/* =========================================
   XIRR CALCULATOR CSS
   ========================================= */

:root {
    --xirr-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --xirr-gradient-green: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --xirr-gradient-red: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --xirr-gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --xirr-gradient-gold: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    --xirr-bg-dark: #0f172a;
    --xirr-bg-card: #1e293b;
    --xirr-bg-input: #0f172a;
    --xirr-border: #334155;
    --xirr-border-light: #475569;
    --xirr-white: #ffffff;
    --xirr-gray: #cbd5e1;
    --xirr-muted: #94a3b8;
    --xirr-success: #22c55e;
    --xirr-danger: #ef4444;
    --xirr-warning: #f59e0b;
    --xirr-purple: #a855f7;
    --xirr-cyan: #06b6d4;
}

.xirr-calc-wrapper {
    background: linear-gradient(to bottom, var(--xirr-bg-dark), var(--xirr-bg-card));
    padding: 3rem 1.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--xirr-white);
    line-height: 1.6;
    min-height: 100vh;
}

.xirr-calc-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.xirr-calc-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Header */
.xirr-calc-wrapper .calc-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.xirr-calc-wrapper .calc-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--xirr-white);
    margin-bottom: 1rem;
    background: var(--xirr-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.xirr-calc-wrapper .calc-description {
    font-size: 1.1rem;
    color: var(--xirr-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Card */
.xirr-calc-wrapper .calc-card {
    background: var(--xirr-bg-card);
    border: 1px solid var(--xirr-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Info Banner */
.xirr-calc-wrapper .info-banner {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 0.75rem;
    margin-bottom: 2rem;
}

.xirr-calc-wrapper .info-banner-icon {
    font-size: 1.5rem;
    color: #667eea;
}

.xirr-calc-wrapper .info-banner-text {
    font-size: 0.95rem;
    color: var(--xirr-gray);
    line-height: 1.6;
}

/* Section Title */
.xirr-calc-wrapper .section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--xirr-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.xirr-calc-wrapper .section-title i {
    color: var(--xirr-purple);
}

/* Section Header */
.xirr-calc-wrapper .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.xirr-calc-wrapper .btn-add-cashflow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--xirr-gradient-green);
    color: var(--xirr-white);
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .btn-add-cashflow:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

/* Cash Flow Labels */
.xirr-calc-wrapper .cashflow-labels {
    display: grid;
    grid-template-columns: 180px 140px 1fr 50px;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--xirr-bg-input);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--xirr-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Cash Flows Container */
.xirr-calc-wrapper .cashflows-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.xirr-calc-wrapper .cashflows-container::-webkit-scrollbar {
    width: 6px;
}

.xirr-calc-wrapper .cashflows-container::-webkit-scrollbar-track {
    background: var(--xirr-bg-input);
    border-radius: 3px;
}

.xirr-calc-wrapper .cashflows-container::-webkit-scrollbar-thumb {
    background: var(--xirr-border-light);
    border-radius: 3px;
}

/* Cash Flow Row */
.xirr-calc-wrapper .cashflow-row {
    display: grid;
    grid-template-columns: 180px 140px 1fr 50px;
    gap: 1rem;
    padding: 1rem;
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 0.75rem;
    align-items: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.xirr-calc-wrapper .cashflow-row.investment {
    border-left: 4px solid var(--xirr-danger);
}

.xirr-calc-wrapper .cashflow-row.redemption {
    border-left: 4px solid var(--xirr-success);
}

.xirr-calc-wrapper .cashflow-date,
.xirr-calc-wrapper .cashflow-type,
.xirr-calc-wrapper .cashflow-amount {
    padding: 0.75rem 1rem;
    border: 1px solid var(--xirr-border-light);
    border-radius: 0.5rem;
    background: var(--xirr-bg-card);
    color: var(--xirr-white);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .cashflow-date:focus,
.xirr-calc-wrapper .cashflow-type:focus,
.xirr-calc-wrapper .cashflow-amount:focus {
    outline: none;
    border-color: var(--xirr-purple);
}

.xirr-calc-wrapper .cashflow-type {
    cursor: pointer;
}

.xirr-calc-wrapper .btn-remove-cashflow {
    width: 40px;
    height: 40px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.5rem;
    color: var(--xirr-danger);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.xirr-calc-wrapper .btn-remove-cashflow:hover {
    background: var(--xirr-danger);
    color: var(--xirr-white);
}

