/* =========================================
   CRYPTO PROFIT CALCULATOR CSS
   ========================================= */

:root {
    --crypto-gradient: linear-gradient(135deg, #f7931a 0%, #ffab40 100%);
    --crypto-gradient-green: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --crypto-gradient-red: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --crypto-gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --crypto-gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --crypto-gradient-eth: linear-gradient(135deg, #627eea 0%, #8c9eff 100%);
    --crypto-bg-dark: #0f172a;
    --crypto-bg-card: #1e293b;
    --crypto-bg-input: #0f172a;
    --crypto-border: #334155;
    --crypto-border-light: #475569;
    --crypto-white: #ffffff;
    --crypto-gray: #cbd5e1;
    --crypto-muted: #94a3b8;
    --crypto-success: #22c55e;
    --crypto-danger: #ef4444;
    --crypto-warning: #f59e0b;
    --crypto-bitcoin: #f7931a;
    --crypto-ethereum: #627eea;
}

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

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

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

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

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

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

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

/* Tabs */
.crypto-calc-wrapper .calc-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    background: var(--crypto-bg-input);
    padding: 0.5rem;
    border-radius: 1rem;
}

.crypto-calc-wrapper .tab-btn {
    flex: 1;
    min-width: 140px;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: 0.75rem;
    color: var(--crypto-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.crypto-calc-wrapper .tab-btn:hover {
    color: var(--crypto-white);
    background: rgba(255,255,255,0.05);
}

.crypto-calc-wrapper .tab-btn.active {
    background: var(--crypto-gradient);
    color: var(--crypto-white);
    box-shadow: 0 5px 20px rgba(247, 147, 26, 0.3);
}

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

.crypto-calc-wrapper .tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

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

.crypto-calc-wrapper .section-title i {
    color: var(--crypto-bitcoin);
}

/* Form */
.crypto-calc-wrapper .form-section {
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.crypto-calc-wrapper .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.crypto-calc-wrapper .form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--crypto-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.crypto-calc-wrapper .form-label i {
    color: var(--crypto-bitcoin);
    font-size: 0.9rem;
}

.crypto-calc-wrapper .form-select,
.crypto-calc-wrapper .form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--crypto-border-light);
    border-radius: 0.75rem;
    background: var(--crypto-bg-input);
    color: var(--crypto-white);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.crypto-calc-wrapper .form-select:focus,
.crypto-calc-wrapper .form-input:focus {
    outline: none;
    border-color: var(--crypto-bitcoin);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.15);
}

.crypto-calc-wrapper .form-select {
    cursor: pointer;
}

.crypto-calc-wrapper .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.crypto-calc-wrapper .input-prefix,
.crypto-calc-wrapper .input-suffix {
    position: absolute;
    font-weight: 600;
    color: var(--crypto-muted);
    pointer-events: none;
}

.crypto-calc-wrapper .input-prefix {
    left: 1.25rem;
}

.crypto-calc-wrapper .input-suffix {
    right: 1.25rem;
}

.crypto-calc-wrapper .input-wrapper .form-input {
    padding-left: 2.5rem;
}

/* Advanced Options */
.crypto-calc-wrapper .advanced-toggle {
    margin-bottom: 1.5rem;
}

.crypto-calc-wrapper .btn-toggle-advanced {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 1px dashed var(--crypto-border-light);
    border-radius: 0.5rem;
    color: var(--crypto-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.crypto-calc-wrapper .btn-toggle-advanced:hover {
    border-color: var(--crypto-bitcoin);
    color: var(--crypto-bitcoin);
}

.crypto-calc-wrapper .advanced-options {
    padding: 1.5rem;
    background: rgba(247, 147, 26, 0.05);
    border: 1px solid var(--crypto-border);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

/* Buttons */
.crypto-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;
}

.crypto-calc-wrapper .btn-primary {
    background: var(--crypto-gradient);
    color: var(--crypto-white);
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.3);
}

.crypto-calc-wrapper .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(247, 147, 26, 0.5);
}

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

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

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

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

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

.crypto-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); }
}

/* Profit Display */
.crypto-calc-wrapper .profit-display {
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .profit-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2.5rem;
    background: var(--crypto-gradient-green);
    border-radius: 1.5rem;
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.3);
}

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

.crypto-calc-wrapper .crypto-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(--crypto-white);
}

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

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

.crypto-calc-wrapper .profit-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--crypto-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.crypto-calc-wrapper .profit-roi {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
}

.crypto-calc-wrapper .roi-value {
    color: var(--crypto-white);
}

/* Result Grid */
.crypto-calc-wrapper .result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

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

.crypto-calc-wrapper .result-box:hover {
    border-color: var(--crypto-bitcoin);
    transform: translateY(-3px);
}

