/* 货币兑换计算器模态框 */
#currencyCalculatorModal {
    z-index: 400;
}

/* 货币兑换计算器 */
.calculator-modal {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    width: 90%;
    max-width: 480px;
    overflow: hidden;
    animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
            0 20px 60px rgba(0, 0, 0, 0.5),
            0 0 40px rgba(50, 205, 50, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 400;
}

.calculator-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(50, 205, 50, 0.1), transparent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.calculator-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calculator-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.calculator-subtitle {
    font-size: 12px;
    color: var(--white-50);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.calculator-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white-50);
    cursor: pointer;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

.calculator-close:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: rgba(255, 59, 48, 0.4);
    color: #ff3b30;
}

.calculator-body {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.calc-label {
    font-size: 11px;
    color: var(--white-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.calc-amount-section {
    background: var(--bg-primary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s ease;
}

.calc-amount-section:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-20);
}

.calc-amount-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.calc-amount-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 32px;
    font-weight: 700;
    outline: none;
    font-variant-numeric: tabular-nums;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

.calc-amount-input::-webkit-inner-spin-button,
.calc-amount-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-amount-input {
    -moz-appearance: textfield;
}

.calc-currency-code {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    background: var(--accent-20);
    padding: 6px 12px;
    border-radius: 8px;
}

.calc-currency-selectors {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.calc-currency-group {
    flex: 1;
}

.calc-select-wrapper {
    position: relative;
}

.calc-currency-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff80' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: all 0.2s ease;
}

.calc-currency-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-20);
}

.calc-currency-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px;
}

.calc-swap-btn {
    width: 44px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border: none;
    border-radius: 12px;
    color: #111;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    align-self: flex-end;
    margin-bottom: 1px;
}

.calc-swap-btn:hover {
    background: #3de03d;
    transform: scale(1.05);
    box-shadow: 0 4px 16px var(--accent-40);
}

.calc-swap-btn:active {
    transform: scale(0.95);
}


.calc-rate-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.calc-rate-label {
    font-size: 11px;
    color: var(--white-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.calc-rate-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-color);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    margin-bottom: 6px;
}

.calc-rate-time {
    font-size: 11px;
    color: var(--white-50);
}

.calc-result-section {
    background: linear-gradient(135deg, var(--accent-20), var(--accent-10));
    border: 2px solid var(--accent-30);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
}

.calc-result-label {
    font-size: 11px;
    color: var(--white-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.calc-result-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
}

.calc-result-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-variant-numeric: tabular-nums;
}

.calc-result-currency {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.calc-quick-section {
    padding-top: 8px;
}

.calc-quick-label {
    font-size: 11px;
    color: var(--white-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.calc-quick-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.calc-quick-btn {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white-50);
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-quick-btn:hover {
    background: var(--accent-20);
    border-color: var(--accent-30);
    color: var(--accent-color);
}

.calc-quick-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #111;
}

/* 响应式 */
@media (max-width: 480px) {
    .calculator-modal {
        max-width: 100%;
        margin: 10px;
        border-radius: 20px;
    }

    .calculator-header {
        padding: 20px;
    }

    .calculator-body {
        padding: 20px;
    }

    .calc-currency-selectors {
        flex-direction: column;
        gap: 16px;
    }

    .calc-swap-btn {
        margin-bottom: 0;
        align-self: center;
        transform: rotate(90deg);
    }

    .calc-swap-btn:hover {
        transform: rotate(90deg) scale(1.05);
    }

    .calc-amount-input {
        font-size: 28px;
    }

    .calc-result-value {
        font-size: 32px;
    }
}