/* Quick Actions */
.xirr-calc-wrapper .quick-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.xirr-calc-wrapper .btn-quick {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--xirr-bg-input);
    border: 1px dashed var(--xirr-border-light);
    border-radius: 0.5rem;
    color: var(--xirr-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .btn-quick:hover {
    border-color: var(--xirr-purple);
    color: var(--xirr-purple);
}

.xirr-calc-wrapper .btn-add-investment i { color: var(--xirr-danger); }
.xirr-calc-wrapper .btn-add-redemption i { color: var(--xirr-success); }
.xirr-calc-wrapper .btn-add-current i { color: var(--xirr-cyan); }

/* Sample Data */
.xirr-calc-wrapper .sample-data-section {
    text-align: center;
    margin-bottom: 2rem;
}

.xirr-calc-wrapper .btn-load-sample {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--xirr-gradient-gold);
    color: var(--xirr-bg-dark);
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .btn-load-sample:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(247, 151, 30, 0.3);
}

/* Buttons */
.xirr-calc-wrapper .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.25rem 2.5rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .btn-primary {
    background: var(--xirr-gradient);
    color: var(--xirr-white);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.xirr-calc-wrapper .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.xirr-calc-wrapper .btn-secondary {
    background: var(--xirr-border);
    color: var(--xirr-white);
}

.xirr-calc-wrapper .btn-secondary:hover {
    background: var(--xirr-border-light);
}

.xirr-calc-wrapper .controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.xirr-calc-wrapper .controls .btn {
    flex: 1;
    min-width: 180px;
}

/* Error Box */
.xirr-calc-wrapper .error-box {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.5);
    border-radius: 0.75rem;
    color: #f87171;
    margin-bottom: 1.5rem;
}

.xirr-calc-wrapper .error-box.show {
    display: flex;
}

/* Result Section */
.xirr-calc-wrapper .result-section {
    display: none;
    padding-top: 2rem;
    border-top: 2px solid var(--xirr-border);
}

.xirr-calc-wrapper .result-section.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* XIRR Display */
.xirr-calc-wrapper .xirr-display {
    margin-bottom: 2.5rem;
}

.xirr-calc-wrapper .xirr-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 3rem;
    background: var(--xirr-gradient-green);
    border-radius: 1.5rem;
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.3);
}

.xirr-calc-wrapper .xirr-main.negative {
    background: var(--xirr-gradient-red);
    box-shadow: 0 20px 50px rgba(239, 68, 68, 0.3);
}

.xirr-calc-wrapper .xirr-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--xirr-white);
}

.xirr-calc-wrapper .xirr-info {
    text-align: left;
}

.xirr-calc-wrapper .xirr-label {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.xirr-calc-wrapper .xirr-value {
    font-size: 4rem;
    font-weight: 800;
    color: var(--xirr-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.xirr-calc-wrapper .xirr-status {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* Investment Summary */
.xirr-calc-wrapper .investment-summary {
    margin-bottom: 2.5rem;
}

.xirr-calc-wrapper .summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.xirr-calc-wrapper .summary-box {
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .summary-box:hover {
    border-color: var(--xirr-purple);
    transform: translateY(-3px);
}

.xirr-calc-wrapper .summary-box.highlight {
    background: var(--xirr-gradient);
    border: none;
}

.xirr-calc-wrapper .summary-box.highlight.loss {
    background: var(--xirr-gradient-red);
}

.xirr-calc-wrapper .summary-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--xirr-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--xirr-white);
}

.xirr-calc-wrapper .summary-box.highlight .summary-icon {
    background: rgba(255,255,255,0.2);
}

.xirr-calc-wrapper .summary-label {
    font-size: 0.85rem;
    color: var(--xirr-muted);
    margin-bottom: 0.25rem;
}

.xirr-calc-wrapper .summary-box.highlight .summary-label {
    color: rgba(255,255,255,0.9);
}

.xirr-calc-wrapper .summary-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--xirr-white);
}

/* Metrics Section */
.xirr-calc-wrapper .metrics-section {
    margin-bottom: 2.5rem;
}

.xirr-calc-wrapper .metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.xirr-calc-wrapper .metric-box {
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
}

