15px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.switch-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    flex-grow: 1;
}

/* Custom Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e0;
    transition: .3s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

/* Checkbox button */
.checkbox-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-weight: 500;
    font-size: 0.95rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #2b6cb0;
}

.btn-secondary {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: #edf2f7;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c53030;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

/* Children management */
.child-item {
    display: grid;
    grid-template-columns: 1.5fr 140px 180px 180px 240px 90px;
    gap: 15px;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 12px;
    background-color: #fafdff;
    animation: fadeIn 0.2s ease-out;
}

.child-item select, .child-item input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
}

.child-item select:focus, .child-item input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.child-headers {
    display: grid;
    grid-template-columns: 1.5fr 140px 180px 180px 240px 90px;
    gap: 15px;
    padding: 0 15px 8px 15px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

/* Results styles */
.result-section {
    margin-bottom: 30px;
}

.result-section h3 {
    font-family: 'Outfit', sans-serif;
    color: var(--primary-color);
    font-size: 1.15rem;
    font-weight: 700;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 5px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.result-table th, .result-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.result-table th {
    background-color: var(--bg-color);
    color: var(--primary-color);
    font-weight: 600;
}

.result-table tr:hover {
    background-color: #fcfdfd;
}

.result-table td.amount {
    text-align: right;
    font-family: monospace;
    font-weight: 500;
}

.result-table th.amount {
    text-align: right;
}

.result-table tr.total-row {
    font-weight: 700;
    background-color: #f7fafc;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.result-table tr.total-row td {
    color: var(--primary-color);
}

.result-summary-card {
    background-color: var(--accent-light);
    border: 1px solid #bee3f8;
    color: #2b6cb0;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-summary-amount {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
}

/* Alert Boxes / Callouts */
.alert {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.4;
    border: 1px solid transparent;
}

.alert-info {
    background-color: #ebf8ff;
    border-color: #bee3f8;
    color: #2b6cb0;
}

.alert-warning {
    background-color: #fffaf0;
    border-color: #feebc8;
    color: #dd6b20;
}

.alert-success {
    background-color: #e6fffa;
    border-color: #b2f5ea;
    color: #2c7a7b;
}

/* Calculation Details Panel */
.calc-step-panel {
    background-color: #f8fafc;
    border-left: 4px solid var(--accent-color);
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.calc-step-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.calc-step-body {
    font-size: 0.88rem;
    color: var(--secondary-color);
}

.calc-formula {
    background-color: #edf2f7;
    padding: 6px 12px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.85rem;
    margin: 8px 0;
    display: inline-block;
    color: var(--primary-color);
}

/* Accordion Styles */
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 15px;
    background-color: var(--card-bg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    background-color: var(--bg-color);
    padding: 15px 20px;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: #edf2f7;
}

.accordion-item.open .accordion-header {
    border-bottom-color: var(--border-color);
    background-color: var(--accent-light);
    color: var(--accent-color);
}

.accordion-header .icon {
    font-size: 0.8rem;
    transition: transform 0.2s ease-in-out;
}

.accordion-item.open .accordion-header .icon {
    transform: rotate(90deg);
}

.accordion-content {
    display: none;
    padding: 20px;
}

.accordion-item.open .accordion-content {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sub-sections within Accordion */
.section-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    overflow-x: auto;
}

.section-btn {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.section-btn:hover {
    background-color: #edf2f7;
}

.section-btn.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.section-pane {
    display: none;
}

.section-pane.active {
    display: block;
}

/* Box 1 Tax Accordion Styles */
.tax-box1-header-row {
    cursor: pointer;
    user-select: none;
}

.tax-box1-header-row:hover {
    background-color: #edf2f7 !important;
}

.tax-box1-icon {
    display: inline-block;
    width: 12px;
    margin-right: 6px;
    font-size: 0.75rem;
    transition: transform 0.2s ease-in-out;
}