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

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

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

/* Breakdown Section */
.crypto-calc-wrapper .breakdown-section {
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .breakdown-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--crypto-white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.crypto-calc-wrapper .breakdown-section h4 i {
    color: var(--crypto-bitcoin);
}

.crypto-calc-wrapper .breakdown-table {
    width: 100%;
    border-collapse: collapse;
}

.crypto-calc-wrapper .breakdown-table tr {
    border-bottom: 1px solid var(--crypto-border);
}

.crypto-calc-wrapper .breakdown-table tr:last-child {
    border-bottom: none;
}

.crypto-calc-wrapper .breakdown-table td {
    padding: 0.875rem 0.5rem;
    font-size: 0.95rem;
}

.crypto-calc-wrapper .breakdown-table td:first-child {
    color: var(--crypto-muted);
}

.crypto-calc-wrapper .breakdown-table td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--crypto-white);
}

.crypto-calc-wrapper .breakdown-table tr.highlight td {
    color: var(--crypto-success);
    font-weight: 700;
}

.crypto-calc-wrapper .breakdown-table tr.highlight.loss td {
    color: var(--crypto-danger);
}

/* Price Targets */
.crypto-calc-wrapper .price-targets {
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.crypto-calc-wrapper .price-targets h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--crypto-white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.crypto-calc-wrapper .price-targets h4 i {
    color: var(--crypto-bitcoin);
}

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

.crypto-calc-wrapper .target-box {
    background: var(--crypto-bg-card);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
}

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

.crypto-calc-wrapper .target-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--crypto-success);
}

/* Portfolio Tab */
.crypto-calc-wrapper .portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

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

/* Holding Row */
.crypto-calc-wrapper .holdings-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.crypto-calc-wrapper .holding-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 0.75rem;
    animation: slideIn 0.3s ease;
}

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

.crypto-calc-wrapper .holding-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--crypto-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--crypto-white);
}

.crypto-calc-wrapper .holding-inputs {
    flex: 1;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 1rem;
}

.crypto-calc-wrapper .holding-inputs select,
.crypto-calc-wrapper .holding-inputs input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--crypto-border-light);
    border-radius: 0.5rem;
    background: var(--crypto-bg-card);
    color: var(--crypto-white);
    font-size: 0.95rem;
}

.crypto-calc-wrapper .btn-remove-holding {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.5rem;
    color: var(--crypto-danger);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Portfolio Summary */
.crypto-calc-wrapper .portfolio-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .summary-card {
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.crypto-calc-wrapper .summary-card.total-value {
    background: var(--crypto-gradient);
    border: none;
}

.crypto-calc-wrapper .summary-card.total-profit {
    background: var(--crypto-gradient-green);
    border: none;
}

.crypto-calc-wrapper .summary-card.total-profit.loss {
    background: var(--crypto-gradient-red);
}

.crypto-calc-wrapper .summary-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--crypto-white);
}

.crypto-calc-wrapper .summary-card:not(.total-value):not(.total-profit) .summary-icon {
    background: var(--crypto-gradient);
}

.crypto-calc-wrapper .summary-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.25rem;
}

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

/* DCA Tab */
.crypto-calc-wrapper .dca-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .dca-card {
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
}

.crypto-calc-wrapper .dca-card.highlight {
    background: var(--crypto-gradient);
    border: none;
}

.crypto-calc-wrapper .dca-label {
    font-size: 0.85rem;
    color: var(--crypto-muted);
    margin-bottom: 0.5rem;
}

.crypto-calc-wrapper .dca-card.highlight .dca-label {
    color: rgba(255,255,255,0.9);
}

.crypto-calc-wrapper .dca-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--crypto-white);
}

.crypto-calc-wrapper .dca-profit-display {
    text-align: center;
    margin-bottom: 2rem;
}

.crypto-calc-wrapper .dca-profit-box {
    display: inline-block;
    padding: 2rem 4rem;
    background: var(--crypto-gradient-green);
    border-radius: 1.5rem;
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.3);
}

.crypto-calc-wrapper .dca-profit-box.loss {
    background: var(--crypto-gradient-red);
    box-shadow: 0 20px 50px rgba(239, 68, 68, 0.3);
}

.crypto-calc-wrapper .dca-profit-label {
    display: block;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 0.5rem;
}

.crypto-calc-wrapper .dca-profit-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--crypto-white);
    margin-bottom: 0.5rem;
}

.crypto-calc-wrapper .dca-profit-roi {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
}

/* DCA Schedule */
.crypto-calc-wrapper .dca-schedule {
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.crypto-calc-wrapper .dca-schedule h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--crypto-white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.crypto-calc-wrapper .dca-schedule h4 i {
    color: var(--crypto-bitcoin);
}

.crypto-calc-wrapper .schedule-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.crypto-calc-wrapper .schedule-item {
    background: var(--crypto-bg-card);
    border-radius: 0.75rem;
    padding: 1rem;
    text-align: center;
}