.xirr-calc-wrapper .metric-label {
    display: block;
    font-size: 0.85rem;
    color: var(--xirr-muted);
    margin-bottom: 0.5rem;
}

.xirr-calc-wrapper .metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--xirr-white);
}

/* Comparison Section */
.xirr-calc-wrapper .comparison-section {
    margin-bottom: 2.5rem;
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.xirr-calc-wrapper .comparison-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.xirr-calc-wrapper .comparison-item {
    display: grid;
    grid-template-columns: 150px 1fr 80px;
    gap: 1rem;
    align-items: center;
}

.xirr-calc-wrapper .comparison-label {
    font-size: 0.9rem;
    color: var(--xirr-gray);
}

.xirr-calc-wrapper .comparison-bar {
    height: 24px;
    background: var(--xirr-bg-card);
    border-radius: 12px;
    overflow: hidden;
}

.xirr-calc-wrapper .bar-fill {
    height: 100%;
    border-radius: 12px;
    transition: width 0.6s ease;
}

.xirr-calc-wrapper .bar-fill.your-xirr-bar { background: var(--xirr-gradient-green); }
.xirr-calc-wrapper .bar-fill.fd-bar { background: var(--xirr-gradient-blue); }
.xirr-calc-wrapper .bar-fill.ppf-bar { background: var(--xirr-gradient-gold); }
.xirr-calc-wrapper .bar-fill.nifty-bar { background: var(--xirr-gradient); }

.xirr-calc-wrapper .comparison-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--xirr-white);
    text-align: right;
}

/* Timeline Section */
.xirr-calc-wrapper .timeline-section {
    margin-bottom: 2.5rem;
}

.xirr-calc-wrapper .timeline-container {
    position: relative;
    padding: 2rem 0;
}

.xirr-calc-wrapper .timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--xirr-border);
    transform: translateY(-50%);
}

.xirr-calc-wrapper .timeline-items {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.xirr-calc-wrapper .timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.xirr-calc-wrapper .timeline-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--xirr-gradient);
    margin-bottom: 0.75rem;
}

.xirr-calc-wrapper .timeline-dot.investment { background: var(--xirr-danger); }
.xirr-calc-wrapper .timeline-dot.redemption { background: var(--xirr-success); }

.xirr-calc-wrapper .timeline-date {
    font-size: 0.8rem;
    color: var(--xirr-muted);
    margin-bottom: 0.25rem;
}

.xirr-calc-wrapper .timeline-amount {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--xirr-white);
}

.xirr-calc-wrapper .timeline-amount.negative { color: var(--xirr-danger); }
.xirr-calc-wrapper .timeline-amount.positive { color: var(--xirr-success); }

/* Transactions Table */
.xirr-calc-wrapper .transactions-section {
    margin-bottom: 2rem;
}

.xirr-calc-wrapper .table-wrapper {
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 1rem;
    overflow: hidden;
}

.xirr-calc-wrapper .transactions-table {
    width: 100%;
    border-collapse: collapse;
}

.xirr-calc-wrapper .transactions-table thead {
    background: var(--xirr-gradient);
}

.xirr-calc-wrapper .transactions-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--xirr-white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.xirr-calc-wrapper .transactions-table tbody tr {
    border-bottom: 1px solid var(--xirr-border);
    transition: all 0.3s ease;
}

.xirr-calc-wrapper .transactions-table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

.xirr-calc-wrapper .transactions-table td {
    padding: 1rem;
    color: var(--xirr-gray);
    font-size: 0.95rem;
}

.xirr-calc-wrapper .transactions-table td:nth-child(3).investment {
    color: var(--xirr-danger);
}

.xirr-calc-wrapper .transactions-table td:nth-child(3).redemption {
    color: var(--xirr-success);
}

.xirr-calc-wrapper .transactions-table td:nth-child(4) {
    font-weight: 600;
    color: var(--xirr-white);
}

/* Info Cards */
.xirr-calc-wrapper .info-card {
    background: var(--xirr-bg-card);
    border: 1px solid var(--xirr-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.xirr-calc-wrapper .info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--xirr-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.xirr-calc-wrapper .info-title i {
    color: var(--xirr-purple);
}