.tax-box1-detail-row {
    display: none;
    background-color: #f7fafc;
}

.tax-box1-detail-row.open {
    display: table-row;
}

.tax-box1-detail-row td:first-child {
    padding-left: 28px !important;
    font-style: italic;
}

.tax-box1-sub-detail-row td:first-child {
    padding-left: 44px !important;
    font-style: italic;
}

/* KGB Accordion Styles */
.kgb-header-row {
    cursor: pointer;
    user-select: none;
}

.kgb-header-row:hover {
    background-color: #edf2f7 !important;
}

.kgb-icon {
    display: inline-block;
    width: 12px;
    margin-right: 6px;
    font-size: 0.75rem;
    transition: transform 0.2s ease-in-out;
}

.kgb-detail-row {
    display: none;
    background-color: #f7fafc;
}

.kgb-detail-row.open {
    display: table-row;
}

.kgb-detail-row td:first-child {
    padding-left: 28px !important;
    font-style: italic;
}

/* Print Specific Styling */
@media print {
    body {
        background-color: white;
        color: black;
        padding: 0;
        font-size: 11pt;
    }

    .container {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }

    header {
        background-color: transparent !important;
        border-bottom: 2px solid black !important;
        color: black !important;
        padding: 10px 0 !important;
        margin-bottom: 20px !important;
    }

    header h1 {
        font-size: 1.6rem !important;
    }

    .tabs-nav, .btn, .child-item button, .no-print {
        display: none !important;
    }

    .tab-content {
        display: none !important;
    }

    .tab-content#resultTab {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin-bottom: 0 !important;
        background-color: transparent !important;
    }

    .result-table th {
        background-color: #f2f2f2 !important;
        color: black !important;
        border-bottom: 1px solid black !important;
    }

    .result-table td, .result-table th {
        border-bottom: 1px solid #ccc !important;
        padding: 6px 8px !important;
    }

    .result-summary-card {
        background-color: #f2f5f8 !important;
        border: 2px solid black !important;
        color: black !important;
        margin-top: 30px !important;
        page-break-inside: avoid;
    }

    .result-summary-amount {
        font-size: 1.8rem !important;
    }

    .alert {
        border: 1px solid black !important;
        background-color: transparent !important;
        color: black !important;
        page-break-inside: avoid;
    }

    .calc-step-panel {
        background-color: transparent !important;
        border-left: 3px solid black !important;
        page-break-inside: avoid;
    }

    /* Accordion Print Overrides */
    .accordion-item {
        border: none !important;
        box-shadow: none !important;
        background-color: transparent !important;
        margin-bottom: 30px !important;
        overflow: visible !important;
    }
    .accordion-header {
        background-color: transparent !important;
        padding: 0 0 5px 0 !important;
        border-bottom: 2px solid var(--primary-color) !important;
        color: var(--primary-color) !important;
        cursor: default !important;
        font-size: 1.15rem !important;
        text-transform: uppercase !important;
        font-weight: 700 !important;
        letter-spacing: 0.5px !important;
        display: flex !important;
    }
    .accordion-header .icon {
        display: none !important;
    }
    .accordion-content {
        display: block !important;
        padding: 15px 0 0 0 !important;
    }
    .tax-box1-detail-row {
        display: table-row !important;
        background-color: transparent !important;
    }
    .tax-box1-icon {
        display: none !important;
    }
    .kgb-detail-row {
        display: table-row !important;
        background-color: transparent !important;
    }
    .kgb-icon {
        display: none !important;
    }
}

/* Relations Schema SVG styles */
.schema-svg {
    user-select: none;
    display: block;
    margin: 0 auto;
}

.schema-node {
    /* No hover effects */
}

.schema-node-child {
    cursor: pointer;
}

.child-info-box {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease-in-out;
}

.schema-node-child:hover .child-info-box {
    opacity: 1;
}



.schema-text {
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 600;
    fill: var(--text-color);
}

.schema-text-btn {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 500;
    fill: var(--text-muted);
}