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

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

/* Converter Tab */
.crypto-calc-wrapper .converter-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.crypto-calc-wrapper .converter-box {
    flex: 1;
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.crypto-calc-wrapper .converter-box .form-label {
    margin-bottom: 0.75rem;
}

.crypto-calc-wrapper .converter-box .form-input {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
}

.crypto-calc-wrapper .converter-swap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.crypto-calc-wrapper .btn-swap {
    width: 56px;
    height: 56px;
    background: var(--crypto-gradient);
    border: none;
    border-radius: 50%;
    color: var(--crypto-white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.crypto-calc-wrapper .btn-swap:hover {
    transform: rotate(180deg);
}

.crypto-calc-wrapper .conversion-info {
    text-align: center;
    padding: 1.5rem;
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 1rem;
}

.crypto-calc-wrapper .rate-label {
    color: var(--crypto-muted);
    margin-right: 0.5rem;
}

.crypto-calc-wrapper .rate-value {
    font-weight: 700;
    color: var(--crypto-white);
}

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

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

.crypto-calc-wrapper .info-title i {
    color: var(--crypto-bitcoin);
}

/* Crypto Basics */
.crypto-calc-wrapper .crypto-basics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

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

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

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

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

.crypto-calc-wrapper .fees-table thead {
    background: var(--crypto-gradient);
}

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

.crypto-calc-wrapper .fees-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--crypto-border);
    color: var(--crypto-gray);
    font-size: 0.95rem;
}

.crypto-calc-wrapper .fees-table tbody tr:hover {
    background: rgba(247, 147, 26, 0.05);
}

.crypto-calc-wrapper .table-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--crypto-muted);
    font-style: italic;
    text-align: center;
}

/* Risk Tips */
.crypto-calc-wrapper .risk-tips {
    display: grid;
    gap: 1.25rem;
}

.crypto-calc-wrapper .risk-tip {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--crypto-bg-input);
    border: 1px solid var(--crypto-border);
    border-radius: 0.75rem;
}

.crypto-calc-wrapper .tip-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--crypto-white);
}

.crypto-calc-wrapper .tip-icon.warning { background: var(--crypto-gradient-red); }
.crypto-calc-wrapper .tip-icon.info { background: var(--crypto-gradient-blue); }
.crypto-calc-wrapper .tip-icon.success { background: var(--crypto-gradient-green); }
.crypto-calc-wrapper .tip-icon.primary { background: var(--crypto-gradient-purple); }

.crypto-calc-wrapper .tip-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--crypto-white);
    margin-bottom: 0.5rem;
}

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

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

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

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

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

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

/* Responsive */
@media (max-width: 1024px) {
    .crypto-calc-wrapper .result-grid,
    .crypto-calc-wrapper .portfolio-summary,
    .crypto-calc-wrapper .dca-summary {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .crypto-calc-wrapper .targets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .crypto-calc-wrapper .crypto-basics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .crypto-calc-wrapper {
        padding: 2rem 1rem;
    }
    
    .crypto-calc-wrapper .calc-title {
        font-size: 2rem;
    }
    
    .crypto-calc-wrapper .calc-card {
        padding: 1.5rem;
    }
    
    .crypto-calc-wrapper .calc-tabs {
        flex-direction: column;
    }
    
    .crypto-calc-wrapper .tab-btn {
        min-width: 100%;
    }
    
    .crypto-calc-wrapper .form-grid {
        grid-template-columns: 1fr;
    }
    
    .crypto-calc-wrapper .controls {
        flex-direction: column;
    }
    
    .crypto-calc-wrapper .controls .btn {
        width: 100%;
    }
    
    .crypto-calc-wrapper .profit-main {
        flex-direction: column;
        text-align: center;
    }
    
    .crypto-calc-wrapper .profit-info {
        text-align: center;
    }
    
    .crypto-calc-wrapper .result-grid,
    .crypto-calc-wrapper .portfolio-summary,
    .crypto-calc-wrapper .dca-summary {
        grid-template-columns: 1fr;
    }
    
    .crypto-calc-wrapper .targets-grid,
    .crypto-calc-wrapper .schedule-info {
        grid-template-columns: 1fr;
    }
    
    .crypto-calc-wrapper .converter-container {
        flex-direction: column;
    }
    
    .crypto-calc-wrapper .converter-box {
        width: 100%;
    }
    
    .crypto-calc-wrapper .holding-inputs {
        grid-template-columns: 1fr;
    }
    
    .crypto-calc-wrapper .profit-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .crypto-calc-wrapper .calc-title {
        font-size: 1.75rem;
    }
    
    .crypto-calc-wrapper .profit-value {
        font-size: 2rem;
    }
    
    .crypto-calc-wrapper .dca-profit-value {
        font-size: 2rem;
    }
}