.xirr-calc-wrapper .info-card p {
    color: var(--xirr-gray);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.xirr-calc-wrapper .info-list {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.xirr-calc-wrapper .info-list li {
    color: var(--xirr-gray);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.xirr-calc-wrapper .info-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--xirr-success);
    font-weight: 700;
}

/* Formula Box */
.xirr-calc-wrapper .formula-box {
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
}

.xirr-calc-wrapper .formula-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--xirr-white);
    margin-bottom: 0.75rem;
}

.xirr-calc-wrapper .formula-box p {
    font-family: 'Courier New', monospace;
    color: var(--xirr-purple);
    font-size: 0.95rem;
    margin: 0;
}

/* Comparison Table */
.xirr-calc-wrapper .info-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--xirr-bg-input);
    border-radius: 0.75rem;
    overflow: hidden;
}

.xirr-calc-wrapper .info-table thead {
    background: var(--xirr-gradient);
}

.xirr-calc-wrapper .info-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--xirr-white);
    font-size: 0.9rem;
}

.xirr-calc-wrapper .info-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--xirr-border);
    color: var(--xirr-gray);
    font-size: 0.95rem;
}

/* Use Cases */
.xirr-calc-wrapper .use-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.xirr-calc-wrapper .use-case {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 1rem;
}

.xirr-calc-wrapper .use-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--xirr-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--xirr-white);
}

.xirr-calc-wrapper .use-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--xirr-white);
    margin-bottom: 0.5rem;
}

.xirr-calc-wrapper .use-content p {
    font-size: 0.9rem;
    color: var(--xirr-gray);
    margin: 0;
    line-height: 1.6;
}

/* Steps */
.xirr-calc-wrapper .steps-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.xirr-calc-wrapper .step-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--xirr-bg-input);
    border: 1px solid var(--xirr-border);
    border-radius: 0.75rem;
}

.xirr-calc-wrapper .step-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--xirr-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--xirr-white);
}

.xirr-calc-wrapper .step-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--xirr-white);
    margin-bottom: 0.5rem;
}

.xirr-calc-wrapper .step-content p {
    font-size: 0.9rem;
    color: var(--xirr-gray);
    margin: 0;
    line-height: 1.6;
}

/* FAQ */
.xirr-calc-wrapper .faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.xirr-calc-wrapper .faq-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--xirr-border);
}

.xirr-calc-wrapper .faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.xirr-calc-wrapper .faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--xirr-white);
    margin-bottom: 0.75rem;
}

.xirr-calc-wrapper .faq-item p {
    color: var(--xirr-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .xirr-calc-wrapper .summary-grid,
    .xirr-calc-wrapper .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .xirr-calc-wrapper .use-cases,
    .xirr-calc-wrapper .steps-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .xirr-calc-wrapper {
        padding: 2rem 1rem;
    }
    
    .xirr-calc-wrapper .calc-title {
        font-size: 2rem;
    }
    
    .xirr-calc-wrapper .calc-card {
        padding: 1.5rem;
    }
    
    .xirr-calc-wrapper .cashflow-labels {
        display: none;
    }
    
    .xirr-calc-wrapper .cashflow-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .xirr-calc-wrapper .btn-remove-cashflow {
        width: 100%;
        height: 40px;
    }
    
    .xirr-calc-wrapper .quick-actions {
        flex-direction: column;
    }
    
    .xirr-calc-wrapper .controls {
        flex-direction: column;
    }
    
    .xirr-calc-wrapper .controls .btn {
        width: 100%;
    }
    
    .xirr-calc-wrapper .xirr-main {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    
    .xirr-calc-wrapper .xirr-info {
        text-align: center;
    }
    
    .xirr-calc-wrapper .xirr-value {
        font-size: 3rem;
    }
    
    .xirr-calc-wrapper .summary-grid,
    .xirr-calc-wrapper .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .xirr-calc-wrapper .comparison-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .xirr-calc-wrapper .comparison-value {
        text-align: left;
    }
    
    .xirr-calc-wrapper .timeline-container {
        overflow-x: auto;
    }
    
    .xirr-calc-wrapper .timeline-items {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .xirr-calc-wrapper .calc-title {
        font-size: 1.75rem;
    }
    
    .xirr-calc-wrapper .xirr-value {
        font-size: 2.5rem;
    }
    
    .xirr-calc-wrapper .info-banner {
        flex-direction: column;
        text-align: center;
    }
}