.option-greeks-page {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.greeks-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.greeks-card {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    padding: 18px;
}

.greeks-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.greeks-card-header h2 {
    margin: 0;
    font-size: 18px;
}

.greeks-card-header p {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.greeks-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.option-greeks-table {
    min-width: 1450px;
}

.greeks-input,
.greeks-select {
    width: 110px;
    min-height: 34px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--input-bg, var(--card-bg));
    color: var(--text-primary);
    padding: 6px 10px;
    outline: none;
}

.greeks-input:focus,
.greeks-select:focus {
    border-color: var(--accent-color);
}

.greeks-result {
    font-weight: 600;
    white-space: nowrap;
}

.greeks-muted {
    color: var(--text-secondary);
}

.greeks-negative {
    color: #ef4444;
}

.greeks-positive {
    color: #22c55e;
}

@media (max-width: 768px) {
    .greeks-card-header {
        flex-direction: column;
    }

    .greeks-actions {
        width: 100%;
    }

    .greeks-actions .btn {
        flex: 1;
    }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.68);

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 24px;
}

.modal-overlay.hidden {
    display: none;
}

.app-modal {
    width: 100%;
    max-width: 520px;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    padding: 20px;
}

.app-modal-large {
    max-width: 760px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
}

.modal-close {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.modal-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.modal-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
}

.modal-form input,
.modal-form select {
    min-height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--input-bg, var(--card-bg));
    color: var(--text-primary);
    padding: 8px 10px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
}

@media (max-width: 640px) {
    .modal-form-grid {
        grid-template-columns: 1fr;
    }
}

.hidden {
    display: none !important;
}